{"id":6474,"date":"2016-07-18T23:16:00","date_gmt":"2016-07-18T21:16:00","guid":{"rendered":"https:\/\/www.fipwarriors.eu\/?p=6474"},"modified":"2023-03-29T09:50:29","modified_gmt":"2023-03-29T07:50:29","slug":"proteiny-akutnej-fazy-fip-a-ine-choroby","status":"publish","type":"post","link":"https:\/\/www.fipwarriors.eu\/en\/proteiny-akutnej-fazy-fip-a-ine-choroby\/","title":{"rendered":"Usefulness of acute phase proteins in differentiating between feline infectious peritonitis and other diseases in cats with body cavity effusions"},"content":{"rendered":"<p class=\"has-small-font-size wp-block-paragraph\">Katarina Hazuchova, Susanne Held, Reto Neiger<br>P&ocirc;vodn&yacute; &#269;l&aacute;nok: <a href=\"https:\/\/journals.sagepub.com\/doi\/full\/10.1177\/1098612X16658925\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Usefulness of acute phase proteins in differentiating between feline infectious peritonitis and other diseases in cats with body cavity effusions<\/a>: 18.7.2016; Preklad 28.3.2021<\/p>\n\n\n\n<h2 class=\"lm-underscore wp-block-heading\">Abstrakt<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Ciele<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Cie&#318;om tejto &scaron;t&uacute;die bolo vyhodnotenie merani prote&iacute;nov ak&uacute;tnej f&aacute;zy (APP) ako diagnostick&eacute;ho n&aacute;stroja na rozl&iacute;&scaron;enie medzi infek&#269;nou peritonit&iacute;dou ma&#269;iek (<a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemBody&gt;Infek&#269;n&aacute; peritonit&iacute;da ma&#269;iek (angl. Feline infectious peritonitis, zau&#382;&iacute;van&aacute; skratka FIP) je infek&#269;n&eacute; ochorenie ma&#269;iek sp&ocirc;sobuj&uacute;ce smr&#357;. N&aacute;zov je mierne zav&aacute;dzaj&uacute;ci, preto&#382;e nejde o z&aacute;pal pobru&scaron;nice (&#269;i&#382;e peritonea), ale o z&aacute;pal ciev (vaskulit&iacute;da). Klinick&eacute; pr&iacute;znaky FIP sa v&scaron;ak &#269;asto prejavuj&uacute; vo forme z&aacute;palu pobru&scaron;nice. V&iacute;rus FIP nap&aacute;da v&scaron;ak aj pohrudnicu &ndash; z toho d&ocirc;vodu je niekedy choroba ozna&#269;ovan&aacute; tie&#382; ako Infek&#269;n&aacute; ma&#269;acia polyserozit&iacute;da (Feline infectious polyserositis).&lt;\/div&gt;\" href=\"https:\/\/www.fipwarriors.eu\/en\/glossary\/fip\/\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">FIP<\/a>) a in&yacute;mi ochoreniami u ma&#269;iek s v&yacute;potkami v telesnej dutine.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Met&oacute;dy<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Prospekt&iacute;vne boli zaraden&eacute; ma&#269;ky s pleur&aacute;lnym, bru&scaron;n&yacute;m alebo perikardi&aacute;lnym v&yacute;potkom. Ma&#269;ky boli klasifikovan&eacute; ako FIP pozit&iacute;vne alebo negat&iacute;vne na z&aacute;klade imunohistoch&eacute;mie (ak bola k dispoz&iacute;cii) alebo sofistikovanej &scaron;tatistickej met&oacute;dy vyu&#382;&iacute;vaj&uacute;cej metodiku strojov&eacute;ho u&#269;enia s vyu&#382;it&iacute;m konceptov z te&oacute;rie hier. Ma&#269;ky bez FIP sa &#271;alej rozdelili do troch podskup&iacute;n: srdcov&eacute; choroby, neopl&aacute;zie a &#271;al&scaron;ie choroby. <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemBody&gt;&amp;lt;!-- wp:paragraph --&amp;gt;SAA (s&eacute;rov&yacute; &#8203;&#8203;amyloid A) je tukov&yacute; protein syntetizovan&yacute; v&yacute;hradn&#283; v j&aacute;trech. Transportuje cholesterol do jater. Je sou&#269;&aacute;st&iacute; protein&#367; a pr&#367;b&#283;hu akutn&iacute; f&aacute;ze z&aacute;n&#283;tu (APPs). Indukuje enzymy, kter&eacute; rozkl&aacute;daj&iacute; extracelul&aacute;rn&iacute; matrix. SAA je je produkov&aacute;no p&#345;i z&aacute;n&#283;tliv&yacute;ch procesech v t&#283;le jako n&aacute;sledek fyzick&eacute;ho po&scaron;kozen&iacute; (traumata), p&#345;i n&aacute;dorov&yacute;ch onemocn&#283;n&iacute;ch nebo infekc&iacute;ch.&amp;lt;br&amp;gt;Vzhedem k tomu, &#382;e u ko&#269;ek nelze vyu&#382;&iacute;t stanoven&iacute; C-reaktivn&iacute;ho proteinu, proto&#382;e jeho hodnota p&#345;i z&aacute;n&#283;tu nestoup&aacute;, tak vy&scaron;et&#345;ovan&yacute; parametr SAA u ko&#269;ek je jedin&yacute; a nejcitliv&#283;j&scaron;&iacute; dostupn&yacute; marker akutn&iacute;ch z&aacute;n&#283;t&#367; na trhu.&amp;lt;br\/&amp;gt;&amp;lt;!-- \/wp:paragraph --&amp;gt;&lt;\/div&gt;\" href=\"https:\/\/www.fipwarriors.eu\/en\/glossary\/serovy-amyloid-a\/\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">S&eacute;rov&yacute; amyloid A<\/a> (SAA), haptoglob&iacute;n (Hp) a a1-kysl&yacute; glykoprote&iacute;n (AGP) sa merali v s&eacute;re a v&yacute;potku s pou&#382;it&iacute;m u ma&#269;iek predt&yacute;m overen&yacute;ch testov.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">V&yacute;sledky<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Na meranie APP boli k dispoz&iacute;cii vzorky <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemBody&gt;&amp;lt;!-- wp:paragraph --&amp;gt;Krvn&eacute; s&eacute;rum je &#382;ltkast&aacute;, tekut&aacute; a nebunkov&aacute; zlo&#382;ka krvi, ktor&aacute; vznik&aacute; po vyzr&aacute;&#382;an&iacute; krvi a n&aacute;slednom odstr&aacute;nen&iacute; krvn&eacute;ho kol&aacute;&#269;a mechanicky a pomocou centrif&uacute;gy. Zlo&#382;en&iacute;m zodpoved&aacute; krvnej plazme, av&scaron;ak na rozdiel od plazmy neobsahuje fibrinog&eacute;n a &#271;al&scaron;ie zr&aacute;&#382;acie faktory krvi.&amp;lt;br\/&amp;gt;&amp;lt;!-- \/wp:paragraph --&amp;gt;&amp;lt;!-- wp:paragraph --&amp;gt;Krv, ktor&aacute; sa odober&aacute; na pr&iacute;pravu s&eacute;ra, sa odober&aacute; do oby&#269;ajn&yacute;ch sk&uacute;maviek alebo strieka&#269;iek bez pridania ak&yacute;chko&#318;vek antikoagulantov (napr. hepar&iacute;n, EDTA). V klinickej a laborat&oacute;rnej praxi sa &#269;asto pou&#382;&iacute;va ozna&#269;enie s&eacute;rum.&amp;lt;br\/&amp;gt;&amp;lt;!-- \/wp:paragraph --&amp;gt;&lt;\/div&gt;\" href=\"https:\/\/www.fipwarriors.eu\/en\/glossary\/krvne-serum\/\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">s&eacute;ra<\/a> a v&yacute;potku od 88, resp. 67 ma&#269;iek. Koncentr&aacute;cie APP v s&eacute;re a v&yacute;potku boli v&yacute;znamne odli&scaron;n&eacute; u ma&#269;iek s FIP a bez FIP (P &lt;0,001 pre v&scaron;etky tri APP). Najlep&scaron;&iacute;m APP na rozl&iacute;&scaron;enie medzi ma&#269;kami s a bez FIP bol AGP v ef&uacute;zii; medzn&aacute; hodnota 1550 &micro;g\/ml mala pre diagnostiku FIP senzitivitu a &scaron;pecificitu 93%.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Z&aacute;very a v&yacute;znam<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Zistilo sa, &#382;e AGP, najm&auml; ak sa meria v ef&uacute;zii, je u&#382;ito&#269;n&yacute; pre rozl&iacute;&scaron;enie medzi FIP a in&yacute;mi ochoreniami, zatia&#318; &#269;o SAA a Hp nie. Koncentr&aacute;cia v&scaron;etk&yacute;ch troch APP pri niektor&yacute;ch ochoreniach (napr. septick&yacute;ch procesoch, diseminovanej neopl&aacute;zii) bola tak&aacute; vysok&aacute; ako u ma&#269;iek s FIP; tak&#382;e &#382;iadny z nich nemo&#382;no odporu&#269;i&#357; ako jedinn&yacute; diagnostick&yacute; test na FIP.<\/p>\n\n\n\n<h2 class=\"lm-underscore wp-block-heading\">&Uacute;vod<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Infek&#269;n&aacute; peritonit&iacute;da ma&#269;iek (FIP) je smrte&#318;n&eacute; infek&#269;n&eacute; ochorenie, ktor&eacute; sa m&ocirc;&#382;e vyskytn&uacute;&#357; v dvoch klinicky odli&scaron;n&yacute;ch form&aacute;ch, a to be&#382;nej&scaron;ej v&yacute;potkovej (vlhkej) forme a granulomat&oacute;znej (suchej) forme.<sup>1-3<\/sup> U ma&#269;iek s efuz&iacute;vnou FIP sa be&#382;ne vyskytuj&uacute; bru&scaron;n&aacute; distenzia a du&scaron;nos&#357;. Ascites alebo pleur&aacute;lny v&yacute;potok sp&ocirc;soben&yacute; FIP je d&ocirc;le&#382;it&eacute; odli&scaron;ova&#357; od in&yacute;ch potenci&aacute;lnych pr&iacute;&#269;in, ako s&uacute; srdcov&eacute; choroby, neopl&aacute;zie alebo septick&yacute; v&yacute;potok.<sup>4,5<\/sup> Aj ke&#271; bolo pre diagnostiku FIP vyvinut&yacute;ch nieko&#318;ko diagnostick&yacute;ch testov, diferenci&aacute;cia medzi FIP a chorobami s podobn&yacute;mi klinick&yacute;mi prejavmi zost&aacute;va v&yacute;zvou aj na&#271;alej. Aj ke&#271; ned&aacute;vny pokrok vo v&yacute;voji antiv&iacute;rusov&yacute;ch liekov m&ocirc;&#382;e v bud&uacute;cnosti zmeni&#357; v&yacute;sledok ochorenia, <sup>6<\/sup> v s&uacute;&#269;asnosti neexistuje &scaron;iroko dostupn&aacute; &uacute;&#269;inn&aacute; lie&#269;ba FIP <em>(pozn. prekladate&#318;a &ndash; ako vieme, lie&#269;ba u&#382; existuje &ndash; &#269;l&aacute;nok je z roku 2016)<\/em>. Je nevyhnutn&eacute; stanovi&#357; spr&aacute;vnu diagn&oacute;zu, preto&#382;e z nej vypl&yacute;vaj&uacute;ce d&ocirc;sledky s&uacute; v s&uacute;&#269;asnosti fat&aacute;lne. Vo v&auml;&#269;&scaron;ine pr&iacute;padov je nevyhnutn&aacute; kombin&aacute;cia nieko&#318;k&yacute;ch diagnostick&yacute;ch testov.<sup>3<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Preto&#382;e FIP je z&aacute;palov&yacute; stav, mo&#382;no o&#269;ak&aacute;va&#357; zv&yacute;&scaron;enie koncentr&aacute;ci&iacute; prote&iacute;nov ak&uacute;tnej f&aacute;zy (APP). APP s&uacute; produkovan&eacute; <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemBody&gt;&amp;lt;!-- wp:paragraph --&amp;gt;&amp;lt;strong&amp;gt;Hepatocyt&amp;lt;\/strong&amp;gt;, neboli jatern&iacute; bu&#328;ka, je bu&#328;ka tvo&#345;&iacute;c&iacute; z&aacute;klad jatern&iacute; tk&aacute;n&#283;, kter&aacute; je zodpov&#283;dn&aacute; za v&#283;t&scaron;inu metabolick&yacute;ch pochod&#367;, kter&aacute; prob&iacute;haj&iacute; v j&aacute;trech.&amp;lt;br\/&amp;gt;&amp;lt;!-- \/wp:paragraph --&amp;gt;&lt;\/div&gt;\" href=\"https:\/\/www.fipwarriors.eu\/en\/glossary\/hepatocyt\/\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">hepatocytmi<\/a> ako s&uacute;&#269;as&#357; reakcie ak&uacute;tnej f&aacute;zy, ktor&aacute; je skorou a ne&scaron;pecifickou, ale ve&#318;mi zlo&#382;itou reakciou organizmu na r&ocirc;zne poranenia (infekcia, trauma, nekr&oacute;za, mal&iacute;gny rast at&#271;.). <sup>7-9<\/sup> V z&aacute;vislosti na rozsahu ich reakcie na sp&uacute;&scaron;&#357;a&#269;e mo&#382;no APP klasifikova&#357; ako hlavn&eacute; (10- a&#382; 100-n&aacute;sobn&eacute; zv&yacute;&scaron;enie), priemern&eacute; (dvoj- a&#382; desa&#357;n&aacute;sobn&eacute; zv&yacute;&scaron;enie) a minoritn&eacute;(&lt;dvojn&aacute;sobn&eacute; zv&yacute;&scaron;enie). U ma&#269;ky s&uacute; hlavn&yacute;mi APP s&eacute;rov&yacute; amyloid A (SAA) a <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemBody&gt;Alfa-1-kysl&yacute; glykoprote&iacute;n patr&iacute; k reaktantom ak&uacute;tnej f&aacute;zy.  Alfa-1-kysl&yacute; glykoprote&iacute;n pomal&scaron;&iacute; n&aacute;stup a zost&aacute;va zv&yacute;&scaron;en&yacute; dlh&scaron;ie. Po &uacute;&#269;innej lie&#269;be alebo po odstr&aacute;nen&iacute; z&aacute;palov&eacute;ho podnetu kles&aacute; pod&#318;a svojho pol&#269;asu rozpadu 5 - 6 dn&iacute;.&lt;\/div&gt;\" href=\"https:\/\/www.fipwarriors.eu\/en\/glossary\/orozomukoid\/\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">&alpha;1-kysl&yacute; glykoprote&iacute;n<\/a> (AGP); haptoglob&iacute;n (Hp) je priemern&yacute; APP.<sup>10<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nieko&#318;ko &scaron;t&uacute;di&iacute; sk&uacute;malo diagnostick&yacute; potenci&aacute;l APP pri diagnostike FIP, ako aj mo&#382;n&uacute; &uacute;lohu APP v patogen&eacute;ze FIP.<sup> 11&ndash;17<\/sup> Tieto v&yacute;skumy mali ur&#269;it&eacute; nev&yacute;hody, ktor&eacute; obmedzovali implement&aacute;ciu v&yacute;sledkov v praxi. Za prv&eacute;, porovn&aacute;vali sa APP u ma&#269;iek s FIP s APP u zdrav&yacute;ch ma&#269;iek alebo ma&#269;iek vystaven&yacute;ch ma&#269;aciemu koronav&iacute;rusu (FCoV) (na z&aacute;klade pozit&iacute;vneho titra FCoV) namiesto porovnania s ma&#269;kami, ktor&eacute; potenci&aacute;lne trpia FIP, na z&aacute;klade podobn&yacute;ch klinick&yacute;ch prejavov.<sup>11,13<\/sup> Po druh&eacute;, nebolo jasn&eacute;, &#269;i sa na meranie APP pou&#382;&iacute;val v&yacute;potok alebo s&eacute;rum.<sup>12<\/sup> Navy&scaron;e bola ve&#318;kos&#357; vzorky pr&iacute;li&scaron; mal&aacute; na to, aby sa dali vyvodi&#357; zmyslupln&eacute; z&aacute;very, ke&#271;&#382;e do jednej &scaron;t&uacute;die boli zahrnut&eacute; iba &scaron;tyri ma&#269;ky bez FIP a osem ma&#269;iek s FIP.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cie&#318;om tejto &scaron;t&uacute;die bolo vyhodnoti&#357; schopnos&#357; APP (meran&yacute;ch v s&eacute;re a v&yacute;potku) rozl&iacute;&scaron;i&#357; FIP od in&yacute;ch chor&ocirc;b.<\/p>\n\n\n\n<h2 class=\"lm-underscore wp-block-heading\">Materi&aacute;ly a met&oacute;dy<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Do &scaron;t&uacute;die boli prospekt&iacute;vne zaraden&eacute; ma&#269;ky s pleur&aacute;lnym, abdomin&aacute;lnym alebo perikardi&aacute;lnym v&yacute;potkom alebo ich kombin&aacute;ciou, ktor&eacute; boli na klinike mal&yacute;ch zvierat na Justus-Liebigovej univerzite v Giessene v Nemecku a Tierklinik Hofheim v Nemecku vy&scaron;etrovan&eacute; po&#269;as obdobia dvoch rokov. Abdomino-, torako- alebo perikardiocent&eacute;za sa uskuto&#269;&#328;ovali ako rutinn&eacute; diagnostick&eacute; postupy pre vy&scaron;etrenie povahy chorobn&eacute;ho procesu u ka&#382;dej ma&#269;ky. Ma&#269;ky, od ktor&yacute;ch bolo mo&#382;n&eacute; z&iacute;ska&#357; menej ako 5 ml v&yacute;potku, boli z tejto &scaron;t&uacute;die vyl&uacute;&#269;en&eacute;.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">U v&scaron;etk&yacute;ch ma&#269;iek bola uroben&aacute; rutinn&aacute; hematol&oacute;gia a bioch&eacute;mia s&eacute;ra, testy na detekciu protil&aacute;tok proti v&iacute;rusu ma&#269;acej imunodeficiencie (<a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemBody&gt;V&iacute;rusov&aacute; imunodeficiencia ma&#269;iek (aj Syndr&oacute;m z&iacute;skanej straty imunity, hovorovo Ma&#269;ac&iacute; AIDS, zau&#382;&iacute;van&aacute; skratka FIV, po anglicky Feline Acquired Immune Deficiency Syndrome &ndash; FAIDS) je infek&#269;n&aacute; choroba postihuj&uacute;ca ma&#269;ky.&lt;\/div&gt;\" href=\"https:\/\/www.fipwarriors.eu\/en\/glossary\/fiv\/\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">FIV<\/a>) a antig&eacute;nu v&iacute;rusu ma&#269;acej leuk&eacute;mie (<a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemBody&gt;Komplex v&iacute;rusovej leuk&eacute;mie ma&#269;iek (Leuk&eacute;mia ma&#269;iek, zau&#382;&iacute;van&aacute; skratka FeLV) je choroba vyvolan&aacute; v&iacute;rusom zo skupiny retrov&iacute;rov a sp&ocirc;sobuje u ma&#269;iek poruchu obranyschopnosti a n&aacute;dorov&eacute; bujnenie. Ide o n&aacute;kazliv&eacute; ochorenie zvy&#269;ajne kon&#269;iace smr&#357;ou.&lt;\/div&gt;\" href=\"https:\/\/www.fipwarriors.eu\/en\/glossary\/felv\/\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">FeLV<\/a>) (SNAP FIV\/FeLV Combo Test; IDEXX Laboratories), ako aj &scaron;tandardn&aacute; laborat&oacute;rna anal&yacute;za (celkov&yacute; obsah bielkov&iacute;n, album&iacute;nu a celkov&yacute; po&#269;et jadrov&yacute;ch buniek) a cytologick&eacute; vy&scaron;etrenie v&yacute;potku. Zvy&scaron;kov&eacute; vzorky s&eacute;ra a v&yacute;potku sa skladovali a&#382; po dobu 24 mesiacov pri -80 &deg;C, k&yacute;m sa neanalyzovali APP.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V s&uacute;vislosti s FIP bolo vr&aacute;mci in&eacute;ho v&yacute;skumu uskuto&#269;nen&yacute;ch nieko&#318;ko diagnostick&yacute;ch testov, a to <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemBody&gt;Rivaltova zkou&scaron;ka je metoda, kter&aacute; se u&#382;&iacute;v&aacute; k diferenciaci transud&aacute;tu a exsud&aacute;tu, nap&#345;. u ascitick&eacute; tekutiny nebo hydrothoraxu.&lt;\/div&gt;\" href=\"https:\/\/www.fipwarriors.eu\/en\/glossary\/rivaltova-zkouska\/\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">Rivaltova sk&uacute;&scaron;ka<\/a> v ef&uacute;zii, test anti-FCoV protil&aacute;tok v s&eacute;re a ef&uacute;zii, imunofluorescen&#269;n&eacute; farbenie antig&eacute;nu FCoV v makrof&aacute;goch v ef&uacute;zii, PCR v krvi EDTA a v&yacute;potku. <sup>18<\/sup> Rivaltov test sa uskuto&#269;nil v centr&aacute;lnom laborat&oacute;riu na klinike pre mal&eacute; zvierat&aacute;, ako u&#382; bolo zmienen&eacute; vy&scaron;&scaron;ie.<sup>19<\/sup> Priama a nepriama detekcia FCoV sa uskuto&#269;nila v In&scaron;tit&uacute;te pre veterin&aacute;rnu virol&oacute;giu Justus-Liebigovej univerzity v Giessene, s v&yacute;nimkou imunofluorescen&#269;n&eacute;ho farbenia antig&eacute;nu FCoV v makrof&aacute;goch v ef&uacute;zii, ktor&eacute; sa uskuto&#269;&#328;ovalo v externom laborat&oacute;riu (Landesbetrieb Hessisches Landeslabor, Giessen, Nemecko). Titre anti-FCoV protil&aacute;tok sa stanovili nepriamym imunofluorescen&#269;n&yacute;m testom s pou&#382;it&iacute;m metodiky podobnej predch&aacute;dzaj&uacute;cej &scaron;t&uacute;dii.<sup>20<\/sup> Vnoren&aacute; PCR s reverznou transkript&aacute;zou z krvi EDTA a v&yacute;potku sa uskuto&#269;&#328;ovali met&oacute;dou Herrewegh a kol. <sup>21<\/sup> Imunofluorescen&#269;n&eacute; farbenie antig&eacute;nu FCoV v makrof&aacute;goch v ef&uacute;zii bolo vykon&aacute;van&eacute; met&oacute;dou identickou s met&oacute;dou pou&#382;itou Parodi a kol. <sup>22<\/sup> Dodato&#269;n&eacute; diagnostick&eacute; postupy (hrudn&aacute; a\/alebo bru&scaron;n&aacute; r&aacute;diografia, abdomin&aacute;lna ultrasonografia, CT, echokardiografia, <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemBody&gt;Cytol&oacute;gia je dnes &scaron;tandardnou diagnostickou met&oacute;dou v patol&oacute;gii. Jej &uacute;lohou je stanovi&#357; pr&iacute;tomnos&#357; predov&scaron;etk&yacute;m n&aacute;dorov&yacute;ch buniek v zaslanom materi&aacute;li.&lt;\/div&gt;\" href=\"https:\/\/www.fipwarriors.eu\/en\/glossary\/cytologia\/\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">cytol&oacute;gia<\/a>, histopatol&oacute;gia, chirurgick&eacute; vy&scaron;etrenie hrudn&iacute;ka alebo brucha) boli vykonan&eacute; v z&aacute;vislosti od zdravotn&eacute;ho stavu. Ma&#269;ky, ktor&eacute; po&#269;as hospitaliz&aacute;cie uhynuli alebo boli usmrten&eacute;, boli podroben&eacute; prehliadke post mortem v In&scaron;tit&uacute;te pre veterin&aacute;rnu patol&oacute;giu Justus-Liebigovej univerzity v Giessene, ak bol k dispoz&iacute;cii s&uacute;hlas majite&#318;a. Patohistologick&eacute; vy&scaron;etrenie zah&#341;&#328;alo imunohistoch&eacute;miu ako zlat&yacute; &scaron;tandard pre diagnostiku FIP pod&#318;a met&oacute;dy op&iacute;sanej Kipar a kol. <sup>23<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kone&#269;n&aacute; diagn&oacute;za (FIP vs. non-FIP) v predch&aacute;dzaj&uacute;cej &scaron;t&uacute;dii sa stanovila na z&aacute;klade v&yacute;sledkov imunohistoch&eacute;mie, pokia&#318; to bolo mo&#382;n&eacute;.<sup>18<\/sup> Zvy&scaron;n&eacute; ma&#269;ky, pre ktor&eacute; nebola k dispoz&iacute;cii &#382;iadna <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemBody&gt;&amp;lt;!-- wp:paragraph --&amp;gt;imunohistochemie &ndash; histologick&aacute; metoda, p&#345;i n&iacute;&#382; se ve vy&scaron;et&#345;ovan&eacute;m vzorku tk&aacute;n&#283; prokazuje p&#345;&iacute;tomnost ur&#269;it&yacute;ch antigen&#367; pomoc&iacute; specifick&yacute;ch protil&aacute;tek s nav&aacute;zan&yacute;mi chemick&yacute;mi slou&#269;eninami, kter&eacute; umo&#382;&#328;uj&iacute; jejich pr&#367;kaz nap&#345;. imunoperoxid&aacute;zov&aacute; reakce. Lze nap&#345;. rozli&scaron;it n&#283;kter&eacute; typy bun&#283;k &#269;i prok&aacute;zat n&#283;kter&eacute; chorobn&eacute; zm&#283;ny. Srov. imunofluorescence, histochemie imuno-; histochemie&amp;lt;br\/&amp;gt;&amp;lt;!-- \/wp:paragraph --&amp;gt;&lt;\/div&gt;\" href=\"https:\/\/www.fipwarriors.eu\/en\/glossary\/imunohistochemie\/\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">imunohistoch&eacute;mia<\/a>, bu&#271; preto, &#382;e ma&#269;ky boli prepusten&eacute; z kliniky, alebo majitelia odmietli postmort&aacute;lne vy&scaron;etrenie, boli pomocou sofistikovanej &scaron;tatistickej met&oacute;dy klasifikovan&eacute; ako FIP-pozit&iacute;vne alebo FIP-negat&iacute;vne.<sup>24<\/sup> T&aacute;to met&oacute;da kombinuje metodiku strojov&eacute;ho u&#269;enia s &#269;iasto&#269;n&yacute;m doh&#318;adom s vyu&#382;it&iacute;m konceptov z kooperat&iacute;vnej te&oacute;rie hier s vyu&#382;it&iacute;m v&yacute;sledkov nieko&#318;k&yacute;ch diagnostick&yacute;ch testov u jedincov, ktor&yacute;ch skuto&#269;n&yacute; zdravotn&yacute; stav nie je zn&aacute;my.<sup>24<\/sup> Met&oacute;da berie do &uacute;vahy presnos&#357; diagnostiky a klinick&yacute; v&yacute;znam jednotliv&yacute;ch testov a ich kombin&aacute;ci&iacute; pre stanovenie kone&#269;nej diagn&oacute;zy. Stru&#269;ne, u 29\/100 ma&#269;iek zahrnut&yacute;ch do predch&aacute;dzaj&uacute;cej &scaron;t&uacute;die bolo vykonan&eacute; post mortem vy&scaron;etrenie (vr&aacute;tane imunohistoch&eacute;mie)<sup>18<\/sup> a 11\/29 ma&#269;k&aacute;m bola diagnostikovan&aacute; FIP. V&yacute;sledky nieko&#318;k&yacute;ch diagnostick&yacute;ch testov (Rivalta test ef&uacute;zie, test anti-FCoV protil&aacute;tok v s&eacute;re a ef&uacute;zii, imunofluorescen&#269;n&eacute; farbenie antig&eacute;nu FCoV v makrof&aacute;goch v ef&uacute;zii, PCR v krvi EDTA a v&yacute;potku) od 16\/29 ma&#269;iek, pre ktor&eacute; bol FIP\/non-FIP stav zn&aacute;my na z&aacute;klade imunohistoch&eacute;mie, boli pou&#382;it&eacute; na u&#269;enie pr&iacute;stroja. Zvy&scaron;n&yacute;ch 13\/29 ma&#269;iek sa pou&#382;ilo ako testovacie vzorky. Pomocou tejto &scaron;tatistickej met&oacute;dy sa potom vyhodnotil stav FIP\/non-FIP zvy&scaron;n&yacute;ch 71 ma&#269;iek v predch&aacute;dzaj&uacute;cej &scaron;t&uacute;dii.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ma&#269;ky bez FIP sa &#271;alej rozdelili pod&#318;a v&yacute;sledkov v&scaron;etk&yacute;ch diagnostick&yacute;ch testov na tri podskupiny: (1) srdcov&eacute; ochorenie &ndash; ma&#269;ky, u ktor&yacute;ch echokardiografia diagnostikovala kardiomyopatiu sp&ocirc;sobuj&uacute;cu v&yacute;potok; (2) neopl&aacute;zia &ndash; ma&#269;ky, u ktor&yacute;ch bolo mo&#382;n&eacute; diagnostikova&#357; n&aacute;dor sp&ocirc;sobuj&uacute;ci v&yacute;potok na z&aacute;klade cytologick&eacute;ho a\/alebo histologick&eacute;ho vy&scaron;etrenia; a (3) &#271;al&scaron;ie &ndash; ma&#269;ky s v&yacute;potkom sp&ocirc;soben&yacute;m in&yacute;m ochoren&iacute;m ako FIP, srdcov&yacute;m ochoren&iacute;m alebo n&aacute;dorom.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ma&#269;ky zahrnut&eacute; v tejto &scaron;t&uacute;dii predstavuj&uacute; podmno&#382;inu popul&aacute;cie z predch&aacute;dzaj&uacute;ceho v&yacute;skumu.<sup>18<\/sup> Klasifik&aacute;cia ma&#269;iek do kateg&oacute;rie FIP\/non-FIP, ako aj &#271;al&scaron;ia klasifik&aacute;cia ma&#269;iek bez FIP do troch podskup&iacute;n (ochorenie srdca, neopl&aacute;zia, a &#271;al&scaron;ie), sa uskuto&#269;nila rovnak&yacute;m sp&ocirc;sobom ako v tejto &scaron;t&uacute;dii.<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Meranie prote&iacute;nov ak&uacute;tnej f&aacute;zy<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pred meran&iacute;m APP sa vzorky s&eacute;ra a v&yacute;potku rozmrazili pri izbovej teplote. Pr&iacute;tomnos&#357; hemol&yacute;zy sa hodnotila vizu&aacute;lne.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Haptoglobin a SAA boli meran&eacute; automatizovan&yacute;m analyz&aacute;torom ABX Pentra 400 (Axon Lab) s pou&#382;it&iacute;m reagenci&iacute; zo s&uacute;pravy Phase Range Haptoglobin kit (druh&aacute; gener&aacute;cia) (Tridelta Development) a LZ Test &lsquo;Eiken&rsquo; SAA (Eiken Chemical). Na meranie APP u ma&#269;iek boli pou&#382;it&eacute; obidva testy. <sup>11,25,26<\/sup> AGP sa meral manu&aacute;lnou met&oacute;dou s pou&#382;it&iacute;m reagenci&iacute; z testovacej s&uacute;pravy SRID Assay Kit (Phidel Feline &alpha;1 Acid Glycoprotein) (Tridelta Development). Tento test bol tie&#382; validovan&yacute; a pou&#382;it&yacute; u ma&#269;iek. <sup>13,14<\/sup><\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">&Scaron;tatistick&aacute; anal&yacute;za<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D&aacute;ta boli testovan&eacute; na norm&aacute;lnos&#357; pomocou s&uacute;hrnn&eacute;ho testu norm&aacute;lnosti D&rsquo;Agostino a Pearson a zistilo sa, &#382;e nie s&uacute; norm&aacute;lne distribuovan&eacute;. &#268;&iacute;seln&eacute; hodnoty s&uacute; preto uveden&eacute; ako <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemBody&gt;&amp;lt;!-- wp:paragraph --&amp;gt;Medi&aacute;n alebo stredn&aacute; hodnota (znaku) alebo centr&aacute;lna hodnota (znaku) je hodnota, ktor&aacute; rozde&#318;uje postupnos&#357; pod&#318;a ve&#318;kosti usporiadan&yacute;ch v&yacute;sledkov na dve rovnako po&#269;etn&eacute; polovice. V &scaron;tatistike patr&iacute; medzi stredn&eacute; hodnoty. Plat&iacute;, &#382;e najmenej 50 % hodn&ocirc;t je ni&#382;&scaron;&iacute;ch alebo sa rovn&aacute; a najmenej 50 % hodn&ocirc;t je vy&scaron;&scaron;&iacute;ch alebo sa rovn&aacute; medi&aacute;nu.&amp;lt;br\/&amp;gt;&amp;lt;!-- \/wp:paragraph --&amp;gt;&amp;lt;!-- wp:paragraph --&amp;gt;Na n&aacute;jdenie medi&aacute;nu dan&eacute;ho s&uacute;boru sta&#269;&iacute; hodnoty usporiada&#357; pod&#318;a ve&#318;kosti a zobra&#357; hodnotu, ktor&aacute; sa nach&aacute;dza v strede zoznamu. Ak m&aacute; s&uacute;bor&amp;amp;nbsp;p&aacute;rny&amp;amp;nbsp;po&#269;et prvkov, zvy&#269;ajne sa za medi&aacute;n ozna&#269;&iacute;&amp;amp;nbsp;aritmetick&yacute; priemer&amp;amp;nbsp;hodn&ocirc;t na mieste n\/2 a (n+2)\/2, ktor&eacute; sa nach&aacute;dzaj&uacute; v oblasti prostrednej hodnoty.&amp;lt;br\/&amp;gt;&amp;lt;!-- \/wp:paragraph --&amp;gt;&lt;\/div&gt;\" href=\"https:\/\/www.fipwarriors.eu\/en\/glossary\/median\/\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">medi&aacute;n<\/a> a rozsah. APP u ma&#269;iek s FIP a bez nej boli porovnan&eacute; pomocou Mann-Whitneyho U-testu, zatia&#318; &#269;o &scaron;tyri skupiny (v z&aacute;vislosti od kone&#269;nej diagn&oacute;zy) boli porovnan&eacute; pomocou Kruskal-Wallisovho testu, po ktorom nasledovalo Dunnovo porovnanie. Pre ka&#382;d&yacute; testovan&yacute; parameter sa vypo&#269;&iacute;tali krivky opera&#269;nej charakteristiky prij&iacute;ma&#269;a (ROC) a plocha pod krivkou (AUC). &Scaron;tatistick&aacute; anal&yacute;za sa uskuto&#269;&#328;ovala pomocou komer&#269;n&eacute;ho softv&eacute;ru (GraphPad Prism verzia 6). &Scaron;tatistick&aacute; v&yacute;znamnos&#357; bola definovan&aacute; ako P &#10877;0.05.<\/p>\n\n\n\n<h2 class=\"lm-underscore wp-block-heading\">V&yacute;sledky<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">K dispoz&iacute;cii boli vzorky s&eacute;ra pre &uacute;&#269;ely merania APP od 88 ma&#269;iek. U 67\/88 ma&#269;iek sa APP merala aj v ef&uacute;zii. Stredn&yacute; vek 88 ma&#269;iek bol 8,3 rokov (rozp&auml;tie 0,3&ndash;17,9 rokov); u &scaron;tyroch ma&#269;iek nebol vek zn&aacute;my. Tridsa&#357; (34%) ma&#269;iek boli samice (&scaron;tyri intaktn&eacute;, 26 sterilizovan&yacute;ch) a 57 (65%) samci (sedem intaktn&yacute;ch, 50 kastrovan&yacute;ch); u jednej (1%) ma&#269;ky sa pohlavie nezaznamenalo. Najbe&#382;nej&scaron;&iacute;m plemenom bola dom&aacute;ca kr&aacute;tkosrst&aacute; (63 ma&#269;iek [72%]); Zaznamenan&yacute;ch bolo &#271;al&scaron;&iacute;ch 11 plemien. Tridsa&#357;sedem (42%) ma&#269;iek malo ascites, 44 (50%) ma&#269;iek malo pleur&aacute;lny v&yacute;potok, p&auml;&#357; (6%) ma&#269;iek malo ascites a pleur&aacute;lny v&yacute;potok a dve (2%) ma&#269;ky mali perikardi&aacute;lny v&yacute;potok. Z 88 ma&#269;iek malo 20 (23%) ma&#269;iek FIP (u deviatich ma&#269;iek to bolo potvrden&eacute; imunohistoch&eacute;miou; zvy&scaron;n&yacute;ch 11 ma&#269;iek bolo zisten&yacute;ch &scaron;tatisticky) a 68 (77%) ma&#269;iek trpelo in&yacute;mi chorobami (u 16 ma&#269;iek bola diagn&oacute;za stanoven&aacute; histopatol&oacute;giou). Z nich 22 (25%) ma&#269;iek malo srdcov&eacute; ochorenie, 24 (27%) malo n&aacute;dor a 22 (25%) ma&#269;iek malo in&eacute; choroby. U druhej skupiny bola diagn&oacute;za stanoven&aacute; u v&scaron;etk&yacute;ch okrem dvoch ma&#269;iek. Ma&#269;k&aacute;m bolo diagnostikovan&eacute; jedno z nasleduj&uacute;cich ochoren&iacute;: septick&aacute; peritonit&iacute;da alebo pyothorax (n = 10), sepsa (s hrudn&yacute;m v&yacute;potkom klasifikovan&yacute;m ako transud&aacute;t na z&aacute;klade po&#269;tu buniek a celkov&eacute;ho prote&iacute;nu; n = 1), idiopatick&yacute; chylotorax (n = 3), ochorenie obli&#269;iek (n = 2), hepat&aacute;lna amyloid&oacute;za (n = 1), cholangiohepatit&iacute;da (n = 1), intoxik&aacute;cia permetr&iacute;nom (n = 1) a trauma (n = 1).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dve ma&#269;ky boli pozit&iacute;vne na FIV, dve na FeLV a jedna bola pozit&iacute;vna na FIV aj FeLV. Z&aacute;kladn&eacute; choroby zodpovedn&eacute; za tvorbu v&yacute;potku u t&yacute;chto ma&#269;iek boli FIP, septick&aacute; peritonit&iacute;da, karcin&oacute;m, lymf&oacute;m a trauma.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tri vzorky s&eacute;ra a 12 vzoriek v&yacute;potkov boli v&yacute;razne hemolytick&eacute;.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Koncentr&aacute;cie troch APP v s&eacute;re a v&yacute;potku boli v&yacute;znamne odli&scaron;n&eacute; u ma&#269;iek s FIP a bez FIP (P &lt;0,001 pre v&scaron;etky tri APP) (tabu&#318;ka 1).<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes lm-small\"><table><thead><tr><th><\/th><th><\/th><th>FIP<\/th><th>Non-FIP<\/th><th>Hodnota P<\/th><\/tr><\/thead><tbody><tr><td>S&eacute;rum<\/td><td>Hp (mg\/ml)<\/td><td>2.0 (2.0-9.0)<\/td><td>1.8 (0-2.0)<\/td><td>&lt;0.001<\/td><\/tr><tr><td>&nbsp;<\/td><td>AGP (&mu;g\/ml)<\/td><td>2900 (960-5040)<\/td><td>690 (120-4500)<\/td><td>&lt;0.001<\/td><\/tr><tr><td>&nbsp;<\/td><td>SAA (&mu;g\/ml)<\/td><td>98.5(1.3-163.4)<\/td><td>7.6(0.1-163.8)<\/td><td>&lt;0.001<\/td><\/tr><tr><td>Ef&uacute;zia<\/td><td>Hp (mg\/ml)<\/td><td>2.2(0.1-9.3)<\/td><td>0.8(0.1-2.5)<\/td><td>&lt;0.001<\/td><\/tr><tr><td>&nbsp;<\/td><td>AGP (&mu;g\/ml)<\/td><td>2570(1300-5760)<\/td><td>480 (190-3800)<\/td><td>&lt;0.001<\/td><\/tr><tr><td>&nbsp;<\/td><td>SAA (&mu;g\/ml)<\/td><td>80.4(0.1-207.4)<\/td><td>0.1 (0.1-182.7)<\/td><td>&lt;0.001<\/td><\/tr><\/tbody><\/table><figcaption><strong>Tabu&#318;ka 1<\/strong> Koncentr&aacute;cie haptoglob&iacute;nu (Hp), &alpha;1-kysl&eacute;ho glykoprote&iacute;nu (AGP) a s&eacute;rov&eacute;ho amyloidu A (SAA) v s&eacute;re (20 ma&#269;iek s FIP a 68 ma&#269;iek bez FIP) a v&yacute;potku (14 ma&#269;iek s FIP a 53 ma&#269;iek bez FIP)<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Medzi ma&#269;kami s FIP, srdcov&yacute;mi chorobami, neopl&aacute;ziami a in&yacute;mi (obr&aacute;zky 1a&ndash;c a 2a, b) bol v&yacute;znamn&yacute; rozdiel v koncentr&aacute;ci&aacute;ch v&scaron;etk&yacute;ch troch APP v s&eacute;re aj v ef&uacute;zii, s jedinou v&yacute;nimkou koncentr&aacute;cie SAA v s&eacute;re, ktor&aacute; sa nel&iacute;&scaron;ila medzi ma&#269;kami s FIP a in&yacute;mi chorobami (obr&aacute;zok 2c).<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig1.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig1-1024x809.jpg\" alt=\"\" class=\"wp-image-6512\" width=\"768\" height=\"607\" srcset=\"https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig1-1024x809.jpg 1024w, https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig1-300x237.jpg 300w, https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig1-768x607.jpg 768w, https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig1-759x600.jpg 759w, https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig1-1536x1214.jpg 1536w, https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig1-16x12.jpg 16w, https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig1-350x277.jpg 350w, https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig1-64x51.jpg 64w, https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig1.jpg 1835w\" sizes=\"auto, (max-width: 706px) 89vw, (max-width: 767px) 82vw, 740px\"\/><\/a><figcaption><strong>Obr&aacute;zok 1<\/strong> (a) Haptoglob&iacute;n, (b) &alpha;1-kysl&yacute; glykoprote&iacute;n (AGP) a (c) koncentr&aacute;cia s&eacute;rov&eacute;ho amyloidu A (SAA) v ef&uacute;zii ma&#269;iek s infek&#269;nou peritonit&iacute;dou ma&#269;iek (FIP; n = 14), chorobou srdca (n = 17) ), neopl&aacute;ziou (n = 21) a in&yacute;mi chorobami (n = 15). R&aacute;m&#269;eky predstavuj&uacute; 25. a 75. kvartil, vodorovn&aacute; &#269;iara predstavuje medi&aacute;n. V&yacute;be&#382;ky predstavuj&uacute; rozsah &uacute;dajov. Hviezdi&#269;ky predstavuj&uacute; &uacute;rovne v&yacute;znamnosti (*** P &lt;0,001, ** P &lt;0,01, * P &lt;0,05) pri porovnan&iacute; skupiny so srdcov&yacute;mi chorobami, neopl&aacute;ziami a in&yacute;mi chorobami so skupinou FIP<\/figcaption><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig2.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig2-1024x790.jpg\" alt=\"\" class=\"wp-image-6513\" width=\"768\" height=\"593\" srcset=\"https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig2-1024x790.jpg 1024w, https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig2-300x231.jpg 300w, https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig2-768x592.jpg 768w, https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig2-778x600.jpg 778w, https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig2-1536x1185.jpg 1536w, https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig2-16x12.jpg 16w, https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig2-350x270.jpg 350w, https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig2-64x49.jpg 64w, https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig2.jpg 1958w\" sizes=\"auto, (max-width: 706px) 89vw, (max-width: 767px) 82vw, 740px\"\/><\/a><figcaption><strong>Obr&aacute;zok 2<\/strong> (a) Haptoglob&iacute;n, (b) &alpha;1-kysl&yacute; glykoprote&iacute;n (AGP) a (c) s&eacute;rov&yacute; amyloidu A (SAA) v s&eacute;re ma&#269;iek s infek&#269;nou peritonit&iacute;dou ma&#269;iek (FIP; n = 20), srdcov&yacute;mi chorobami (n = 22) ), neopl&aacute;ziou (n = 24) a in&yacute;mi chorobami (n = 22). R&aacute;m&#269;eky predstavuj&uacute; 25. a 75. kvartil, medi&aacute;n je vyjadren&yacute; vodorovnou &#269;iarou. V&yacute;be&#382;ky predstavuj&uacute; rozsah &uacute;dajov. Hviezdi&#269;ky predstavuj&uacute; &uacute;rovne v&yacute;znamnosti (*** P &lt;0,001, ** P &lt;0,01, * P &lt;0,05) pri porovnan&iacute; skupiny so srdcov&yacute;mi chorobami, neopl&aacute;ziami a in&yacute;mi chorobami so skupinou FIP<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">ROC krivky pre tri APP pri diagnostike FIP s&uacute; zn&aacute;zornen&eacute; pre s&eacute;rum na obr&aacute;zku 3 a pre v&yacute;potok na obr&aacute;zku 4.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig3.jpeg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig3-1024x716.jpeg\" alt=\"\" class=\"wp-image-6517\" width=\"768\" height=\"537\" srcset=\"https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig3-1024x716.jpeg 1024w, https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig3-300x210.jpeg 300w, https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig3-768x537.jpeg 768w, https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig3-800x559.jpeg 800w, https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig3-16x12.jpeg 16w, https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig3-350x245.jpeg 350w, https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig3-64x45.jpeg 64w, https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig3.jpeg 1041w\" sizes=\"auto, (max-width: 706px) 89vw, (max-width: 767px) 82vw, 740px\"\/><\/a><figcaption><strong>Obr&aacute;zok 3<\/strong> Krivky opera&#269;n&yacute;ch charakterist&iacute;k prij&iacute;ma&#269;a troch prote&iacute;nov ak&uacute;tnej f&aacute;zy, haptoglob&iacute;nu (Hp), &alpha;1-kysl&eacute;ho glykoprote&iacute;nu (AGP) a s&eacute;rov&eacute;ho amyloidu A (SAA) v s&eacute;re ma&#269;iek s infek&#269;nou peritonit&iacute;dou ma&#269;iek (FIP; n = 20) a ma&#269;iek bez FIP (n = 68)<\/figcaption><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig4.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig4-1024x715.jpg\" alt=\"\" class=\"wp-image-6518\" width=\"768\" height=\"536\" srcset=\"https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig4-1024x715.jpg 1024w, https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig4-300x210.jpg 300w, https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig4-768x536.jpg 768w, https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig4-800x559.jpg 800w, https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig4-16x12.jpg 16w, https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig4-350x244.jpg 350w, https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig4-64x45.jpg 64w, https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/10.1177_1098612x16658925-fig4.jpg 1041w\" sizes=\"auto, (max-width: 706px) 89vw, (max-width: 767px) 82vw, 740px\"\/><\/a><figcaption><strong>Obr&aacute;zok 4<\/strong> Krivky opera&#269;n&yacute;ch charakterist&iacute;k prij&iacute;ma&#269;a troch prote&iacute;nov ak&uacute;tnej f&aacute;zy haptoglob&iacute;nu (Hp), &alpha;1-kysl&eacute;ho glykoprote&iacute;nu (AGP) a s&eacute;rov&eacute;ho amyloidu A (SAA) z v&yacute;potku ma&#269;iek s infek&#269;nou peritonit&iacute;dou ma&#269;iek (FIP; n = 14) a ma&#269;iek bez FIP (n = 53)<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Tabu&#318;ka 2 zobrazuje AUC pre ka&#382;d&yacute; APP vr&aacute;tane najlep&scaron;&iacute;ch medzn&yacute;ch hodn&ocirc;t zalo&#382;en&yacute;ch na pomere najlep&scaron;ej pravdepodobnosti s jeho citlivos&#357;ou a &scaron;pecifickos&#357;ou.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes lm-small\"><table><thead><tr><th><\/th><th><\/th><th>AUC<\/th><th>Cut-off<\/th><th>Citlivos&#357; (%)<\/th><th>&Scaron;pecificita (%)<\/th><\/tr><\/thead><tbody><tr><td>S&eacute;rum<\/td><td>Hp<\/td><td>0.777<\/td><td>2.0 mg\/ml<\/td><td>55<\/td><td>82<\/td><\/tr><tr><td>&nbsp;<\/td><td>AGP<\/td><td>0.899<\/td><td>2260 &mu;g\/ml<\/td><td>85<\/td><td>90<\/td><\/tr><tr><td>&nbsp;<\/td><td>SAA<\/td><td>0.800<\/td><td>97.3 &mu;g\/ml<\/td><td>55<\/td><td>87<\/td><\/tr><tr><td>Ef&uacute;zia<\/td><td>Hp<\/td><td>0.870<\/td><td>2.1 mg\/ml<\/td><td>79<\/td><td>87<\/td><\/tr><tr><td>&nbsp;<\/td><td>AGP<\/td><td>0.950<\/td><td>1550 &mu;g\/ml<\/td><td>93<\/td><td>93<\/td><\/tr><tr><td>&nbsp;<\/td><td>SAA<\/td><td>0.885<\/td><td>43.6 &mu;g\/ml<\/td><td>71<\/td><td>91<\/td><\/tr><\/tbody><\/table><figcaption><strong>Tabu&#318;ka 2<\/strong> Plocha pod krivkou (AUC), optim&aacute;lne hrani&#269;n&eacute; hodnoty a citlivos&#357; a &scaron;pecifickos&#357; troch prote&iacute;nov ak&uacute;tnej f&aacute;zy v s&eacute;re a v&yacute;potku<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Uk&aacute;zalo sa, &#382;e AGP v ef&uacute;zii je najlep&scaron;&iacute;m markerom pre odl&iacute;&scaron;enie FIP od in&yacute;ch ochoren&iacute;; medzn&aacute; hodnota 1550 &mu;g\/ml mala pre diagnostiku FIP citlivos&#357; a &scaron;pecificitu 93%.<\/p>\n\n\n\n<h2 class=\"lm-underscore wp-block-heading\">Diskusia<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Toto je prv&aacute; &scaron;t&uacute;dia, ktor&aacute; hodnot&iacute; v&scaron;etky tri d&ocirc;le&#382;it&eacute; APP u ma&#269;iek, meran&eacute; v s&eacute;re aj v&yacute;potku, ako diagnostick&yacute; n&aacute;stroj na odl&iacute;&scaron;enie FIP od in&yacute;ch chor&ocirc;b. Najlep&scaron;&iacute;m APP, pomocou ktor&eacute;ho bolo mo&#382;n&eacute; rozl&iacute;&scaron;i&#357; ma&#269;ky s FIP alebo bez nej, bol AGP v ef&uacute;zii. AUC ROC krivky pre tento analyt bola 0,95; medzn&aacute; hodnota 1550 &mu;g\/ml mala pre diagnostiku FIP senzitivitu a &scaron;pecificitu 93%. Medzn&eacute; hodnoty pre testovan&eacute; parametre boli vybran&eacute; prednostne na z&iacute;skanie vysokej &scaron;pecifi&#269;nosti, preto&#382;e falo&scaron;ne pozit&iacute;vny v&yacute;sledok by mohol by&#357; pre ma&#269;ku potenci&aacute;lne smrte&#318;n&yacute;. V predlo&#382;enej &scaron;t&uacute;dii iba &scaron;tyri ma&#269;ky s chorobami in&yacute;mi ako FIP mali koncentr&aacute;cie AGP v ef&uacute;zii vy&scaron;&scaron;ie ako 1550 &mu;g\/ml, a preto by im bola falo&scaron;ne diagnostikovan&aacute; pr&iacute;tomnos&#357; FIP. Z t&yacute;chto ma&#269;iek mali tri septick&yacute; v&yacute;potok a jedna mala metastatick&yacute; karcin&oacute;m pankreasu, endokardit&iacute;du a hnisav&uacute; bronchopneum&oacute;niu. T&aacute;to ma&#269;ka mala ascites, a hoci sa pri cytologickom vy&scaron;etren&iacute; nena&scaron;li &#382;iadne n&aacute;dorov&eacute; bunky, pr&iacute;&#269;inou s najv&auml;&#269;&scaron;ou pravdepodobnos&#357;ou bol metastatick&yacute; karcin&oacute;m pankreasu a ma&#269;ka bola zaraden&aacute; do &bdquo;skupiny n&aacute;dorov&ldquo;. T&aacute;to ma&#269;ka v&scaron;ak mala tie&#382; pozit&iacute;vny test na FIV a FeLV, ktor&eacute; mohli ma&#357; vplyv na hladiny APP. Nako&#318;ko FIV alebo FeLV prispeli ku koncentr&aacute;ci&aacute;m APP u zvy&scaron;n&yacute;ch &scaron;tyroch ma&#269;iek s FIV a\/alebo FeLV, nie je mo&#382;n&eacute; pri pou&#382;it&iacute; s&uacute;&#269;asn&yacute;ch met&oacute;d ur&#269;i&#357;.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">U v&scaron;etk&yacute;ch APP testovan&yacute;ch v s&eacute;re a v&yacute;potku mali niektor&eacute; ma&#269;ky so septick&yacute;mi procesmi a nieko&#318;ko ma&#269;iek s diseminovan&yacute;mi neopl&aacute;ziami hladiny APP vysok&eacute; podobne, ako ma&#269;ky s FIP. Av&scaron;ak ma&#269;ky so srdcov&yacute;m ochoren&iacute;m mali n&iacute;zke APP, s jedinou v&yacute;nimkou jednej ma&#269;ky s endokardit&iacute;dou s koncentr&aacute;ciou AGP v ef&uacute;zii 1500 &mu;g\/ml. T&aacute;to ma&#269;ka mala pri posmrtnom vy&scaron;etren&iacute; tie&#382; zn&aacute;mky bronchopneum&oacute;nie, ktor&aacute; pravdepodobne prispela k vysokej koncentr&aacute;cii AGP. T&aacute;to ma&#269;ka v&scaron;ak bola zaraden&aacute; do kateg&oacute;rie &bdquo;srdcov&eacute; choroby&ldquo;, preto&#382;e AGP sa meral v ascite, ktor&yacute; sa na z&aacute;klade v&yacute;sledkov posmrtn&eacute;ho a cytologick&eacute;ho vy&scaron;etrenia (modifikovan&yacute; transud&aacute;t) pova&#382;oval za sekund&aacute;rny n&aacute;sledok zlyhania srdca. Je zauj&iacute;mav&eacute;, &#382;e pri v&scaron;etk&yacute;ch APP pri meran&iacute; APP v ef&uacute;zii do&scaron;lo k men&scaron;iemu prekr&yacute;vaniu medzi ma&#269;kami s FIP a ma&#269;kami so septick&yacute;m procesom alebo neopl&aacute;ziou. Pr&iacute;&#269;ina tohto zistenia nie je v s&uacute;&#269;asnosti zn&aacute;ma.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Na z&aacute;klade t&yacute;chto zisten&iacute; by mohol by&#357; navrhnut&yacute; diagnostick&yacute; algoritmus u&#382;ito&#269;n&yacute; v klinickej praxi. U ma&#269;iek s v&yacute;potkami v telesnej dutine by sa mal ur&#269;i&#357; AGP vo v&yacute;potku. Ak s&uacute; hladiny AGP vysok&eacute;, mala by sa zv&aacute;&#382;i&#357; FIP, pr&iacute;padne septick&eacute; alebo diseminovan&eacute; neoplastick&eacute; ochorenie. Septick&aacute; ef&uacute;zia sa d&aacute; &#318;ahko rozpozna&#357; na z&aacute;klade v&yacute;sledkov hematol&oacute;gie a cytologick&eacute;ho vy&scaron;etrenia v&yacute;potku. Ak nie s&uacute; d&ocirc;kazy o septickom procese, mali by sa vykona&#357; &#271;al&scaron;ie diagnostick&eacute; testy na FIP. Hlavnou nev&yacute;hodou tohto diagnostick&eacute;ho algoritmu je zl&aacute; dostupnos&#357; testovania AGP v porovnan&iacute; s in&yacute;mi met&oacute;dami, vr&aacute;tane PCR. To by sa v&scaron;ak v bud&uacute;cnosti mohlo zlep&scaron;i&#357; zaveden&iacute;m testov, ktor&eacute; je mo&#382;n&eacute; pou&#382;i&#357; s automatick&yacute;mi analyz&aacute;tormi.<sup>27<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nieko&#318;ko &scaron;t&uacute;di&iacute; zistilo zv&yacute;&scaron;en&eacute; hladiny APP u ma&#269;iek s FIP; <sup>11&ndash;14<\/sup>, vysok&eacute; hladiny APP sa v&scaron;ak zaznamenali aj pri r&ocirc;znych in&yacute;ch z&aacute;palov&yacute;ch aj nez&aacute;palov&yacute;ch stavoch, ako je neopl&aacute;zia. <sup>25,26,28&ndash;30<\/sup> Dve &scaron;t&uacute;die u ma&#269;iek s FIP hodnotili iba AGP, <sup>13,14<\/sup> a jedna &scaron;t&uacute;dia hodnotila AGP aj Hp.<sup>12<\/sup> V&scaron;etky tri APP boli aj predmetom in&eacute;ho v&yacute;skumu; v&yacute;sledky sa v&scaron;ak porovn&aacute;vali iba s v&yacute;sledkami u zdrav&yacute;ch ma&#269;iek.<sup>11<\/sup> V jednej &scaron;t&uacute;dii <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemBody&gt;ROC k&#345;ivka (z anglick&eacute;ho Receiver Operating Characteristic, opera&#269;n&iacute; charakteristika p&#345;ij&iacute;ma&#269;e) je graf, kter&yacute; popisuje kvalitu bin&aacute;rn&iacute;ho klasifik&aacute;toru v z&aacute;vislosti na nastaven&iacute; jeho klasifika&#269;n&iacute;ho prahu.&lt;\/div&gt;\" href=\"https:\/\/www.fipwarriors.eu\/en\/glossary\/roc-krivka\/\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">ROC krivka<\/a> pre s&eacute;rov&yacute; AGP vyk&aacute;zala AUC 0.850,<sup>13<\/sup>, ktor&aacute; je podobn&aacute; hodnote zistenej pri s&uacute;&#269;asnom v&yacute;skume(0.899). Na v&yacute;po&#269;et ROC v tejto &scaron;t&uacute;dii sa v&scaron;ak pou&#382;ili klinicky zdrav&eacute; ma&#269;ky, ktor&eacute; br&aacute;nili priamemu porovnaniu v&yacute;sledkov.<sup>13<\/sup> Pre s&eacute;rov&yacute; AGP bola na diagnostiku FIP hl&aacute;sen&aacute; vynikaj&uacute;ca senzitivita a &scaron;pecificita, ka&#382;d&aacute; so 100% &scaron;pecifickos&#357;ou s pou&#382;it&iacute;m medznej hodnoty 1,5 mg\/ml (t.j. 1500 &micro;g\/ml).<sup>14<\/sup> Bolo v&scaron;ak zahrnut&yacute;ch iba osem ma&#269;iek s FIP a &scaron;tyri ma&#269;ky s in&yacute;mi chorobami a tieto v&yacute;sledky je potrebn&eacute; interpretova&#357; opatrne. S pou&#382;it&iacute;m rovnakej medznej hodnoty mal pri diagnostike v inej &scaron;t&uacute;dii AGP senzitivitu 85% a &scaron;pecificitu 100%.<sup>12<\/sup> T&uacute;to vynikaj&uacute;cu &scaron;pecifickos&#357; mo&#382;no prip&iacute;sa&#357; skuto&#269;nosti, &#382;e do nej neboli zaraden&eacute; &#382;iadne ma&#269;ky so septick&yacute;m v&yacute;potkom.<sup>12<\/sup> Septick&eacute; ma&#269;ky, pod&#318;a tejto &scaron;t&uacute;die, maj&uacute; hodnoty AGP tak&eacute; vysok&eacute; ako ma&#269;ky s FIP, &#269;o zni&#382;uje &scaron;pecificitu tohto parametra.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V tejto &scaron;t&uacute;dii je nieko&#318;ko obmedzen&iacute;. Po prv&eacute;, imunohistoch&eacute;mia, zlat&aacute; &scaron;tandardn&aacute; met&oacute;da diagnostiky FIP, sa mohla vykona&#357; iba u 11 ma&#269;iek pre potvrdenie a u 18 ma&#269;iek pre vyl&uacute;&#269;enie FIP (ma&#269;ky trpiace in&yacute;mi chorobami ako FIP), preto&#382;e post-mortem vy&scaron;etrenie sa uskuto&#269;nilo iba v tejto podskupine ma&#269;iek.<sup>18<\/sup> V najnov&scaron;om komplexnom preh&#318;ade diagnostiky FIP sa v&scaron;ak histologick&eacute; vy&scaron;etrenie a imunohistoch&eacute;mia nepova&#382;ovali za nutn&eacute; po&#382;iadavky pre diagnostiku FIP.<sup>31<\/sup> Namiesto toho sa ako d&ocirc;le&#382;it&eacute; n&aacute;stroje pre diagnostiku uk&aacute;zali by&#357; typick&eacute; vlastnosti, anamn&eacute;za a klinick&eacute; pr&iacute;znaky FIP. Uk&aacute;zali sa ale aj obmedzenia, ktor&eacute; vykazuje ka&#382;d&aacute; laborat&oacute;rna met&oacute;da vr&aacute;tane imunohistoch&eacute;mie.<sup>31<\/sup> In&iacute; autori zalo&#382;ili diagnostiku FIP na n&aacute;lezoch cytologick&eacute;ho vy&scaron;etrenia v&yacute;potku v kombin&aacute;cii s in&yacute;mi laborat&oacute;rnymi parametrami a typickou anamn&eacute;zou pre pr&iacute;pady, ke&#271; histol&oacute;gia nebola k dispoz&iacute;cii .<sup>32,33<\/sup> Aby sme prekonali probl&eacute;m absencie post-mortem vy&scaron;etren&iacute;, pre klasifik&aacute;ciu FIP pozit&iacute;vnych alebo FIP negat&iacute;vnych ma&#269;iek sa pou&#382;ila  vysoko spo&#318;ahliv&aacute; a sofistikovan&aacute; &scaron;tatistick&aacute; met&oacute;da kombinuj&uacute;ca v&yacute;sledky viacer&yacute;ch testov.<sup>24<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Testy pou&#382;it&eacute; na meranie APP neboli &scaron;pecificky ur&#269;en&eacute; na meranie t&yacute;chto analytov v ef&uacute;zii. Av&scaron;ak pod&#318;a pokynov v&yacute;robcu je mo&#382;n&eacute; testy AGP v tejto &scaron;t&uacute;dii pou&#382;i&#357; pre stanovenie koncentr&aacute;cie AGP v ma&#269;acom s&eacute;re alebo in&yacute;ch vzork&aacute;ch. Podobn&yacute; test sa predt&yacute;m pou&#382;&iacute;val na meranie AGP v ef&uacute;zii.<sup>12<\/sup> Dlhodob&eacute; skladovanie mohlo ovplyvni&#357; koncentr&aacute;cie APP v na&scaron;ich vzork&aacute;ch, preto&#382;e niektor&eacute; sa pred anal&yacute;zou skladovali a&#382; 2 roky pri -80 &deg; C. Nie s&uacute; zverejnen&eacute; &#382;iadne inform&aacute;cie t&yacute;kaj&uacute;ce sa stability APP u ma&#269;iek po&#269;as dlhodob&eacute;ho skladovania, a vplyv podmienok a &#269;asu skladovania nie je zn&aacute;my.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Je zn&aacute;me, &#382;e niektor&eacute; laborat&oacute;rne met&oacute;dy s&uacute; ovplyvnen&eacute; pr&iacute;tomnos&#357;ou hemol&yacute;zy, lip&eacute;mie a bilirubin&eacute;mie v analyzovan&yacute;ch vzork&aacute;ch. O vplyve t&yacute;chto l&aacute;tok na meranie APP u psov a ma&#269;iek dodnes nem&aacute;me mnoho inform&aacute;ci&iacute;.<sup>10<\/sup> Pokia&#318; je n&aacute;m zn&aacute;me, neboli publikovan&eacute; &#382;iadne konkr&eacute;tne &scaron;pecifick&eacute; opatrenia pre imunoturbidimetrick&yacute; test pou&#382;&iacute;van&yacute; na meranie koncentr&aacute;cie SAA alebo jednorazovej radi&aacute;lnej imunodif&uacute;zie pou&#382;itej pre meranie koncentr&aacute;cie AGP u ma&#269;iek v tejto &scaron;t&uacute;dii. Pri meran&iacute; koncentr&aacute;cie Hp by mohla vzbudzova&#357; obavy hemol&yacute;za, preto&#382;e vo&#318;n&yacute; <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemBody&gt;&amp;lt;!-- wp:paragraph --&amp;gt;Hemoglob&iacute;n je &#269;erven&eacute; krvn&eacute; farbivo v erytrocytoch, tetramerick&aacute; molekula zlo&#382;en&aacute; zo &scaron;tyroch glob&iacute;nov&yacute;ch (bielkovinov&yacute;ch) re&#357;azcov, z ktor&yacute;ch ka&#382;d&yacute; obsahuje jeden hem (feroprotoporfyr&iacute;n). Najd&ocirc;le&#382;itej&scaron;ou funkciou je prenos kysl&iacute;ka do tkan&iacute;v. Fyziologicky sa u &#318;ud&iacute; vyskytuj&uacute; r&ocirc;zne formy hemoglob&iacute;nu: embryon&aacute;lny (Hb Gower), fet&aacute;lny (HbF), dospel&yacute;ch (HbA1, HbA2, HbA3).&amp;lt;br\/&amp;gt;&amp;lt;!-- \/wp:paragraph --&amp;gt;&lt;\/div&gt;\" href=\"https:\/\/www.fipwarriors.eu\/en\/glossary\/hemoglobin\/\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">hemoglob&iacute;n<\/a> by sa mohol vo vzorke viaza&#357; na haptoglob&iacute;n, &#269;o by v d&ocirc;sledku mohlo vies&#357; k falo&scaron;ne zn&iacute;&#382;en&yacute;m koncentr&aacute;ci&aacute;m Hp. <sup>34<\/sup> Preto&#382;e hemolytick&eacute; vzorky neboli z anal&yacute;zy vyl&uacute;&#269;en&eacute;, ich pou&#382;itie mohlo ovplyvni&#357; v&yacute;sledky, a mohlo by by&#357; zodpovedn&eacute; za obmedzen&uacute; u&#382;ito&#269;nos&#357; Hp pri diagnostike FIP.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Na z&aacute;ver je d&ocirc;le&#382;it&eacute; zd&ocirc;razni&#357;, &#382;e zistenia tejto &scaron;t&uacute;die s&uacute; pou&#382;ite&#318;n&eacute; iba u ma&#269;iek s v&yacute;potkami v telesn&yacute;ch dutin&aacute;ch, ktor&eacute; m&ocirc;&#382;u trpie&#357; efuz&iacute;vnou (vlhkou) formou FIP. Na vyhodnotenie APP u ma&#269;iek s granulomat&oacute;znou (suchou) FIP s&uacute; potrebn&eacute; &#271;al&scaron;ie &scaron;t&uacute;die.<\/p>\n\n\n\n<h2 class=\"lm-underscore wp-block-heading\">Z&aacute;very<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Aj ke&#271; sa zistilo, &#382;e AGP je u&#382;ito&#269;n&yacute;m diagnostick&yacute;m n&aacute;strojom pre rozl&iacute;&scaron;enie medzi FIP a in&yacute;mi chorobami sp&ocirc;sobuj&uacute;cimi v&yacute;potok, pr&iacute;nos SAA a Hp nebol v tomto oh&#318;ade dostato&#269;n&yacute;. Meranie AGP v ef&uacute;zii poskytlo najvy&scaron;&scaron;&iacute; diagnostick&yacute; pr&iacute;nos spomedzi APP testovan&yacute;ch v s&eacute;re aj v ef&uacute;zii. Preto&#382;e sa v&scaron;ak zistilo ur&#269;it&eacute; prekrytie AGP u ma&#269;iek s FIP a septick&yacute;m ochoren&iacute;m alebo diseminovanou neopl&aacute;ziou, AGP nemo&#382;no pou&#382;i&#357; ako jedin&yacute; test na FIP.<\/p>\n\n\n\n<h2 class=\"lm-underscore wp-block-heading\">Po&#271;akovania<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Chceli by sme sa po&#271;akova&#357; Sabine Zielinskej za technick&uacute; podporu a v&scaron;etk&yacute;m kolegom z Kliniky mal&yacute;ch zvierat a Dr. Christiane Stengel z Tierklinik Hofheim, Nemecko, za odber vzoriek.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Konflikt z&aacute;ujmov<br>Autori neuviedli &#382;iadny potenci&aacute;lny konflikt z&aacute;ujmov v s&uacute;vislosti s v&yacute;skumom, autorstvom alebo publikovan&iacute;m tohto &#269;l&aacute;nku.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Financovanie<br>Autori nez&iacute;skali &#382;iadnu finan&#269;n&uacute; podporu pre v&yacute;skum, autorstvo a\/alebo publik&aacute;ciu tohto &#269;l&aacute;nku.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#268;as&#357; tejto &scaron;t&uacute;die bola prezentovan&aacute; ako &uacute;stna abstraktn&aacute; prezent&aacute;cia na 22. v&yacute;ro&#269;nom kongrese ECVIM-CA v roku 2012 v holandskom Maastrichte<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Prijat&eacute;: 16. j&uacute;na 2016<\/p>\n\n\n\n<h2 class=\"lm-underscore wp-block-heading\">Referencie<\/h2>\n\n\n\n<figure class=\"wp-block-table is-style-stripes lm-small\"><table><tbody><tr><td>1.<\/td><td>Wolfe, RG, Griesemer, LA.&nbsp;Feline infectious peritonitis. 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The aim of this study was to evaluate the measurement of acute phase proteins (APP) as a diagnostic tool to distinguish between feline infectious peritonitis (FIP) and other diseases in cats with body cavity effusions.<\/p>","protected":false},"author":1,"featured_media":6476,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","footnotes":""},"categories":[187,190],"tags":[],"class_list":["post-6474","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-odborne","category-preklady"],"featured_image_urls_v2":{"full":["https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/protein-s-2xFHD.jpg",1920,741,false],"thumbnail":["https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/protein-s-2xFHD-150x150.jpg",150,150,true],"medium":["https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/protein-s-2xFHD-300x116.jpg",300,116,true],"medium_large":["https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/protein-s-2xFHD-768x296.jpg",525,202,true],"large":["https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/protein-s-2xFHD-1024x395.jpg",525,203,true],"1536x1536":["https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/protein-s-2xFHD-1536x593.jpg",1536,593,true],"2048x2048":["https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/protein-s-2xFHD.jpg",1920,741,false],"trp-custom-language-flag":["https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/protein-s-2xFHD-16x6.jpg",16,6,true],"twentyseventeen-featured-image":["https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/protein-s-2xFHD.jpg",1920,741,false],"twentyseventeen-thumbnail-avatar":["https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/protein-s-2xFHD-100x100.jpg",100,100,true],"woocommerce_thumbnail":["https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/protein-s-2xFHD-250x250.jpg",250,250,true],"woocommerce_single":["https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/protein-s-2xFHD-350x135.jpg",350,135,true],"woocommerce_gallery_thumbnail":["https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/protein-s-2xFHD-100x100.jpg",100,100,true]},"post_excerpt_stackable_v2":"<p>Katarina Hazuchova, Susanne Held, Reto Neiger ? Cie&#318;om tejto &scaron;t&uacute;die bolo vyhodnotenie merani prote&iacute;nov ak&uacute;tnej f&aacute;zy (APP) ako diagnostick&eacute;ho n&aacute;stroja na rozl&iacute;&scaron;enie medzi infek&#269;nou peritonit&iacute;dou ma&#269;iek (<a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemBody&gt;Infek&#269;n&aacute; peritonit&iacute;da ma&#269;iek (angl. Feline infectious peritonitis, zau&#382;&iacute;van&aacute; skratka FIP) je infek&#269;n&eacute; ochorenie ma&#269;iek sp&ocirc;sobuj&uacute;ce smr&#357;. N&aacute;zov je mierne zav&aacute;dzaj&uacute;ci, preto&#382;e nejde o z&aacute;pal pobru&scaron;nice (&#269;i&#382;e peritonea), ale o z&aacute;pal ciev (vaskulit&iacute;da). Klinick&eacute; pr&iacute;znaky FIP sa v&scaron;ak &#269;asto prejavuj&uacute; vo forme z&aacute;palu pobru&scaron;nice. V&iacute;rus FIP nap&aacute;da v&scaron;ak aj pohrudnicu &ndash; z toho d&ocirc;vodu je niekedy choroba ozna&#269;ovan&aacute; tie&#382; ako Infek&#269;n&aacute; ma&#269;acia polyserozit&iacute;da (Feline infectious polyserositis).&lt;\/div&gt;\" href=\"https:\/\/www.fipwarriors.eu\/en\/glossary\/fip\/\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">FIP<\/a>) a in&yacute;mi ochoreniami u ma&#269;iek s v&yacute;potkami v telesnej dutine.<\/p>\n","category_list_v2":"<a href=\"https:\/\/www.fipwarriors.eu\/en\/category\/odborne\/\" rel=\"category tag\">Odborn\u00e9<\/a>, <a href=\"https:\/\/www.fipwarriors.eu\/en\/category\/preklady\/\" rel=\"category tag\">Preklady<\/a>","author_info_v2":{"name":"LM","url":"https:\/\/www.fipwarriors.eu\/en\/author\/starman\/"},"comments_num_v2":"0 comments","featured_image_src":"https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/protein-s-2xFHD.jpg","author_info":{"display_name":"L. M.","author_link":"https:\/\/www.fipwarriors.eu\/en\/author\/starman\/"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>U\u017eito\u010dnos\u0165 prote\u00ednov ak\u00fatnej f\u00e1zy pri rozli\u0161ovan\u00ed FIP od ostatn\u00fdch ochoren\u00ed u ma\u010diek s v\u00fdpotkom v telesnej dutine - FIP Warriors CZ\/SK \u00ae<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.fipwarriors.eu\/en\/proteiny-akutnej-fazy-fip-a-ine-choroby\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"U\u017eito\u010dnos\u0165 prote\u00ednov ak\u00fatnej f\u00e1zy pri rozli\u0161ovan\u00ed FIP od ostatn\u00fdch ochoren\u00ed u ma\u010diek s v\u00fdpotkom v telesnej dutine - FIP Warriors CZ\/SK \u00ae\" \/>\n<meta property=\"og:description\" content=\"Katarina Hazuchova, Susanne Held, Reto Neiger ? Cie&#318;om tejto &scaron;t&uacute;die bolo vyhodnotenie merani prote&iacute;nov ak&uacute;tnej f&aacute;zy (APP) ako diagnostick&eacute;ho n&aacute;stroja na rozl&iacute;&scaron;enie medzi infek&#269;nou peritonit&iacute;dou ma&#269;iek (FIP) a in&yacute;mi ochoreniami u ma&#269;iek s v&yacute;potkami v telesnej dutine.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.fipwarriors.eu\/en\/proteiny-akutnej-fazy-fip-a-ine-choroby\/\" \/>\n<meta property=\"og:site_name\" content=\"FIP Warriors CZ\/SK \u00ae\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/groups\/fipczsk\" \/>\n<meta property=\"article:published_time\" content=\"2016-07-18T21:16:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-03-29T07:50:29+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.fipwarriors.eu\/wp-content\/uploads\/2021\/03\/protein-s-2xFHD.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"741\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"L. 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