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猫伝染性腹膜炎

14,182 バイト追加2014年12月17日 (水) 17:42
ページの作成:「== 猫伝染性腹膜炎と猫腸コロナウイルス感染症 == 本ページでは猫腸コロナウイルス感染症とFIPを同じページに記載する。 <html>...」
== 猫伝染性腹膜炎と猫腸コロナウイルス感染症 ==
本ページでは猫腸コロナウイルス感染症とFIPを同じページに記載する。
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<p class="p1"><br></p>
<table cellspacing="0" cellpadding="0" class="t1">
<tbody>
<tr>
<td valign="middle" class="td1">
<p class="p2"><span class="s1"><b>病名</b></span></p>
</td>
<td valign="middle" class="td2">
<p class="p2"><span class="s1"><b>原因</b></span></p>
</td>
<td valign="middle" class="td3">
<p class="p2"><span class="s1"><b>伝播・疫学</b></span></p>
</td>
<td valign="middle" class="td4">
<p class="p2"><span class="s1"><b>症状(臨床・病理)</b></span></p>
</td>
<td valign="middle" class="td5">
<p class="p2"><span class="s1"><b>診断・類症鑑別</b></span></p>
</td>
<td valign="middle" class="td6">
<p class="p2"><span class="s1"><b>予防・治療</b></span></p>
</td>
<td valign="middle" class="td7">
<p class="p2"><span class="s1"><b>重要事項</b></span></p>
</td>
<td valign="middle" class="td8">
<p class="p2"><span class="s1"><b>その他メモ</b></span></p>
</td>
</tr>
<tr>
<td rowspan="3" valign="middle" class="td9">
<p class="p3"><span class="s1"><b>和名:</b></span></p>
<p class="p3"><span class="s1"><b>猫伝染性腹膜炎(FIP)/猫腸コロナウイルス感染症</b></span></p>
</td>
<td rowspan="3" valign="top" class="td10">
<p class="p4"><span class="s1">和名:</span></p>
<p class="p4"><span class="s1"><b>猫伝染性腹膜炎ウイルス(FIPV)</b></span></p>
<p class="p4"><span class="s1">および</span></p>
<p class="p4"><span class="s1"><b>猫腸コロナウイルス(FECV)</b></span></p>
<p class="p4"><span class="s1">それぞれ I 型と II 型の血清型があるが,両ウイルスを血清学的に識別するのは困難。</span></p>
<p class="p4"><span class="s1">FIPVは猫腸コロナウイルス(FECV)が体内で突然変異して出現</span></p>
</td>
<td valign="top" class="td11">
<p class="p4"><span class="s1">感染様式:</span></p>
<p class="p4"><span class="s1">糞・尿→エアロゾル→経口・経鼻感染</span></p>
<p class="p4"><span class="s1">無症状感染・軽度発症(発熱・下痢)で回復が多い。</span></p>
<p class="p4"><span class="s1">ウイルス→粘膜上皮→マクロファージ→全身</span></p>
<p class="p4"><span class="s1">抗体媒介性感染増殖</span></p>
<p class="p4"><span class="s1">免疫複合体介在性疾患</span></p>
<p class="p4"><span class="s1">FIPVは糞尿,口腔および鼻腔分泌物に排泄,FECVは主に糞便中に排泄。経口および経鼻で感染</span></p>
</td>
<td valign="top" class="td12">
<p class="p4"><span class="s1">臨床:</span></p>
<p class="p4"><span class="s1"><b>FIPV</b>:発熱,食欲不振,嘔吐,下痢などの初期症状</span></p>
<p class="p4"><span class="s1"><b>FECV</b>:軽微な腸炎もしくは無症状</span></p>
</td>
<td rowspan="2" valign="top" class="td13">
<p class="p4"><span class="s1">診断:</span></p>
<p class="p4"><span class="s1">I 型のFIPVとFECVは培養細胞での分離が可能だが,I 型ウイルスは非常に困難。</span></p>
<p class="p4"><span class="s1">RT-PCRによる遺伝子検出。</span></p>
</td>
<td rowspan="3" valign="top" class="td14">
<p class="p4"><span class="s1">予防:</span></p>
<p class="p4"><span class="s1">生ワクチンが米国で開発されているが,日本では使用されていない。</span></p>
</td>
<td rowspan="4" valign="top" class="td15">
<p class="p4"><span class="s1">1.猫伝染性腹膜炎は免疫複合体介在性血管炎を特徴とする予後不良の慢性・進行性疾患</span></p>
<p class="p4"><span class="s1">2.病原性の弱い猫腸コロナウイルスも存在し,猫伝染性腹膜炎の病原診断および血清診断は困難</span></p>
</td>
<td rowspan="4" valign="top" class="td16">
<p class="p4"><span class="s1">予後:腹膜炎発症猫の予後は不良</span></p>
</td>
</tr>
<tr>
<td valign="top" class="td17">
<p class="p4"><span class="s1">世界:</span></p>
<p class="p4"><span class="s1">世界各地</span></p>
</td>
<td valign="top" class="td18">
<p class="p4"><span class="s1">滲出型:</span></p>
<p class="p4"><span class="s1">腹・胸水の貯留</span></p>
</td>
</tr>
<tr>
<td valign="top" class="td19">
<p class="p4"><span class="s1">日本:</span></p>
<p class="p4"><span class="s1">あり</span></p>
</td>
<td valign="top" class="td20">
<p class="p4"><span class="s1">非滲出型:</span></p>
<p class="p4"><span class="s1">各種臓器に多発性化膿性肉芽腫形成に伴う発熱,体重減少など</span></p>
</td>
<td valign="top" class="td21">
<p class="p4"><span class="s1">血清学的診断:</span></p>
<p class="p4"><span class="s1">抗体検査ではFIPVとFECVの区別はできない。</span></p>
<p class="p4"><span class="s1">陰性ならFIP発症の否定的材料。FIPではγ-グロブリンの激増。</span></p>
</td>
</tr>
<tr>
<td valign="middle" class="td22">
<p class="p3"><span class="s1"><b>英名:</b></span></p>
<p class="p3"><span class="s1"><b>feline infectious peritonitis(FIP)/ feline enteric coronavirus infection</b></span></p>
</td>
<td valign="top" class="td23">
<p class="p4"><span class="s1">英名:</span></p>
<p class="p4"><span class="s1">Coronaviridae Coronavirus(FIPV)</span></p>
</td>
<td valign="top" class="td24">
<p class="p4"><span class="s1">宿主:</span></p>
<p class="p4"><span class="s1">猫とその他の猫科動物</span></p>
</td>
<td valign="top" class="td25">
<p class="p4"><span class="s1">病理:</span></p>
<p class="p4"><span class="s1"><b>滲出型</b>:線維素性腹膜炎</span></p>
<p class="p4"><span class="s1"><b>非滲出型</b>:諸臓器と中枢神経系に灰白色結節</span></p>
</td>
<td valign="top" class="td26">
<p class="p4"><span class="s1">類症鑑別:</span></p>
</td>
<td valign="top" class="td27">
<p class="p4"><span class="s1">治療:</span></p>
<p class="p4"><span class="s1">FIP発症猫に有効な治療法はなし。</span></p>
</td>
</tr>
</tbody>
</table>
<p class="p5"><br></p>
</body>
</html>

== FIPの発症と免疫の関係 ==
{| class="wikitable"
|-
!症状タイプ !!液性免疫 !!細胞性免疫
|-
|滲出(しんしゅつ)型(ウェットタイプ) ||+ ||-
|-
|非滲出型(ドライタイプ)|| + ||+
|-
|無発症・無症状|| + ||++
|}
*進出タイプはマクロファージにFCレセプター介して侵入するがその時大量の炎症性サイトカインを放出

== FeCVとFIPVの違い ==
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