迄今为止,狗最常见的心脏病(占病例的 75% 至 80%)是“退行性二尖瓣疾病 »(MVD)。
这是一种影响二尖瓣的疾病,二尖瓣是位于左心、心房和心室之间的“瓣膜”。这种瓣膜的组织会随着年龄的增长而退化,逐渐变厚,失去弹性,无法再紧密关闭。这种关闭失败会导致心脏内血流异常,我们称之为二尖瓣“渗漏”或“反流”。
当病情恶化时,连接瓣膜和左心室的小绳索可能会断裂;这种并发症会导致肺水肿和其他不利于狗生命的并发症。
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