首页/ 题库 / [单选题]不是由主动脉瓣病变引起主动脉瓣关闭不全的的答案

不是由主动脉瓣病变引起主动脉瓣关闭不全的疾病是()

单选题
2021-12-23 21:39
A、感染性心内膜炎
B、风湿性心脏病
C、先天性二叶主动脉瓣
D、梅毒性主动脉炎
E、主动脉瓣黏液样变性
查看答案

正确答案
D

试题解析
主动脉瓣关闭不全由于主动脉瓣及(或)主动脉根部疾病所致。急性主动脉瓣关闭不全的原因有:①感染性心内膜炎致主动脉瓣瓣膜穿孔或瓣周脓肿;②创伤;③主动脉夹层;④人工瓣撕裂。慢性主动脉瓣关闭不全的原因有:(1)主动脉瓣疾病:①风心病;②感染性心内膜炎;③先天性畸形,包括二叶主动脉瓣和室间隔缺损;④主动脉瓣黏液样变性;⑤强直性脊柱炎。(2)主动脉根部扩张:①梅毒性主动脉炎;②马方综合征;③强直性脊柱炎;④特发性升主动脉扩张;⑤严重高血压和(或)动脉粥样硬化导致升主动脉瘤。主动脉炎导致主动脉根部扩张,30%发生主动脉瓣关闭不全。

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