法乐四联症是常见的先天性心脏血管畸形,在紫绀型先天性心脏病中居首位。本病的病理解剖特征有四点:①肺动脉狭窄,②心室间隔缺损,③升主动脉开口向右侧偏移和④右心室向心性肥厚。1944年BlaloCk和Taussig认识到四联症的主要病理生理改变是肺循环血流量不足,动脉血氧含量降低,导致紫绀和死亡。并据此创用锁骨下动脉肺动脉分流术,以增多肺循环血流量,改善血缺氧。继而Potts,Glenn,Waterston等又先后在临床上开展各种体肺分流术。1948年Brock和Sellors对...
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https://www.120ask.com/question/91415140.htm2009-06-06 17:44:51问题描述:法洛四联症.动脉导管未闭.卵圆孔未闭.
2009-10-26 21:09:41主要症状:
发病时间:
化验检查结果:法洛四联症矫治后肺动脉中大量返流
2021-09-05 11:06:59法洛四联症为什么肺动脉凹陷
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https://www.120ask.com/question/90972689.htm