<P>患儿,男,44天。产后第六天被查出患有先心。出生体重3750克,现在体重约5200克,平时吃奶及大小便情况良好,睡眠欠佳。无吃奶时喘气等现象。</P>& t8 a8 y2 n/ r) V4 c2 i& j
<P>这是10月17日查的B超结果:</P>* C8 p$ H& K8 L6 D* o4 P
<P><FONT face="Times New Roman">M</FONT>型超声心动图:<FONT face="Times New Roman">LVDd 2.60 LVPWd 0.29 Ao 1.65</FONT></P>) G1 Q- S. E7 b- x- ?: J
<P><FONT face="Times New Roman"> LVDs 1.78 LVPWs 0.66 LA 1.81</FONT></P>
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3 o7 b% z. f2 j<P>心功能<FONT face="Times New Roman"> </FONT>:<FONT face="Times New Roman"> LVEF 61.6% LVFS 31.5%</FONT></P>
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- s7 I9 d @1 m<P>频谱多普勒超声<FONT face="Times New Roman"> </FONT>:<FONT face="Times New Roman">AAo 1.0 DAo 1.0 RVOT 1.8 MPA 2.5</FONT></P>
/ C) F' L6 h- E3 T* Z: B" Z: H<P><FONT face="Times New Roman"> MV 1.2 TV 1.1</FONT></P>, n7 k' V5 h6 V% l q- r
<P><FONT face="Times New Roman">彩色多普勒超声:MR阴性 AI阴性 TR轻微 PI轻度 </FONT></P>
3 ~6 `$ I) f! i+ l# n1 f, }<P><FONT face="Times New Roman"> 心房水平左向右分流 心室水平双向分流 大动脉水平无分流</FONT></P>, ?# G3 B6 i3 g1 Q t ~8 w. E
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<P>超声所见:心脏位置及连连接接正常,右房、右室腔增大,左心室收缩活动正常。主动脉无增宽。肺动脉稍增宽,瓣膜开放活动正常;右心室流出道血流<FONT face="Times New Roman">1</FONT>。<FONT face="Times New Roman">8m/s</FONT>(层流),肺动脉前向血流<FONT face="Times New Roman">2</FONT>。<FONT face="Times New Roman">5m/s</FONT>(层流),流速增快;肺动脉瓣轻度反流,反流速<FONT face="Times New Roman">3</FONT>。<FONT face="Times New Roman">22m/s</FONT>,压差<FONT face="Times New Roman">41</FONT>。<FONT face="Times New Roman">5mmHg.</FONT>房间隔缺损<FONT face="Times New Roman">0</FONT>。<FONT face="Times New Roman">44cm</FONT>,继发型,左向右分流。室间隔缺损(膜周融合型)<FONT face="Times New Roman">0</FONT>。<FONT face="Times New Roman">98cm ,</FONT>双向分流,左向右为主。左位动脉弓,未见动脉导管开放。</P>
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% x' o- O/ v& g; |2 N- n) L<P>诊断:室间隔缺损<FONT face="Times New Roman"> </FONT>房间隔缺损<FONT face="Times New Roman"> </FONT>肺动脉高压<FONT face="Times New Roman"> </FONT>肺动脉血流<FONT face="Times New Roman">2</FONT>。<FONT face="Times New Roman">5m/s</FONT>(层流)</P>
S4 d4 a% N, |' A4 d i<P>问题:1。肺动脉高压到底是生理性的还是病理所致,问过好几个医生,说法不一!</P>; Q2 t8 Z, p q' Z" @& K, v
<P> 2。缺损较大,需要手术治疗,但手术时机何时为好?</P>( w4 D- h6 }$ J; S( l9 H
<P> 3。现心脏已出现轻度的器质性病变,手术后病变能消除吗?</P>; N. r9 n) {5 z9 i, D
<P> 4。诊断中肺动脉血流层流是什么意思?</P>
+ H8 R$ Q. m# {5 b<P> 5。室间隔的双向分流及肺动脉瓣轻度返流都是肺高压的结果吗?</P>
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