<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>
: g c2 [3 m4 _6 |+ ^$ g6 ~<P>这是10月17日查的B超结果:</P>
1 Z, d$ X* G: W# j<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>+ {5 D: p+ R; U# w, |2 t6 [
<P><FONT face="Times New Roman"> LVDs 1.78 LVPWs 0.66 LA 1.81</FONT></P>
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. [5 a/ W+ C- X5 }. a<P>心功能<FONT face="Times New Roman"> </FONT>:<FONT face="Times New Roman"> LVEF 61.6% LVFS 31.5%</FONT></P>4 S% x$ `/ p+ S2 A2 @
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<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>! s8 n; t/ @0 c! P5 T9 [( n
<P><FONT face="Times New Roman"> MV 1.2 TV 1.1</FONT></P>8 a5 E: g% U( C1 `1 }
<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>; y% |8 d1 n2 L; c8 j. }. n
<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>% j# y! A: C2 a) a
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4 s, p3 b5 T6 a* z) x3 l& v/ r<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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. e9 y5 {7 P% S p; `% {( \<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>
5 M$ W/ i6 P. E; i* d! M$ |" N<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>
6 g5 q% g( M$ ^) I* v<P> 2。缺损较大,需要手术治疗,但手术时机何时为好?</P>
" s0 Q0 M k6 \6 |: J. l7 v( `<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>
8 e& o6 a+ u- N" | L<P> 4。诊断中肺动脉血流层流是什么意思?</P>
: F# |* _4 M# K% L: @6 l+ s0 [$ T<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>2 K( d. [4 i+ }
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