小儿双腔右心室的诊断（附23例11临床分析）

DIAGNOSIS OF DOUBLE CHAMBERRIGHT VENTRICLE IN CHILDRENWITHCLINICAL ANALYSIS OF TWENTY THREECASES

总结１９９１年１月～１９９３年１２月，安贞医院小儿心脏科经手术证实的双腔右心室２３例，其中单纯型１例，复合型２２例。术前诊断符合率为９１．３％（２１／２３例），仅２例（占８．７％）误诊。认为对超声心动图诊断室间隔缺损的患儿，如有以下临床特征：（１）胸骨左上缘有收缩期震颤及杂音；（２）肺动脉瓣第二心音减弱；（３）胸部Ｘ线检查肺动脉段凹陷；（４）心电图Ｔｖ＿１、Ｔｖ＿（３Ｒ）直立（占８２．６％）。再配合重复细致地超声心动图检查。

AbstractDouble chamber right ventricle(DCRV)is an uncomrnon congenatil heart disease. There were 23 casesbelow 14 years old, proved by operation from January1991 to December 1992 in Pediatric Cardiology Department. One case was of simple type and the other twenty two were complex type. Only two cases were not di-agnosed before operation (8.7%),which was muchlower than the other reports. From the clinical poin tof view , the following features are important: (1)sys-tolic murmur with thrill over the high left sternal bor-der; (2)diminished second heart sound over the pul-monary area : (3)concave pulmonary segment in CXR,(4)positive Tv_1 Tv_(3R), (82.6%)in EKG. Comibina-tions of the clinical findings and expert UCf, examinna-tion are the key points to make the diagnosis