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KMID : 0364019960290090945
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Korean Journal of Thoracic and Cardiovascular Surgery
1996 Volume.29 No. 9 p.945 ~ p.950
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Surgical Treatment of Left Ventricular-Right Atrial Shunt
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이응배
김덕실/허동명/전상푼/장봉현/이종태/김규태
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Abstract
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Twelve patients with left ventricular-right atrial shunt(LV-RA shunt) underwent surgical correction between April 1982 and March 1995. Seven patients were male and five patients were female. Age ranged from 3 to 26 years with mean age of 8.5
years.
On
the preoperative chest PA views, increased pulmonary vascularity was noted in 3 cases and enlargement of right atrium in 4 cases. The mean preoperative cardiothoracic ratio was 0.59. Echocardiographic studies were obtained in 9 patients and the
preoperative exhocardiographic diagnoses were LV-RA shunt in 2 cases, ventricular septal defect(VSD) in 6 cases, and atrial septal defect(ASD) in l case. The preoperative angiographic diagnoses which were obtained in all patients were LV-RA shunt
in 5
cases, VSD in 5 cases, ASD in l case, and VSD with ASD in l case. The descriptions of defect of LV-RA shunt according to intraoperative findings were supravalvular defect in 5 cases(42%), infravalvular defect in 4 cases(33%), and combined defect
in
3
cases(25%). Associated anomalies of tricuspid valve in 4 cases of infravalvular defect were perforation (3 cases)and cleft(l case). Primary closure of the septal defect was performed through the right atriotomy in all but one patient. There was
no
operative death. One patient underwent reoperation because of the residual interventricular shunt. All patients have been in good condition.
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