| Studies on Type of Ventricular Septal Defect of Tetralogy of Fallot and its Clinical Significance. |
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Myung Kul Yum1, Hee Shang Youn1, Heung Jae Lee2 |
1Department of Pediatrics, College of Medicine, Kyungsang National University, Jinju, Korea
2Department of Pediatrics, Sejong General Hospital, Pucheon, Korea |
| 활로사징의 심실중격결손의 형태학적 분류 및
그 임상적 의의에 대한 연구 |
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염명걸1, 윤희상1, 이흥재2 |
1경상대학교 의과대학 소아과학교실
2부천 세종병원 소아과 |
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Received: 16 August 1988 • Accepted: 26 September 1988 |
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| Abstract |
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To assess the VSD type of TOF and relationship between VSD type of TOF and pulmonary valve
stenosis, small pulmonary valve annulus, and pulmonary artery anomaly, we analyzed 256 cases of
surgically confirmed TOF patients. The summary of observation is as follows;
1) Four tytes of VSDs were found. The most frequent is perimembranous (PM) VSD of which
incidence is 75.7% (159/210), second most frequent case is muscular infundibular (MI) VSD of which
incidence is 13.3% (28/210), the third is subarterial (SA) VSD of which incidence is 6.2% (13/210), and
the fourth is perimembranous to subarterial (PM-SA) VSD of which incidence is 4.8% (10/210)
2) Twenty three patients (10.9%; 23/ 210) had subarterial ventricular septal defects (SA+PM-SA) of
which incidence in our study is significantly higher than that of studies in western countries (5.5%),
but no case of aortic insufficiency, which is commonly found in subarterial VSD in isolated VSD, was
found in subarterial type of Tetralogy of Fallot.
3) The incidence of pulmonary valve stenosis (100%) is significantly higher in subarterial VSD
(SA+PM-SA) (p<0.05) and the incidence of pulmonary artery anomaly (8. 7%) is much lower than
that of other two types (22.5% ) but this difference is not stastically significant (0. 05
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| Key Words:
TOF, VSD classification |
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