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Significance of left ventricular wall stress in infants with atrioventricular septal defect, common atrioventricular orifice and regurgitation across the left atrioventricular valve

Published online by Cambridge University Press:  19 August 2008

Masahi Seguchi ,
Makoto Nakazawa ,
Kataro Oyama ,
Masa-aki Kawada ,
Hiromi Kurosawa  and
Yasuharu Imai
Masahi Seguchi
Affiliation:
From the Departments of Pediatric Cardiology and Pediatric Cardiovascular Surgery, Heart Institute of Japan, Tokyo Women's Medical College, Tokyo, Japan
Makoto Nakazawa*
Affiliation:
From the Departments of Pediatric Cardiology and Pediatric Cardiovascular Surgery, Heart Institute of Japan, Tokyo Women's Medical College, Tokyo, Japan
Kataro Oyama
Affiliation:
From the Departments of Pediatric Cardiology and Pediatric Cardiovascular Surgery, Heart Institute of Japan, Tokyo Women's Medical College, Tokyo, Japan
Masa-aki Kawada
Affiliation:
From the Departments of Pediatric Cardiology and Pediatric Cardiovascular Surgery, Heart Institute of Japan, Tokyo Women's Medical College, Tokyo, Japan
Hiromi Kurosawa
Affiliation:
From the Departments of Pediatric Cardiology and Pediatric Cardiovascular Surgery, Heart Institute of Japan, Tokyo Women's Medical College, Tokyo, Japan
Yasuharu Imai
Affiliation:
From the Departments of Pediatric Cardiology and Pediatric Cardiovascular Surgery, Heart Institute of Japan, Tokyo Women's Medical College, Tokyo, Japan
*
Dr. Makoto Nakazawa, Department of Pediatric Cardiology, Heart Institute of Japan, Tokyo Women's Medical College, 8-1 Kawada-cho, Shinjuku-ku, Tokyo 162, Japan
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Summary

The outcome of primary repair in young infants having atrioventricular septal defect with a common atrioventricular orifice and regurgitation across the left atrioventricular valve is not yet satisfactory. We studied the significance of the characteristics of left ventricular volume and mass and the predicted wall stress for the outcome of repair in 13 infants with this lesion. Three patients died of left heart failure after operation, although neither residual shunting at ventricular level nor regurgitation across the left atrioventricular valve was present. End-diastolic volume and ejection fraction of the left ventricle were 228 ±66% and 0.65 ±0.06 of normal, respectively, with no difference between the survivors and non-survivors. End-diastolic thickness of the posterior ventricular wall, determined by echocardiogram, was within normal range for body size in all patients.

Type
The World Forum for Pediatric Cardiology Symposium on Atrioventricular Septal Defect
Information
Cardiology in the Young , Volume 1 , Issue 4 , October 1991 , pp. 390 - 395
Copyright
Copyright © Cambridge University Press 1991

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