Persistent truncus arteriosus--an autopsy study of 16 cases.
Sixteen specimens of heart with persistent truncus arteriosus were studied to evaluate the anatomic features. Using the Collet and Edwards classification, type I truncus arteriosus was the most frequent (62.5%). Using Van Praagh's classification type A1 was the most common (43.7%). There were two cases which could not be classified according to the Collet and Edwards classification. The truncal valve was tricuspid in 75% of the cases and bicuspid in the remaining 25%. In all 6 cases with interruption of the aorta, the truncal valve was committed to the right ventricle. The ventricular septal defect was subtruncal in all except 1 case. There was variation in the thickness of the posterior limb of the septal band and the ventriculo-infundibular fold. Absence of the ventriculo-infundibular fold in 3 cases led to truncal tricuspid continuity. Right-sided aortic arch and interruption of the aorta were frequently associated arch anomalies.
Deshpande
J
J
Department of Pathology, Seth G.S. Medical College, Parel, Bombay, India.
Desai
M
M
Kinare
S
S
D000015:Abnormalities, Multiple / Q000145:classification / Q000453:epidemiology / Q000473:pathology; D000293:Adolescent; D000328:Adult; D001344:Autopsy; D002648:Child; D005260:Female; D006785:Hospitals, University; D006801:Humans; D007194:India / Q000453:epidemiology; D007223:Infant; D008297:Male; D014339:Truncus Arteriosus, Persistent / Q000145:classification / Q000453:epidemiology / Q000473:pathology*