Thorac Cardiovasc Surg 1984; 32(2): 89-91
DOI: 10.1055/s-2007-1023355
© Georg Thieme Verlag Stuttgart · New York

Early and Late Results Following Repair of Partial Atrioventricular (AV) Canal*

A. K. Singh, R. D. Corwin, G. N. Cooper Jr. , K. E. Karlson
  • Division of Thoracic Surgery and Pediatric Cardiology, Rhode Island Hospital, Brown University, Providence, USA
*Paper presented at the XVI World Congress of the International Society for Cardiovascular Surgery, Rio de Janeiro, Brazil, September 1983
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19. März 2008 (online)


Since 1961, 35 patients have undergone correction of partial AV canal. The mean age was 9.8 years (2 to 56 years). At cardiac catheterization, the ratio of pulmonary to systemic blood flow was > 2.5 : 1 in 26 patients (74%) while pulmonary artery pressure was > 30mmHg in 18 patients (51 %). Mitral regurgitation was mild in 14 patients, moderate in 8 and severe in 3. The defect was closed with a patch in all patients. Mitral valvuloplasty was performed in 23 patients (68%) and no patient required valve replacement. There were no hospital or late deaths. Postoperatively, 22 patients were asymptomatic (NYHA I) while 13 were class II. There was no progression of mitral regurgitation in 8 years mean follow-up.