Surgical treatment of transposition of the great arteries.
1999
BACKGROUND: With regard to risk of the failure of systemic right ventricle after physiological correction of transposition of great arteries, anatomic repair is a current method of choice. OBJECTIVE OF STUDY: Analysis of results of surgical correction of transposition of great arteries performed between 1992 and October 1998. METHOD: A total of 111 patients were operated on for transposition of the great arteries. In the 1st group of patients (n = 21, mean age was 135 +/- 55 days), physiological correction according to Senning was performed. Patients of the 2nd group (n = 90, mean age was 15.4 +/- 21.6 days) underwent anatomic repair. RESULTS: Early mortality was 6% (7 patients). Mean follow-up is 2.95 years (1.9 SD) ranging from 0.2 years to 6.1 years. Actuarial 1-month survival in the whole cohort (n = 111) is 94%, and it remains unchanged at 1, 2, 3, 4, 5, and 6 years of follow-up. Patients, who underwent surgery after 1997, show significantly better survival compared to those operated before 1997 (p = 0.0997). Thus, a date of operation (before 1997) is the only significant risk factor for death. Survival in patients operated after 1997 (n = 40) is 98%. All patients belonging to the 2nd group are in functional group NYHA 1. CONCLUSION: Anatomic repair of transposition of the great arteries is a method of choice for treatment of this congenital heart defect. Left ventricle becomes systemic ventricle, which is essential in view of long-term performance. Psychomotor development of children, who underwent ASO, is comparable with that of healthy population. (Tab. 3, Fig. 3, Ref. 18.)
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