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Eur J Cardiothorac Surg 2000;18:68-73
© 2000 Elsevier Science NL
a Department of Cardio-thoracic Surgery, German Heart Centre at the Technical University, Lazarettstrasse 36, 80636 Munich, Germany
b Department of Paediatric Cardiology, German Heart Centre at the Technical University, Lazarettstrasse 36, 80636 Munich, Germany
Received 6 September 1999; received in revised form 7 March 2000; accepted 29 March 2000.
Corresponding author. Tel.: +49-89-12184111; fax: +49-89-12184113
schreiber{at}dhm.mhn.de
Objective: To identify predictors of early and late outcomes of common arterial trunk (CAT) after primary surgical correction, such as clinical state prior to surgery, age and weight at presentation, implications of truncal valve abnormalities and associated anomalies of this complex congenital malformation. Methods: A consecutive series of 106 patients, operated between 1976 and 1998, were reviewed retrospectively. Using the ‘Van Praagh’ classification, 59 patients presented as A1, 33 as A2, six as A3, and eight as A4. The mean age at operation was 8.6 months (range, 14 days–8.9 years; median, 4.4 months), and the mean weight was 5.2 kg (range, 2.5–30.8 kg; median, 4.4 kg). At the time of operation, 32 patients had congestive heart failure, five were on ventilator support for less than 1 week, and 21 for more than 1 week. Results: Between 1976 and 1989, the early mortality was 21%, and between 1990 and 1998, it dropped to 13%. After 1, 10 and 15 years, the overall survival was 66, 61 and 59%. The 1, 5, 10 and 15 year freedom from reoperation was 82, 60, 22 and 10%, respectively. Clinical condition prior to intervention, truncal valvar dysfunction, and coronary anomalies were significantly associated with poor surgical outcome, whereas weight and age at presentation in our series were not. Conclusions: In the current era of paediatric cardiac surgery, primary surgical repair of CAT can be carried out with reasonable early and late mortality. However, our data suggest that a high incidence of reoperation, mainly due to the outgrowth and failure of the conduit, has to be expected. The patient's clinical state after diagnosis is decisive for the timing of intervention.
Key Words: Common arterial trunk • Truncus arteriosus communis • Truncal valve • Primary surgical repair
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