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European Journal of Cardio-Thoracic Surgery, Vol 11, 682-686, Copyright © 1997 by European Association for Cardio-thoracic Surgery

ARTICLES

Is the arterial switch operation still a challenge in small centers?

S Conte, JR Jacobsen, T Jensen, PB Hansen, M Helvind, P Lauridsen, G Stafanger and G Pettersson
Department of Cardiothoracic Surgery, National University Hospital Rigshospitalet, Copenhagen, Denmark.

OBJECTIVE: In the last years, major changes as regards timing for operation, surgical technique, and perioperative care determined a great improvement in the arterial switch operation (ASO) allowing excellent mid-term results in a few leading centers. This stimulated the widespread adoption of ASO as procedure of choice for transposition of the great arteries (TGA), even in small institutions. We reviewed our early experience with ASO in an attempt to evaluate its safety in a small center. METHODS: Since April 1992, 39 consecutive patients underwent TGA repair by ASO in our department. There were 27 patients with simple TGA, 8 with TGA and VSD and 4 with Taussig-Bing heart and aortic coarctation. Median age and weight at operation were 7 days and 3.5 kg, respectively. Neonatal repair was performed in 34 patients. In accordance with the Planche coronary classification, type I was encountered in 21 patients, type II in 4 and type III in 14. Several modifications of the original technique were used, mainly regarding coronary relocation, pulmonary artery reconstruction and approaches for associated VSD closure and aortic arch repair. RESULTS: Early mortality was 2.6% (n = 1), the only operative death being related to unsatisfactory coronary relocation. Since modified ultrafiltration was adopted, mean ICU stay decreased from 5 +/- 4 days (n = 21) to 2 +/- 1 days (n = 17) (P < 0.05). Three patients required reoperation for residual ASD and/or VSD closure. There were no late deaths. After a mean follow-up of 26 +/- 15 months all survivors are thriving and are currently asymptomatic. CONCLUSIONS: Although this series is rather small, most of the major coronary anomalies and complex anatomic associations were encountered. This experience suggests that neonatal repair of TGA by ASO can be safely accomplished even in small centers. Modified ultrafiltration appears to improve the early outcome of neonates undergoing ASO.

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				S. T. Verghese Modified Ultrafiltration in Children Seminars in Cardiothoracic and Vascular Anesthesia, March 1, 2001; 5(1): 98 - 104. [Abstract] [PDF]