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European Journal of Cardio-Thoracic Surgery, Vol 11, 105-111, Copyright © 1997 by European Association for Cardio-thoracic Surgery

ARTICLES

Pulmonary artery banding: adequacy and long-term outcome

P Pinho, UO Von Oppell, J Brink and J Hewitson
Department of Cardiothoracic Surgery, School of Medicine, University of Cape Town, South Africa.

OBJECTIVE: Pulmonary artery banding remains a palliative option for patients with congenital heart disease and excessive pulmonary blood flow, if there is unfavourable anatomy or frail condition. In contrast to more developed countries, our patients at Red Cross Children's Hospital, Cape Town, often present to medical services late and in poor nutritional condition. We retrospectively reviewed patients undergoing pulmonary artery banding to determine major variables that influenced long-term outcome. METHODS: In a 10-year period ending June 1992, 135 consecutive patients underwent pulmonary artery banding; 89 with ventricular septal defect type non-mixing disorders, and 46 with mixing or complex disorders. The median age was 3.0 months and weight 3.5 kg with 74.8% of patients weighing less than the third percentile (NCHS adapted), and 39.3% had an additional serious medical illness. RESULTS: Pulmonary banding mortality was 8.1%, and was higher in neonates (22.2%), P = 0.04) but was not related to congenital disorder, associated medical illness, or associated coarctation or interrupted aortic arch. The pulmonary band was inadequate at follow-up in 28.9%, which occurred more commonly if banding was necessary before 3 months of age (41.5%, P = 0.003) but was not related to weight, congenital disorder or associated respiratory infection. Sixty patients (44.4%) have now proceeded to definitive repair with a mortality of 23.3%, which was increased if the pulmonary band was inadequate at the time of definitive repair (44.4%: P = 0.02), but was not related to the congenital disorder. CONCLUSIONS: An inadequate pulmonary artery band adversely affects outcome and demands further aggressive management prior to definitive repair.