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European Journal of Cardio-Thoracic Surgery, Vol 11, 1030-1036, Copyright © 1997 by European Association for Cardio-thoracic Surgery

ARTICLES

Medium term results of direct bronchial arterial revascularisation using IMA for single lung transplantation (SLT with direct revascularisation)

M Yacoub, KM Al-Kattan, S Tadjkarimi, T Eren and A Khaghani
Harefield Hospital, Middlesex, United Kingdom.

OBJECTIVE: To describe a technique of direct revascularisation of the bronchial artery using the left IMA and assess its medium term results in patients undergoing left single lung transplant (SLT). METHODS: Between March 1991 and September 1993, 22 patients who underwent direct bronchial revascularisation at the time of left SLT (20 pedicled IMA, one free IMA, and one direct anastomosis to the aorta) have been followed up for a minimum period of 1 year (mean 30 +/- 12 months). Their mean age was 47.8 +/- 9.6 and the original disease was emphysema in 19, lymphangioleiomyomatosis in two, and pulmonary fibrosis in one. The mean ischaemia time was 269.7 +/- 23.4 min. RESULTS: There was one early death (4.5%) and 3 patients were re-explored for bleeding. The actuarial survival at 1 and 3 years was 91 +/- 0.4% and 82.6 +/- 1%, respectively. Bronchial healing was excellent in all patients and angiographic studies showed patent vascular anastomosis in all 22 patients, with good run off in 20 and poor in two. One patient developed clinical obliterative bronchiolitis at 22 months (4.5%) during a period of follow up varying from 12 to 43 months (mean 30 S.D. 12). At last follow up the mean FEV1 was 1.4 +/- 0.4 and the mean FVC was 2.2 +/- 0.6. On average, each patient developed 1.5 +/- 0.6 infection episodes and 1 +/- 0.2 acute lung rejection. CONCLUSION: It is concluded that the medium term results of direct bronchial revascularisation are good. However the influence of this procedure on long term results needs further investigation.

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