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J Thorac Cardiovasc Surg 1996;112:1292-1300
© 1996 Mosby, Inc.

CARDIAC AND PULMONARY REPLACEMENT

INTERMEDIATE-TERM RESULTS AFTER EN BLOC DOUBLE-LUNG TRANSPLANTATION WITH BRONCHIAL ARTERIAL REVASCULARIZATION

Received for publication May 6, 1996 Revisions requested June 17, 1996; revisions received July 17, 1996 Accepted for publication July 22, 1996. Address for reprints: Eugene M. Baudet, MD, Department of Cardiovascular and Pediatric Cardiac Surgery, Bordeaux Heart Hospital, 5 avenue de Magellan, 33604 Bordeaux-Pessac, France.

Abstract

Objective: Between May 1990 and January 1994, 18 patients underwent en bloc double-lung transplantation with tracheal anastomosis and bronchial arterial revascularization. Because at that time it was already suggested that chronic ischemia could be a contributing factor in occurrence of obliterative bronchiolitis, the purpose of this study was to evaluate, with a follow-up ranging from 22 to 69 months, the midterm effects of bronchial arterial revascularization on development of obliterative bronchiolitis. Results: Results were assessed according to tracheal healing, functional results, rejection, infection, and incidence of obliterative bronchiolitis. There were no intraoperative deaths or reexplorations for bleeding related to bronchial arterial revascularization, but there were three hospital deaths and five late deaths, two of them related to obliterative bronchiolitis. According to the criteria previously defined, tracheal healing was assessed as grade I, IIa, or IIb in 17 patients and grade IIIa in only one patient. Early angiography (postoperative days 20 to 40) demonstrated a patent graft in 11 of the 14 patients in whom follow-up information was obtained. Ten patients are currently alive with a 43-month mean follow-up. Among the 15 patients surviving more than 1 year, functional results have been excellent except in five in whom obliterative bronchiolitis has developed and who had an early or late graft thrombosis. Furthermore, those patients had a significantly higher incidence of late acute rejection (p < 0.02), cytomegalovirus disease (p < 0.006), and bronchitis episodes (p < 0.0008) than patients free from obliterative bronchiolitis. Conclusion: We conclude that besides its immediate beneficial effect on tracheal healing, long-lasting revascularization was, at least in this small series, associated with an absence of obliterative bronchiolitis, thus suggesting but not yet proving the possible role of chronic ischemia in this multifactorial disease. (J THORAC CARDIOVASC SURG 1996;112:1292-300)

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