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  • Title: Similarity of pulmonary rejection patterns among heart-lung and double-lung transplant recipients.
    Author: Keenan RJ, Bruzzone P, Paradis IL, Yousem SA, Dauber JH, Stuart RS, Griffith BP.
    Journal: Transplantation; 1991 Jan; 51(1):176-80. PubMed ID: 1987688.
    Abstract:
    The transbronchial biopsy and clinical courses of 9 double-lung and 1 single-lung recipients surviving greater than 10 days were analyzed and compared to those of 15 heart-lung transplants performed during the same time period. Of these, 8 isolated lung (LT) and 11 heart-lung transplant (HLT) recipients survived greater than 50 days and were at risk of developing obliterative bronchiolitis believed to be a form of chronic rejection. Cyclosporine-based immunosuppression, in combination with azathioprine and steroids, was used for 22 of 25 patients. Two double-lung recipients and 1 heart-lung patient received FK506 as the sole immunosuppressive agent; 90% and 62% of LT, and 67% and 54% of HLT recipients developed acute and chronic rejection, respectively (P = NS). The average time to first episode of acute (30.2 days [LT] versus 21.5 days [HLT]) and chronic rejection (146 days [LT] versus 193.7 days [HLT]) was not different between groups (P = NS). Age (34.2 [LT] versus 29.1 [HLT]) and sex (M:F, 5:5 [LT] versus 5:10 [HLT]) were also not found to be discriminators. The histologic diagnosis of chronic rejection was associated with significant declines in FEV1.0 and FEF25-75 (P less than 0.02). There was only one instance of cardiac rejection among the heart-lung transplant recipients. Heart-lung and isolated lung transplant patients appear to be at similar risk for developing acute or chronic pulmonary rejection.
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