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The Annals of Thoracic Surgery, Vol 40, 488-493, Copyright © 1985 by The Society of Thoracic Surgeons
BP Griffith, RL Hardesty, A Trento and HT Bahnson
Eighteen patients have received 19 combined heart-lung allografts since
March, 1982. During the maturation of our program of heart-lung
transplantation, we have learned that isolated rejection of the lung can
occur frequently and that exclusive dependence on the cardiac biopsy can be
misleading. Of the 18 patients who received allografts, 10 are the basis
for this report. The other patients were excluded because of death from
excessive bleeding (1), inadequate lung preservation (2), an inability to
differentiate rejection from infection (3), or an absence of rejection of
either the heart or the lungs (2). Rejection of the lung was suggested, in
the absence of clinical evidence of infection, by the radiographic
appearance of a diffuse pulmonary infiltrate. It was confirmed by a prompt
response to augmentation of maintenance immunosuppression with an
intravenous pulse of methylprednisolone. The presence or absence of cardiac
rejection was determined by the standard endomyocardial biopsy. Direct
biopsy of the involved lung through a thoracotomy was performed in 4
patients so that a definitive histological diagnosis of rejection would
reinforce the anticipated clinical diagnosis. The clinical course in 6 of
the 10 patients plus the results of the open lung biopsy in 3 of them
suggest that isolated rejection of the lung developed in the absence of
cardiac findings. Patients responded within 12 to 24 hours to augmented
immunosuppression with a dramatic improvement in the abnormal chest
radiograph. In all 10 patients, either isolated lung or synchronous heart
and lung rejection episodes were confined to the first six weeks after
operation unless a severe alteration in the immunosuppression was made (2
patients).(ABSTRACT TRUNCATED AT 250 WORDS)
ARTICLES
Asynchronous rejection of heart and lungs following cardiopulmonary transplantation
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