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Ann Thorac Surg 2000;69:1020-1024
© 2000 The Society of Thoracic Surgeons

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ORIGINAL ARTICLES: GENERAL THORACIC

Segmental nonanastomotic bronchial stenosis after lung transplantation

^a Department of Pathology, University of Pittsburgh Medical Center, Presbyterian University Hospital, Pittsburgh, Pennsylvania, USA
^b Department of Pulmonary Medicine, University of Pittsburgh Medical Center, Presbyterian University Hospital, Pittsburgh, Pennsylvania, USA
^c Department of Radiology, University of Pittsburgh Medical Center, Presbyterian University Hospital, Pittsburgh, Pennsylvania, USA

Address reprint requests to Dr Yousem, Department of Pathology, A 610, University of Pittsburgh Medical Center, Presbyterian University Hospital, 200 Lothrop St, Pittsburgh, PA 15213
e-mail: yousemsa{at}msx.upmc.edu

Background. Nonanastomotic distal bronchial stenosis has been observed in some patients after lung transplantation. We investigated its relationship with acute cellular rejection (ACR), infection, and ischemia.

Methods. Between January 1994 and December 1997, 246 lung transplantations were performed at our hospital. These cases were retrospectively reviewed and evaluated to identify those patients with nonanastomotic bronchial stenosis.

Results. Six patients had bronchial stenosis within the grafted airway distal to the uninvolved anastomotic site. The average ACR before stenosis was 1.9 compared with 1.6 in a control group. ACR at the time of first recognition of the stenosis ranged from A2 to A3.5, with an average value of A2.9. All 6 patients demonstrated alloreactive airway inflammation before and at the time of stenosis. Four patients had evidence of ischemic damage in the perioperative period.

Conclusions. Segmental nonanastomotic large airway stenosis after lung transplantation should be assessed separately from anastomotic complications. Although the pathogenesis is unclear, certainly one should consider alloreactive injury, ischemic damage, and infection as individual and coercive causes.

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