• Sreeja Biswas Roy, Roshan Panchanathan, Rajat Walia, Katherine E Varsch, Paul Kang, Jasmine Huang, A Samad Hashimi, Thalachallour Mohanakumar, Ross M Bremner, and Michael A Smith.
• Division of Thoracic Surgery, Norton Thoracic Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona.
• Ann. Thorac. Surg. 2018 Jan 1; 105 (1): 221-227.

BackgroundChronic lung allograft dysfunction (CLAD) is nonreversible and remains the biggest obstacle to long-term survival after lung transplantation (LTx). Retransplantation is the sole definitive therapeutic option for CLAD. We analyzed our single-center experience with retransplantation as a treatment option for CLAD.MethodsFrom March 1, 2010, to May 31, 2016, 419 consecutive patients underwent LTx at our institution; 29 of these procedures were retransplantations for CLAD. We analyzed demographic characteristics, lung allocation score, operation type, length of stay, and perioperative outcomes. Actuarial survival was estimated using Kaplan-Meier survival curves.ResultsIn total, 29 of 419 patients (6.9%) underwent retransplantation for CLAD. Median time from primary LTx to retransplantation was 1,163 days (range: 304 to 3,971 days). Patients undergoing retransplantation were younger and had higher lung allocation scores than primary transplantation patients. Most LTx procedures were bilateral (93% of retransplantations, 95% of primary LTx). Rates of cardiopulmonary bypass, extracorporeal membrane oxygenation support for severe primary graft dysfunction, and re-exploration for bleeding were higher in retransplantation patients (p = 0.010, p = 0.019, and p = 0.029, respectively). One- and 5-year survival rates in the retransplantation group were similar to those of the primary LTx group (89.2% and 64.3% versus 89.7% and 58.2%, respectively; p = 0.79).ConclusionsLung retransplantation is a viable treatment option for CLAD after LTx. In this study, retransplantation patients were younger, had higher lung allocation scores, and were more likely to require cardiopulmonary bypass and postoperative extracorporeal membrane oxygenation support than primary LTx patients. Postoperative length of stay and short- and mid-term survival were comparable with those of primary LTx patients.Copyright © 2018 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.

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