Survival benefit of lung transplantation compared with medical management and pulmonary rehabilitation for patients with end-stage COPD

Irina Timofte, Marniker Wijesinha, Roumen Vesselinov, June Kim, Robert Reed, Pablo G. Sanchez, Nicholas Ladikos, Si Pham, Zachary Kon, Keshava Rajagopal, Steven M. Scharf, Robert Wise, Alice L. Sternberg, David Kaczorowski, Bartley Griffith, Michael Terrin, Aldo Iacono

Research output: Contribution to journalArticlepeer-review

Abstract

Background: COPD patients account for a large proportion of lung transplants; lung transplantation survival benefit for COPD patients is not well established. Methods: We identified 4521 COPD patients in the United Network for Organ Sharing (UNOS) dataset transplanted from May 2005 to August 2016, and 604 patients assigned to receive pulmonary rehabilitation and medical management in the National Emphysema Treatment Trial (NETT). After trimming the populations for NETT eligibility criteria and data completeness, 1337 UNOS and 596 NETT patients remained. Kaplan–Meier estimates of transplant-free survival from transplantation for UNOS, and NETT randomisation, were compared between propensity score-matched UNOS (n=401) and NETT (n=262) patients. Results: In propensity-matched analyses, transplanted patients had better survival compared to medically managed patients in NETT (p=0.003). Stratifying on 6 min walk distance (6 MWD) and FEV1,UNOSpatients with 6 MWD <1000 ft (∼300 m) or FEV1 <20% of predicted had better survival than NETT counterparts (median survival 5.0 years UNOS versus 3.4 years NETT; log-rank p<0.0001), while UNOS patients with 6MWD ⩾1000 ft (∼300 m) and FEV1 ⩾20% had similar survival to NETT counterparts (median survival, 5.4 years UNOS versus 4.9 years NETT; log-rank p=0.73), interaction p=0.01. Conclusions: Overall survival is better for matched lung transplant patients compared with medical management alone. Patients who derive maximum benefit are those with 6 MWD <1000 ft (∼300 m) or FEV1 <20% of predicted, compared with pulmonary rehabilitation and medical management.

Original languageEnglish (US)
Article number00177-2019
JournalERJ Open Research
Volume6
Issue number2
DOIs
StatePublished - Apr 2020
Externally publishedYes

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine

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