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Multicenter Study
Frailty phenotypes and mortality after lung transplantation: A prospective cohort study.
- Jonathan P Singer, Joshua M Diamond, Michaela R Anderson, Patricia P Katz, Ken Covinsky, Michelle Oyster, Tatiana Blue, Allison Soong, Laurel Kalman, Pavan Shrestha, Selim M Arcasoy, John R Greenland, Lori Shah, Jasleen Kukreja, Nancy P Blumenthal, Imaani Easthausen, Jeffrey A Golden, Amika McBurnie, Ed Cantu, Joshua Sonett, Steven Hays, Hilary Robbins, Kashif Raza, Matthew Bacchetta, Rupal J Shah, Frank D'Ovidio, Aida Venado, Jason D Christie, and David J Lederer.
- Department of Medicine, University of California, San Francisco, CA, USA.
- Am. J. Transplant. 2018 Aug 1; 18 (8): 1995-2004.
AbstractFrailty is associated with increased mortality among lung transplant candidates. We sought to determine the association between frailty, as measured by the Short Physical Performance Battery (SPPB), and mortality after lung transplantation. In a multicenter prospective cohort study of adults who underwent lung transplantation, preoperative frailty was assessed with the SPPB (n = 318) and, in a secondary analysis, the Fried Frailty Phenotype (FFP; n = 299). We tested the association between preoperative frailty and mortality following lung transplantation with propensity score-adjusted Cox models. We calculated postestimation marginalized standardized risks for 1-year mortality by frailty status using multivariate logistic regression. SPPB frailty was associated with an increased risk of both 1- and 4-year mortality (adjusted hazard ratio [aHR]: 7.5; 95% confidence interval [CI]: 1.6-36.0 and aHR 3.8; 95%CI: 1.8-8.0, respectively). Each 1-point worsening in SPPB was associated with a 20% increased risk of death (aHR: 1.20; 95%CI: 1.08-1.33). Frail subjects had an absolute increased risk of death within the first year after transplantation of 12.2% (95%CI: 3.1%-21%). In secondary analyses, FFP frailty was associated with increased risk of death within the first postoperative year (aHR: 3.8; 95%CI: 1.1-13.2) but not over longer follow-up. Preoperative frailty is associated with an increased risk of death after lung transplantation.© 2018 The American Society of Transplantation and the American Society of Transplant Surgeons.
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