期刊
JOURNAL OF HEART AND LUNG TRANSPLANTATION
卷 35, 期 2, 页码 173-178出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.healun.2015.10.014
关键词
frailty; frailty deficit index; pre-transplant; lung transplant; survival; health outcomes; adults
资金
- Mayo Clinic Department of Medicine Research Career Development Award
- National Institutes of Health [K23-HL1-16643]
BACKGROUND: Frailty is a condition of increased vulnerability to adverse health outcomes. Although frailty is an important prognostic factor for many conditions, the effect of frailty on mortality in lung transplantation is unknown. Our objective was to assess the association of frailty with survival after lung transplantation. METHODS: We performed a retrospective cohort analysis of all adult lung transplant recipients at our institution between 2002 and 2013. Frailty was assessed using the frailty deficit index, a validated instrument that assesses cumulative deficits for up to 32 impairments and measures the proportion of deficits present (with frailty defined as >0.25). We examined the association between frailty and survival, adjusting for age, sex, and bilateral (vs single) lung transplant using Cox proportional hazard regression models. RESULTS: Among 144 lung transplant patients, 102 (71%) completed self-reported questionnaires necessary to assess the frailty deficit index within 1 year before lung transplantation. Frail patients (n = 46) had an increased risk of death, with an adjusted hazard ratio (HR) of 2.24 (95% confidence interval [CI], 1.22-4.19; p = 0.0089). Frailty was not associated with an increased duration of mechanical ventilation (median, 2 vs 2 days; p = 0.26), intensive care unit length of stay (median, 7.5 vs 6 days; p = 0.36) or hospital length of stay after transplantation (median, 14 vs 10.5 days; p = 0.26). CONCLUSIONS: Pre-transplant frailty was independently associated with decreased survival after lung transplantation. Pre-transplant frailty may represent an important area for intervention to improve candidate selection and lung transplant outcomes. (C) 2016 International Society for Heart and Lung Transplantation. All rights reserved.
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