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The Journals of Gerontology Series A: Biological Sciences and Medical Sciences Advance Access originally published online on May 4, 2009
The Journals of Gerontology Series A: Biological Sciences and Medical Sciences 2009 64A(7):771-777; doi:10.1093/gerona/glp019
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© The Author 2009. Published by Oxford University Press on behalf of The Gerontological Society of America. All rights reserved. For permissions, please e-mail: journals.permissions@oxfordjournals.org.

Survival of Aged Nursing Home Residents With Hip Fracture

Sarah D. Berry, Elizabeth J. Samelson, Malynda Bordes, Kerry Broe and Douglas P. Kiel

Institute for Aging Research, Hebrew SeniorLife, Boston, Massachusetts


  Abstract

Background: Little is known about mortality in nursing home residents with hip fracture. This study examined the effect of pre-fracture characteristics, hospital complications, and post-fracture complications on mortality in residents with hip fracture.

Methods: This is a retrospective cohort study of 195 long-term care residents (153 women, 42 men) with hip fracture (1999–2006) followed for mortality until June 30, 2007. Pre-fracture characteristics (age, sex, cognition, functional status, comorbidities, body mass index), hospital complications (acute myocardial infarction, congestive heart failure, delirium, infection) and 6-month complications (delirium, pneumonia, pressure ulcer, urinary tract infection [UTI]) were evaluated as potential predictors of mortality.

Results: During a median follow-up of 1.4 years, 150 participants (76.9%) died. Male residents were nearly twice as likely to die compared with female residents (hazard ratio [HR] = 1.9, 95% confidence interval [CI] 1.2–3.0). Other pre-fracture characteristics associated with increased mortality included older age (HR per 5 years = 1.3, 95% CI 1.1–1.6), low functional status (HR = 1.7, 95% CI 1.0–3.0), anemia (HR = 1.6, 95% CI 1.1–2.5), and coronary artery disease (HR = 2.0, 95% CI 1.3–2.9). Mortality was 70% greater among residents with a pressure ulcer or pneumonia within 6 months of hip fracture (pressure ulcer, HR = 1.7, 95% CI 1.2–2.6; pneumonia, HR = 1.7, 95% CI 1.1–2.7). Individual hospital complications and post-fracture delirium and UTI were not significant predictors of mortality.

Conclusions: In addition to pre-fracture characteristics, potentially modifiable post-fracture complications including pressure ulcer and pneumonia were associated with increased mortality in nursing home residents with hip fracture. Prevention strategies to reduce pressure ulcers and pneumonia may help reduce mortality in this frail population.

Keywords Hip fracture; Nursing home; Mortality

Received: September 4, 2008; Accepted: December 23, 2008

Decision Editor: Darryl Wieland, PhD, MPH


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