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Liver Transpl. 2015 Dec;21(12):1465-70. doi: 10.1002/lt.24334. Epub 2015 Nov 6.

Functional impairment in older liver transplantation candidates: From the functional assessment in liver transplantation study.

Author information

1
Divisions of Gastroenterology and Hepatology, University of California, San Francisco, CA.
2
Geriatrics, Department of Medicine, University of California, San Francisco, CA.
3
Division of Transplant Surgery, Department of Surgery, University of California, San Francisco, CA.
4
Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, MD.

Abstract

The emerging epidemic of older patients with cirrhosis has led to a sharp increase in the number of ≥65 year olds considering liver transplantation (LT). However, clinicians lack objective measures to risk stratify older patients. We aimed to determine whether the short physical performance battery (SPPB), a well-validated geriatric measure of physical function, has greater prognostic value in older versus younger LT candidates. Adult outpatients listed for LT with laboratory Model for End-Stage Liver Disease score ≥ 12 underwent physical function testing using the SPPB, consisting of gait speed, chair stands, and balance. Patients were categorized by age ("younger," < 65 years; "older," ≥ 65 years) and SPPB ("impaired," ≤ 9; "robust," > 9). Competing risks models associated age and SPPB with wait-list death/delisting. Of 463 LT candidates, 21% were ≥ 65 years and 18% died or were delisted. Older patients had slower gait (1.1 versus 1.3 m/seconds; P < 0.001), a trend of slower chair stands (12.8 versus 11.8 seconds; P = 0.06), and a smaller proportion able to complete all balance tests (65% versus 78%; P = 0.01); SPPB was lower in older versus younger patients (10 versus 11; P = 0.01). When compared to younger robust patients as a reference group, younger impaired patients (hazard ratio [HR], 1.77; P = 0.03) and older impaired patients (HR, 2.70; P = 0.003) had significantly higher risk of wait-list mortality, but there was no difference in risk for older robust patients (HR 1.38; P = 0.35) [test of equality, P = 0.01]. After adjustment for Model for End-Stage Liver Disease-sodium (MELD-Na) score, only older impaired patients had an increased risk of wait-list mortality compared to younger robust patients (HR, 2.36; P = 0.01; test of equality P = 0.05). In conclusion, functional impairment, as assessed by the SPPB, predicts death/delisting for LT candidates ≥65 years independent of MELD-Na. Further research into activity-based interventions to reduce adverse transplant outcomes in this population is warranted.

PMID:
26359787
PMCID:
PMC4715618
DOI:
10.1002/lt.24334
[Indexed for MEDLINE]
Free PMC Article

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