NYMC Faculty Publications

Age Predicts Outcomes Better Than Frailty Following Aneurysmal Subarachnoid Hemorrhage: A retrospective Cohort Analysis

Author Type(s)

Faculty, Student

DOI

10.1016/j.clineuro.2019.105558

Journal Title

Clinical Neurology and Neurosurgery

First Page

105558

Document Type

Article

Publication Date

12-1-2019

Department

Neurosurgery

Abstract

OBJECTIVE: Increasing age has been associated with worse outcomes following aneurysmal subarachnoid hemorrhage (aSAH), yet frailty's effect on aSAH outcomes has never been studied. The most common frailty measurement tool is the modified frailty index (mFI). The goal of this study is to compare the effect of frailty versus age as predictors of aSAH outcomes and mortality. PATIENTS AND METHODS: Our institutional aSAH series were retrospectively identified and divided into non-frail (mFI=0-1) and frail (mFI>/=2) cohorts based on admission mFI scores. Primary outcomes were mortality and discharge location. Univariate and multivariate analysis were performed. RESULTS: There were 217 aSAH patients identified and 57 were frail (26.3%). Forty-one (18.9%) patients died and 74 (34%) were discharged home. Frail patients were significantly older (p/=65 (OR=2.7; 95%CI:1.2-6.0; p=0.012) were the only independent predictors of mortality. Likewise, discharge home was best predicted by HH score (OR=0.24; 95%CI:0.15-0.37; p<0.0001) and age (OR=0.25; 95%CI:0.1-0.6; p=0.003). CONCLUSION: Frailty is associated with worse aSAH grades, more complications, and increased mortality, however, increasing age and HH scores were the only independent predictors of aSAH outcomes. This study suggests that HH score and increasing patient age, and not the accumulated co-morbidities at the time of aSAH, better predict outcomes.

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