Impact of Frailty on Outcomes After Percutaneous Coronary Intervention: a Prospective Cohort Study

Overview

Journal Open Heart

Publisher BMJ Publishing Group

Specialty Cardiology & Vascular Diseases

Date 2015 Sep 18

PMID 26380099

Citations 38

Authors

Rachel Murali-Krishnan

Javaid Iqbal

Rebecca Rowe

Emer Hatem

Yasir Parviz

James Richardson

Ayyaz Sultan

Julian Gunn

Affiliations

Soon will be listed here.

Abstract

Background: Average life expectancy is rising, resulting in increasing numbers of elderly, frail individuals presenting with coronary artery disease and requiring percutaneous coronary intervention (PCI). PCI can be of value for this population, but little is known about the balance of benefit versus risk, particularly in the frail.

Objective: To determine the relationship between frailty and clinical outcomes in patients undergoing PCI.

Methods: Patients undergoing PCI, for either stable angina or acute coronary syndrome, were prospectively assessed for frailty using the Canadian Study of Health and Ageing Clinical Frailty Scale. Demographics, clinical and angiographic data were extracted from the hospital database. Mortality was obtained from the Office of National Statistics.

Results: Frailty was assessed in 745 patients undergoing PCI. The mean age of patients was 62±12 years and 70% were males. The median frailty score was 3 (IQR 2-4). A frailty score ≥5, indicating significant frailty, was present in 81 (11%) patients. Frail patients required longer hospitalisation after PCI. Frailty was also associated with increased 30-day (HR 4.8, 95% CI 1.4 to 16.3, p=0.013) and 1 year mortality (HR 5.9, 95% CI 2.5 to 13.8, p<0.001). Frailty was a predictor of length of hospital stay and mortality, independent of age, gender and comorbidities.

Conclusions: A simple assessment of frailty can help predict mortality and the length of hospital stay, and may therefore guide healthcare providers to plan PCI and appropriate resources for frail patients.

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