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Frailty predicts medication-related harm requiring healthcare: a UK multicentre prospective cohort study

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posted on 2023-06-09, 14:16 authored by Chakravarthi RajkumarChakravarthi Rajkumar, Khalid Mustafa AliKhalid Mustafa Ali, Nikesh Parekh
Introduction Frailty has been under investigated as a risk factor for medication-related harm (MRH) in older adults[1]. We sought to determine whether frailty is independently associated with MRH in a large multicentre prospective cohort, the PRIME study. Methods The PRIME study recruited 1280 older adults at hospital discharge from 5 hospitals in England between 2013 to 2015[2]. MRH and associated healthcare use within 8-weeks post-discharge were identified by senior pharmacists using (1) hospital readmission data, (2) primary care records, (3) patient telephone interviews. Based on the Rockwood approach[3], we developed a frailty index including 55 deficits from multiple domains (morbidity, cognition, mood, strength and mobility, nutrition, daily function). Frailty was defined using the established cut-off of ?20% deficits[4], and internally validated using Kaplan-Meier plots comparing survival in frail and non-frail patients. We then used logistic regression analysis to investigate the relationship between frailty and MRH requiring healthcare. Results 1116 patients completed follow-up (median age 81.9 years, range 65-103 years, 58.4% female). 446 patients (40%) were frail in our cohort. 36% of frail patients experienced MRH compared with 25% in non-frail patients. There was a strong relationship between frailty and MRH (OR 1.67, 95% CI 1.29-2.17, p<0.001). A significant relationship between frailty and MRH remained on multivariable regression, adjusting for polypharmacy, age and gender (OR 1.37, 95% CI 1.04-1.81, p=0.027). Frail patients had significantly reduced 18-month survival (Log-Rank test p<0.001). Key Conclusions Frailty is a predictor of MRH requiring healthcare, independent of polypharmacy.

History

Publication status

  • Published

File Version

  • Accepted version

Event name

14th International Congress of the European Geriatric Medicine Society: Advancing Geriatric Medicine in a Modern World

Event location

Berlin

Event type

conference

Event date

10th - 12th October 2018

Department affiliated with

  • BSMS Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2018-07-27

First Open Access (FOA) Date

2019-02-01

First Compliant Deposit (FCD) Date

2018-07-27

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