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Cardiovascular risk profile and frailty in a population-based study of older British men

Lookup NU author(s): Dr Sheena Ramsay

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This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).


Abstract

Background Frailty in older age is known to be associated with cardiovascular disease (CVD) risk. However, the extent to which frailty is associated with the CVD risk profile has been little studied. Our aim was to examine the associations of a range of cardiovascular risk factors with frailty and to assess whether these are independent of established CVD. Methods Cross-sectional study of a socially representative sample of 1622 surviving men aged 71-92 examined in 2010 -2012 across 24 British towns, from a prospective study initiated in 1978-1980. Frailty was defined using the Fried phenotype, including weight loss, grip strength, exhaustion, slowness and low physical activity. Results Among 1622 men, 303 (19%) were frail and 876 (54%) were pre-frail. Compared with non-frail, those with frailty had a higher odds of obesity (OR 2.03, 95% CI 1.38 to 2.99), high waist circumference (OR 2.30, 95% CI 1.67 to 3.17), low high-density lipoprotein-cholesterol (HDL-C) (OR 2.28, 95% CI 1.47 to 3.54) and hypertension (OR 1.79, 95% CI 1.27 to 2.54). Prevalence of these factors was also higher in those with frailty ( prevalence in frail vs non-frail groups was 46% vs 31% for high waist circumference, 20% vs 11% for low HDL and 78% vs 65% for hypertension). Frail individuals had a worse cardiovascular risk profile with an increased risk of high heart rate, poor lung function (forced expiratory volume in 1 s (FEV1)), raised white cell count (WCC), poor renal function (low estimated glomerular filtration rate), low alanine transaminase and low serum sodium. Some risk factors (HDL-C, hypertension, WCC, FEV1, renal function and albumin) were also associated with being pre-frail. These associations remained when men with prevalent CVD were excluded. Conclusions Frailty was associated with increased risk of a range of cardiovascular factors (including obesity, HDL-C, hypertension, heart rate, lung function, renal function) in older people; these associations were independent of established CVD.


Publication metadata

Author(s): Ramsay SE, Arianayagam DS, Whincup PH, Lennon LT, Cryer J, Papacosta AO, Iliffe S, Wannamethee SG

Publication type: Article

Publication status: Published

Journal: Heart

Year: 2015

Volume: 101

Issue: 8

Pages: 616-622

Print publication date: 15/04/2015

Online publication date: 25/03/2015

Acceptance date: 11/11/2014

Date deposited: 08/06/2017

ISSN (print): 1355-6037

ISSN (electronic): 1468-201X

Publisher: BMJ Publishing Group

URL: https://doi.org/10.1136/heartjnl-2014-306472

DOI: 10.1136/heartjnl-2014-306472

PubMed id: 25480883


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Funding

Funder referenceFunder name
G1002391
PG09/024
RG/08/013/25942

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