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Clinical frailty scale as a predictor of adverse outcomes following aortic valve replacement: a systematic review and meta-analysis

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posted on 2023-09-13, 07:50 authored by Tadhg Prendiville, Aoife LeahyAoife Leahy, Ahmed GabrAhmed Gabr, Fayeza Ahmad, Jonathan Afilalo, Glen Philip Martin, Mamas Mamas, Ivan P. Casserly, Abdirahman MohamedAbdirahman Mohamed, Anastasia Saleh, Elaine Shanahan, MARGARET O'CONNOR, Rose GalvinRose Galvin

Objectives Assessment of frailty prior to aortic valve intervention is recommended in European and North American valvular heart disease guidelines. However, there is a lack of consensus on how it is best measured. The Clinical Frailty Scale (CFS) is a well-validated measure of frailty that is relatively quick to calculate. This meta-analysis sought to examine whether the CFS predicts mortality and morbidity following either transcatheter aortic valve implantation (TAVI) or surgical aortic valve replacement (SAVR). Methods Nine electronic databases were searched systematically for data on clinical outcomes post-TAVI/ SAVR, where patients had undergone preoperative frailty assessment using the CFS. The primary endpoint was 12-month mortality. TAVI and SAVR data were assessed and reported separately. For each individual study, the incidence of adverse outcomes was extracted according to a CFS score of 5–9 (ie, frail) versus 1–4 (ie, non-frail), with meta-analysis performed using a random effects model. Results Of 2612 records screened, nine were included in the review (five TAVI, three SAVR and one which included both interventions). Among 4923 TAVI patients, meta-analysis showed 12-month mortality rates of 19.1% for the frail cohort versus 9.8% for the non-frail cohort (RR 2.53 (1.63 to 3.95), p<0.001, I2 =83%). For the smaller cohort of SAVR patients (n=454), mortality rates were 20.3% versus 3.9% for the frail and non-frail cohorts, respectively (RR 5.08 (2.31 to 11.15), p<0.001, I2 =5%). Conclusions Frailty, as determined by the CFS, was associated with an increased mortality risk in the 12 months following either TAVI or SAVR. These data would support its use in the preoperative assessment of elderly patients undergoing aortic valve interventions.

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Publication

Open Heart 10, e002354

Publisher

BMJ

Sustainable development goals

  • (3) Good Health and Well-being

Department or School

  • Allied Health

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