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. 2020 Mar;17(3):149-154.
doi: 10.11909/j.issn.1671-5411.2020.03.007.

Opportunistic screening for atrial fibrillation with a single lead device in geriatric patients

Lennaert Ar Zwart  1   2 , René Wmm Jansen  1 , Jacob H Ruiter  3 , Tjeerd Germans  3 , Suat Simsek  4 , Martin Ew Hemels  5   6
Affiliations

Opportunistic screening for atrial fibrillation with a single lead device in geriatric patients

Lennaert Ar Zwart et al. J Geriatr Cardiol. 2020 Mar.

Abstract

Objective: To determine the diagnostic yield of repeated screening for atrial fibrillation (AF) among geriatric patients.

Methods: A pragmatic prospective cohort study into applying opportunistic screening for AF with a handheld single lead ECG device (SLD) in a geriatric cohort. Consecutive patients of 65 years old and older visiting the geriatric outpatient clinic were eligible for inclusion. A 12 lead ECG was performed, followed by measurements with the SLD during every visit to the geriatric outpatient clinic. A frailty index was based on the accumulation of deficits model.

Results: 478 patients were eligible. Patients were excluded if they did not give informed consent (17 patients), had a pacemaker or implantable cardioverter defibrillator (20 patients), or had incomplete medical files (two patients). After exclusion, 439 patients participated in this study. The mean age was 78 years (range 65 to 100 years), 54% were female. AF was known in 89 patients (20%), first detected on the baseline ECG in four patients (1%) and first detected with the SLD in 20 patients (5%) during follow up visits. Sensitivity of the SLD was 90.0%, specificity 99.0%, negative predictive value 99.7%, and positive predictive value 73.5%. Most patients (82%) with AF were frail and 53% were severely frail.

Conclusion: Repeated screening in geriatric patients has a five times higher diagnostic yield than usual care. It was easily combined with usual care. Because of the positive predictive value of 73.5%, it remains necessary to confirm AF with a 12 lead ECG or 24-h Holter monitoring.

Keywords: Atrial fibrillation; Frailty; Geriatric patients; Opportunistic screening; The elderly.

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