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Australas J Ageing. 2016 Sep;35(3):216-9. doi: 10.1111/ajag.12261. Epub 2016 Mar 15.

High rate of mortality in Spanish community-dwelling population aged 85 with atrial fibrillation after three years of follow-up: The Octabaix study.

Author information

1
Geriatric Unit, Internal Medicine Service, Hospital Universitari de Bellvitge, Bellvitge Biomedical Research Institute, IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain. fformiga@bellvitgehospital.cat.
2
Primary Healthcare Centre 'El Plà' CAP -I, Sant Feliu de Llobregat, Barcelona, Spain.
3
Geriatric Unit, Internal Medicine Service, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat, Barcelona, Spain.
4
Geriatric Unit, Internal Medicine Service, Hospital Universitari de Bellvitge, Bellvitge Biomedical Research Institute. IDIBELL, L'Hospitalet de Llobregat, Faculty of Medicine and Health Sciences, Universitat Internacional de Catalunya, Barcelona, Spain.

Abstract

AIM:

To assess the possible association between three-year global mortality and atrial fibrillation (AF) in 328 community-dwelling participants aged 85 at baseline.

METHODS:

Sociodemographic data, comorbidity and geriatric assessment tools, thromboembolic risk, and AF therapy were assessed. We compared the patients who survived with those who died.

RESULTS:

At baseline, 41 (12.5%) of participants had permanent AF, and 13 of them died (31.7%) after the three-year follow-up period compared with 44 (15.3%) of the rest of cohort (P = 0.01). Cox regression analysis identified two significant clinical variables as independent predictors of three-year risk of global mortality: Lawton Index (hazard ratio 0.82, 95% confidence interval 0.75-0.91) and AF (hazard ratio 1.90, 95% confidence interval 1.01-3.56). None of the other of variables evaluated showed predictive value of global mortality in the AF patients.

CONCLUSION:

In oldest old community-dwelling participants, AF is an independent risk factor for global mortality after a three-year follow-up period.

KEYWORDS:

80 and over; aged; atrial fibrillation; comorbidity; geriatric assessment; mortality

PMID:
26991145
DOI:
10.1111/ajag.12261
[Indexed for MEDLINE]

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