Predictor of enhanced mortality in patients with multimorbidity and atrial fibrillation in an acute hospital setting
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Predictor of enhanced mortality in patients with multimorbidity and atrial fibrillation in an acute hospital settingAuthor(s)
Date
2020-05Citation
Iñiguez Vázquez I, Matesanz Fernández M, Romay Lema EM, Seoane Pillado MT, Monte Secades R, Pértega Díaz S, Casariego Vales E. Predictor of enhanced mortality in patients with multimorbidity and atrial fibrillation in an acute hospital setting. QJM. 2020 May 1;113(5):330-335.
Abstract
[Abstract]
Background: Patients with atrial fibrillation (AF) admitted to hospital commonly have comorbidities. Few studies have attempted to determine factors prognostic of mortality in hospitalized AF patients with multimorbidity.
Aim: To identify factors associated with mortality in hospitalized AF patients.
Design: Retrospective cohort study.
Methods: Patients with multimorbidity (≥2 chronic diseases), with or without AF, discharged from Lugo hospital (Spain) between 1 January 2000 and 31 December 2015. Data were extracted from hospital medical records.
Results: Of 74 220 patients (170 978 hospitalizations), 52 939 had multimorbidity (14 181 had AF; 38 758 no AF) and were included in our study. Patients with AF were older (mean ± standard deviation 78.6 ± 10.0 vs. 71.9 ± 14.2 years) and had a higher mortality rate (27.1 vs. 20.5%) than those without AF. Gender (female), age, stroke and congestive heart failure (CHF), but not AF, were independently associated with mortality. AF significantly increased the mortality risk in women [relative risk (RR) 1.091; 95% confidence interval (CI) 1.021-1.165; P = 0.010] and in those aged >80 years (RR 1.153; 95% CI, 1.1-1.2; P < 0.001). CHF independently increased the risk of mortality across all age groups (RR 1.496; 95% CI 1.422-1.574; P < 0.001).
Conclusions: Hospitalized patients with AF have a higher mortality rate than those without AF. The prognostic significance of AF changes with age and gender while CHF is associated with the greatest risk of death.
Keywords
Atrial fibrilation
Heart failure
Hospital mortality
Multimorbidity
Heart failure
Hospital mortality
Multimorbidity
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ISSN
1460-2725