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Background Atrial fibrillation (AF) is the most common arrhythmia worldwide. Data regarding readmission for new congestive heart failure (CHF) following index admission for AF in the developing world are poorly described. Objectives The study aimed to assess the rate, predictors, and outcomes of 120-day CHF readmission after index admission for AF in Syria. Methods This retrospective cohort study collected all adult patients without known CHF who had an index admission with AF to Latakia’s tertiary center between June 2021-December 2023. Data were taken from patients’ medical notes. The primary outcome included readmission with incident CHF within 120 of index discharge, and secondary outcomes included predictors and outcomes of these CHF readmissions. Results A total of 660 patients were included in the final analysis, of which 69 (11.7%) were readmitted with new CHF within 120 days of index discharge. Readmitted patients had higher median age (58 vs 70 years, p < .001). Factors that independently increased 120-day CHF incidence were age ≥60 years (HR: 9.8, 95% CI: 4.8-23.6, p < .001), diabetes mellitus (DM) (HR:2.9, 95% CI:1.7-4.9, p < .001), valvular heart disease (VHD) (HR:1.7, 95% CI:1.04-2.78, p = .047), and hypertension (HR:2.5, 95% CI:1.5-4, p < .001). Inpatient mortality occurred in six readmitted patients (9%). LVEF <40% (HR:6.7, 95% CI: 24.31, p = .01) and DM (HR:7.2, 95% CI: 1.9-33, p = .004) were independently associated with inpatient mortality. Conclusion Hospitalization for new CHF was common in Syrian patients discharged with AF. The clinical predictors of incident CHF emphasize the importance of integrated management of lifestyle risk factors and common comorbidities in AF patients to optimize outcomes in resource-depleted communities.
Antoun et al. (Tue,) studied this question.