Article

Association Between Panic Disorder and Risk of Atrial Fibrillation: A Nationwide Study

Institute of BiomedicalSciences (C.-M.C.), Academia Sinica, Taipei, Taiwan
Psychosomatic Medicine (Impact Factor: 4.09). 10/2012; 75(1). DOI: 10.1097/PSY.0b013e318273393a
Source: PubMed

ABSTRACT Objective
The aim of the present study was to investigate the association between panic disorder (PD) and atrial fibrillation (AF).Methods
We used a nationwide population-based data set from Taiwan. A total of 3888 patients with PD and without a diagnosis of AF from a sampled cohort data set of 1,000,000 were included in the study group. Ten people without PD and AF were selected for every 1 patient in the study group, matched by propensity score matching according to time of enrollment, age, sex, and comorbidities. We performed log-rank tests to analyze differences in accumulated AF-free survival rates between the two groups. Cox proportional hazard regressions were performed to evaluate the independent factors determining the longitudinal hazard of AF.ResultsDuring a maximal 7-year follow-up, 48 patients from the study group (1.2% of the patients with PD) and 358 from the control group (0.9% of the patients without PD) were newly diagnosed as having AF. Patients with PD had a significantly higher incidence of AF (hazard ratio [HR] = 1.54 [1.14-2.09]; log-rank test, p = .004). After Cox model adjustment for risk factors and comorbidities, PD (HR = 1.73, 95% confidence interval [CI] = 1.26-2.37), age (HR = 1.07, 95% CI = 1.06-1.08), male sex (HR = 1.26, 95% CI = 1.03-1.55), hypertension (HR = 2.00, 95% CI = 1.55-2.56), history of coronary artery disease (HR = 1.45, 95% CI = 1.15-1.82), congestive heart failure (HR = 2.46; 95% CI, 1.84-3.30), and valvular heart disease (HR = 2.83, 95% CI = 1.85-4.42) were independently associated with increased risk of AF.ConclusionsPD is independently associated with higher incidence of AF to be diagnosed in the future. Larger prospective studies or meta-analysis are suggested to confirm the findings.

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May 20, 2014