ISSN: 1859 - 2872
Prevalence and associated factors of anxiety disorders in patients with premature ventricular contractions not due to cardiomyopathy
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Abstract
Objective: To determine the prevalence of anxiety disorders in patients with premature ventricular complexes (PVCs) and to analyze factors associated with anxiety in patients with PVCs unrelated to cardiomyopathy. Subject and method: This was a cross-sectional descriptive study conducted at the 108 Military Central Hospital from December 2024 to August 2025. The study included 163 patients diagnosed with PVCs via electrocardiogram (ECG) or 24-hour Holter ECG monitoring, with no evidence of structural heart disease. Anxiety status was assessed using the Generalized Anxiety Disorder-7 (GAD-7) self-rating scale and the Zung Self-Rating Anxiety Scale (ZUNG SAS) administered by specialists. Result: The mean age was 56.39 ± 11.78 years. Females accounted for 65%, farmers for 60.1%, and 66.26% of patients resided in urban areas. The mean PVC burden was 16.09 ± 27.14% per 24 hours. The prevalence of anxiety according to GAD-7 was 58.9% (34.36% mild, 9.82% moderate, 14.72% severe). According to ZUNG SAS, the prevalence was 61.35% (mild). Sleep quality was rated as good in 68.1% of patients, while 31.9% experienced poor sleep quality or severe insomnia. Linear regression analysis showed a significant association between the ZUNG SAS score and PVC burden (β=0.666, p=0.002); however, no significant association was found with GAD-7 (p=0.347%). Conclusion: The prevalence of anxiety disorders in patients with PVCs was 58.9% as assessed by the GAD-7 scale and 61.35% by the ZUNG SAS scale. Factors associated with anxiety disorders included sleep disturbances and the burden of premature ventricular complexes.
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References
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