Articles Vol. 67 No. 10 25/10/2026

ASSESSMENT OF SLEEP QUALITY USING THE PITTSBURGH SLEEP QUALITY INDEX (PSQI) IN PATIENTS WITH CHRONIC LOWER EXTREMITY PERIPHERAL ARTERY DISEASE INDICATED FOR REVASCULARIZATION AT UNIVERSITY MEDICAL CENTER HO CHI MINH CITY

Tran Hoa, Luong Viet Thang, Le Quang Nhut, Tran Van Duc, Duong Quoc Van, Tran Ba Khoa, Tran Anh Tuan, Truong Hoai An, Le Thi Bich Tuyen, Nguyen Minh Dat
DOI: 10.52163/yhc.v67i10.6896
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Abstract

Objective: To determine the prevalence of poor sleep quality, Pittsburgh Sleep Quality Index (PSQI) scores, and associated factors among patients with chronic lower extremity peripheral artery disease indicated for revascularization at University Medical Center Ho Chi Minh City.

Materials and Methods: An analytical cross-sectional study included 70 patients recruited by convenience sampling from March 2025 to March 2026. Sleep quality was assessed using the validated Vietnamese PSQI (V-PSQI), PSQI >5 defined poor sleep quality. Associations were estimated using Poisson regression with robust variance and reported as adjusted prevalence ratios (PRs) with 95% confidence intervals (95% CIs).

Results: Poor sleep quality was identified in 46/70 patients (65.71%), and the mean PSQI score was 6.77 ± 3.05. Factors remaining associated after adjustment were Fontaine stage III-IV (PR=1.43, 95% CI: 1.05-1.97), nocturnal leg pain (PR=1.36, 95% CI: 1.03-1.80), self-reported anxiety/stress (PR=1.45, 95% CI: 1.05-1.98), and nocturia (PR=1.38, 95% CI: 1.04-1.83).

Conclusions: Poor sleep quality was common among patients with chronic lower extremity peripheral artery disease indicated for revascularization. Fontaine stage III-IV, nocturnal leg pain, self-reported anxiety/stress, and nocturia remained associated with poor sleep quality after adjustment. Further studies are needed before routine sleep-quality screening can be recommended in clinical practice.

Keywords
Sleep quality, Pittsburgh Sleep Quality Index, Lower extremity peripheral artery disease.
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