Akio Iwasaki1, Hidehiro Takekawa2,3, Ryuta Okabe2,4, Keisuke Suzuki2, Madoka Okamura2, Takahito Nishihira2, Ayano Suzuki2, Yuka Tsukahara2, Koichi Hirata2. 1. Stroke Division, Department of Neurology, Dokkyo Medical University, 880 Kitakobayashi, Mibu, Shimotsuga-gun, Tochigi, 322-0293, Japan. a.iwasaki.n@gmail.com. 2. Stroke Division, Department of Neurology, Dokkyo Medical University, 880 Kitakobayashi, Mibu, Shimotsuga-gun, Tochigi, 322-0293, Japan. 3. Center of Medical Ultrasonics, Dokkyo Medical University, Tochigi, Japan. 4. Department of Internal Medicine, Akiru Municipal Medical Center, Tokyo, Japan.
Abstract
OBJECTIVE: We investigated maximum intima-media thickness of the common carotid artery (IMT-Cmax) in residents of Tochigi Prefecture, who have been reported to have high stroke mortality. METHOD: Our study included 840 individuals. All participants underwent carotid ultrasonography and answered a questionnaire during participation in a health festival in Tochigi Prefecture. The questionnaire was designed to collect information on age, gender, and risk factors for stroke. IMT-Cmax was measured. Statistical analyses were performed to identify factors contributing to IMT-Cmax values ≥1.1 mm. RESULTS: In total, 117 subjects had an IMT-Cmax value ≥1.1 mm. IMT-Cmax correlated significantly with age, current smoking, hypertension, diabetes mellitus, heart disease, and previous symptomatic stroke (p < 0.05) in univariate analysis. Current smoking (p < 0.001, odds ratio 3.88) and hypertension (p = 0.0070, odds ratio 1.83) were seen as significant contributing factors to IMT-Cmax ≥1.1 mm in logistic regression analysis adjusted by age, gender, and previous symptomatic stroke. CONCLUSION: We identified current smoking and hypertension as the most significant contributing factors to increased IMT-Cmax in residents of Tochigi Prefecture, emphasizing the importance of routine blood pressure monitoring and anti-smoking education in this population.
OBJECTIVE: We investigated maximum intima-media thickness of the common carotid artery (IMT-Cmax) in residents of Tochigi Prefecture, who have been reported to have high stroke mortality. METHOD: Our study included 840 individuals. All participants underwent carotid ultrasonography and answered a questionnaire during participation in a health festival in Tochigi Prefecture. The questionnaire was designed to collect information on age, gender, and risk factors for stroke. IMT-Cmax was measured. Statistical analyses were performed to identify factors contributing to IMT-Cmax values ≥1.1 mm. RESULTS: In total, 117 subjects had an IMT-Cmax value ≥1.1 mm. IMT-Cmax correlated significantly with age, current smoking, hypertension, diabetes mellitus, heart disease, and previous symptomatic stroke (p < 0.05) in univariate analysis. Current smoking (p < 0.001, odds ratio 3.88) and hypertension (p = 0.0070, odds ratio 1.83) were seen as significant contributing factors to IMT-Cmax ≥1.1 mm in logistic regression analysis adjusted by age, gender, and previous symptomatic stroke. CONCLUSION: We identified current smoking and hypertension as the most significant contributing factors to increased IMT-Cmax in residents of Tochigi Prefecture, emphasizing the importance of routine blood pressure monitoring and anti-smoking education in this population.
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