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Published on: September 26, 2018
Vascular disease prevalence and risk factors in a screened Korean male population
Won Pyo Cho1, In Soo Park2, Yong Sun Jeon3
1Department of Surgery, Goyang Military Hospital, Republic of Korea Army.
Insights
Prevalence of carotid artery stenosis and peripheral arterial occlusive disease in Korean elderly men is similar to global rates. Abdominal aortic aneurysm prevalence is lower than Western but higher than Asian reports, necessitating further Asian studies.
Area of Science:
- Geriatric Medicine
- Vascular Surgery
- Epidemiology
Background:
- Vascular diseases like carotid artery stenosis (CAS), abdominal aortic aneurysm (AAA), and peripheral arterial occlusive disease (PAD) are prevalent in elderly men.
- Limited data exists on the prevalence of these conditions in Eastern populations compared to Western countries.
- This study aims to compare Korean prevalence rates with existing reports and identify risk factors.
Purpose of the Study:
- To determine the prevalence of CAS, AAA, and PAD in elderly Korean men.
- To compare these prevalence rates with international findings.
- To investigate the correlation between known risk factors and these vascular diseases in the Korean population.
Main Methods:
- A cohort of elderly men (≥65 years) was recruited from November 2008 to December 2012.
- Prevalence was assessed using standardized definitions: CAS (≥50% internal stenosis), AAA (≥3 cm diameter), and PAD (ankle-brachial index ≤0.9).
- Multivariate analysis was employed to identify associated risk factors.
Main Results:
- The study included men with an average age of 72.14 years.
- Prevalence rates were: CAS 7.2%, AAA 3.2%, and PAD 4.9%.
- Significant risk factors identified: octogenarian status and coronary artery disease for CAS; current smoking for PAD.
Conclusions:
- Korean prevalence rates for CAS and PAD align with previous global reports.
- AAA prevalence in Korea is lower than Western but higher than other Asian countries.
- Further large-scale clinical studies across Asia are crucial due to the anticipated rise in vascular disease prevalence.
Background:
Vascular diseases, such as carotid artery stenosis (CAS), abdominal aortic aneurysm (AAA), and peripheral arterial occlusive disease (PAD) of the lower limb, are common in elderly men. These diseases have not been thoroughly reported in Eastern countries as well as in Western countries. We compare the prevalence rates in Korea with previous reports, and evaluate correlations between known risk factors and these conditions in this population.
Materials And Methods:
From November 2008 to December 2012, elderly men (≥65 years) were randomly referred from the Incheon Federation of the Korean Senior Citizens' Association, which is one of the major organizations representing retired individuals in Korea. CAS was defined as ≥50% of internal CAS, AAA was defined as ≥3 cm aortic diameter, and PAD of the lower limb was defined as an ankle brachial index ≤0.9.
Results:
The average age was 72.14 ± 5.15 years. CAS was detected in 116 subjects (7.2%), AAA was detected in 52 subjects (3.2%), and PAD was detected in 79 subjects (4.9%). On multivariate analysis, octogenarian status and coronary artery disease were significantly associated with CAS and current smoking was significantly associated with PAD (P < 0.001).
Conclusions:
The Korean prevalence rates of CAS and PAD in this study are similar to previous reports. The prevalence of AAA in Korea is lower compared with western reports, but higher than previous Asian reports. It is presently necessary to conduct major clinical studies throughout Asian countries to prepare for a rapid increase in the prevalence of major vascular diseases in Asia.
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