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Should Asian men be included in abdominal aortic aneurysm screening programmes?
Summary
Screening for abdominal aortic aneurysms (AAA) in 65-year-old men shows lower prevalence in Asian populations. This finding raises questions about the cost-effectiveness of widespread AAA screening for all ethnic groups.
Area of Science:
- Vascular surgery
- Public health screening programs
- Epidemiology
Background:
- A national abdominal aortic aneurysm (AAA) screening program for 65-year-old men is launching in England.
- Existing evidence for this program lacks data on ethnic diversity, potentially limiting applicability.
Purpose of the Study:
- To investigate the prevalence of abdominal aortic aneurysms (AAA) in 65-year-old men across different ethnic groups within a city's screening program.
- To assess the applicability of current screening trial findings to ethnically diverse populations.
Main Methods:
- Retrospective analysis of screening data from 19,014 men aged 65.
- Categorization of participants by ethnicity: Caucasian, Asian, and other.
- Calculation of AAA prevalence rates for each ethnic group.
Main Results:
- Overall AAA prevalence was 4.69%.
- Prevalence was significantly lower in Asian men (0.45%) compared to Caucasian men (4.39%).
- Fisher's exact test indicated a statistically significant difference (P<0.0001).
Conclusions:
- The prevalence of AAA in 65-year-old men of Asian origin appears to be low.
- This lower prevalence suggests uncertainty regarding the cost-effectiveness of screening Asian men for AAA.
- Further research may be needed to tailor screening programs to diverse ethnic groups.
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