Multicenter investigations of the prevalence of abdominal aortic aneurysm in elderly Japanese patients with hypertension

Circulation Journal : Official Journal of the Japanese Circulation Society
Shota FukudaAAA Japan Study Investigators

Abstract

Physical examination as an initial screening tool to diagnose abdominal aortic aneurysm (AAA) has lost favor over the past 20 years. This multicenter cohort study aimed to determine the prevalence of AAA in elderly Japanese patients with hypertension (HT) and to clarify the diagnostic accuracy of physical examination using a pocket-sized ultrasound imaging device (the "pocket-echo"). METHODS AND RESULTS: A total of 1,731 patients with HT aged >60 years from 20 collaborating institutions were enrolled in this study. Abdominal palpation was performed on physical examination, and the pocket-echo was used to confirm the diagnosis of AAA. The abdominal aorta was well visualized in 1,692 patients (98%). AAA was discovered in 69 patients (4.1%), with advanced age and male sex identified as independent risk factors. The prevalence of AAA increased according to age regardless of sex, and reached 9.2% and 5.7%, respectively, in males and females ≥80 years. Overall, 33 cases of AAA were missed on abdominal palpation (sensitivity, 52%), whereas for AAAs >40 mm, the sensitivity was 75%. We assessed the utility of the pocket-echo and physical examination for diagnosing AAA in Japanese patients with HT aged over 60 years. Our findings highlig...Continue Reading

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Citations

Jan 9, 2016·Circulation Journal : Official Journal of the Japanese Circulation Society·Hiroki Aoki
Mar 10, 2015·Circulation Journal : Official Journal of the Japanese Circulation Society·Yasuko K Bando, Toyoaki Murohara
Jun 9, 2016·Acute Medicine & Surgery·Kentaro InoueYoshihiko Maehara
Mar 13, 2019·Scientific Reports·Tsuyoshi HashizumeMasahiro Akishita
Sep 29, 2020·Journal of Vascular Surgery·Wai Kiu ChanZhiwen Joseph Lo

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