Long-term survival of Japanese patients transported to an emergency department because of syncope

Annals of Emergency Medicine
Masaru SuzukiNaoki Aikawa

Abstract

Cardiovascular disease mortality is affected by ethnic differences and is lower in Japan than in Western countries. Although patients with cardiac syncope have significantly higher mortality than patients with noncardiac syncope in Western countries, no such phenomenon has been described in Japan. The aim of this study is to clarify the long-term mortality of patients with syncope who are brought to an emergency department (ED) in Japan. This retrospective observational study was conducted on patients treated in the ED of Keio University Hospital in Tokyo. Nine hundred twelve consecutive patients who presented with syncope were identified. The patients were classified into 2 groups according to the cause of syncope: cardiac syncope and noncardiac syncope. Follow-up information about mortality was obtained from mailed questionnaires and medical records. Mortality data were analyzed using the actuarial life-table method and a Cox proportional hazards model. Follow-up information was obtained for 715 patients. The median follow-up period was 38 months, during which 63 patients died. At 5 years, the 23.1% (95% confidence interval [CI] 12.7% to 33.4%) mortality of the patients with cardiac syncope was significantly higher than the 8...Continue Reading

Citations

Apr 5, 2014·Japan Journal of Nursing Science : JJNS·Tuğba Yardimci, Hatice Mert
Jun 29, 2010·Nihon Naika Gakkai zasshi. The Journal of the Japanese Society of Internal Medicine·Masaru Suzuki
Jun 2, 2020·Nihon Ronen Igakkai zasshi. Japanese journal of geriatrics
Jun 27, 2006·Circulation Journal : Official Journal of the Japanese Circulation Society·Masaru SuzukiNaoki Aikawa
Jul 25, 2012·Critical Pathways in Cardiology·Carlos Calle-MullerJames McCord
Feb 11, 2016·Environmental Health and Preventive Medicine·Yojiro OgawaKen-Ichi Iwasaki

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