Increased plasma fibrinogen level and future risk of coronary artery disease after repair of abdominal aortic aneurysm

Toshihiro Onohara, Kimihiro Komori, Masazumi Kume, Masaru Ishida, Shinji Ohta, Kensuke Takeuchi, Takuya Matsumoto, Keizo Sugimachi

研究成果: Contribution to journalArticle査読

8 被引用数 (Scopus)

抄録

Background: Cardiovascular disease such as coronary artery disease is a major cause of late death after repair of abdominal aortic aneurysm (AAA). But risk factors are not well known. So, we investigated the incidence of cardiovascular events after surgery and examined the prognostic factors. Study Design: We retrospectively reviewed 270 patients who underwent elective surgery for AAA from 1985 to 1995. Kaplan-Meier survival analysis was used to estimate survival rates and the probability of coronary, cerebrovascular, and cardiovascular events. The risk factors for each endpoint were investigated using multivariate analysis. Results: The overall survival rate was 87.3% at 3 years, 76.4% at 5 years, and 52.3% at 10 years. Current cigarette use, renal insufficiency, advanced age (≥ 70 years old), and higher plasma fibrinogen level (≥ 300 mg/dL) were significant factors influencing survival. The probability of a coronary event was 4.9% at 3 years, 7.1% at 5 years, and 20.7% at 10 years. Plasma fibrinogen level and cerebrovascular disease were significant prognostic factors for coronary events. The probability of a cerebrovascular event was 5.3% at 3 years, 7.6% at 5 years, and 18.0% at 10 years. No significant prognostic factors for cerebrovascular events existed. The probability of a cardiovascular event was 10.3% at 3 years, 14.9% at 5 years, and 33.6% at 10 years. Plasma fibrinogen level was a significant risk factor for cardiovascular events. But the presence of coronary artery disease did not affect survival or the incidence of coronary, cerebrovascular, or cardiovascular events. Conclusions: Plasma fibrinogen level is an independent risk factor of future coronary events after surgery for AAA, and the increased risk of coronary artery events contributes to the impaired survival. Patients with higher plasma fibrinogen level need careful surveillance for cardiovascular disease after surgery. (C) 2000 by the American College of Surgeons.

本文言語英語
ページ(範囲)619-625
ページ数7
ジャーナルJournal of the American College of Surgeons
191
6
DOI
出版ステータス出版済み - 2000

All Science Journal Classification (ASJC) codes

  • 外科

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