Ruptured abdominal aortic aneurysm: Factors influencing operative mortality |
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Authors: | Yasuo Morishita MD Kazuhiro Arikawa Masafumi Yamashita Shinji Shimokawa Hirofumi Ohzono Hideaki Saigenji Akira Taira |
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Institution: | (1) The Second Department of Surgery, Kagoshima University, 1208-1 Usuki-cho, 890 Kagoshima, Japan |
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Abstract: | Of fifty-eight consecutive patients surgically treated for aneurysm of the abdominal aorta, twenty were emergency cases following
the rupture. Associated diseases were found in 85 per cent of patients; hypertension being the most common. Fifty per cent
of patients were in shock on admission. The duration between rupture and operation was three hrs to two weeks with the average
of 115.5 hrs. In six patients, the diagnosis of abdominal aortic aneurysm was known for over six months. The operative mortality
rate in case of ruptured abdominal aortic aneurysm was 45 per cent. The most important determinants of survival were the incidence
of shock on admission, the incidence of associated disease, the known duration of the aneurysm, and the time interval from
rupture to admission. The intraoperative factors most influencing survival were the type of rupture, intraoperative hypotension,
and total blood loss. Comparison of the mortality rate in elective surgery of abdominal aortic aneurysms (5.3 per cent) with
that in ruptured aneurysms (45.0 per cent) suggests the necessity for early elective operations whenever abdominal aortic
aneurysms are diagnosed.
Presented at the Fifteenth Annual Meeting of the Japanese Association for Cardiovascular Surgery, Kanazawa, Japan, May 17–18,
1985. |
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Keywords: | abdominal aortic aneurysm rupture factors influencing operative mortality |
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