• Yasuhiro Shimada and Yoshio Kato.
• Department of Anesthesiology, Nagoya University School of Medicine, 65 Tsurumaicho, Showa-ku, 466, Nagoya, Japan.
• J Anesth. 1994 Mar 1; 8 (1): 1-5.

AbstractTo date, there have been no systematic studies on anesthetic accidents in Japan. This study was conducted to clarify the present status of anesthetic accidents by sending a questionnaire to a group of plaintiff's lawyers specializing in medical malpractice. At present, because of manpower shortages, anesthesia is provided by either anesthesia specialists (anesthesiologists) or non-anesthesiologist physicians in Japan. Among 112 lawsuits which involved the use of anesthesia, 64 were analyzed as to the person primarily responsible for administering the anesthesia, the types of anesthesia, the details of major mishaps, and intraoperative monitoring. Of particular note was a large number of deaths from cardiac arrest and hypotension in spinal anesthesia administered by non-anesthesiologists. The results clearly showed that non-anesthesiologists had a substantial incidence of mortality cases among accidents compared with anesthesiologists. Human error was the most frequent cause, but a lack and/or a grave omission of intraoperative monitors was found in non-anesthesiologist-related cases.

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