• Michael J Kremer, Margaret Faut-Callahan, and Frank D Hicks.
• Rush University Nurse Anesthesia Program, Adult Health Nursing, Rush University College of Nursing, Rush-Presbyterian-St Luke's Medical Center, Chicago, Ill., USA.
• AANA J. 2002 Oct 1; 70 (5): 391-7.

AbstractAnesthesia outcomes and related risk factors have been studied for more than 100 years. Varying sample sizes and research methods have been used, with research findings that were open to multiple interpretations. Research with closed malpractice claims demonstrates that American Society of Anesthesiologists physical status II patients undergoing elective procedures are most likely to experience damaging events intraoperatively with resultant postoperative adverse outcomes. The process of care, including clinical decision making, contributes to adverse outcomes. Clinical decision making can be difficult to assess and measure. In this study, the cognitive psychology framework of information-processing theory and literature pertaining to the use of heuristics, or rules of thumb, and clinical biases, were used to analyze cases from the AANA Foundation closed malpractice claims database. This database contains more than 300 files involving St Paul Fire and Marine Insurance Company-covered CRNAs from across the United States. These files were analyzed by 10 CRNA investigators on the AANA Closed Claims research team. Variables such as inadequate preinduction activities, e.g., incomplete preanesthetic assessments, and use of cognitive biases and inaccurate probability estimation were associated with adverse outcomes in this research sample. Teaching of decision science in basic and continuing nurse anesthesia education is advocated.

This article appears in the collection: Decision Making in Anaesthesia & Critical Care.

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