Anaesthesia care team improves outcomes in surgical patients compared with solo anaesthesiologist An observational study

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BACKGROUND In anaesthesiology, little attention has been drawn to the role of anaesthesia nurses as support personnel on quality of care. OBJECTIVES To compare an anaesthesiologist alone (solo anaesthesiologist) with an anaesthesia care team (anaesthesiologist and anaesthesia nurse). DESIGN An observational study. SETTING A single centre study. PARTICIPANTS Anaesthesiologists and anaesthesia nurses. INTERVENTION Anaesthesia performed by solo anaesthesiologists compared with anaesthesia care teams. MAIN OUTCOME MEASURES 30-day postoperative mortality and hospital length of stay. Propensity score matching was performed by logistic regression to adjust for baseline differences between the two groups and pairs of perfectly matched patients were formed. RESULTS Anaesthesia was performed by solo anaesthesiologists in 2832 patients and by an anaesthesia care team in 2842 patients. Matching with 2095 pairs of perfectly matched patients was formed. The two groups were comparable in respect of sex and duration of anaesthesia but differed notably for age, American Society of Anesthesiologists’ physical status score and type of surgery. Logistic regression showed a significantly lower 30-day mortality rate for the anaesthesia care teams compared with solo anaesthesiologists (0.76 vs. 1.56%, P ¼ 0.0014). Length of hospital stay was also significantly reduced when an anaesthesia nurse was present (4.9 + 10.1 vs. 5.6 + 11.5 days, P ¼ 0.0011). CONCLUSION Anaesthesia given by teams of anaesthesiologists and anaesthesia nurses is associated with decreased 30-day postoperative mortality and shorter length of stay when compared with solo anaesthesiologists. Even without any demonstration of causality, this emphasises the benefits of the anaesthesia care team model.




Dony, P., Seidel, L., Pirson, M., & Forget, P. (2019). Anaesthesia care team improves outcomes in surgical patients compared with solo anaesthesiologist An observational study. European Journal of Anaesthesiology, 36(1), 64–69.

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