• Journal of anesthesia · Dec 2020

    The incidence and reasons for canceled surgical cases in an academic medical center: a retrospective analysis before and after the development of a preoperative anesthesia clinic.

    • Mariko Sato, Mitsuru Ida, Yusuke Naito, and Masahiko Kawaguchi.
    • Department of Anesthesiology, Nara Medical University, 840 Shijo-cho, Kashihara, Nara, 634-8522, Japan.
    • J Anesth. 2020 Dec 1; 34 (6): 892-897.

    PurposeThe development of a preoperative anesthesia clinic (PAC) can reduce the number of surgical cases canceled on the day of surgery. However, there are only a few studies on the details of cancellations in the operating room. This study aimed to assess the incidence and reasons for surgical cases canceled from admission to the operating room to the start of surgery.MethodsThis retrospective study involved patients who underwent anesthesia performed by anesthesiologists between January 2008 and March 2019. We focused on case cancellations occurring from admission to the operating room to the start of surgery. We classified the reasons for cancellation into four categories: insufficient preoperative anesthetic assessment, anesthetic issues/complications, medical problems related to patients' comorbidity, and others. We evaluated and compared the incidence and reasons for cancellation before and after the establishment of a PAC.ResultsAmong a total of 48,089 scheduled surgery, 18 (0.037%, 95% confidence interval 0.019-0.055) cases were canceled. The total cancellation rate before and after the development of a PAC was not statistically significant (0.051% vs 0.022%, P = 0.10). Before the development of a PAC, the most common reason was insufficient preoperative anesthetic assessment in 46.1%, followed by anesthetic issues/complications (23.0%), medical problems related to patients' comorbidity (15.3%), and others (15.3%). After the development of a PAC, surgeries were canceled for medical problems related to patients' comorbidity (80.0%) and anesthetic issues/complications (20.0%).ConclusionsThe total incidence of surgical case cancellations was 0.037%. Before and after the development of a PAC, cancellation rate was comparable. After the development of a PAC, none case were canceled due to insufficient preoperative anesthetic assessment.

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