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American Society of Anesthesiologists' (ASA) Physical Status System and Risk of Major Clavien-Dindo Complications
Antonio Benito Porcaro1, Riccardo Rizzetto1, Nelia Amigoni1
1Present Address: Department of Urology, University of Verona, Azienda Ospedaliera Universitaria Integrata, Verona, Italy.
Objective:
To test the hypothesis of associations of preoperative physical status system with major postoperative complications at hospital discharge in prostate cancer (PCa) patients treated with robot-assisted radical prostatectomy (RARP).
Materials And Methods:
In a period ranging from January 2013 to October 2020, 1143 patients were evaluated. The physical status was assessed by the American Society of Anesthesiologists' (ASA) system, which was computed trained anesthesiologists. The Clavien-Dindo system was used to classify postoperative complications, which were coded as major if greater than 1.
Results:
ASA physical status system included class I in 102 patients (8.9%), class II in 934 subjects (81.7%), and class III in 107 cases (9.4%). Clavien-Dindo complications were distributed as follows: grade 1: 141 cases (12.3%), grade 2: 108 patients (9.4%), grade 3a: 5 subjects (0.4%), grade 3b: 9 patients (0.8%), and grade 4a: 3 cases (0.3%). Overall, major complications were detected in 125 cases (10.9%). On multivariate analysis, major Clavien-Dindo complications were predicted by ASA score grade II (adjusted odds ratio, OR = 2.538; 95%CI 1.007-6.397; p = 0.048) and grade III (adjusted OR 3.468; 95%CI 1.215-9.896; p = 0.020) independently by pelvic lymph node dissection (PLND) and/or blood lost.
Conclusion:
In RARP surgery, the risk of major postoperative Clavien-Dindo complications increased as the physical status system deteriorated independently by performing or not a PLND and/or large intraoperative blood lost. The ASA score system was an effective predictor of major Clavien-Dindo complications, which delayed LOHS in RARP surgery. Confirmatory studies are required.
Supplementary Information:
The online version contains supplementary material available at 10.1007/s13193-022-01577-9.
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