Intraoperative adverse events during laparoscopic colorectal resection—better laparoscopic treatment but unchanged incidence. Lessons learnt from a Swiss multi-institutional analysis of 3,928 patients
Kambakamba, P. ; Dindo, D. ; Nocito, A. ; Clavien, P. ; Seifert, B. ; Schäfer, M. ; Hahnloser, D.
In: Langenbeck's Archives of Surgery, 2014, vol. 399, no. 3, p. 297-305
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- Purpose: Intraoperative adverse events significantly influence morbidity and mortality of laparoscopic colorectal resections. Over an 11-year period, the changes of occurrence of such intraoperative adverse events were assessed in this study. Methods: Analysis of 3,928 patients undergoing elective laparoscopic colorectal resection based on the prospective database of the Swiss Association of Laparoscopic and Thoracoscopic Surgery was performed. Results: Overall, 377 intraoperative adverse events occurred in 329 patients (overall incidence of 8.4%). Of 377 events, 163 (43%) were surgical complications and 214 (57%) were nonsurgical adverse events. Surgical complications were iatrogenic injury to solid organs (n = 63; incidence of 1.6%), bleeding (n = 62; 1.6%), lesion by puncture (n = 25; 0.6%), and intraoperative anastomotic leakage (n = 13; 0.3%). Of note, 11% of intraoperative organ/puncture lesions requiring re-intervention were missed intraoperatively. Nonsurgical adverse events were problems with equipment (n = 127; 3.2%), anesthetic problems (n = 30; 0.8%), and various (n = 57; 1.5%). Over time, the rate of intraoperative adverse events decreased, but not significantly. Bleeding complications significantly decreased (p = 0.015), and equipment problems increased (p = 0.036). However, the rate of adverse events requiring conversion significantly decreased with time (p < 0.001). Patients with an intraoperative adverse event had a significantly higher rate of postoperative local and general morbidity (41.2 and 32.9% vs. 18.0 and 17.2%, p < 0.001 and p < 0.001, respectively). Conclusions: Intraoperative surgical complications and adverse events in laparoscopic colorectal resections did not change significantly over time and are associated with an increased postoperative morbidity.