The safety of omitting prophylactic abdominal drainage after laparoscopic liver resection: Retrospective analysis of 100 consecutive cases.

Whether prophylactic abdominal drainage after laparoscopic liver resection (LLR) is necessary remains unclear. This study aimed to evaluate the safety of omitting prophylactic abdominal drainage after LLR. A retrospective analysis of 100 consecutive patients who underwent LLR at Osaka Rosai Hospital from April 2011 to November 2018 was performed. During this period, prophylactic abdominal drainage was routinely omitted during LLR without biliary anastomosis. The primary endpoint was the frequency of additional abdominal drainage. The secondary endpoint was the rate of postoperative complications. Ninety-six patients (96%) underwent partial resection or lateral segmentectomy, and 89 patients (89%) were Child-Pugh grade A. The median operative time was 102 (range, 31-274) minutes. The median blood loss was minimal (range, 0-280 ml), and blood transfusion was performed for one patient (1%). One case (1%) was converted to open surgery. Additional abdominal drainage was required for one patient (1%) with an intraabdominal abscess. Postoperative complications were seen in 5 patients (5%). High-grade complications (≥grade III according to the Clavien-Dindo classification) were seen in two patients (2%). There were no cases of reoperation or perioperative death. The median postoperative hospital stay was 8 (range, 4-65) days. Prophylactic abdominal drainage could be safely omitted for selected patients and operative procedures.

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No conflict of interest to declared.