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  • Title: Dislocation of intra-abdominal drains after pancreatic surgery: results of a prospective observational study.
    Author: Marchegiani G, Ramera M, Viviani E, Lombardo F, Cybulski A, Chincarini M, Malleo G, Bassi C, Zamboni GA, Salvia R.
    Journal: Langenbecks Arch Surg; 2019 Mar; 404(2):213-222. PubMed ID: 30771076.
    Abstract:
    PURPOSE: The use of intra-abdominal drains after major surgical procedures represents a well-established but controversial practice. No data are available regarding both the occurrence and the potential impact of their postoperative accidental dislocation. The aim of this study is to assess the actual rate of dislocation of intra-abdominal drains postoperatively and to evaluate its clinical impact. METHODS: This is a prospective observational study using major pancreatic surgery as a model. Ninety-one consecutive patients undergoing pancreatoduodenectomy (PD) or distal pancreatectomy (DP) underwent low-dose, non-enhanced computed tomography (LDCT) on postoperative days (POD) 1 and 3 in a blinded fashion to assess the position of drains. We compared the outcomes of patients with dislocated and correctly placed drains. RESULTS: Overall, drains were dislocated in 30 patients (33%), without differences between PD and DP. Most of dislocations were already present on POD 1 (77%). Postoperative complications occurred in 57% of patients, and the rate of postoperative pancreatic fistula (POPF) was 27%. The dislocated cohort had lesser morbidity (40% vs. 66%; relative risk (RR), 0.35; 95% CI, 0.14-0.86; P = 0.020), and the rate of POPF (3% vs. 39%, respectively; RR, 0.05; 95% CI, 0.01-0.42; P < 0.001). After PD, patients with dislocated drains had a shorter hospital stay (12 vs. 20 days; P = 0.015). No significant differences in terms of need for percutaneous drainage procedures, abdominal collections, or grade C POPFs were found between the groups. CONCLUSIONS: Dislocation of intra-abdominal drains is an early and frequent event after major pancreatic resection. Its occurrence might protect against the negative effects of maintaining drainage, eventually leading to better postoperative outcomes. This data reinforces the knowledge that surgical drains might be detrimental in selected cases.
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