Outcomes From Minimal Access Retroperitoneal and Open Pancreatic Necrosectomy in 394 Patients With Necrotizing Pancreatitis.
2016
To examine the outcomes from minimal access retroperitoneal pancreatic necrosectomy (MARPN) and open pancreatic necrosectomy (OPN) for severe necrotizing pancreatitis in a single center.The optimal management of severe pancreatic necrosis is evolving with a few large center single series.Between 1997 and 2013, patients with necrotizing pancreatitis at the Liverpool Pancreas Center were reviewed. Outcome measures were retrospectively analyzed by intention to treat.There were 394 patients who had either MARPN (274, 69.5%) or OPN (120, 30.5%). Complications occurred in 174 MARPN patients (63.5%) and 98 (81.7%) OPN patients (P < 0.001). OPN was associated with increased postoperative multiorgan failure [42 (35%) vs 56 (20.4%), P = 0.001] and median (inter-quartile range) Acute Physiology and Chronic Health Evaluation II score 9 (6-11.5) vs 8 (5-11), P < 0.001] with intensive care required less frequently in MARPN patients [40.9% (112) vs 75% (90), P < 0.001]. The mortality rate was 42 (15.3%) in MARPNs and 28 (23.3%) in OPNs (P = 0.064). Both the mortality and the overall complication rates decreased between 1997-2008 and 2008-2013 [49 (23.8%) vs 21 (11.2%) P = 0.001, respectively; and 151 (73.3%) vs 121 (64.4%), P = 0.080, respectively). Increased mortality was independently associated with age (P < 0.001), preoperative intensive care stay (P = 0.014), and multiple organ failure (P < 0.001); operation before 2008 (P < 0.001) and conversion to OPN (P = 0.035). MARPN independently reduced mortality odds risk (odds ratio = 0.27; 95% confidence interval = 0.12-0.57; P < 0.001).Increasing experience and advances in perioperative care have led to improvement in outcomes. The role of MARPN in reducing complications and deaths within a multimodality approach remains substantial and should be used initially if feasible.
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