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Background  Application of abdominal negative-pressure therapy (NPT) is lifesaving when conservative measures fail to reduce sustained increase of the intra-abdominal pressure and it is impossible to achieve source control in a single operation due to severe peritonitis. The aim of this study is to share the initial experience with abdominal NPT in Latvia and provide a review of the relevant literature.    Methods  In total, 22 patients were included. All patients were treated with KCI ®  ABThera™ NPT systems. Acute Physiology and Chronic Health Evaluation II (APACHE II) score on admission, daily sequential organ failure assessment score and Mannheim peritonitis index (MPI) were calculated for severity definition. The frequency of NPT system changes, daily amount of aspirated fluid effluent and the time of abdominal closure were assessed. The overall hospital and ICU stay, as well as the outcomes and the complication rate, were analysed.    Results  A complicated intra-abdominal infection was treated in 18 patients. Abdominal compartment syndrome due to severe acute pancreatitis (SAP), secondary ileus and damage control in polytrauma were indications for NPT in four patients. The median age of the patients was 59 years (range, 28 to 81), median APACHE II score was 15 points (range, 9 to 32) and median MPI was 28 points (range, 21 to 40), indicating a prognostic mortality risk of 60%. Sepsis developed in all patients, and in 20 of them, it was severe. NPT systems were changed on a median of every 4 days, and abdominal closure was feasible on the seventh postoperative day without needing a repeated laparotomy. Two NPT systems were removed due to bleeding from the retroperitoneal space in patients with SAP. Intestinal fistulae developed in three patients that were successfully treated conservatively. Incisional hernia occurred in three patients. The overall ICU and hospital stay were 14 (range, 5 to 56) and 25 days (range, 10 to 87), respectively. Only one patient died, contributing to the overall mortality of 4.5%.    Conclusions  Application of abdominal NPT could be a very promising technique for the control of sustained intra-abdominal hypertension and management of severe sepsis due to purulent peritonitis. Further trials are justified for a detailed evaluation of abdominal NPT indications.

annals of intensive care

Abdominal negative-pressure therapy: a new method in countering abdominal compartment and peritonitis - prospective study and critical review of literature