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14.04.2017 | Ausgabe 11/2017

Surgical Endoscopy 11/2017

The effect of a novel minimally invasive strategy for infected necrotizing pancreatitis

Zeitschrift:
Surgical Endoscopy > Ausgabe 11/2017
Autoren:
Zhihui Tong, Xiao Shen, Lu Ke, Gang Li, Jing Zhou, Yiyuan Pan, Baiqiang Li, Dongliang Yang, Weiqin Li, Jieshou Li
Wichtige Hinweise

Electronic supplementary material

The online version of this article (doi:10.​1007/​s00464-017-5522-0) contains supplementary material, which is available to authorized users.
Zhihui Tong and Xiao Shen have contributed equally to this work.

Abstract

Background

Step-up approach consisting of multiple minimally invasive techniques has gradually become the mainstream for managing infected pancreatic necrosis (IPN). In the present study, we aimed to compare the safety and efficacy of a novel four-step approach and the conventional approach in managing IPN.

Methods

According to the treatment strategy, consecutive patients fulfilling the inclusion criteria were put into two time intervals to conduct a before-and-after comparison: the conventional group (2010–2011) and the novel four-step group (2012–2013). The conventional group was essentially open necrosectomy for any patient who failed percutaneous drainage of infected necrosis. And the novel drainage approach consisted of four different steps including percutaneous drainage, negative pressure irrigation, endoscopic necrosectomy and open necrosectomy in sequence. The primary endpoint was major complications (new-onset organ failure, sepsis or local complications, etc.). Secondary endpoints included mortality during hospitalization, need of emergency surgery, duration of organ failure and sepsis, etc.

Results

Of the 229 recruited patients, 92 were treated with the conventional approach and the remaining 137 were managed with the novel four-step approach. New-onset major complications occurred in 72 patients (78.3%) in the two-step group and 75 patients (54.7%) in the four-step group (p < 0.001). For other important endpoints, although there was no statistical difference in mortality between the two groups (p = 0.403), significantly fewer patients in the four-step group required emergency surgery when compared with the conventional group [14.6% (20/137) vs. 45.6% (42/92), p < 0.001]. In addition, stratified analysis revealed that the four-step approach group presented significantly lower incidence of new-onset organ failure and other major complications in patients with the most severe type of AP.

Conclusion

Comparing with the conventional approach, the novel four-step approach significantly reduced the rate of new-onset major complications and requirement of emergency operations in treating IPN, especially in those with the most severe type of acute pancreatitis.

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Zusatzmaterial
Supplementary material 1 (PDF 83 kb)
464_2017_5522_MOESM1_ESM.pdf
Literatur
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