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01-04-2018 | General Gynecology

A prospective randomized experimental study to investigate the peritoneal adhesion formation after waterjet injection and argon plasma coagulation (HybridAPC) in a rat model

Authors: Bernhard Kraemer, Marcus Scharpf, Simon Keckstein, Julia Dippon, Christos Tsaousidis, Kristin Brunecker, Markus Dominik Enderle, Alexander Neugebauer, Daniela Nuessle, Falko Fend, Sara Brucker, Florin-Andrei Taran, Stefan Kommoss, Ralf Rothmund

Published in: Archives of Gynecology and Obstetrics | Issue 4/2018

Abstract

Background

This prospective, randomized, controlled, single-blinded study investigates the peritoneal adhesion formation of HybridAPC (waterjet elevation of the peritoneum with subsequent argon plasma coagulation) versus only waterjet (elevation with the same instrument, but without subsequent argon plasma coagulation) in a rat model (24 female Wistar rats).

Materials and methods

Bilateral lesions were created on the abdominal wall with HybridAPC on one sidewall and waterjet elevation on the other sidewall of the peritoneum in a standard fashion. After 10 days, the rats were euthanized to evaluate the peritoneal trauma sites.

Main outcome measure(s)

Adhesion incidence, quantity, and quality were scored 10 days postoperatively and studied histopathologically.

Result(s)

Incidence of adhesion formation was 2.3% for HybridAPC; no adhesions occurred for peritoneal elevation with saline (p = 1.00). Histologic evaluation revealed no acute inflammation in both groups. An overall moderate degree of granulation tissue formation and myonecrosis was observed in the HybridAPC group, whereas no chronic inflammation and myonecrosis occurred after elevation without thermal ablation (p < 0.0001).

Conclusion(s)

This study investigates the effect of waterjet elevation of the peritoneum with and without subsequent thermal ablation on adhesion formation in a rat model for the first time. Peritoneal waterjet elevation with saline does not provide any risk of adhesion formation. Thermal coagulation with APC after waterjet elevation of the peritoneum creates advantageous peritoneal conditions due to a permanent moist tissue surface and the cooling effect of the injected solution, resulting in no significant difference in adhesion formation compared to peritoneal elevation without thermal ablation. HybridAPC can thus be regarded as a beneficial coagulation method with only minor adhesion formation due to positive tissue effects of the combined waterjet.

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Title: A prospective randomized experimental study to investigate the peritoneal adhesion formation after waterjet injection and argon plasma coagulation (HybridAPC) in a rat model
Authors: Bernhard Kraemer
Marcus Scharpf
Simon Keckstein
Julia Dippon
Christos Tsaousidis
Kristin Brunecker
Markus Dominik Enderle
Alexander Neugebauer
Daniela Nuessle
Falko Fend
Sara Brucker
Florin-Andrei Taran
Stefan Kommoss
Ralf Rothmund
Publication date: 01-04-2018
Publisher: Springer Berlin Heidelberg
Published in: Archives of Gynecology and Obstetrics / Issue 4/2018
Print ISSN: 0932-0067
Electronic ISSN: 1432-0711
DOI: https://doi.org/10.1007/s00404-018-4661-4

At a glance: The STEP trials

Springer Medicine

A prospective randomized experimental study to investigate the peritoneal adhesion formation after waterjet injection and argon plasma coagulation (HybridAPC) in a rat model

Abstract

Background

Materials and methods

Main outcome measure(s)

Result(s)

Conclusion(s)

At a glance: The STEP trials

Springer Medicine

Abstract

Background

Materials and methods

Main outcome measure(s)

Result(s)

Conclusion(s)

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