A Novel Hydrogel Sheet Prevents Postoperative Pancreatic Fistula in a Rat Model

Overview

Journal J Hepatobiliary Pancreat Sci

Date 2020 Nov 12

PMID 33179402

Citations 4

Authors

Akira Kemmochi

Takafumi Tamura

Yoshio Shimizu

Yohei Owada

Yusuke Ozawa

Katsuji Hisakura

Tatsuya Oda

Yayoi Kawano

Takehisa Hanawa

Nobuhiro Ohkohchi

Affiliations

Soon will be listed here.

Abstract

Aim: To evaluate the efficacy of a novel hydrogel sheet in preventing postoperative pancreatic fistula (POPF).

Background: Postoperative pancreatic fistula is a life-threatening complication. As no study has reported the use of hydrogel sheets in preventing POPF, their effectiveness for that purpose remains unclear.

Methods: A novel hydrogel sheet made of polyvinyl alcohol (PVA) was prepared by the freeze-thaw method. The pancreatic ducts and surrounding pancreatic parenchyma of rats were transected to induce a pancreatic fistula. Next, the sheet was attached to the transection site. Ascitic fluid amylase and lipase concentrations were measured. Neoveil , a nonwoven polyglycolic acid (PGA) felt, is already clinically used as an absorbable reinforcing material at pancreatic transection sites. Neoveil was used for comparison, as was VIEWGEL , which is marketed as a wound dressing.

Results: The hydrogel sheet remained in place 48 hours postoperatively. The ascitic amylase concentrations in the control, VIEWGEL -treated, Neoveil -treated, and hydrogel-treated rats, respectively, were 4992.4 ± 5355.7, 1068.4 ± 269.1, 730.2 ± 425.2, and 303.1 ± 240.1 IU/L; the ascitic lipase concentrations were 2279.8 ± 3395.2, 169.5 ± 100.6, 90.4 ± 71.0, and 86.8 ± 59.8 IU/L. The ascitic amylase and lipase levels were significantly lower in the hydrogel group than in the other groups (P < .05).

Conclusions: This novel hydrogel sheet effectively prevents pancreatic fistulas and has promising clinical application potential.

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A novel hydrogel sheet prevents postoperative pancreatic fistula in a rat model.

Kemmochi A, Tamura T, Shimizu Y, Owada Y, Ozawa Y, Hisakura K J Hepatobiliary Pancreat Sci. 2020; 28(2):192-201.

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