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Prevention of surgical adhesions with barriers of carboxymethylcellulose and poly(ethylene glycol) hydrogels synthesized by irradiation
Author(s) -
Lee JoonHo,
Nho YoungChang,
Lim YounMook,
Son TaeIl
Publication year - 2005
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.21558
Subject(s) - self healing hydrogels , ethylene glycol , peg ratio , cecum , adhesion , materials science , polymer chemistry , chemistry , biomedical engineering , composite material , medicine , organic chemistry , finance , economics
Biocompatible and biodegradable hydrogels based on carboxymethylcellulose (CMC) and poly(ethylene glycol) (PEG) were prepared as physical barriers for preventing surgical adhesions. These interpolymeric hydrogels were synthesized by a γ‐irradiation crosslinking technique. Sections (1.5 cm × 1.5 cm) of the cecal serosa and an adjacent abdominal wall were abraded with a bone burr until the serosal surface was disrupted and hemorrhagic but not perforated, and the serosa of the cecum was sutured to the abdominal wall 5 mm away from the injured site. The denuded cecum was covered with either CMC/PEG hydrogels or a solution from a CMC/PEG hydrogel. A control rat serosa was not covered. Two weeks later, the rats were killed, and the adhesions were scored on a 0–5 scale. No treatment showed a significantly higher incidence of adhesions than the CMC/PEG hydrogels or solutions from the CMC/PEG hydrogels. This study demonstrated that CMC/PEG hydrogels could prevent intra‐abdominal adhesion in a rat model. © 2005 Wiley Periodicals, Inc. J Appl Polym Sci 96: 1138–1145, 2005