Ann Surg Treat Res. 2017 Sep;93(3):159-165. doi: 10.4174/astr.2017.93.3.159. Epub 2017 Aug 30.
Sustained-released mixture of vascular endothelial growth factor 165 and fibrin glue strengthens healing of ileal anastomoses in a rabbit model with intraperitoneal infection.
Annals of surgical treatment and research
Zhanwu Li, Wenjun Wang, Xiaozhou Wang, Lei Jiang, Fengyi Wang, Qiang Liu
Affiliations
Affiliations
- Department of Emergency Surgery, Affiliated Zhongshan Hospital of Dalian University, Liaoning, China.
PMID: 28932732
PMCID: PMC5597540 DOI: 10.4174/astr.2017.93.3.159
Abstract
PURPOSE: To investigate the effects of a sustained-released mixture of vascular endothelial growth factor 165 (VEGF165) and fibrin glue (FG) local administration on postoperative rabbit ileal anastomoses.
METHODS: One hundred twenty-eight male and female New Zealand white rabbits underwent intraperitoneal infection subsequent ileal anastomosis surgery were divided randomly into 4 groups, including 32 animals in each, applied with saline solution, FG, rhVEGF165 and a mixture of rhVEGF165 with FG (VEGF + FG) on the anastomoses, respectively. The incidences of anastomotic leakage were observed. Histopathological examination for inflammatory infiltration, fibroblast proliferation, and capillary vascular proliferation were performed. Then, bursting pressure and hydroxyproline concentrations were assessed in anastomoses sits on postoperative days 3, 5, 7, and 14.
RESULTS: Rabbits in VEGF + FG group had the lowest incidence of leakage (P < 0.05). Histological evaluations revealed that granulation tissue was formed on days 5 after anastomosis; fibroblast proliferation and capillary vascular proliferation were significantly increased on days 7 and 14 in VEGF + FG group. Furthermore, there was a statistically significant difference in the mean bursting pressures between VEGF + FG group and other groups on days 7 and 14 (P < 0.05), and rabbits in VEGF + FG group exhibited a higher concentration than VEGF group (P < 0.05) and FG group (P < 0.05) on day 14.
CONCLUSION: Administration of VEGF165 mixed with FG to ileal anastomosis accelerates wound healing and enhances the anastomosis by increased angiogenesis.
Keywords: Anastomotic leak; Delayed-action preparations; Fibrin tissue adhesive; Ileum; Vascular endothelial growth factor A
Conflict of interest statement
CONFLICTS OF INTEREST: No potential conflict of interest relevant to this article was reported.
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