Medical science monitor : international medical journal of experimental and clinical research · 2016
Mechanical Bowel Preparation Does Not Affect Anastomosis Healing in an Experimental Rat Model.
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Piroglu Isılay, Tulgar Serkan, Thomas David Terence, Cakiroglu Basri, Piroglu Mustafa Devrim, Bozkurt Yasin, Gergerli Ruken, Ates Nagihan Gozde
Аннотация
BACKGROUND: Mechanical bowel preparation before colorectal surgery is commonly performed, but its benefits are controversial. The aim of this study was to compare the effects of mechanical bowel preparation on healing of colonic anastomosis and tissue strength.
MATERIAL/METHODS: After institutional review board approval, 20 adult Wistar albino rats were randomly divided into 2 groups of 10 animals each. Mechanical bowel preparation including sodium phosphate was performed on the experimental group via a feeding tube, whereas no bowel preparation procedures were performed on the control group. Transverse colon resection and anastomosis were performed on all rats under general anaesthesia. On postoperative day 5, re-laparotomy was performed and the anastomotic areas were resected. Animals were killed, after which bursting pressure and tissue hydroxyproline concentrations were measured, histopathological examination was performed, and we evaluated and compared the results.
RESULTS: There were no differences between control and experimental groups in bursting pressure, tissue hydroxyproline concentrations, or histopathological examination results (P>0.05).
CONCLUSIONS: Our study demonstrated no significant difference between bursting pressures, tissue hydroxyproline levels, or modified wound healing score at postoperative day 5 between rats undergoing and not undergoing mechanical bowel preparation. Mechanical bowel preparation is not essential for healing or strength of colonic anastomosis in rats.
MATERIAL/METHODS: After institutional review board approval, 20 adult Wistar albino rats were randomly divided into 2 groups of 10 animals each. Mechanical bowel preparation including sodium phosphate was performed on the experimental group via a feeding tube, whereas no bowel preparation procedures were performed on the control group. Transverse colon resection and anastomosis were performed on all rats under general anaesthesia. On postoperative day 5, re-laparotomy was performed and the anastomotic areas were resected. Animals were killed, after which bursting pressure and tissue hydroxyproline concentrations were measured, histopathological examination was performed, and we evaluated and compared the results.
RESULTS: There were no differences between control and experimental groups in bursting pressure, tissue hydroxyproline concentrations, or histopathological examination results (P>0.05).
CONCLUSIONS: Our study demonstrated no significant difference between bursting pressures, tissue hydroxyproline levels, or modified wound healing score at postoperative day 5 between rats undergoing and not undergoing mechanical bowel preparation. Mechanical bowel preparation is not essential for healing or strength of colonic anastomosis in rats.