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Histopathological study of the eeffect of rofecoxib on healing of stomach surgical wounds in the rats

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Author(s): Daryoush Mohajeri | Ghafour Mousavi | Ali Rezaei | Hossein Jodeiri

Journal: Zahedan Journal of Research in Medical Sciences
ISSN 2228-6403

Volume: 12;
Issue: 1;
Start page: 20;
Date: 2010;
Original page

Keywords: Rofecoxib | wound healing | stomach | rat

ABSTRACT
Background: Nowadays faster healing of surgical wounds is more challenging to researchers. The aim of the present study was to histopathological evaluate of the effect of rofecoxib, a non-steroidal anti-inflammatory drug, on healing of surgical wound in rats stomach. Materials and Methods: Sixty male Wistar rats were randomly assigned into three groups (control, positive control and experimental) of twenty animals each. A gastrotomy incision with the length of 1 cm was made in greater curvature of stomach in the rats, thereafter, sutured in 2 layers. Experimental group received rofecoxib (15 mg/kg) dissolved in Dimethyl Sulfoxide (DMSO) 5% (10 mL/Kg) daily for 15 days through the gavage. Positive control and control groups received DMSO 5% (10 mL/Kg) and normal saline (10 mL/Kg), respectively, in the same manner. Histopathological studies and comparison of wound healing among the groups were carried out considering more effective agents on wound healing including proliferation of fibroblasts, angiogenesis, re-epithelialization and collagen organization in healing tissue. Significant differences among the groups were determined by one-way analysis of variance followed by Bonferroni post-test. Statistical significance was considered at p
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