The Effect of Octreotide on Healing of Injured Colonic Anastomosis with Immediate Postoperative Intraperitoneal Administration of 5-Fluorouracil |
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Authors: | Tahsin Colak Ahmet Dag Ozgur Turkmenoglu Ayse Polat Ulku Comelekoglu Ozlen Bagdatoglu Gurbuz Polat Tamer Akca Ilker Sucullu Suha Aydin |
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Affiliation: | (1) Faculty of Medicine, Department of General Surgery, Mersin University, Tip Fakultesi Hastanesi, Zetinlibahce C., Mersin, 33097, Turkey;(2) Faculty of Medicine, Department of Pathology, Mersin University, Mersin, Turkey;(3) Faculty of Medicine, Department of Biophysics, Mersin University, Mersin, Turkey;(4) Faculty of Medicine, Department of Biochemistry, Mersin University, Mersin, Turkey |
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Abstract: | Purpose This study was designed to investigate the effect of octreotide on side effects of immediate usage of 5-fluorouracil after colonic anastomosis. Methods Forty male Wistar rats were randomly assigned into four groups and underwent standardized left colonic anastomosis. The rats served as control or received intraperitoneal 5-fluorouracil (20 mg/kg daily), subcutaneous octreotide (20 μg/kg daily), or both. Diarrhea and wound complications were noted during the experiment. The colonic anastomoses were assessed for healing on postoperative Day 7 by determining the anastomotic bursting pressure, performing histologic examination, and measuring the tissue hydroxyproline content, serum malondialdehyde, and nitric oxide levels. Intraperitoneal adhesions and anastomotic leakage were also noted. Results No statistical significant difference was found between the control and octreotide groups for each of the parameters measured. Immediate 5-fluorouracil use resulted with higher adhesion score (P = 0.002), significant depression in anastomotic bursting pressure (P = 0.0001), histopathologic score (P = 0.0001), hydroxyproline content (P = 0.0001), and increasing nitric oxide (P = 0.0001) and malondialdehyde levels (P = 0.0001) compared with the control group. Diarrhea was seen in 80 percent of the 5-fluorouracil group but in neither the control nor octreotide groups (P = 0.0001 for each comparison). However, all these parameters were ameliorated by use of concomitant octreotide and 5-fluorouracil (P = 0.019, P = 0.023, P = 0.0001, P = 0.006, P = 0.0001, and P = 0.013, respectively). In addition, diarrhea was found to be prevented (P = 0.0001). Conclusions The results of this study showed that concomitant octreotide use might prevent the side effects of 5-fluorouracil, such as diarrhea, postoperative adhesion, and delaying the anastomotic healing parameters. In addition, it might reduce tissue damage and inflammation. |
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Keywords: | Anastomotic bursting pressure Colonic anastomosis Chemotherapy 5-fluorouracil Hydroxyproline Nitric oxide Malondialdehyde Octreotide Side effects |
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