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- Title
Experimental colonic healing in relation to timing of 5-fluorouracil therapy.
- Authors
Weiber, S.; Graf, W.; Glimelius, B.; Jiborn, H.; Påhlman, L.; Zederfeldt, B.
- Abstract
In an experimental study resembling clinical use of adjuvant 5-fluorouracil (5-FU) treatment of colorectal carcinoma, 97 male Wistar rats were operated on with a standardized left colonic resection. Treatment was given as a daily intraperitoneal injection. The animals were randomized to one of four groups: early treatment with 5-FU 20 mg/kg or saline 0·1 mol/l from the third day after operation to the day 7 after operation, and delayed treatment with 5-FU 20 mg/kg or saline 0·1 mol/l from the third day after operation to the day before killing. The animals were killed in groups on day 7 or 10 after operation. In the group receiving early 5-FU treatment there was an increased rate of anastomotic complications (seven of 26) compared with none in the control or delayed 5-FU groups. The anastomotic breaking strength in animals having early 5-FU treatment (day 7, median 1·45 (range 0·20-2·95) N; day 10, median 1·80 (range 0·95-3·20) N) was significantly lower than that in controls on both day 7 (median 3·20 (range 2·50-3·80) N) and day 10 (median 3·20 (range 2·20-3·60) N). In the delayed 5-FU treatment group anastomotic breaking strength did not differ from that in controls. Colonic healing was not impaired when intraperitoneal 5-FU treatment was started on day 3 after operation, whereas immediate postoperative administration of 5-FU had a detrimental effect on wound healing.
- Publication
British Journal of Surgery, 1994, Vol 81, Issue 11, p1677
- ISSN
0007-1323
- Publication type
Article
- DOI
10.1002/bjs.1800811140