PloS one · 2025
The effect of Tannic acid on colonic anastomosis in abdominal sepsis: An experimental study.
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Cikman Oztekin, Tas Sukru, Ozkan Omer Faruk, Ercan Umut, Turkon Hakan, Kilic Nihal, Akgun Yilmaz, Karaayvaz Muammer
Аннотация
BACKGROUND: This study aimed to evaluate the effect of tannic acid on colonic anastomosis in a sepsis model induced by cecal abrasion.
MATERIALS AND METHODS: Thirty Sprague-Dawley rats were used. The animals were randomly divided into three groups of ten: Group 1 (n:10): Colonic anastomosis + 0.9% isotonic NaCl. Group 2 (n:10): Cecal ligation and puncture + Colonic anastomosis + 0.9% isotonic NaCl. Group 3 (n:10): Cecal ligation and puncture + Colonic anastomosis + Tannic Acid group. The rats were sacrificed on the fifth postoperative day, and the resected colon segments, bursting pressure, hydroxyproline levels, and histopathologic features of the anastomosis were evaluated.
RESULTS: The bursting pressure value was statistically significantly higher in Group 3, where tannic acid was administered (p < 0.05). Group 2 and Group 3, in which peritonitis was induced, had moderate levels of fibroblastic activity, inflammatory cell infiltration, neovascularisation, and collagen; whereas, they were higher in Group 1. Although the inflammation value dropped in Group 3 compared to Groups 1 and 2, there was no statistical difference in Group 2. The hydroxyproline values were 2.046 ± 1.1411 mcg/gr and 5.9730 ± 4.35900 mcg/gr tissues, respectively, in Groups 2 and 3, where septic conditions prevailed, and a statistically significant difference was found (p < 0.05).
CONCLUSION: This experimental study revealed that the use of tannic acid during anastomosis has a positive effect on wound healing, acting through higher colonic anastomotic bursting pressures and higher tissue hydroxyproline levels.
MATERIALS AND METHODS: Thirty Sprague-Dawley rats were used. The animals were randomly divided into three groups of ten: Group 1 (n:10): Colonic anastomosis + 0.9% isotonic NaCl. Group 2 (n:10): Cecal ligation and puncture + Colonic anastomosis + 0.9% isotonic NaCl. Group 3 (n:10): Cecal ligation and puncture + Colonic anastomosis + Tannic Acid group. The rats were sacrificed on the fifth postoperative day, and the resected colon segments, bursting pressure, hydroxyproline levels, and histopathologic features of the anastomosis were evaluated.
RESULTS: The bursting pressure value was statistically significantly higher in Group 3, where tannic acid was administered (p < 0.05). Group 2 and Group 3, in which peritonitis was induced, had moderate levels of fibroblastic activity, inflammatory cell infiltration, neovascularisation, and collagen; whereas, they were higher in Group 1. Although the inflammation value dropped in Group 3 compared to Groups 1 and 2, there was no statistical difference in Group 2. The hydroxyproline values were 2.046 ± 1.1411 mcg/gr and 5.9730 ± 4.35900 mcg/gr tissues, respectively, in Groups 2 and 3, where septic conditions prevailed, and a statistically significant difference was found (p < 0.05).
CONCLUSION: This experimental study revealed that the use of tannic acid during anastomosis has a positive effect on wound healing, acting through higher colonic anastomotic bursting pressures and higher tissue hydroxyproline levels.