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The Effects of Simvastatin on Ischemia Reperfusion Injury in an Experimental Colon Anastomosis Model

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Abstract

Anastomotic leakage is more frequently reported in colonic anastomoses. Ischemia reperfusion injury is one of the main reasons for anastomotic leakage. Simvastatin is known to prevent tissue damage induced by free oxygen radicals after ischemia reperfusion injury. The effect of simvastatin on colonic anastomosis impaired by ischemia reperfusion injury is investigated. Single layer, end-to-end colocolic anastomosis after 0.5-cm colon resection was performed in Wistar Albino rats. In Group 1 (control) (n = 10), colonic anastomosis without I-R was performed. In Group 2 (n = 10), the superior mesenteric artery was clamped for 10 min followed by 60 min of reperfusion after which resection anastomosis was performed. In Group 3 (n = 10), 10 mg/kg simvastatin was given by gavage for 7 days after I-R and resection anastomosis. In Group 4 (n = 10), the rats received 10 mg/kg simvastatin by gavage 7 days before and 7 days after ischemia reperfusion and surgery. All of the rats were sacrificed 8 days after surgery. Anastomotic bursting pressure and tissue hydroxyproline levels were measured. Postoperative administration of simvastatin restored the anastomotic bursting pressure and hydroxyproline levels to that of control group thus overcoming the effect of ischemia reperfusion injury. Simvastatin administered postoperatively in an experimental model of colonic resection anastomosis impaired by ischemia reperfusion injury increased anastomotic bursting pressures and tissue hydroxyproline levels. Further experimental and clinical studies will show whether administration of simvastatin will increase reliability of the anastomosis and decrease postoperative morbidity and mortality in colonic anastomosis after ischemia reperfusion injury.

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Authors and Affiliations

  1. Department of General Surgery, Medical Faculty, Kırıkkale University, Kırıkkale, Turkey

    Mahmut Akarsu, Oral Saygun, Kuzey Aydinuraz, Oktay Aydin & Cagatay Erden Daphan

  2. Department of Pathology, Medical Faculty, Kırıkkale University, Kırıkkale, Turkey

    Fatma Benli Tanrıkulu

  3. Department of Biochemistry, Medical Faculty, Kırıkkale University, Kırıkkale, Turkey

    Ucler Kisa

  4. Department of Physiology, Medical Faculty, Kırıkkale University, Kırıkkale, Turkey

    Faruk Metin Comu

Authors
  1. Mahmut Akarsu
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  2. Oral Saygun
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  3. Kuzey Aydinuraz
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  4. Oktay Aydin
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  5. Cagatay Erden Daphan
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  6. Fatma Benli Tanrıkulu
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  7. Ucler Kisa
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Correspondence to Kuzey Aydinuraz.

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Akarsu, M., Saygun, O., Aydinuraz, K. et al. The Effects of Simvastatin on Ischemia Reperfusion Injury in an Experimental Colon Anastomosis Model. Indian J Surg 79, 390–395 (2017). https://doi.org/10.1007/s12262-016-1493-y

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  • DOI: https://doi.org/10.1007/s12262-016-1493-y

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