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28 December 2007

Colchicine against ischemia-reperfusion injury in experimental lung transplantation

Jaroslaw Pieróg, Bartosz Kubisa, Tomasz Grodzki, Janusz Wójcik, Juliusz Pankowski, Justyna Ostrowska, Zygmunt Juzyszyn, Marek Droździk

Ann Transplant 2007; 12(4): 32-37 :: ID: 764932

Abstract

Background: To asses the influence of colchicine, a potent antinflammatory agent and neutrophile migration inhibitor, on Ischemia-Reperfusion Injury (IRI) in rat lung isogeneic transplantation.
Material/Methods: Isogeneic, orthotropic single left lung transplantations were performed among male Wistar rats after total ischemic graft storage time of 12 or 18 hours in temperature of 4°C. Recipients received either no specific treatment (control) or Colchicine 1.2 mg/kg/d ip. Twenty-four hours after transplantation, the native contralateral lung was occluded to assess graft gas exchange function (PaO[sub]2[/sub]). The lung graft was excised and assessed for Wet/Dry ratio (W/D) as a measure of edema, Myeloperoxidase activity (MPO) as a measure of neutrophile migration and histology.
Results: PaO[sub]2[/sub] differences were not significant among all groups. Comparing colchicine to control group, the W/D ratio 3.93±0.66 vs. 1.86±0.32, p=0.002 and MPO 8.1±3.34 vs. 5.87±1.76, p=0.046 were significantly higher for 18 hours colchicine group.
Comparing 18 to 12 hours time groups, the W/D ratio 5.70±1.53 vs. 1.86±0.32, p=0.007 for control groups and 5.40±1.49 vs. 3.93±0.66, p=0.049 for colchicine groups were signifi cantly higher for both 12 h groups. Histology favored colchicine treated animals.
Conclusions: Colchicine in tested dose does not decrease edema after lung transplantation and does not improve lung function. 18 vs. 12 hours total ischemic graft storage time causes less lung edema.

Keywords: Colchicine, Ischemia reperfusion injury, Lung Transplantation

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Annals of Transplantation eISSN: 2329-0358
Annals of Transplantation eISSN: 2329-0358