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Article type: Research Article
Authors: Nemeth, Norbert | Kiss, Ferenc | Klarik, Zoltan | Peto, Katalin | Vanyolos, Erzsebet | Toth, Laszlo | Furka, Istvan | Miko, Iren
Affiliations: Department of Operative Techniques and Surgical Research, Institute of Surgery, University of Debrecen, Debrecen, Hungary | Department of Pathology, Medical and Health Science Center, University of Debrecen, Debrecen, Hungary
Note: [] Corresponding author: Norbert Nemeth, M.D., Ph.D., Department of Operative Techniques and Surgical Research, Medical and Health Science Centre, University of Debrecen, H-4032 Debrecen, Nagyerdei krt. 98., Hungary. Tel./Fax: +36 52 416 915; E-mail: nemeth@med.unideb.hu
Abstract: Ischemia-reperfusion-caused hemorheological alterations have been widely studied but the effect of testicular ischemia-reperfusion has not so far. In this study 14 Sprague-Dawley rats were involved. In the ischemia-reperfusion group under general anaesthesia the left testis was explored by opening the scrotum then the deferent duct and vasculature were clamped for 30 minutes. Testicular microcirculation was monitored by laser Doppler flowmetry. The right testis was untouched. In the control group: only anaesthesia was induced. Blood sampling occurred before and after ischemia, at the 60th minute of reperfusion and on the 1st postoperative day for determining hematological parameters (microcell-counter), erythrocyte deformability (slit-flow ektacytometer) and erythrocyte aggregation (light-transmission aggregometer). After the last blood sampling, testicles were removed for histological examination. Hematological parameter changes reflected inflammatory response. Erythrocyte deformability showed a worsening already at the 60th minute of reperfusion compared to base and control values. By the 1st postoperative day further decrease was observed. Erythrocyte aggregation significantly enhanced with great magnitude versus base and control values (p < 0.001). However, conventional histological examinations did not show marked testicular injury. The experienced changes can attract attention to the testicular ischemia-reperfusion causing significant effects on hemorheological parameters, which can lead to further harmful microcirculatory consequences.
Keywords: Testicular ischemia-reperfusion, red blood cell aggregation, red blood cell deformability, microcirculation, rat
DOI: 10.3233/CH-131664
Journal: Clinical Hemorheology and Microcirculation, vol. 57, no. 3, pp. 243-253, 2014
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