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白鼠 急性虛血性 骨격筋의 組織學的 및 組織化學的 變化에 미치는 Dimethyl Sulfoxide의 影響
이동근,손창신,양경무,조남표,정신호,최호열 의과학연구소 1991 全北醫大論文集 Vol.15 No.3
This experimental study was carried out to investigate the effect of dimethyl sulfoxide on the experimentally induced ischemic injury of skeletal muscle. The ischemic injury of the skeletal muscle was induced by the atraumatic clamping of the common iliac artery, and then reperfused after 1 hour and 5 hours, respectively. Immediately after reperfusion, experimental group were received 5㎖ of 20% solution of DMSO intravenously with a constant rate(0.5㎖/min) using infusion pump,and control group were received an equal volume of physiologic saline. histological and enzyme histochemical stains for H&E, trichrome, PAS, SDH and reversed myosin-ATPase on the flash-frozen sections of soleus muscle were performed on the 24hours after operation. The following results were obtained. 1.The soleus muscle ischemic for 1 Hour revealed only focal edema of the endomysium and perimysium. And the muscle ischemic for 5 hours exhibited pyknosis and focal disappearance of the sarcolemmal nuclei, flocculation of the sarcoplasm, endomysial and perimysial edema, and discoidal degeneration of muscle fibers. But there was no difference between the control and DMSO-treated group. 2.The total number of muscle fibers per unit area in the group of 5 hours ischemia was decreased in comparison with the normal rats. But the difference between the control and DMSO-treated group was not significant. 3.The proportion of muscle fiber types in both ischemic groups equally showed decrease in S-type onPAS stain. But there was no difference between the control and DMSO-treated group. These experimental results demonstrated that dimethyl sulfoxide revealed no protective effect against the acute ischemic injury of the skeletal muscle.