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Öğe Evaluation of liver parenchimal damage after pringle manoeuvre and protective effect of DMSO using hepatobiliary scintigraphy(Springer Verlag, 1999) Yüksel, M; Hatipoglu, A; Temiz, E; Salihoglu, YS; Hüseyinova, G; Berkarda, S[Abstract Not Available]Öğe The role of hepatobiliary scintigraphy in the evaluation of the protective effects of dimethylsulphoxide in ischaemic/reperfusion injury of liver(Lippincott Williams & Wilkins, 2000) Yüksel, M; Hatipoglu, A; Temiz, E; Salihoglu, YS; Hüseyinova, G; Berkarda, SLiver ischaemia may lead to parenchymal damage depending on the duration of the ischaemia. Dimethylsulphoxide (DMSO), a well-known radical oxygen scavenger, is a protective agent against ischaemia/reperfusion injury. In this study we aimed to investigate the role of hepatobiliary scintigraphy (HBSc) in detecting the protective effect of DMSO. Eighteen rabbits, in three groups of six, were injected with 37 MBq technetium-99m-mebrofenin via the ear veins. Dynamic scintigrams were taken for 60 min (1 frame/min). In group A, HBSc was performed without any surgery. In groups B and C the Pringle manoeuvre (PM) was applied for 30 min, and tissue specimens for electron microscopy were taken from the liver parenchyma 5 min after the end of the PM. In addition, in group C 1 g/kg DMSO was injected into each rabbit 5 min before application of the PM. HBSc was then performed in groups 5 and C. From the dynamic images time-activity curves (TACs) were obtained for each group, and the time of peak uptake (TPU) and time for half of the activity to clear from the liver (T 1/2) were calculated. The TPU and T 1/2 of group B were significantly longer than those of groups A and C (P <0.0005 and P < 0.005 for TPU, and P<0.0005 and P<0.02 for T 1/2 respectively). The TPU and T 1/2 of group C were significantly longer than those of group A (P <0.005 and P<0.02, respectively). While the electron microscopic images in group C showed reversible changes, those in group B showed both irreversible and reversible changes. The electron microscopic findings of groups B and C confirmed the scintigraphic findings. In conclusion, HBSc might be used as a practical quantitative method for detecting the protective effects of DMSO. However, its clinical value should be evaluated by further studies with human subjects. ((C) 2000 Lippincott Williams & Wilkins).Öğe An unusual CT(Bmj Publishing Group, 2005) Baydar, S; Hatipoglu, A; Sezer, A; Ibis, C; Coskun, I; Umit, H; Tezel, A[Abstract Not Available]
