Evaluation of acute partial unilateral ureteral obstruction based on the renal venous impedance index in Rabbit: An experimental study

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dc.contributor.authorKaya, Mahir
dc.contributor.departmentOthertr_TR
dc.contributor.facultyOthertr_TR
dc.date.accessioned2022-12-14T13:34:33Z
dc.date.available2022-12-14T13:34:33Z
dc.date.issued2022
dc.description.abstractTo investigate the feasibility of the venous impedance index (VII) in the diagnosis of acute partial unilateral ureteral obstruction (APUUO), in this study we aimed to measure and compare changes in intrarenal venous flow and arterial flow. In New Zealand rabbits (n=10) the left ureter was narrowed by ligation. Doppler ultrasonographic (US) examination of the interlobar arteries and veins in both kidneys was performed preoperatively and 3, 6, 12, 24, and 48 h after ureteral ligation. Resistive index (RI), RI difference (RIΔ) and the RI ratio (RIr), and the VII difference (VIIΔ) were calculated from RI and VII obtained from the obstructive and nonobstructive kidneys. The RI and VII were postoperatively compared between the left and right kidneys. Although the mean RI for obstructive kidneys was higher than those for nonobstructive kidneys, the difference was only statistically significant at 3 and 24 h (P=0.007, and P=0.049, respectively). In all postoperative measurement times, RIΔ was ≥0.08 and RIr was ≥1.169, and the mean VII values were significantly lower in the obstructive kidneys than the nonobstructive kidneys (P≤0.002), and the VIIΔ was equal to or greather than 0.159. The venous flow was more affected than arterial flow in the obstructive kidney. The renal RI alone was insufficient as a diagnostic criterion. The renal VIIΔ ≥0.16 can be enhanced the diagnostic accuracy of in APUUO if used as a combination of the RIΔ≥0.08 and RIr≥1.1.tr_TR
dc.description.indexTrdizintr_TR
dc.identifier.urihttps://doi.org/10.33988/auvfd.895959tr_TR
dc.identifier.urihttp://hdl.handle.net/20.500.12575/86114
dc.language.isotrtr_TR
dc.publisherAnkara Üniversitesi Veteriner Fakültesitr_TR
dc.relation.isversionof10.33988/auvfd.895959tr_TR
dc.relation.journalAnkara Üniversitesi Veteriner Fakültesi Dergisitr_TR
dc.relation.publicationcategoryMakale - Ulusal Hakemli Dergi - Başka Kurum Yazarıtr_TR
dc.subjectKidneytr_TR
dc.subjectPartial unilateral ureteral obstructiontr_TR
dc.subjectrabbittr_TR
dc.subjectVenous impedance indextr_TR
dc.titleEvaluation of acute partial unilateral ureteral obstruction based on the renal venous impedance index in Rabbit: An experimental studytr_TR
dc.typeArticletr_TR

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