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尿路中任何部分发生梗阻,其结果是肾脏、输尿管或膀胱在功能上发生一系列病理改变甚至发生肾功能衰竭。肾盂输尿管交界部(UPJ)功能性梗阻是比较常见的一种,对其梗阻的原因及处理方法长期存有争议。近十年来研究有了较大的发展,在其发病机理、病理改变及处理方法上大多数临床专家已趋一致。UPJ 梗阻可由狭窄,瓣膜,粘连,异位血管压迫等因素引起,但最常见的是先天性功能性梗阻,UPJ 功能性梗阻多见于儿童,但成年人就诊也不少见。
Obstruction of any part of the urinary tract, the result is the kidney, ureter or bladder function in a series of pathological changes or even renal failure. Ureteropelvic junction (UPJ) functional obstruction is a more common one, the reasons for its obstruction and treatment has long been controversial. In the recent ten years, there has been a great development in the research and most clinical experts have become consistent in its pathogenesis, pathological changes and treatment methods. UPJ obstruction by stenosis, valvular, adhesions, ectopic vascular compression and other factors, but the most common is congenital functional obstruction, UPJ functional obstruction more common in children, but adults are not uncommon treatment.