[The causes of urodynamic disorders of the urinary tract leading to hydronephrotic transformation].
Experience had with the treatment of 372 patients, admitted to the Clinical Center of Urology--Sofia, and 16 patients--to the Clinic of Urology of the Military Medical Academy, over the period 1990 through 1992, shows that the causes leading to hydronephrotic transformation comprise diseases of congenital and acquired nature involving upper and lower urinary tracts. Congenital disorders affect men and women at an equal male-to-female ratio--1:1, while acquired ones--at 1.8:1 male-to-female ratio; causes located in both upper and lower urinary tract are recorded at a 6.6:1 ratio. Proceeding from the analysis of the case material it is established that hydronephrosis is not a nosological entity of its own, but rather a symptom (complication) of a lesion (obstruction) located in the urinary tract. The compensatory mechanisms aimed at normalization of the elevated pressure affect in a varying degree the upper urinary ways, above the level of obstruction.
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D005260:Female; D006801:Humans; D006869:Hydronephrosis / Q000151:congenital / Q000209:etiology* / Q000503:physiopathology; D008297:Male; D014551:Urinary Tract / Q000503:physiopathology*; D014563:Urodynamics
Prichini za urodinamichni narusheniia na pikochnite pŭtishta, predizvikvashti khidronefrotichna transformatsiia.