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  • Title: [Variants of dysfunction of the upper urinary tract in urolithiasis].
    Author: Kirpatovskiĭ VI, Mudraia IS.
    Journal: Urol Nefrol (Mosk); 1998; (3):21-5. PubMed ID: 9644984.
    Abstract:
    Registration of contractility of the upper urinary tracts (UUT) at multichannel impedance ureterography was conducted in 30 patients with concrements in the kidneys and ureters before extracorporeal lithotripsy. By defects in urodynamics, the patients were divided into 4 groups. The most severe affection of urodynamics (low amplitude of the peristalsis, high tonicity of UUT wall) occurred in group 4. From group 1 to 4 contraction arrhythmia, deformity of contraction complexes, retrograde contraction waves were increasing. The index has been calculated for estimation of UUT performance in transporting urine.
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