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  • Title: [Characterization of the DURR (dynamic urethral resistance relation] in the study of function lower urinary tract symptoms in the male].
    Author: Vírseda Chamorro M, Salinas Casado J, Aristizábal Agudelo JM, Adot Zurbano JM, Esteban Fuertes M, Fernández Ajubita H, Resel Estévez L.
    Journal: Arch Esp Urol; 1998; 51(1):55-66. PubMed ID: 9557340.
    Abstract:
    OBJECTIVES: To determine the type and to quantify the DURR phenomena in the male. METHODS: We conducted a clinical and urodynamic study in 31 male patients with functional lower urinary tract symptoms. RESULTS: DURR is produced by two types of mechanisms: urethral rigidity and contraction of the urethral wall. The patients with DURR produced by rigidity showed a higher score for irritative urinary symptoms. The patient with DURR produced by the contraction of the urethral wall had greater urodynamic consequences (increased opening pressure and PURR curve). The obstructive urinary symptoms were more intense when the DURR presented in the second phase of voiding (after reaching the maximum flow). CONCLUSIONS: The DURR phenomena have clinical and urodynamic consequences in males with functional lower urinary tract symptoms; therefore their type and quantity should be adequately determined.
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