[男性下尿路症状功能研究中动态尿道阻力关系（DURR）的特征分析]
[Characterization of the DURR (dynamic urethral resistance relation] in the study of function lower urinary tract symptoms in the male].
作者信息
Vírseda Chamorro M, Salinas Casado J, Aristizábal Agudelo J M, Adot Zurbano J M, Esteban Fuertes M, Fernández Ajubita H, Resel Estévez L
机构信息
Servicio de Urología, Hospital Universitario San Carlos, Universidad Complutense, Madrid, España.
出版信息
Arch Esp Urol. 1998 Jan-Feb;51(1):55-66.
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.
目的
确定男性中排尿后残余尿量（DURR）现象的类型并进行量化。
方法
我们对31例功能性下尿路症状的男性患者进行了临床和尿动力学研究。
结果
DURR由两种机制产生：尿道僵硬和尿道壁收缩。由僵硬导致DURR的患者刺激性尿路症状评分更高。由尿道壁收缩导致DURR的患者有更严重的尿动力学后果（开放压升高和排尿后残余尿量曲线）。当DURR出现在排尿第二阶段（达到最大尿流率后）时，梗阻性尿路症状更严重。
结论
DURR现象在功能性下尿路症状的男性中具有临床和尿动力学后果；因此，应充分确定其类型和数量。
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