Abstract:

Objective To investigate the clinical value of the urodynamic examination for old male patients with acute urinary retention (AUR). Methods One hundred and three old male patients with AUR received the urodynamic examination after retention catheterization for 2-5 days. For patients failed to remove catheters, the urodynamic examination was repeated after 4 and 12 weeks of AUR occurrence and the analysis was conducted in combination with clinical data. Results According to results of the first urodynamic examination, 103 AUR patients were divided into the low detrusor activity group (DUA group, n=36) and non-low detrusor activity group (NDUA group, n=67). The age and incidence of complications of the DUA group were significantly higher than those of the NDUA group (P<0.05，P<0.01). The differences of the international prostate symptom scores (IPSS), prostate specific antigen (PSA) levels, and prostate volumes of two groups were not statistically significant (P>0.05). Urodynamic parameters of 103 patients after 4 weeks of AUR occurrence were significantly better than those within 1 week of AUR occurrence (P<0.01 or P<0.05). But compared to urodynamic parameters after 12 weeks of AUR occurrence, the differences were not statistically significant (P>0.05). Conclusion The urodynamic examination can effectively evaluate the bladder function of old male patients with AUR. The proper time for examination is after 4 weeks of AUR occurrence.

Key words: urodyamic examination, acute urinary retention, detrusor, function, diagnosis