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Objective: To investigate the roles of prostatic infarction, prostatic inflammation and the type of prostatic hyperplasia in acute urinary retention (AUR) in patients with benign prostatic hyperplasia (BPH)., Methods: We retrospectively analyzed 102 cases of BPH, 49 complicated by AUR and the other 53 without AUR. We compared the incidences of prostatic infarction and prostatic inflammation, the types of prostatic hyperplasia, the patients' age, the level of prostate specific antigen (PSA), the prostate volume, and international prostate symptom score (IPSS) between the AUR and non-AUR groups., Results: The PSA level was significantly increased in the AUR group as compared with the non-AUR group (P < 0.05). There were no statistically significant differences between the two groups in the mean age, prostate volume and IPSS (P > 0.05). The type of prostatic hyperplasia showed no correlation with AUR. The incidence rate of AUR was 5.620 and 2.326 times higher in the BPH patients with prostatic infarction and prostatic inflammation respectively than in those without (P < 0.05)., Conclusion: Prostatic infarction and prostatic inflammation are important risk factors of AUR in BPH patients.

Objective: To explore the semen quality of the workers exposed to the xenoestrogen bisphenol A (BPA) was explored., Methods: A cross-sectional study of 20 BPA exposed and 16 control workers with similar age, physical activities was performed. Tests included quantifying BPA in blood samples and investigating the quantity and quality of semen. Semen parameters were determined with the method recommended by WHO., Results: 94.4% exposed workers were found BPA in blood, and the median was 101.94 microg/L. However, only 18.8% control subjects were found BPA in blood, and the median level was 0 microg/L. The sperm density of exposed workers [(68.65 +/- 44.00) x 10(6)/ml] was significantly lower than that of control [(118.56 +/- 98.36) x 10(6)/ml]. Relationship analysis showed the positive relationships (r = 0.44, P < 0.01) between the sperm with quick forward progression and BPA level in blood, negative relationships between the percentage of normal sperm and BPA level in blood (r = -0.62, P = 0.01)., Conclusion: BPA could affect the sperm density, and may influence the semen quality. More research should be performed on the effect and the mechanism of BPA on man.