The Aging Male · Available online 8 Jan 2026 · In press · DOI 10.1080/13685538.2025.2597171
Objective Benign prostatic hyperplasia (BPH) is a common urinary disease in elderly men, with acute urinary retention (AUR) severely impacting quality of life. Urodynamic abnormalities and prostate-specific antigen (PSA) levels reflect urinary obstruction and prostate enlargement/inflammation. This study was to correlate the two factors with AUR in BPH patients.Methods A total of 120 BPH patients were divided into AUR group and non-AUR group, with 60 cases in each group. Clinical, laboratory, and urodynamic data were collected. Independent variables with significant differences in univariate analysis were included in multifactorial logistic regression analysis. The diagnostic value of urodynamic parameters and PSA for AUR in BPH patients was assessed. A spline regression model was established to analyze the relationship between AUR and PSA.Results Elevated levels of urodynamic parameters volume at first desire to void (FDV), bladder compliance (BC), total PSA (tPSA), and free PSA (fPSA) were independent risk factors for AUR in BPH patients. FDV and tPSA showed high predictive efficacy, while BC and fPSA relatively weaker. tPSA was positively correlated with both FDV and BC. fPSA was positively correlated only with FDV.Conclusion FDV and BC with tPSA and fPSA are significantly elevated in BPH patients with AUR and show a strong association.
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