Purpose: This study explores the predictive value of noninvasive urodynamic parameters for the efficacy of transurethral resection of the prostate (TURP). Methods: A total of 121 cases were divided into two groups. Benign prostatic hyperplasia (BPH) patients were assessed retrospectively and were divided into good prognosis (group A) and poor prognosis (group B) according to the degree of improvement in maximum urinary flow rate and the changes in ultrasound and noninvasive urodynamic parameters between the two groups were explored. Results: The PV, IPP, and PVR of group A were lower than those of group B (p < 0.05), and the Qmax of group A was more excellent than that of group B (p < 0.05). The difference was statistically significant (p < 0.05). There was no significant difference in DWT, age, and IPSS (p > 0.05). The ROC curve analyzes the diagnostic efficacy of each parameter in the diagnosis of the effectiveness of TURP. The results are ranked in order of 1/Qmax (AUC = 0.777), PV (AUC = 0.715), PVR (AUC = 0.642), and IPP (AUC = 0.629), of which 1/Qmax has the best diagnostic efficiency with AUC = 0.777, the best cutoff value is 0.12, the sensitivity is 0.81, and the specificity is 0.571. Conclusion: Preoperative application of noninvasive urodynamic parameters in BPH patients can better predict postoperative efficacy; especially, Qmax has the best predictive effect.
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