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KMID : 0358320120530070478
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Korean Journal of Urology
2012 Volume.53 No. 7 p.478 ~ p.482
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Relationship between Intravesical Prostatic Protrusion and Postoperative Outcomes in Patients with Benign Prostatic Hyperplasia
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Lee Jong-Woo
Ryu Jae-Hyun
Yoo Tae-Keun
Byun Seok-Soo
Jeong Young-Jin
Jung Tae-Young
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Abstract
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Purpose: To evaluate the significance of intravesical prostatic protrusion (IPP) for predicting postoperative outcomes in patients with benign prostatic hyperplasia.
Materials and Methods: A total of 177 patients with a possible follow-up of at least 6 months who were treated with transurethral resection of the prostate (TURP) were analyzed. We divided the patients into two groups on the basis of the degree of IPP: the significant IPP group (IPP≥5 mm, n=74) and the no significant IPP group (IPP<5 mm, n=103). We analyzed postoperative changes in parameters, such as the International Prostate Symptom Score (IPSS), IPSS quality-of-life (QoL) score, maximum urinary flow rate (Qmax), and postvoid residual urine (PVR). The IPSS was subdivided into voiding (IPSS-v) and storage (IPSS-s) symptoms. Multivariate logistic regression analysis was performed to identify whether IPP could predict surgical outcomes of TURP.
Results: Preoperative parameters were not significantly different between the two groups except for total prostate volume and transitional zone volume. Postoperative changes in IPSS, IPSS-v, IPSS-s, and QoL score were higher in the significant IPP group than in the group with no significant IPP. Changes in Qmax and PVR were not significantly different between the two groups. Multivariate logistic regression analysis (after adjustment for age, prostate-specific antigen level, total prostate volume, and transitional zone volume) revealed that the odds ratios (95% confidence interval) of decreased IPSS and IPSS-s in the significant IPP group were 3.43 (1.03 to 11.44) and 3.51 (1.43 to 8.63), respectively (p=0.045 and 0.006, respectively).
Conclusions: Significant IPP is an independent factor for predicting better postoperative outcomes of IPSS and IPSS-s.
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KEYWORD
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Intravesical prostatic protrusion, Prostatic hyperplasia, Transurethral resection of prostate, Treatment outcome
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