Relationship between Intravesical Prostatic Protrusion and Postoperative Outcomes in Patients with Benign Prostatic Hyperplasia
이종우, 류재현, 유태근, 변석수, 정영진, 정태영,
소속 상세정보
이종우 ( Lee Jong-Woo )
Veterans Health Service Medical Center Department of Urology
류재현 ( Ryu Jae-Hyun )
Seonyudo Public Health Subcenter
유태근 ( Yoo Tae-Keun )
Eulji University School of Medicine Department of Urology
변석수 ( Byun Seok-Soo )
Seoul National University Bundang Hospital Department of Urology
정영진 ( Jeong Young-Jin )
Veterans Health Service Medical Center Department of Family Medicine
정태영 ( Jung Tae-Young )
Veterans Health Service Medical Center Department of Urology
KMID : 0358320120530070478
Abstract
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.
키워드
Intravesical prostatic protrusion; Prostatic hyperplasia; Transurethral resection of prostate; Treatment outcome
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