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KMID : 0358320080490030237
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Korean Journal of Urology
2008 Volume.49 No. 3 p.237 ~ p.241
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The Effect of Periurethral Prostatic Calculi on Lower Urinary Tract Symptoms in Benign Prostatic Hyperplasia
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Cha Woo-Heon
Kim Ki-Ho
Seo Young-Jin
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Abstract
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Purpose: The aim of this study was to evaluate the effect of periurethral prostatic calculi on lower urinary tract symptoms(LUTS) at the initial visit and after treatment with an alpha-blocker in benign prostatic hyperplasia (BPH).
Materials and Methods: A total of 223 male patients with LUTS were studied. Group 1 consisted of 81 patients with periurethral prostatic calculi within 5 mm from the prostatic urethra of the transitional zone, as determined by transrectal ultrasound. Group 2 consisted of 142 patients without periurethral prostatic calculi within 5 mm from the prostatic urethra. The International Prostate Symptom Score(IPSS), maximal urinary flow rate (Qmax) and post voided residual urine(PVR) were measured in patients of both groups at the beginning of the study and at eight weeks after the treatment with 4 mg doxazosin gastrointestinal therapeutic system (GITS).
Results: Voiding, storage and the total IPSS for Group 1 patients were higher than for Group 2 patients(p＜0.05). Quality of life(QoL), Qmax, and PVR were not significantly different at the initial visit. After treatment with 4 mg doxazosin GITS, an improvement of voiding, storage and the total IPSS for Group 2 patients was seen as compared to Group 1 patients (p＜0.05). The mean improvement of QoL was 0.44±0.73 for group 1 patients and 1.13±0.82 for group 2 patients(p＜0.001). The mean change of Qmax was 1.02±1.40 ml/sec for Group 1 patients and 1.52±1.84ml/sec for Group 2 patients(p=0.035). Changes of PVR were not significant between the two groups.
Conclusions: This study suggests that the periurethral prostatic calculi may aggravate lower urinary tract symptoms and decrease the effect of alpha- blockers. (Korean J Urol 2008;49:237-241)
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KEYWORD
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Calculi, Symptoms, Prostatic hyperplasia
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