Significance of Prostatic Weight in Prostatism

Jensen, Karl Erik; Bruskewitz, Reginald C.; Iversen, Peter; Madsen, Paul O.

doi:10.1159/000280884

Cited by 65 publications

(13 citation statements)

References 10 publications

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“…Neither was any significant correlation found between symptom severity and peak flow rates. Similar findings were also reported by Jensen et al [5] in a study evaluating 68 patients with prostatism who underwent urodynamic testing before and after TURR In that study, no significant correlation between the resected prostatic weight and urodynamics variables of infravesical obstruction was found. Furthermore, patients with small prostates improved symptomatologically to the same degree as did patients with larger glands.…”

Section: Estimation Of Prostate Sizesupporting

confidence: 90%

Cystoscopy in the evaluation of benign prostatic hyperplasia

Madsen

Bruskewitz

1995

World J Urol

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Cystoscopy has a limited role in the evaluation of benign prostatic hyperplasia (BPH). The examination is recommended in the evaluation of BPH patients with hematuria or a history of risk factors for urethral stricture. Available data suggest that bladder trabeculation in BPH is a predictor of the treatment outcome. Cystoscopy might be performed prior to invasive therapy to guide the urologist in choosing an operative approach.

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Section: Estimation Of Prostate Sizesupporting

confidence: 90%

Cystoscopy in the evaluation of benign prostatic hyperplasia

Madsen

Bruskewitz

1995

World J Urol

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“…Jensen et al [10] reported that the degree of the improvement of symptoms is not affected by the prostate volume following surgery. According to Cockett et al [11] on the preoperative work-up of patients with BPH, as the prostate volume was greater, the postoperative outcomes were better.…”

Section: Discussionmentioning

confidence: 99%

Factors Affecting the Improvement of the Initial Peak Urinary Flow Rate after Transurethral Resection of the Prostate or Photoselective Vaporization of the Prostate for Treating Benign Prostatic Hyperplasia

et al. 2011

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PurposeWe evaluated the factors that affect the improvement of the initial peak flow rate after transurethral resection of the prostate (TURP) or photoselective vaporization of the prostate (PVP) for benign prostatic hyperplasia (BPH) patients by using noninvasive tools.MethodsOne hundred and twenty seven BPH patients who had undergone TURP or PVP between January 2005 and May 2009 were evaluated. They were divided into 2 groups: the postoperative initial peak urinary flow rate (Qmax) was less than 10 mL/sec (Group 1; n=37, TURP=11, PVP=26) and more than 10 mL/sec (Group 2; n=90, TURP=41, PVP=49). We confirmed the patients' preoperative check lists. The check list were the international prostate symptom score (IPSS), the quality of life score, a past history of acute urinary retention (AUR), body mass index and/or pyuria, the serum prostate-specific antigen (PSA) level and the prostate volume, the prostate transitional zone volume and prostatic calcification. The initial Qmax was measured at the outpatient clinic one week after discharge.ResultsThe improvement rate was not significant difference between the TURP group (78.8%) and the PVP group (65.3%). The efficacy parameters were the IPSS-storage symptom score, the prostate volume, the PSA level and a past history of AUR. The IPSS-storage symptom scores of Group 1 (12.3±3.3) was higher than those of Group 2 (10.5±1.7). The prostate volume of Group 2 (42.3±16.6 g) was bigger than that of Group 1 (36.6±7.8 g). The PSA level of Group 2 (3.8±2.6 ng/mL) was higher than that of Group 1 (2.6±2.6 ng/mL). A past history of AUR in Group 1 (35.1%) was more prevalent than that of Group 2 (15.6%).ConclusionsThe non-invasive factors affecting the initial Qmax after TURP or PVP were the IPSS-storage symptom score, the prostate volume and a past history of AUR. Accordingly, in patients who have a higher IPSS-storage symptom score, a smaller prostate volume and a history of AUR, there might be a detrimental effect on the initial Qmax after TURP or PVP. These factors might also be used as long-term prognostic factors.

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“…Prostate volume has been measured by various methods including digital rectal examination, cystourethrography, urethrocystoscopy, and urethral pressure profile, but all of these are inaccurate (1-3). For this reason, ultrasound scanning has gained wide popularity in the past few years (4-10).…”

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confidence: 99%

Prostate Volume Measurement by TRUS Using Heights Obtained by Transaxial and Midsagittal Scanning: Comparison with Specimen Volume Following Radical Prostatectomy

et al. 2000

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ObjectiveThe purpose of this study was to determine, when measuring prostate volume by TRUS, whether height is more accurately determined by transaxial or midsagittal scanning.Materials and MethodsSixteen patients who between March 1995 and March 1998 underwent both preoperative TRUS and radical prostatectomy for prostate cancer were included in this study. Using prolate ellipse volume calculation (height × length × width × π/6), TRUS prostate volume was determined, and was compared with the measured volume of the specimen .ResultsProstate volume measured by TRUS, regardless of whether height was determined transaxially or midsagittally, correlated closely with real specimen volume. When height was measured in one of these planes, a paired t test revealed no significant difference between TRUS prostate volume and real specimen volume (p = .411 and p = .740, respectively), nor were there significant differences between the findings of transaxial and midsagittal scanning (p = .570). A paired sample test, however, indicated that TRUS prostate volumes determined transaxially showed a higher correlation coefficient (0.833) and a lower standard deviation (9.04) than those determined midsagittally (0.714 and 11.48, respectively).ConclusionProstate volume measured by TRUS closely correlates with real prostate volume. Furthermore, we suggest that when measuring prostate volume in this way, height is more accurately determined by transaxial than by midsagittal scanning.

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Significance of Prostatic Weight in Prostatism

Cited by 65 publications

References 10 publications

Cystoscopy in the evaluation of benign prostatic hyperplasia

Cystoscopy in the evaluation of benign prostatic hyperplasia

Factors Affecting the Improvement of the Initial Peak Urinary Flow Rate after Transurethral Resection of the Prostate or Photoselective Vaporization of the Prostate for Treating Benign Prostatic Hyperplasia

Prostate Volume Measurement by TRUS Using Heights Obtained by Transaxial and Midsagittal Scanning: Comparison with Specimen Volume Following Radical Prostatectomy

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