Urethral Functional Profile Length Before Radical Prostatectomy as an Early Postoperative Continence Predictor

Urinary incontinence (UI) is one of the most common complications of radical prostatectomy (RP). Impaired urethral sphincter function is generally considered to be the most important contributing factor of UI however, the mechanism of onset and recovery of urinary continence has not been fully elucidated. In this research, the urodynamic method of Urethral Pressure Profile (UPP) was used to evaluate Functional Urethral Length (FUL) and Maximal Urethral Closure Pressure (MUCP) and correlate with the postprostatectomy continence recovery. Objective of this research is to evaluate preoperative FUL and MUCP as an early continence recovery predictors after open retropubic RP (ORRP).

The research was conducted at the Department of Urology of the University Hospital Centre Zagreb on a group of 43 patients in the period from July 15th , 2019 to May 07th , 2021.The severity of UI and bothersome were assessed using fully validated International Consultation on Incontinence Questionnaire - Urinary Incontinence Short Form (ICIQ-UI SF) and number of pads used in 24h. Patients were interviewed about the use of urinary pads and asked to fill out the ICIQ-UI SF before and 2, 8, 16 and 24 weeks after RP.

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Key information

Conditions

Urinary Incontinence Female Urogenital Diseases Female Urogenital Diseases and Pregnancy Complications Lower Urinary Tract Symptoms Male Urogenital Diseases Pathological Conditions, Signs and Symptoms Signs and Symptoms Urination Disorders Urogenital Diseases Urologic Diseases Urological Manifestations

Age range

18 year and older

Sex eligibility

Male

Study type

Interventional

Phase

Not applicable

Primary location

UHC Zagreb

Zagreb, 10000, Croatia

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

Patients diagnosed with localized prostate cancer
Open Retropubic Radical Prostatectomy (ORRP) is planned as a treatment

Exclusion criteria

Incontinent patients prior to ORRP
Previous surgery in the area of the prostatic urethra
Previous procedures that can damage the innervation of the pelvis
Radiotherapy performed in the pelvic area prior to ORRP
Adjuvant radiotherapy in the first postoperative year

Treatment and study plan

Profilometry

Procedure

Profilometry was performed in 43 patients before open retropubic radical prostatectomy.

Other names: Urethral pressure profile measurement

Primary outcomes

Functional Urethral Length as a predictor of Urinary Incontinence

Time frame: 24 weeks

Functional Urethral Length (FUL) is measured using Urethral Presssure Profilometry and expressed in mm. The severity of urinary incontinence and bothersome were assessed using fully validated International Consultation on Incontinence Questionnaire - Urinary Incontinence Short Form (ICIQ-UI SF) and number of pads used in 24h. Patients were interviewed about the use of urinary pads and asked to fill out the ICIQ-UI SF before and 2, 8, 16 and 24 weeks after radical prostatectomy. ICIQ-UI SF score ranges: min 0, max 21 (higher score indicating greater severity of symptoms). Cut-off for positive UI, in this research, was 6. Cut-off for positive UI by number of pads used per day was 2.
Maximum Urethral Closure Pressure as a predictor of Urinary Incontinence

Time frame: 24 weeks

Maximum Urethral Closure Pressure (MUCP) is measured using Urethral Presssure Profilometry and expressed cmH2O. The severity of urinary incontinence and bothersome were assessed using fully validated International Consultation on Incontinence Questionnaire - Urinary Incontinence Short Form (ICIQ-UI SF) and number of pads used in 24h. Patients were interviewed about the use of urinary pads and asked to fill out the ICIQ-UI SF before and 2, 8, 16 and 24 weeks after radical prostatectomy. ICIQ-UI SF score ranges: min 0, max 21 (higher score indicating greater severity of symptoms). Cut-off for positive UI, in this research, was 6. Cut-off for positive UI by number of pads used per day was 2.

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Sponsors and collaborators

Lead sponsor

Clinical Hospital Centre Zagreb

Other

Registry information

Important dates

Study start: 2019
Primary completion: 2020
Study completion: 2021
First posted: Feb 21, 2022
Registry last updated: Feb 21, 2022

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

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This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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