[31] Effect of urodynamic urethral catheter on uroflowmetry parameters: A prospective study

Objective: To investigate the effect of urodynamic urethral catheter on uroflowmetry (UFM) parameters, as urodynamic studies (UDS) are an integral part in assessing voiding symptoms in both genders and its settings and components are points of debate for possible effects on results that sometimes va...

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Autores principales:	Said Yaiesh, Ali Albaghli, Anwar Abdulghani, Mohammad AlShammali, Ahmed R. El-Nahas, Abdullatif Al-Terki, Tariq Al-Shaiji
Formato:	article
Lenguaje:	EN
Publicado:	Taylor & Francis Group 2018
Materias:	Diseases of the genitourinary system. Urology RC870-923
Acceso en línea:	https://doaj.org/article/948b98c1050f4122bb5d11142cafc367
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spelling	oai:doaj.org-article:948b98c1050f4122bb5d11142cafc3672021-12-02T13:01:03Z[31] Effect of urodynamic urethral catheter on uroflowmetry parameters: A prospective study2090-598X10.1016/j.aju.2018.10.078https://doaj.org/article/948b98c1050f4122bb5d11142cafc3672018-11-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2090598X18301724https://doaj.org/toc/2090-598XObjective: To investigate the effect of urodynamic urethral catheter on uroflowmetry (UFM) parameters, as urodynamic studies (UDS) are an integral part in assessing voiding symptoms in both genders and its settings and components are points of debate for possible effects on results that sometimes vary from preliminary diagnoses, particularly the urethral or vesical catheters used in filling and voiding cystometry and their effect on UFM parameters. Methods: We prospectively enrolled 150 patients undergoing UDS for established voiding symptoms from January 2016 to March 2018. Exclusion criteria were pre-UDS voided volume of <150 mL and/or inability to void during UDS with the catheter in place. Biometric data and clinical history were collected. Free UFM preceded the UDS. A double-lumen 8-F air-charged urethral catheter was inserted to measure intra-vesical pressure and for filling and voiding cystometry. Parameters of free UFM were compared with that of voiding cystometry using t-tests. Results: The study included 105 eligible patients (mean age 55 years), 54% of which were females. Urge urinary incontinence was most frequent form of leak (28 patients) and 69% of strips showed detrusor overactivity. Statistically significantly better results were observed between pre-UDS UFM and pressure-flow UFM for the mean values of maximum urinary flow (Qmax; +4.33 mL/s, P  <  0.001), average flow (+1.95 mL/s, P< 0.05), voiding time (-16.6 s, P< 0.001), and time to Qmax (-6.6 s, P< 0.001), but not post-void residual volume (PVR; 12.2 mL, P = 0.16) and percentage PVR of cystometric capacity (0.55%, P = 0.7). Time to Qmax becomes insignificant when compared amongst males only (P = 0.2), whilst all PVR assessments become significant amongst females alone (P< 0.05). Analysis was repeated including those who voided ⩾120 mL (120 patients) on pre-UDS UFM and yielded results of similar significance. Conclusion: The insertion of a urethral catheter has a significant effect on UFM parameters in patients regardless of gender. Pre-UDS UFM studies are important to identify such effects that may influence the final diagnosis.Said YaieshAli AlbaghliAnwar AbdulghaniMohammad AlShammaliAhmed R. El-NahasAbdullatif Al-TerkiTariq Al-ShaijiTaylor & Francis GrouparticleDiseases of the genitourinary system. UrologyRC870-923ENArab Journal of Urology, Vol 16, Iss , Pp S15-S16 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Diseases of the genitourinary system. Urology RC870-923
spellingShingle	Diseases of the genitourinary system. Urology RC870-923 Said Yaiesh Ali Albaghli Anwar Abdulghani Mohammad AlShammali Ahmed R. El-Nahas Abdullatif Al-Terki Tariq Al-Shaiji [31] Effect of urodynamic urethral catheter on uroflowmetry parameters: A prospective study
description	Objective: To investigate the effect of urodynamic urethral catheter on uroflowmetry (UFM) parameters, as urodynamic studies (UDS) are an integral part in assessing voiding symptoms in both genders and its settings and components are points of debate for possible effects on results that sometimes vary from preliminary diagnoses, particularly the urethral or vesical catheters used in filling and voiding cystometry and their effect on UFM parameters. Methods: We prospectively enrolled 150 patients undergoing UDS for established voiding symptoms from January 2016 to March 2018. Exclusion criteria were pre-UDS voided volume of <150 mL and/or inability to void during UDS with the catheter in place. Biometric data and clinical history were collected. Free UFM preceded the UDS. A double-lumen 8-F air-charged urethral catheter was inserted to measure intra-vesical pressure and for filling and voiding cystometry. Parameters of free UFM were compared with that of voiding cystometry using t-tests. Results: The study included 105 eligible patients (mean age 55 years), 54% of which were females. Urge urinary incontinence was most frequent form of leak (28 patients) and 69% of strips showed detrusor overactivity. Statistically significantly better results were observed between pre-UDS UFM and pressure-flow UFM for the mean values of maximum urinary flow (Qmax; +4.33 mL/s, P  <  0.001), average flow (+1.95 mL/s, P< 0.05), voiding time (-16.6 s, P< 0.001), and time to Qmax (-6.6 s, P< 0.001), but not post-void residual volume (PVR; 12.2 mL, P = 0.16) and percentage PVR of cystometric capacity (0.55%, P = 0.7). Time to Qmax becomes insignificant when compared amongst males only (P = 0.2), whilst all PVR assessments become significant amongst females alone (P< 0.05). Analysis was repeated including those who voided ⩾120 mL (120 patients) on pre-UDS UFM and yielded results of similar significance. Conclusion: The insertion of a urethral catheter has a significant effect on UFM parameters in patients regardless of gender. Pre-UDS UFM studies are important to identify such effects that may influence the final diagnosis.
format	article
author	Said Yaiesh Ali Albaghli Anwar Abdulghani Mohammad AlShammali Ahmed R. El-Nahas Abdullatif Al-Terki Tariq Al-Shaiji
author_facet	Said Yaiesh Ali Albaghli Anwar Abdulghani Mohammad AlShammali Ahmed R. El-Nahas Abdullatif Al-Terki Tariq Al-Shaiji
author_sort	Said Yaiesh
title	[31] Effect of urodynamic urethral catheter on uroflowmetry parameters: A prospective study
title_short	[31] Effect of urodynamic urethral catheter on uroflowmetry parameters: A prospective study
title_full	[31] Effect of urodynamic urethral catheter on uroflowmetry parameters: A prospective study
title_fullStr	[31] Effect of urodynamic urethral catheter on uroflowmetry parameters: A prospective study
title_full_unstemmed	[31] Effect of urodynamic urethral catheter on uroflowmetry parameters: A prospective study
title_sort	[31] effect of urodynamic urethral catheter on uroflowmetry parameters: a prospective study
publisher	Taylor & Francis Group
publishDate	2018
url	https://doaj.org/article/948b98c1050f4122bb5d11142cafc367
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[31] Effect of urodynamic urethral catheter on uroflowmetry parameters: A prospective study

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