Test-retest Reliability of 20-minute Pad Test

NCT04109157 | Completed DMC FDA Device

• 1 other identifier: 200612063R
• Study Type: interventional
• Target: 67
• Locations: 0 countries
• Sites: N/A

Brief Summary

In our department, we performed a 20-minute pad test since 2005. The 20-minute pad test uses 250 mL of sterile water instilled directly into an empty bladder with a catheter rather than relying on walking for 30 minutes at the beginning of a one-hour pad test. We previously reported that 20-minute pad test has better sensitivity than the one-hour pad test in women with stress urinary incontinence (SUI). Due to the different bladder capacity in each patient, we tried to infuse strong-desire (SD) amounts of water that can more precisely reflect the full bladder capacity in each patient. We found an even better sensitivity when the 20-minute pad test was infused with SD amount of water in women with SUI compared with infusion with 250 mL of water in the bladder. As to short-term pad test, previous studies had some concerned about the reliability and reproducibility. Thus, undertaking our previous two studies, we want to evaluate the test-retest reliability of the 20-minute pad test infused with SD amount of water in bladder in women with SUI.

Conditions

Urodynamic Stress Incontinence

Keywords

Pad test; Test-retest reliability

Outcome Measures

Primary Outcomes (1)

• 20-minute pad test

  The pad weight or 20-minute pad test

  One week

Study Arms (1)

Study population

OTHER

Women who had fulfilled the standardization of terminology of lower urinary function from ICS were diagnosed as urodynamic stress incontinence (USI) after urodynamic study (UDS) and enrolled for analysis in this study.

Diagnostic Test: 20-minute pad test

Interventions

20-minute pad test DIAGNOSTIC_TEST

Our 20-minute modified pad test was described previously proposed first by Hahn and Fall and modified by Sand and Ostergard. Each patient's bladder was emptied with a transurethral catheter and filled to the SD amount of sterile water for test. The catheter was removed, and then the patient returned to a standing position with a pre-weighed perineal pad placed on the underwear. The patient was asked to cough 10 times, bear down 10 times, do 10 deep knee bends, jump up and down on the spot 10 times, wash her hands under cold water for 1 minute, walk up and down five stairs 10 times, walk in the hall for 10 minute, and then return for removal of the pad. The pad was then weighed and the net weight was calculated by subtracting from the original dry weight to achieve a measure of the total urine loss during the 20 minute exercise. The pad weight was measured in grams and the accuracy of the scale was 1 gram. The positive pad weight result was defined as more than 1 gram of leakage.

Study population

Eligibility Criteria

• Age: 20 Years - 85 Years
• Sex: female
• Healthy Volunteers: No
• Age Groups: Adult (18-64), Older Adult (65+)

You may qualify if:

• Women who had fulfilled the standardization of terminology of lower urinary function from ICS were diagnosed as urodynamic stress incontinence (USI) after urodynamic study (UDS)

You may not qualify if:

• SUI but not USI
• Urinary tract infection
• Pelvic inflammation or malignancy
• Long term urinary catheterization

Sponsors & Collaborators

• National Taiwan University Hospital: lead

Related Publications (9)

• Sutherst J, Brown M, Shawer M. Assessing the severity of urinary incontinence in women by weighing perineal pads. Lancet. 1981 May 23;1(8230):1128-30. doi: 10.1016/s0140-6736(81)92299-6.

  PMID: 6112488 BACKGROUND

• Abrams P, Blaivas JG, Stanton SL, Andersen JT. The standardisation of terminology of lower urinary tract function. The International Continence Society Committee on Standardisation of Terminology. Scand J Urol Nephrol Suppl. 1988;114:5-19. No abstract available.

  PMID: 3201169 BACKGROUND

• Abrams P, Cardozo L, Fall M, Griffiths D, Rosier P, Ulmsten U, van Kerrebroeck P, Victor A, Wein A; Standardisation Sub-committee of the International Continence Society. The standardisation of terminology of lower urinary tract function: report from the Standardisation Sub-committee of the International Continence Society. Neurourol Urodyn. 2002;21(2):167-78. doi: 10.1002/nau.10052. No abstract available.

  PMID: 11857671 BACKGROUND

• Ferreira CH, Bo K. The Pad Test for urinary incontinence in women. J Physiother. 2015 Apr;61(2):98. doi: 10.1016/j.jphys.2014.12.001. Epub 2015 Mar 3. No abstract available.

  PMID: 25744851 BACKGROUND

• Wu WY, Sheu BC, Lin HH. Comparison of 20-minute pad test versus 1-hour pad test in women with stress urinary incontinence. Urology. 2006 Oct;68(4):764-8. doi: 10.1016/j.urology.2006.04.018.

  PMID: 17070349 BACKGROUND

• Krhut J, Zachoval R, Smith PP, Rosier PF, Valansky L, Martan A, Zvara P. Pad weight testing in the evaluation of urinary incontinence. Neurourol Urodyn. 2014 Jun;33(5):507-10. doi: 10.1002/nau.22436. Epub 2013 Jun 24.

  PMID: 23797972 BACKGROUND

• Lose G, Rosenkilde P, Gammelgaard J, Schroeder T. Pad-weighing test performed with standardized bladder volume. Urology. 1988 Jul;32(1):78-80. doi: 10.1016/0090-4295(88)90462-1.

  PMID: 3388665 BACKGROUND

• Wu WY, Sheu BC, Lin HH. Twenty-minute pad test: comparison of infusion of 250 ml of water with strong-desire amount in the bladder in women with stress urinary incontinence. Eur J Obstet Gynecol Reprod Biol. 2008 Jan;136(1):121-5. doi: 10.1016/j.ejogrb.2007.02.030. Epub 2007 May 30.

  PMID: 17540494 BACKGROUND

• Simons AM, Yoong WC, Buckland S, Moore KH. Inadequate repeatability of the one-hour pad test: the need for a new incontinence outcome measure. BJOG. 2001 Mar;108(3):315-9. doi: 10.1111/j.1471-0528.2001.00069.x.

  PMID: 11281474 BACKGROUND

Study Officials

• Ho-Hsiung Lin, PhD

  National Taiwan University Hospital

  PRINCIPAL INVESTIGATOR

Study Design

• Study Type: interventional
• Phase: not applicable
• Allocation: NA
• Masking: NONE
• Purpose: DIAGNOSTIC
• Intervention Model: SINGLE GROUP
• Sponsor Type: OTHER
• Responsible Party: SPONSOR

Study Record Dates

• First Submitted: September 23, 2019
• First Posted: September 30, 2019
• Study Start: August 1, 2007
• Primary Completion: December 31, 2010
• Study Completion: December 31, 2010
• Last Updated: September 30, 2019

Record last verified: 2019-08

Data Sharing

• IPD Sharing: Will not share