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Evaluation of 3D Translabial Ultrasound Imaging for Pessary Size Estimation

NCT04099121 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 24

Last updated 2024-04-30

No results posted yet for this study

Summary

Symptoms of female pelvic floor dysfunction, such as incontinence and pelvic organ prolapse, can be alleviated by using pessaries, which are passive medical devices that are inserted in the vagina to support the pelvic organs. Currently, pessaries are fit through trial and error after manual examination, the accuracy of which depends on the physician's expertise level.

The objective of this study is to evaluate the feasibility of using 3D translabial ultrasound imaging of the vagina at various distension volumes to predict the pessary size for successful fit. Ultrasound images will be obtained using commercially available 3D ultrasound probes (Philips, Netherlands), as well as a commercially available 2D ultrasound probe (Philips, Netherlands), which is linearly scanned to capture a 3D volume. The linear scanning will be performed by attaching the 2D probe to a motorized hand-held scanner, which is used to tilt and move the probe to acquire images. Please note that the hand-held scanner does not come in contact with the patient. To distend the vagina, a sterile bag is inserted in the vagina and gradually filled with water using a commercially available urodynamic system (Laborie, Canada) until the vaginal capacity is reached, without causing any discomfort to the patient. This image acquisition technique, previously reported in the literature, is referred to as 3D ultrasound vaginal manometry in this study.

To achieve the objective of this project, 35 pelvic organ prolapse patients, who (i) are current pessary users, (ii) can perform self-care of the pessary, and (iii) can provide informed consent, will be invited to participate in the study. Patients will be asked to remove their pessary prior to ultrasound imaging. Then, 3D ultrasound vaginal manometry will be performed, using the technique described above. Ultrasound images will be analyzed once data acquisition is completed. The size of the pessary estimated from ultrasound images will be compared with the actual pessary size used by the patient.

Conditions

  • Prolapse

Interventions

DEVICE

Ultrasound Imaging

3D ultrasound of the pelvic floor and vaginal cavity will be obtained by using a commercial ultrasound system.

Sponsors & Collaborators

  • Cosm Medical Corp.

    collaborator UNKNOWN

  • Western University, Canada

    lead OTHER

Study Design

Allocation
NA
Purpose
OTHER
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Sex
FEMALE
Healthy Volunteers
No

Timeline & Regulatory

Start
2020-02-01
Primary Completion
2023-09-05
Completion
2023-11-01

Countries

  • Canada

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT04099121 on ClinicalTrials.gov