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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT01710579
Other study ID # 2012.729
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date September 2012
Est. completion date September 2014

Study information

Verified date September 2012
Source Hospices Civils de Lyon
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Ano-rectal manometry is indicative in patients with either fecal incontinence or constipation. Recently anorectal 3D- high resolution manometry has been developed. Pressure variations are measured circumferentially along the anal canal. It may allow a better understanding of anorectal disorders by displaying anal pressure asymmetry and it could be useful to assess the functional anatomy of the pelvic floor better than conventional manometry.


Recruitment information / eligibility

Status Completed
Enrollment 127
Est. completion date September 2014
Est. primary completion date September 2014
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years and older
Eligibility Arm 1: 50 healthy volunteers Inclusions will be stratified on gender (10 males, 40 females), age (15 subjects under 40 years; 20 subjects between 40 and 60 years; and 15 subjects >60 years) and parous (10 nullipara and 30 parous women).

Inclusion criteria:

Subject older than 18 years Absence of anorectal symptoms (no constipation, no fecal incontinence) Absence of pelvic floor disorders Vaizey score = 0 Kess score < 9 Subject with health insurance Written informed consent Non inclusion criteria: Patient younger than 18 years Pregnancy Incapability to give consent No written informed consent Participation to another study at the same time Previous ano-rectal surgery Pelvic radiotherapy Neurological disorder Diabetes mellitus

Arm 2: 50 patients with fecal incontinence

Inclusion criteria:

Subject older than 18 years Patient referred for anorectal manometry and/or ultrasound examination Fecal incontinence as main complain Vaizey score > 6 Kess score < 9 Subject with health insurance Written informed consent

Non inclusion criteria:

Patient younger than 18 years Pregnancy Incapability to give consent No written informed consent Participation to another study at the same time Rectal tumor Rectal stenosis Ileo-anal or ileo-rectal anastomosis Anal fissure Anal fistula Arm 3: 50 patients with constipation

Inclusion criteria:

Subject older than 18 years Patient referred for anorectal manometry and/or ultrasound examination Constipation as main complain Feeling of incomplete evacuation and/or manual disimpaction defined as needing to press in or around the anus to aid defecation Vaizey score < 6 Kess score < 9 Subject with health insurance Written informed consent

Non inclusion criteria:

Patient younger than 18 years Pregnancy Incapability to give consent No written informed consent Participation to another study at the same time Rectal tumor Rectal stenosis Ileo-anal or ileo-rectal anastomosis Anal fissure Anal fistula

Study Design


Intervention

Procedure:
Anorectal 3D-high resolution manometry
Anorectal probe is used with a single-use protective sheath with an inflation balloon Control of balloon deflation Patient in left lateral decubitus position with hips flexed to 90° (this position is the most commonly use and the most convenient) Transanal insertion 2 minutes resting period: resting anal pressure will be evaluated the second minute of rest Sustained voluntary maximal squeeze for at least 30 seconds; the maneuver will be repeated once Valsalva Bear down maneuver; the maneuver will be repeated once Anorectal reflexes evaluation with 20-, 40- and 60-ml intra-rectal balloon inflation Probe removal
Anorectal radial endosonography (rotative 360° probe)
Patient in left lateral decubitus position with hips flexed to 90° Transanal probe insertion Evaluation of internal and external anal sphincter integrity and puborectalis muscle at rest
Dynamic anorectal endosonography (sagittal and radial)
Patient in left lateral decubitus position with hips flexed to 90° Rectum is filled with 50-ml water Probe is covered with a water-filled balloon to maintain the acoustic window for the ultrasound wave Transanal probe insertion Slow and manual rotation of the linear probe through 360° to identify the various layers constituting the anal wall (mucosa, IAS, EAS), the layer forming the rectal wall and the perirectal tissues (puborectalis muscle, bladder, and vagina or prostate) After the initial examination, the patient will be asked to make a defecation effort with the probe left in the same position

Locations

Country Name City State
France Unité d'Exploration Fonctionnelle Digestive Hôpital Edouard Herriot Lyon

Sponsors (1)

Lead Sponsor Collaborator
Hospices Civils de Lyon

Country where clinical trial is conducted

France, 

References & Publications (1)

Mion F, Garros A, Brochard C, Vitton V, Ropert A, Bouvier M, Damon H, Siproudhis L, Roman S. 3D High-definition anorectal manometry: Values obtained in asymptomatic volunteers, fecal incontinence and chronic constipation. Results of a prospective multicen — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Anal pressure pattern at rest, during voluntary maximal squeezing and bear down Anal pressure pattern at rest, during voluntary maximal squeezing and bear down Following parameters will be measured at the level of anal sphincter:
Minimal pressure (amplitude and location)
Maximal pressure (amplitude and location)
Mean pressure
Asymmetry
during procedure
Secondary presence of ano-rectal reflex. during procedure
Secondary Ano-rectal radial endosonography Evaluation of internal and external anal sphincter integrity and puborectalis muscle at rest During procedure
Secondary Dynamic ano-rectal endoconography presence of pelvic floor disorder (rectocele, enterocele) During procedure
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