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Fecal Incontinence Subtypes in Women With Pelvic Floor Disorders (FIST)

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University of Pennsylvania

Status

Completed

Conditions

Fecal Incontinence

Treatments

Other: No intervention

Study type

Observational

Funder types

Other

Identifiers

Details and patient eligibility

About

Fecal incontinence (FI) is clinically subtyped as urge FI and passive FI based on symptoms, however the pathophysiologic significance of this subtyping is not known. FI is commonly encountered in women with pelvic floor disorders. This study aims to compare characteristics of clinical severity, quality of life, anatomy, and physiology of urge FI versus passive FI. Urogynecology patients greater than age 18 with FI at least monthly over the last 3 months will be recruited for participation. Participants will be divided into urge FI subtype and passive FI subtype. Participants will complete validated questionnaires on clinical severity and quality of life, both as related to FI and general heath. Participants will undergo pelvic examination, endoanal ultrasound and anorectal manometry for evaluation of anatomic and physiologic pathology. Results between both groups will be compared. The investigators hypothesize that clinical, anatomic, and physiologic characteristics differ between urge-predominant fecal incontinence and passive-predominant fecal incontinence in women with pelvic floor disorders.

Full description

Fecal incontinence greatly affects quality of life and can negatively impact an individual's activity level, body image, and likelihood of institutionalization. Female sex and advancing age are known independent risk factors for fecal incontinence. Among community dwelling adults, the prevalence of fecal incontinence has ranged from 0.4 to 18 percent. Prevalence rates of fecal incontinence are even higher in women with pelvic floor disorders, reaching up to 41%, illustrating the large bearing on quality of life of this patient population.

Fecal incontinence can be subtyped into three clinical subtypes: urge fecal incontinence, passive fecal incontinence, and fecal seepage. Urge incontinence refers to loss of fecal matter in spite of active attempts to retain contents; passive incontinence refers to involuntary loss of stool without awareness. Despite the clinical distinction of fecal incontinence subtypes, the pathophysiology of these subtypes is not known. Existing practice guidelines recommend categorizing patients into these subtypes, evaluating symptom severity by patient-reported outcomes, and assessing function of the anorectal complex with imaging and physiologic tests to best tailor management options. Although the framework for subtyping fecal incontinence exists, specific associations between subtypes and clinical, anatomic, and physiologic findings in women with pelvic floor disorders are not well delineated. Further characterizing the subtypes in relation to specific clinical, anatomic, and physiologic findings may allow us to better approach the treatment of women with fecal incontinence.

Our comparison of the two fecal incontinence subtypes, urge-predominant fecal incontinence and passive fecal incontinence, will be evaluated for clinical severity, impact on quality of life, and anatomic and physiologic characteristics using validated instruments.

Primary Aim:

To compare the severity of urge fecal incontinence versus passive fecal incontinence in women with pelvic floor disorders.

Secondary Aims:

  1. To compare anatomic characteristics in urge fecal incontinence versus passive fecal incontinence in women with pelvic floor disorders.
  2. To compare physiologic characteristics in urge fecal incontinence versus passive fecal incontinence in women with pelvic floor disorders.
  3. To compare quality of life characteristics in urge fecal incontinence versus passive fecal incontinence in women with pelvic floor disorders.
  4. To compare anorectal manometry results and patient preference of testing performed in the left lateral position versus dorsal lithotomy position.

Null Hypothesis: Clinical, anatomic, and physiologic characteristics do not differ between urge-predominant fecal incontinence and passive-predominant fecal incontinence in women with pelvic floor disorders.

Enrollment

21 patients

Sex

Female

Ages

18+ years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • Women greater than age 18 with fecal incontinence at least monthly over the last 3 months

Exclusion criteria

  • Malignancy
  • Fistula
  • Rectal prolapse
  • Prior colorectal surgery
  • Prior radiation
  • Fecal impaction
  • Sole flatal incontinence
  • Neurologic disorders

Trial design

21 participants in 2 patient groups

Urge-predominant
Description:
All subjects who report fecal incontinence that is primarily urge-predominant will undergo self-administered questionnaires, pelvic examination, endoanal ultrasound, and anorectal manometry.
Treatment:
Other: No intervention
Passive-predominant
Description:
All subjects who report fecal incontinence that is primarily passive-predominant will undergo self-administered questionnaires, pelvic examination, endoanal ultrasound, and anorectal manometry.
Treatment:
Other: No intervention

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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