Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Evacuation proctography in normal volunteers.

M G Freimanis1, A Wald, B Caruana

  • 1Department of Radiology, Rush-Presbyterian-St. Luke's Medical Center, Chicago, Illinois 60612.

Investigative Radiology
|June 1, 1991
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Effects of resuscitation with human albumin 5%, hydroxyethyl starch 130/0.4 6%, or crystalloid on kidney damage in an ovine model of septic shock.

British journal of anaesthesia·2018
Same author

Ventilation rates in recently constructed U.S. school classrooms.

Indoor air·2017
Same author

Enrichment of herpes simplex virus type 2 (HSV-2) reactive mucosal T cells in the human female genital tract.

Mucosal immunology·2017
Same author

Persistence of mucosal T-cell responses to herpes simplex virus type 2 in the female genital tract.

Mucosal immunology·2014
Same author

Herpes zoster incidence in a multicenter cohort of solid organ transplant recipients.

Transplant infectious disease : an official journal of the Transplantation Society·2010
Same author

Acyclovir and transmission of HIV-1 from persons infected with HIV-1 and HSV-2.

The New England journal of medicine·2010
Same journal

3D Freehand Ultrasound Imaging of Optic Nerve Sheath.

Investigative radiology·2026
Same journal

Iodinated Contrast Media Hypersensitivity in 115,966 Patients: Risk Factors, Severity Profiles, and the Impact of Iodine Concentration on Reaction Risk.

Investigative radiology·2026
Same journal

Improvement of Lung Nodule Volumetric Accuracy with Photon-counting Computed Tomography Over Energy-integrating Computed Tomography in Low-dose Screening: A Phantom Study.

Investigative radiology·2026
Same journal

Photon-counting CT in Anterior Cervical Discectomy and Fusion: Improved Metal Artifact Reduction and Impact on Bone Fusion Assessment.

Investigative radiology·2026
Same journal

Quantitative Synthetic MRI in Body Imaging: Technical Basis, Current Applications, and Future Directions.

Investigative radiology·2026
Same journal

Nonclinical Safety Assessment of Digadoglucitol, a Novel Magnetic Resonance Imaging Contrast Agent for the Central Nervous System.

Investigative radiology·2026
See all related articles

Defecography findings in constipation patients are often misinterpreted. Many asymptomatic individuals exhibit "abnormal" results, highlighting the need for cautious interpretation of defecography in clinical decision-making.

Area of Science:

  • Gastroenterology
  • Colorectal Surgery
  • Radiology

Background:

  • Evacuation proctography (defecography) is used to evaluate constipation.
  • Abnormal findings can lead to aggressive medical or surgical treatment.
  • Normal defecography criteria and symptom correlation are not well-established.

Purpose of the Study:

  • To assess defecography findings in asymptomatic volunteers.
  • To establish quantitative measures of normal rectal emptying.
  • To evaluate the correlation between radiographic findings and evacuation efficiency.

Main Methods:

  • Prospective study of 21 asymptomatic volunteers.
  • Standard defecography technique using barium paste.
  • Analysis of rectocele, intussusception, pelvic descent, and puborectalis spasm.

Related Experiment Videos

  • Quantification of rectal emptying percentage.

    • Main Results:

    • 67% of volunteers (14/21) showed "abnormal" findings (rectocele, intussusception, etc.).
    • Rectal emptying ranged from 12.5% to 100%.
    • 19% of volunteers (4/21) evacuated <= 40% of barium paste.
    • No correlation found between radiographic abnormality severity and evacuation degree.

    Conclusions:

    • Defecography findings vary widely in asymptomatic individuals.
    • Radiographic abnormalities are common in healthy subjects.
    • Defecography results require cautious interpretation for patients undergoing intervention.