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Related Concept Videos

Assessment of the Rectum and Anus01:25

Assessment of the Rectum and Anus

Evaluating the rectum and anus plays a crucial role in conducting a thorough physical examination of the gastrointestinal system. Although it may be uncomfortable and often embarrassing for the patient, it holds immense diagnostic value, particularly in detecting gastrointestinal diseases and abnormalities. This guide will explain how to perform this assessment using inspection and palpation methods.
Rectal Inspection
Begin by inspecting the perianal and anal areas for color, texture, rashes,...
Feces Formation and Defecation01:26

Feces Formation and Defecation

After spending 3 to 10 hours in the large intestine, chyme loses a lot of water and becomes feces, the final product of digestion. Feces consist of undigested dietary fiber such as cellulose, mucus, sloughed-off epithelial cells, and microbes. The descending and sigmoid colon stores feces and uses haustral contractions to dry it out but retains enough water to give it a semi-solid texture.
The mass peristalsis then pushes the feces into the rectum, which stretches the rectal walls to activate...
Irritable Bowel Syndrome II: Clinical Features and Diagnostic Evaluation01:30

Irritable Bowel Syndrome II: Clinical Features and Diagnostic Evaluation

Irritable Bowel Syndrome II: Clinical Features and Diagnostic Evaluation
Irritable Bowel Syndrome (IBS) is classified into subtypes based on the predominant bowel habits as determined by the Bristol Stool Form Scale (BSFS). The subtypes are:
Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and solid...
Physiology of the Gastrointestinal System III: Elimination01:26

Physiology of the Gastrointestinal System III: Elimination

The gastrointestinal elimination process involves a complex interplay of neural and hormonal mechanisms that coordinate the final waste removal from the body. This intricate operation encompasses the absorption of water and electrolytes, vital for transforming the remaining indigestible food matter into feces. The large intestine is pivotal in water and electrolyte absorption, forming feces from unabsorbed minerals, undigested food, bacteria, bile pigments, and shed epithelial cells. Essential...
Drugs for Treatment of Constipation-Predominant IBS01:21

Drugs for Treatment of Constipation-Predominant IBS

Pharmacological therapies for IBS-C are designed to alleviate abdominal discomfort and enhance bowel function. In patients with IBS-C, fiber supplements may help soften stools and decrease straining, but may also lead to increased gas production and bloating. Osmotic laxatives like milk of magnesia are frequently used to soften stools and increase stool frequency in IBS-C patients. In addition, two drugs approved for use in severe IBS-C adult cases are linaclotide (Linzess) and lubiprostone...

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Related Experiment Videos

Constipation as a defecation disorders: what do we expect from the physiologic tests?

A Ziya Balta1, S Demirbas, R Ozturk

  • 1GATA General Surgical Clinic, Division of Gastrointestinal Surgery, Ankara, Turkey. ahmetzbalta@yahoo.com

Bratislavske Lekarske Listy
|April 2, 2011
PubMed
Summary
This summary is machine-generated.

Physiologic tests like colonic transit time (CTT) and anal manometry aid chronic constipation diagnosis. Defecography and clinical symptoms significantly impact identifying constipation causes.

Related Experiment Videos

Area of Science:

  • Gastroenterology
  • Clinical Diagnostics
  • Medical Imaging

Background:

  • Chronic constipation presents with diverse symptoms like hard stool, straining, and abdominal pain.
  • Diagnostic challenges arise from anorectal variations and limitations of imaging procedures.
  • Physiologic testing is crucial for accurate diagnosis when initial assessments are inconclusive.

Purpose of the Study:

  • To identify which physiologic tests correlate with clinical symptoms in chronic constipation patients.
  • To determine the diagnostic value of various physiologic tests for chronic constipation.
  • To establish the most impactful diagnostic tools for patients with chronic constipation.

Main Methods:

  • 127 patients with chronic constipation (Rome II criteria) were studied.
  • 80 non-responsive patients underwent physiologic tests: anal manometry, defecography, and colonic transit time (CTT).
  • Factor analysis and ROC curve analysis were used to assess test impact on constipation status.

Main Results:

  • Significant differences were observed in CTT, scoring systems, evacuation problems, and stool consistency among 17 factors.
  • The study identified key factors influencing constipation, including CTT, scoring systems, and evacuation difficulties.
  • Defecography and specific clinical symptoms emerged as highly impactful in diagnosing constipation.

Conclusions:

  • Physiologic tests, including scoring systems, CTT, and anal manometry, are vital for diagnosing constipation etiology.
  • Defecography and clinical symptom assessment play a significant role in the overall diagnosis of constipation.
  • Integrating physiologic testing with clinical evaluation provides a comprehensive approach to diagnosing chronic constipation.