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Related Concept Videos

Lower GI Series: Barium Enema01:23

Lower GI Series: Barium Enema

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A Barium Enema, or a lower GI series, is a specialized radiographic examination designed to visualize the lower gastrointestinal tract, specifically the colon and rectum. This procedure is instrumental in diagnosing various conditions such as colorectal cancer, polyps, diverticulosis, and inflammatory bowel disease.
Procedure Details
The examination begins by inserting a lubricated rectal tube into the patient's rectum to administer a radiopaque barium solution. The barium flow is carefully...
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Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

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Sigmoidoscopy and laparoscopy are distinct medical procedures that enable physicians to internally inspect different parts of the GI tract. Although they serve different purposes, each is essential for diagnosing and, in some cases, treating various medical conditions.
Sigmoidoscopy
Sigmoidoscopy is a diagnostic procedure that uses a flexible sigmoidoscope equipped with a light source and camera to examine the rectum and sigmoid colon. The procedure involves inserting the tube through the anus...
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Inflammatory Bowel Disease V: Surgical Management01:21

Inflammatory Bowel Disease V: Surgical Management

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Surgical interventions for inflammatory bowel disease (IBD), which includes ulcerative colitis and Crohn's disease, are essential in managing symptoms and addressing complications. The selection of surgical procedures is contingent upon the specific conditions and complications that stem from these illnesses.
Here are some common surgical interventions for IBD:
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Upper GI Series: Barium Swallow01:24

Upper GI Series: Barium Swallow

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The Barium Swallow Study, or a Barium Esophagogram, is a diagnostic imaging method used to visualize the upper gastrointestinal (GI) tract, including the esophagus, stomach, and small intestine. It employs barium sulfate, a radiopaque contrast material, to provide clear images of the upper digestive system, helping to identify abnormalities, diseases, or structural issues.
Purpose and Procedure
Patients undergoing this procedure ingest a liquid containing barium sulfate with a chalky...
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Endoscopic Procedures II: Colonoscopy01:25

Endoscopic Procedures II: Colonoscopy

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The colon, or large intestine, is the final segment of the digestive system. Its primary functions include absorbing water and vitamins produced by gut bacteria and transforming waste from liquid to solid to form stool. In adults, the large intestine is approximately 5 feet long and consists of four main sections:
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Assessment of the Rectum and Anus01:25

Assessment of the Rectum and Anus

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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,...
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Related Experiment Video

Updated: Jan 1, 2026

E-Patient Counseling Trial E-PACO: Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy
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Bowel preparation under siege.

J C Alverdy1, N Hyman1

  • 1University of Chicago Pritzker School of Medicine, 5841 S Maryland Avenue, MC 6090, Chicago, Illinois, 60637, USA.

The British Journal of Surgery
|December 25, 2019
PubMed
Summary
This summary is machine-generated.

Recent randomized controlled trials (RCTs) on mechanical bowel preparation for colonic surgery show varied methods and results. Further research, including microbial cultures, is needed to clarify its role in colorectal surgery.

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Area of Science:

  • Colorectal Surgery
  • Surgical Gastroenterology
  • Microbiology

Background:

  • Mechanical bowel preparation (MBP) is a common practice before colonic surgery.
  • The precise role and optimal methods of MBP remain debated in surgical literature.

Purpose of the Study:

  • To analyze recent randomized controlled trials (RCTs) evaluating MBP in colonic surgery.
  • To identify inconsistencies and knowledge gaps in current research on MBP.

Main Methods:

  • Systematic review and analysis of recent RCTs on MBP before colonic surgery.
  • Assessment of study methodologies, reported outcomes, and conclusions.

Main Results:

  • Significant heterogeneity observed in MBP methods across reviewed RCTs.
  • Discrepancies noted in the results and conclusions drawn from these studies.
  • Lack of microbial culture confirmation hinders a deeper understanding of MBP's impact.

Conclusions:

  • The optimal approach to MBP in colorectal surgery is not yet established.
  • Further standardized research, incorporating microbial analysis, is essential.
  • Controversy persists regarding the necessity and efficacy of MBP.