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Related Concept Videos

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:
742
Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

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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...
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Acute Pharyngitis01:30

Acute Pharyngitis

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Introduction
Acute pharyngitis is the inflammation of the back of the throat (pharynx), commonly resulting in a sore throat. It is a frequently encountered condition that prompts individuals to seek medical advice.
Classification
Acute pharyngitis can be categorized based on its underlying cause:
4.2K
Acute Pancreatitis I: Introduction01:27

Acute Pancreatitis I: Introduction

1.3K
Pancreatitis is inflammation of the pancreas, an organ located behind the stomach. It can be either acute or chronic.
Acute pancreatitis is characterized by rapid inflammation of the pancreas, often caused by factors like gallstone blockage or excessive alcohol consumption. Chronic pancreatitis, on the other hand, is a slow, progressive inflammation that may result from long-term alcohol abuse, obstructions in the pancreatic duct, or genetic factors.
The causes of acute pancreatitis include:
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Acute Respiratory Failure-I01:21

Acute Respiratory Failure-I

1.0K
Acute respiratory failure is a condition characterized by the inability of the lungs to perform their primary function: gas exchange. This failure leads to insufficient oxygen levels (hypoxemia) in the blood, elevated carbon dioxide levels (hypercapnia), or both, causing critical impairment in organ function.
Definition: It is defined by specific criteria based on blood gas measurements. Hypoxemia happens when the partial pressure of oxygen (PaO2) falls below 60 mmHg. At the same time,...
1.0K
Acute Respiratory Failure-II01:21

Acute Respiratory Failure-II

1.1K
Type I Respiratory Failure, or hypoxemic respiratory failure, occurs when the partial pressure of oxygen (PaO2) in arterial blood falls below 60 mmHg while breathing room air without a corresponding increase in arterial carbon dioxide levels (PaCO2). This condition highlights a significant impairment in the lungs' capacity to oxygenate the blood.
The underlying physiological abnormalities that contribute to hypoxemic respiratory failure include:
1.1K

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Related Experiment Video

Updated: Feb 3, 2026

Fecal Microbiota Transplantation via Colonoscopy for Recurrent C. difficile Infection
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[Colonoscopy following acute diverticulitis mandatory].

Liv Willer Erritzøe1, Svend Knuhtsen, Lasse Bremholm Hansen

  • 1livzoee@hotmail.com.

Ugeskrift for Laeger
|October 31, 2018
PubMed
Summary

International guidelines recommend lower endoscopy after acute diverticulitis, but evidence is weak. Colonoscopy is crucial for complicated cases, not uncomplicated diverticulitis, due to low colorectal cancer incidence.

Area of Science:

  • Gastroenterology
  • Colorectal Surgery
  • Oncology

Background:

  • International guidelines suggest lower endoscopy for acute diverticulitis to screen for colorectal cancer.
  • This practice is supported by limited scientific evidence.
  • Recent research indicates a low incidence of colorectal cancer following uncomplicated acute diverticulitis.

Purpose of the Study:

  • To evaluate the necessity of lower endoscopy in patients with acute diverticulitis.
  • To differentiate the risk of colorectal cancer in complicated versus uncomplicated diverticulitis.
  • To inform evidence-based guidelines for post-diverticulitis endoscopic evaluation.

Main Methods:

  • Review of recent studies on colorectal cancer incidence after acute diverticulitis.

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Structured Approach to Colonoscopy Technique Optimization: A Single-Center Experience with Novice Endoscopists
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Structured Approach to Colonoscopy Technique Optimization: A Single-Center Experience with Novice Endoscopists

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E-Patient Counseling Trial E-PACO: Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy
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E-Patient Counseling Trial E-PACO: Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy

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E-Patient Counseling Trial E-PACO: Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy
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  • Analysis of cancer rates in complicated (abscess, perforation) versus uncomplicated diverticulitis cases.
  • Assessment of the evidence supporting current endoscopic screening practices.

    • Main Results:

    • The incidence of colorectal cancer following uncomplicated acute diverticulitis is low.
    • Complicated diverticulitis, involving abscess or perforation, is associated with a higher incidence of colorectal cancer.
    • Current evidence supporting routine colonoscopy for uncomplicated diverticulitis is weak.

    Conclusions:

    • Colonoscopy is not routinely indicated for uncomplicated acute diverticulitis.
    • Patients with complicated diverticulitis should undergo colonoscopy due to increased colorectal cancer risk.
    • Guidelines should be updated to reflect the low incidence of cancer in uncomplicated cases.