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Related Concept Videos

Esophageal Varices-II: Clinical Features and Management01:28

Esophageal Varices-II: Clinical Features and Management

Esophageal varices often manifest as gastrointestinal bleeding episodes, presenting symptoms like hematemesis (vomiting of blood), hematochezia (passing fresh blood via the rectum), and melena (black, tarry stools). Other signs can include weight loss, anorexia, abdominal discomfort, jaundice, pruritus, altered mental status, and muscle cramps.
In the initial assessment, a thorough review of the patient's medical history is vital to identify risk factors such as liver disease, alcohol abuse, or...
Esophageal Varices-I: Introduction01:24

Esophageal Varices-I: Introduction

Esophageal varices are dilated, tortuous veins which are found mainly in the submucosa of the lower esophagus but which may also appear higher up or extend into the stomach. They develop due to increased pressure in the portal venous system, often as a result of liver cirrhosis. This condition scars and damages the liver, impeding normal blood flow through the portal vein. To compensate, blood seeks alternative pathways, forming fragile new vessels (varices) in the esophagus and stomach. These...
Endoscopic Procedures I: Esophagogastroduodenoscopy01:29

Endoscopic Procedures I: Esophagogastroduodenoscopy

An Esophagogastroduodenoscopy (EGD) is a diagnostic procedure in which an endoscopist uses a flexible, lighted endoscope to visualize the upper gastrointestinal (GI) tract. The procedure includes visualizing the oropharynx, esophagus, stomach, and the first part of the small intestine, the duodenum.
During an EGD, the endoscope can be used to:
Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

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...
Peptic Ulcer Disease III: Clinical Manifestations and Complications01:25

Peptic Ulcer Disease III: Clinical Manifestations and Complications

Duodenal UlcersDuodenal ulcers are the most common form of peptic ulcer disease, presenting with chronic, intermittent epigastric pain. Pain typically appears 2–3 hours after meals, especially when the stomach is empty, often waking patients at night. It is characteristically relieved by food or antacids (“pain–food–relief”). Some patients remain asymptomatic until complications like bleeding or perforation emerge, particularly with NSAID or anticoagulant use.Gastric UlcersGastric ulcers share...
Peptic Ulcer Disease I: Introduction01:30

Peptic Ulcer Disease I: Introduction

Peptic Ulcer Disease (PUD) is characterized by mucosal excavation in the esophagus, stomach, pylorus, or duodenum. It can manifest as acute or chronic based on the extent and duration of mucosal involvement.
An acute ulcer, marked by superficial erosion and minimal inflammation, swiftly resolves upon identifying and addressing the underlying cause. In contrast, a chronic ulcer persists, potentially eroding through the muscular wall and forming fibrous tissue.
Peptic ulcers can also be...

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Related Experiment Videos

Factors associated with increased bleeding post-endoscopic mucosal resection.

Bashar J Qumseya1, Christianne Wolfsen, Yize Wang

  • 1Department of Gastroenterology & Hepatology, Mayo Clinic, Jacksonville, FL 32224, USA.

Journal of Digestive Diseases
|November 9, 2012
PubMed
Summary
This summary is machine-generated.

Bleeding during and after endoscopic mucosal resection (EMR) is uncommon, but larger lesions increase the risk of early and delayed bleeding. This finding helps anticipate the need for preventative therapies in EMR procedures.

Related Experiment Videos

Area of Science:

  • Gastroenterology
  • Endoscopic Procedures
  • Patient Safety

Background:

  • Endoscopic mucosal resection (EMR) is a common procedure for gastrointestinal lesion removal.
  • Bleeding is a potential complication of EMR, necessitating identification of risk factors.
  • Predicting and preventing bleeding can improve patient outcomes and reduce healthcare costs.

Purpose of the Study:

  • To identify patient and procedural characteristics associated with an increased risk of bleeding during and after EMR.
  • To inform the development of preventative strategies for EMR-related bleeding.

Main Methods:

  • Retrospective, observational study of 935 EMR procedures from a prospective database.
  • Analysis of early bleeding (during procedure) and delayed bleeding (up to 30 days post-procedure).
  • Multivariate logistic regression used to identify significant risk factors, controlling for age, gender, and medication use.

Main Results:

  • Early bleeding occurred in 5.3% of procedures; esophageal EMR and larger lesion size were associated with higher odds.
  • Delayed bleeding occurred in 3.1% of procedures, with larger lesion size being a significant risk factor.
  • A majority of delayed bleeding cases (86.2%) required hospitalization and endoscopic intervention.

Conclusions:

  • Bleeding complications following EMR are infrequent when performed by experienced endoscopists.
  • Increased lesion size is a key predictor for both early and delayed bleeding after EMR.
  • Identifying larger lesions can guide proactive measures to mitigate bleeding risks.