Related Experiment Video
Updated: Jan 28, 2026
03:23
Author Spotlight: Investigating the Pathophysiology of Eosinophilic Esophagitis
Published on: May 10, 2024
1.4K
Eosinophilic esophagitis: Pathophysiology, diagnosis, and management
C Vinit1, A Dieme1, S Courbage2
1Paris-Descartes Medical University, 12, rue de l'École-de-Médecine, 75006 Paris, France.
Summary
Eosinophilic esophagitis (EoE) is an esophageal inflammation influenced by genetics and allergens. Dietary changes and topical steroids can manage EoE, but long-term risks and therapies require further study.
Area of Science:
- Gastroenterology
- Immunology
- Allergy
Background:
- Eosinophilic esophagitis (EoE) is a complex esophageal inflammation with genetic and environmental factors.
- Key features include a compromised mucosal barrier, Th2-mediated immune responses to allergens, and esophageal dysfunction.
- Symptoms vary by age and include reflux, abdominal pain, and food impaction.
Purpose of the Study:
- To outline the diagnostic criteria and current management strategies for eosinophilic esophagitis (EoE).
- To discuss the role of dietary therapy and topical steroids in EoE treatment.
- To highlight the association of EoE with atopic disorders and potential long-term complications.
Main Methods:
- Diagnosis relies on endoscopic and histological findings, specifically ≥15 eosinophils/high power field (Eo/hpf).
- Proton pump inhibitor (PPI) challenge is used for PPI-sensitive EoE.
- Allergy testing (IgE, skin prick tests) assesses anaphylaxis risk.
Main Results:
- Dietary therapy, including elimination diets, achieves remission in 65% of cases.
- Topical steroids (budesonide, fluticasone) are an alternative but have variable efficacy and potential side effects like candidiasis.
- Long-term risks include esophageal stenosis (25%), with biotherapies showing limited clinical benefit.
Conclusions:
- EoE management involves a combination of dietary interventions and/or topical steroids.
- Long-term outcomes, maintenance therapy, and the impact of steroids on growth require further investigation.
- Identifying patients at risk for anaphylaxis is crucial.
More Related Videos
Related Concept Videos
01:26Esophageal Strictures-II: Clinical Features and Management
605
Patients with esophageal strictures often experience a range of symptoms. Initially, they may have difficulty swallowing solid foods, which can progress to include liquids. Additional symptoms may involve chest pain or discomfort, regurgitating food and fluids, heartburn, unintentional weight loss, coughing or choking during meals, and hoarseness.
Healthcare providers should gather a comprehensive medical history and conduct a physical examination for diagnosis. If esophageal stricture is...
Healthcare providers should gather a comprehensive medical history and conduct a physical examination for diagnosis. If esophageal stricture is...
605
01:28Esophageal Perforation-II: Clinical Manifestations and Management
715
Esophageal perforations manifest in various clinical forms, influenced by factors such as the perforation's cause and location (cervical, intrathoracic, or intra-abdominal), the extent of contamination, and potential injury to adjacent mediastinal structures. The timing between the perforation occurrence and treatment initiation also affects the clinical presentation.
Clinical Manifestations:
Clinical Manifestations:
715
01:28Esophageal Varices-II: Clinical Features and Management
548
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...
In the initial assessment, a thorough review of the patient's medical history is vital to identify risk factors such as liver disease, alcohol...
548
01:17Gastritis-II: Pathophysiology
1.2K
Gastritis is marked by disruption of the mucosal barrier that usually protects the stomach tissue from digestive juices and manifests in acute and chronic forms.
In acute gastritis, the gastric mucosa becomes swollen and red and undergoes superficial erosion. Superficial ulceration may lead to bleeding.
In chronic gastritis, persistent or repeated insults lead to chronic inflammatory changes and, eventually, thinning or atrophy of the gastric tissue.
Gastritis can stem from various causes, each...
In acute gastritis, the gastric mucosa becomes swollen and red and undergoes superficial erosion. Superficial ulceration may lead to bleeding.
In chronic gastritis, persistent or repeated insults lead to chronic inflammatory changes and, eventually, thinning or atrophy of the gastric tissue.
Gastritis can stem from various causes, each...
1.2K
01:22Pathophysiology of Vomiting
3.0K
Vomiting is a complex physiological response to expel harmful or irritating substances from the body. It's a defensive mechanism triggered by stimuli like poisons, microbial toxins, cytotoxic drugs, and mechanical abdominal distension. The process is centrally coordinated by the vomiting (or emetic) center located in the medulla of the brainstem. This area, rich in muscarinic M1, histamine H1, neurokinin 1 (NK1), and serotonin 5-HT3 receptors, coordinates the act of vomiting through...
3.0K
01:24Esophageal Varices-I: Introduction
1.4K
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...
1.4K