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Related Concept Videos

Esophageal Varices-I: Introduction01:24

Esophageal Varices-I: Introduction

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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...
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Esophageal Perforation-I: Introduction01:22

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Esophageal perforation is a severe medical condition characterized by a breach in the integrity of the esophageal wall. This breach can occur due to various factors such as trauma, medical procedures, or underlying diseases. When the esophageal wall is compromised, it allows food, fluids, and digestive juices into the chest cavity or adjacent structures, leading to potential complications and health risks.
The location of esophageal perforation can vary, occurring anywhere along the esophagus....
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Esophageal Strictures-I: Introduction01:30

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Esophageal strictures involve abnormal narrowing or tightening of the esophagus. They vary in length and severity, ranging from mild constriction to complete obstruction, and are classified as benign (noncancerous) or malignant (cancerous).
Etiology
The primary cause of esophageal strictures is long-standing gastroesophageal reflux disease (GERD), accounting for about 70 to 80% of adult cases. Chronic acid reflux can lead to injury and scarring of the esophageal lining, culminating in...
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Esophageal Strictures-II: Clinical Features and Management01:26

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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...
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Pharmacokinetics in Pediatric Patients: Drug Excretion01:26

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In pediatric medicine, understanding the renal function and drug elimination nuances is crucial for administering safe and effective treatments. Newborns, in particular, display markedly slower renal functions than adults, profoundly affecting how drugs are cleared from their bodies. This slower drug clearance requires clinicians to extend the dosing intervals for many medications to prevent drug accumulation and toxicity while ensuring therapeutic efficacy.One key area where these adjustments...
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Esophageal Perforation-II: Clinical Manifestations and Management01:28

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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:
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Related Experiment Video

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Author Spotlight: Investigating the Pathophysiology of Eosinophilic Esophagitis
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Pediatric Eosinophilic Esophagitis.

Stephanie Posten1,2, Tonya Adamiak1,2, Melissa Jensen1,2

  • 1Sanford Children's Hospital, Sioux Falls, South Dakota.

South Dakota Medicine : the Journal of the South Dakota State Medical Association
|August 16, 2018
PubMed
Summary
This summary is machine-generated.

Eosinophilic esophagitis (EoE) is a chronic esophageal inflammation diagnosed via endoscopy and biopsy. Treatment involves diet changes, steroids, or dilation to heal the esophagus and resolve symptoms.

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Area of Science:

  • Gastroenterology
  • Immunology
  • Pediatrics

Background:

  • Eosinophilic esophagitis (EoE) is an immune-mediated esophageal disease increasingly recognized in children.
  • EoE presents with feeding difficulties, GERD-like symptoms, dysphagia, and food impaction.

Purpose of the Study:

  • To outline the diagnostic criteria and treatment strategies for eosinophilic esophagitis.
  • To highlight the challenges in differentiating EoE from GERD.

Main Methods:

  • Diagnosis is clinicopathologic, requiring endoscopy with biopsies.
  • Histologic confirmation involves ≥15 intraepithelial eosinophils/HPF isolated to the esophagus.
  • Exclusion of other causes of esophageal eosinophilia is necessary.

Main Results:

  • EoE diagnosis requires specific esophageal eosinophilia unresponsive to PPIs.
  • Treatment aims for histologic healing and symptom resolution.
  • Current treatments include dietary changes, topical steroids, and esophageal dilation.

Conclusions:

  • EoE diagnosis remains challenging due to similarities with GERD.
  • Further research is needed on underlying pathology and biomarkers for treatment response.