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Related Concept Videos

Barrett Esophagus-II: Clinical Manifestations and Management01:21

Barrett Esophagus-II: Clinical Manifestations and Management

172
Individuals with Barrett's esophagus are often asymptomatic, but they may experience symptoms commonly associated with GERD, such as heartburn and acid regurgitation. Additional symptoms can include difficulty swallowing, chest pain, unintentional weight loss, blood in the stool (which may appear black, tarry, or bloody), and episodes of vomiting.
To diagnose Barrett's esophagus, healthcare providers often recommend an endoscopy for those showing symptoms of acid reflux. The procedure...
172
Esophageal Varices-II: Clinical Features and Management01:28

Esophageal Varices-II: Clinical Features and Management

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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...
76
Esophageal Perforation-II: Clinical Manifestations and Management01:28

Esophageal Perforation-II: Clinical Manifestations and Management

73
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:
73
Esophageal Strictures-II: Clinical Features and Management01:26

Esophageal Strictures-II: Clinical Features and Management

86
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...
86
Barrett Esophagus-I: Introduction01:21

Barrett Esophagus-I: Introduction

107
Barrett's esophagus is a medical condition where the esophageal mucosa is significantly damaged by stomach acid or other digestive fluids, often due to long-term exposure associated with gastroesophageal reflux disease (GERD). In GERD, a weakened or abnormally relaxed lower esophageal sphincter allows stomach acid to flow persistently into the esophagus.
This constant acid exposure transforms the esophagus's pink mucosal lining (stratified squamous epithelium) into a type of lining more...
107
Esophageal Varices-I: Introduction01:24

Esophageal Varices-I: Introduction

159
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...
159

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PREVALENCE OF COMORBIDITIES IN PATIENTS WITH CHAGASIC MEGAESOPHAGUS.

Arthur Marot de Paiva1, Gabriel Baeta Branquinho Reis1, Pedro Henrique de Ávila Perillo1

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Summary

Chagas megaoesophagus patients show high rates of hypertension, dyslipidaemia, and heart failure. Lower rates of diabetes and Alzheimer's disease suggest a link to enteric nervous system denervation, warranting further study.

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Area of Science:

  • Gastroenterology
  • Cardiology
  • Neurology

Background:

  • Chagas disease can lead to megaoesophagus, a condition affecting the esophagus.
  • The relationship between Chagas megaoesophagus and other comorbidities is not fully understood.
  • Investigating comorbidities can reveal protective or risk factors associated with megaoesophagus.

Purpose of the Study:

  • To assess the prevalence of specific comorbidities in patients with Chagas megaoesophagus.
  • To compare comorbidity prevalence between patients with and without megaoesophagus.
  • To determine if Chagas megaoesophagus acts as a protective or risk factor for analyzed conditions.

Main Methods:

  • Observational descriptive study.
  • Data collected from medical records (2005-2020).
  • Patients categorized into general (all ages) and older (≥60 years) groups.

Main Results:

  • In 546 general patients, hypertension (44.3%), dyslipidaemia (17.8%), and heart failure (15.2%) were most prevalent.
  • In 248 older patients, hypertension, dyslipidaemia, and heart failure were also the most common.
  • Lower prevalence of diabetes mellitus and Alzheimer's disease observed in Chagas megaoesophagus patients.

Conclusions:

  • Systemic arterial hypertension, dyslipidaemia, and heart failure are highly prevalent in this population.
  • The reduced incidence of diabetes mellitus and Alzheimer's disease suggests a connection to enteric nervous system denervation.
  • Further research is needed to explore the implications of enteric nervous system denervation in Chagas megaoesophagus.