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Related Concept Videos

Pyloric Obstruction01:11

Pyloric Obstruction

Pyloric obstruction, also referred to as gastric outlet obstruction, is a condition characterized by narrowing or blockage at the pylorus—the muscular valve regulating the flow of stomach contents into the duodenum. When this passage becomes impaired, the stomach cannot effectively empty its contents into the small intestine. This disruption leads to a range of gastrointestinal symptoms, including early satiety, bloating, epigastric pain, postprandial nausea, persistent vomiting, and...
Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies01:28

Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies

Peptic ulcer disease (PUD) presents with diverse symptoms depending on the location and severity of the ulcer. Clinical manifestations of peptic ulcer include dull pain and a burning sensation in the mid-epigastric region.
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.
Esophageal Strictures-II: Clinical Features and Management01:26

Esophageal Strictures-II: Clinical Features and Management

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...
Peptic Ulcer Disease V: Surgical Management and Nursing Care01:25

Peptic Ulcer Disease V: Surgical Management and Nursing Care

Surgical management and nursing care are crucial in treating Peptic Ulcer Disease (PUD). Here is an organized and enhanced overview of the surgical interventions and the associated nursing care for PUD:
Surgical Interventions for Peptic Ulcer Disease
Peptic Ulcer01:27

Peptic Ulcer

Peptic ulcers are erosive lesions of the gastric or duodenal lining, most commonly caused by Helicobacter pylori infection. This Gram-negative, helical bacterium has adapted to survive the stomach’s acidic environment by producing urease, which converts urea into ammonia and carbon dioxide. The ammonia neutralizes gastric acid in the bacterium’s immediate environment, allowing colonization of the gastric mucosa. H. pylori attaches to mucus-secreting epithelial cells, penetrates the mucus...
Esophageal Strictures-I: Introduction01:30

Esophageal Strictures-I: Introduction

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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Related Experiment Video

Updated: Jun 20, 2026

Establishment and Evaluation of a Risk Prediction Model for Pathological Escalation of Gastric Low-Grade Intraepithelial Neoplasia
03:05

Establishment and Evaluation of a Risk Prediction Model for Pathological Escalation of Gastric Low-Grade Intraepithelial Neoplasia

Published on: February 16, 2024

Early pyloric stenosis: a case control study.

Marie Demian1, Son Nguyen, Sherif Emil

  • 1Division of Pediatric Surgery, Miller Children's Hospital, Long Beach, California & University of California, Irvine School of Medicine, Orange, CA, USA.

Pediatric Surgery International
|August 22, 2009
PubMed
Summary
This summary is machine-generated.

Early pyloric stenosis (EPS) in infants is linked to breast feeding and family history. EPS infants have smaller pyloric measurements, potentially delaying diagnosis and treatment, necessitating age-specific sonographic criteria for improved outcomes.

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Last Updated: Jun 20, 2026

Establishment and Evaluation of a Risk Prediction Model for Pathological Escalation of Gastric Low-Grade Intraepithelial Neoplasia
03:05

Establishment and Evaluation of a Risk Prediction Model for Pathological Escalation of Gastric Low-Grade Intraepithelial Neoplasia

Published on: February 16, 2024

Area of Science:

  • Pediatric Surgery
  • Neonatal Medicine
  • Diagnostic Imaging

Background:

  • Pyloric stenosis (PS) is uncommon in the first two weeks of life, often leading to diagnostic and treatment delays.
  • Early presentation of PS (EPS) requires specific characterization to improve patient outcomes.

Purpose of the Study:

  • To delineate the characteristics of infants with early pyloric stenosis (EPS).
  • To test the hypothesis that EPS patients have smaller pyloric dimensions compared to older patients.
  • To identify factors associated with EPS and its impact on hospital stay.

Main Methods:

  • A case-control study was conducted using a 5-year database of PS patients.
  • EPS patients (admitted 2-14 days) were matched with controls (admitted >4 weeks) by gender, electrolyte status, and surgeon.
  • A pediatric radiologist retrospectively reviewed ultrasounds, comparing demographic, clinical, diagnostic, therapeutic, and outcome data.

Main Results:

  • Sixteen patients (5.8%) presented with EPS.
  • EPS patients showed a higher prevalence of positive family history (31% vs. 0%) and breast milk feeding (75% vs. 31%).
  • Sonography revealed significantly shorter pyloric length (17.1 vs. 20.5 mm) and muscle thickness (3.5 vs. 4.9 mm) in EPS patients.

Conclusions:

  • Infants with EPS are more likely to be breastfed and have a positive family history.
  • EPS is associated with a longer hospital stay.
  • Implementing age-specific sonographic measurements can prevent diagnostic delays and improve outcomes for EPS.