An overview of infantile hypertrophic pyloric stenosis

Nathan Askew1

  • 1Great Ormond Street Hospital, London.

Paediatric Nursing
|November 12, 2010
PubMed

Insights

Hypertrophic pyloric stenosis (HPS) in infants is well-studied, with successful treatments but an unknown cause. This review examines current knowledge on HPS etiology and management.

Area of Science:

  • Pediatric Surgery
  • Gastroenterology
  • Medical Research

Background:

  • Hypertrophic pyloric stenosis (HPS) is a common condition in pediatric general surgery.
  • While diagnosis and treatment have advanced significantly, leading to high success rates, the underlying cause remains unclear.
  • Existing literature provides a foundation for understanding HPS, but gaps in etiological knowledge persist.

Purpose of the Study:

  • To review the current literature on the causes (etiology) of hypertrophic pyloric stenosis (HPS).
  • To summarize the established management strategies for HPS in pediatric patients.
  • To identify areas where further research is needed regarding HPS.

Main Methods:

  • Comprehensive literature search of medical databases.
  • Review and synthesis of existing studies on HPS etiology and management.
  • Analysis of diagnostic and treatment outcomes reported in the literature.

Main Results:

  • Diagnosis, treatment, and prognosis of HPS have seen substantial improvements.
  • Current treatment success rates for HPS approach 100%.
  • The precise cause of hypertrophic pyloric stenosis is not yet well-understood.

Conclusions:

  • Effective management protocols for HPS are well-established.
  • Further research is crucial to elucidate the etiology of HPS.
  • Understanding the cause of HPS may lead to preventative strategies or even more targeted treatments.

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...
Gastritis II: Pathophysiology01:26

Gastritis II: Pathophysiology

The pathophysiology of gastritis begins with the colonization of the stomach lining by Helicobacter pylori (H. pylori). This bacterium spreads mainly via the oral-oral route through saliva or shared utensils, and can also be transmitted in overcrowded or unhygienic environments through contaminated water, despite its brief survival outside the body.ColonizationOnce ingested, H. pylori enters the stomach and begins colonization by navigating through the mucus layer lining the stomach wall. It...
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...
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...
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...
Peptic Ulcer Disease I: Introduction01:25

Peptic Ulcer Disease I: Introduction

Peptic ulcer disease (PUD) involves breaks in the gastrointestinal tract's mucosal lining, primarily in the stomach and duodenum, with less frequent occurrences in the lower esophagus or near the pylorus.Ulcers can be acute or chronic. Acute ulcers are short-lived with minimal inflammation and heal quickly after the irritant is removed. Chronic ulcers persist, may recur, and often cause scarring due to ongoing tissue damage. Superficial erosions affect only the mucosal layer and are called...