Narrowing of the pyloric lumen caused either by hypertrophy of the surrounding muscles or tissue scarring due to a chronic peptic ulcer.

Symptoms of Pyloric Stenosis

The following features are indicative of Pyloric Stenosis:
  • vomiting after feeding
  • persistent hunger
  • stomach contractions
  • weight loss
  • dehydration
  • constipation
It is possible that Pyloric Stenosis shows no physical symptoms and still is present in a patient.

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Common Causes of Pyloric Stenosis

The following are the most common causes of Pyloric Stenosis:
  • mutation in the motilin gene
  • environmental factors

Risk Factors for Pyloric Stenosis

The following factors may increase the likelihood of Pyloric Stenosis:
  • being male
  • Caucasians of Northern European ancestry
  • smoking during pregnancy
  • family history
  • premature birth
  • bottle feeding
  • early use of antibiotics in babies

Prevention of Pyloric Stenosis

No, it is not possible to prevent Pyloric Stenosis.
  • mutation in motilin gene

Occurrence of Pyloric Stenosis

Number of Cases

The following are the number of Pyloric Stenosis cases seen each year worldwide:
  • Rare between 10K - 50K cases

Common Age Group

Pyloric Stenosis most commonly occurs in the following age group:
  • Less than 1 year old

Common Gender

Pyloric Stenosis can occur in any gender.

Lab Tests and Procedures for Diagnosis of Pyloric Stenosis

The following lab tests and procedures are used to detect Pyloric Stenosis:
  • Blood test: To check for dehydration or electrolyte imbalance
  • Ultrasound: To confirm the diagnosis of pyloric stenosis
  • X-ray of baby's digestive system: To diagnose the disease

Complications of Pyloric Stenosis if untreated

Yes, Pyloric Stenosis causes complications if it is not treated. Below is the list of complications and problems that may arise if Pyloric Stenosis is left untreated:
  • failure to grow
  • stomach irritation
  • dehydration
  • jaundice

Procedures for Treatment of Pyloric Stenosis

The following procedures are used to treat Pyloric Stenosis:
  • Pyloromyotomy: To treat pyloric stenosis

Patient Support for Treatment of Pyloric Stenosis

The following actions may help Pyloric Stenosis patients:
  • Join online support groups: Provides information about disease

Last updated date

This page was last updated on 2/04/2019.
This page provides information for Pyloric Stenosis.

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