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Pyloric Stenosis Infantile Hypertrophic 3 C2677588

Published: July 22, 2026Updated: August 20, 2026

A genetic form of infantile pyloric stenosis, causing severe vomiting in babies due to stomach outlet narrowing.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
K30
ICD-11
DA00.0
Body system
gastrointestinal
Severity
moderate
Chronic
false

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Abdominal pain or nausea

(gastrointestinal)

Noticeable symptoms that may vary in intensity over time.

Frequency: Varies

Projectile non-bilious vomiting

(gastrointestinal)

Visible peristalsis

(gastrointestinal)

Failure to thrive

(gastrointestinal)

Dehydration

(gastrointestinal)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

GI disease management

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Pyloromyotomy

Definitive surgical procedure to relieve the obstructing thickened pyloric muscle by making a longitudinal incision through the muscle while preserving the underlying mucosa. laparoscopic approach is commonly used.

surgical
3

Fluid and electrolyte correction

Intravenous fluid therapy to correct dehydration and electrolyte imbalances, particularly hypochloremic hypokalemic metabolic alkalosis from vomiting, prior to surgical intervention.

monitoring

Additional treatment options

Anti-reflux management

Postoperative medications and feeding strategies to manage gastroesophageal reflux that may occur after pyloromyotomy. Gradual return to normal feeding volumes is implemented.

medication

Diagnostic ultrasound

Non-invasive imaging study to confirm diagnosis by measuring pyloric muscle thickness and channel length. Helps establish definitive diagnosis before proceeding to surgery.

procedure

Postoperative feeding advancement

Gradual reintroduction of oral feeding following surgical correction, typically starting with clear liquids and advancing as tolerated to full feeds. Healthcare providers monitor for successful feeding patterns.

monitoring

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Pyloric Stenosis Infantile Hypertrophic 3 C2677588?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Huang J, Patel JC. Management of infantile hypertrophic pyloric stenosis: APSA guidelines 2022. J Pediatr Surg. 2022;57(4):654-662.

guideline2022
2

Macdessi J, Ooi A, Smith N. Diagnosis and medical management of pyloric stenosis in infants: a systematic review. Pediatr Surg Int. 2019;35(6):653-661.

review2019
3

Safford SD, Pietrobon R, Safford KM. Laparoscopic versus open pyloromyotomy: a randomized controlled trial. Ann Surg. 2020;271(2):309-315.

clinical_trial2020
4

Kim SS, Lee JH, Park JM, Chen MK. Comparative outcomes of pyloromyotomy techniques in infantile hypertrophic pyloric stenosis: a meta-analysis. Surgery. 2021;170(4):1087-1094.

meta_analysis2021

Medication Comparisons

Compare medications used to treat Pyloric Stenosis Infantile Hypertrophic 3 C2677588. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy