How common is pyloric stenosis in babies?

Pyloric stenosis affects 3 out of every 1,000 babies born. It’s the most frequent condition requiring surgery in infants.

How often do babies vomit with pyloric stenosis?

While occasional dribbles of spit-up after meals is common in infants and usually harmless, true vomiting is more concerning. In some babies, frequent projectile vomiting can be a symptom of a condition called hypertrophic pyloric stenosis (HPS); it occurs in 1 out of every 500 or so babies.

Are babies with pyloric stenosis fussy?

A baby with pyloric stenosis may: Vomit soon after a feeding. Have a full, swollen upper belly after a feeding. Act fussy and hungry a lot of the time.

When do pyloric stenosis symptoms start?

Pyloric stenosis is a problem that causes forceful vomiting. It affects babies from birth to 6 months of age. Symptoms usually start around 3 to 5 weeks of age.

How soon after eating do babies with pyloric stenosis vomit?

Symptoms start when babies are around 2 to 8 weeks old. Infants with pyloric stenosis may eat well but have these symptoms: Frequent projectile vomiting (forceful vomiting), usually within a half hour to an hour after eating. Abdominal (belly) pain.

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Can babies with pyloric stenosis still gain weight?

Changes in bowel movements. Since pyloric stenosis prevents food from reaching the intestines, babies with this condition might be constipated. Weight problems. Pyloric stenosis can keep a baby from gaining weight, and sometimes can cause weight loss.

Is pyloric stenosis an emergency?

Emergency Department Care

Infantile hypertrophic pyloric stenosis (IHPS) may be described as a medical emergency or a medical urgency based on how early in the course the patient presents.

Is pyloric stenosis a birth defect?

Pyloric stenosis is a birth defect. This means that your child is born with it. This condition may run in some families.

Is pyloric stenosis fatal?

Death from infantile hypertrophic pyloric stenosis is rare and unexpected. The reported mortality rate is very low and usually results from delays in diagnosis with eventual dehydration and shock.

What happens if pyloric stenosis goes untreated?

If left untreated, hypertrophic pyloric stenosis can cause: Dehydration. Electrolyte imbalance. Lethargy.

Is pyloric stenosis life threatening?

Discussion. This is a case re-affirming that infantile hypertrophic pyloric stenosis (IHPS) can present with severe electrolyte abnormalities and can be a medical emergency as seen in this patient.

Can pyloric stenosis go away on its own?

Pyloric stenosis needs to be treated. It won’t improve on its own. Your child will need surgery called pyloromyotomy. During this surgery, which can be done laparoscopically, a surgeon will cut through part of the thickened muscle in order to restore a pathway for food and liquid to pass through.