A to Z: Pyloric Stenosis
May also be called: Infantile Hypertrophic Pyloric Stenosis
Pyloric stenosis (say: py-lore-ic stin-o-sis) is a narrowing of the pylorus, the lower part of the stomach through which food and other stomach contents pass to enter the small intestine.
More to Know
Pyloric stenosis is a condition that happens during infancy, and most infants who develop symptoms of pyloric stenosis are usually between 3 to 5 weeks. When an infant has pyloric stenosis, food is blocked from emptying out of the stomach.
Pyloric stenosis can cause a baby to vomit forcefully and often, and may cause other problems like dehydration and salt and fluid imbalances.
Keep in Mind
Immediate treatment for pyloric stenosis is extremely important. A surgical procedure called pyloromyotomy is performed to relieve the blockage. Most babies who have undergone pyloromyotomy can return to a normal feeding schedule and be sent home within 24 to 48 hours of the surgery.
All A to Z dictionary entries are regularly reviewed by KidsHealth medical experts.
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Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor.
© 1995-2009 The Nemours Foundation. All rights reserved.
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