(Pyloric Stenosis Repair; Pyloromyotomy)
Pronounced: py-LOR-oh-plah-stee, py-LOR-ik stuh-NOH-sis, py-LOR-oh-MY-ah-ta-me
by Daus Mahnke, MD
The pylorus is the opening between the stomach and the intestines. A pyloroplasty is a surgery to make the pylorus opening wider.
Reasons for Procedure TOP
The pylorus opens and closes to allow food to pass to the intestines. Certain conditions can make this area thicker. This can make it difficult for food to pass. The condition is called pyloric stenosis. It can cause severe symptoms, such as nausea, vomiting, and dehydration.
Pyloroplasty is done to widen the opening. It can treat this condition.
Possible Complications TOP
Problems from the procedure are rare, but all procedures have some risk. Your child's doctor will review potential problems, like:
Before the procedure, talk to your child's doctor about factors that may increase the risk of complications, such as:
What to Expect TOP
Prior to Procedure
Make sure your child does not eat or drink anything before the surgery. Follow the specific directions given by your doctor.
General anesthesia will be used. Your child will be asleep.
Description of Procedure TOP
The anesthesia will be given. When your child is asleep, several small incisions will be made in the abdomen. Surgical tools will be inserted through these instruments. A cut will be made in the muscle of the pylorus. The pylorus will then be sewn back together in a wider shape.
The abdominal muscles will be sewn back together. The incisions will be closed with stitches or staples.
This procedure may also be done as an open procedure, which would use a larger incision.
Immediately After Procedure TOP
After the surgery, your child will be monitored for about 1-2 hours.
How Long Will It Take? TOP
The surgery will take about 1-2 hours.
How Much Will It Hurt? TOP
Anesthesia prevents pain during surgery. Your child will be given medication to relieve pain or soreness during recovery.
Average Hospital Stay TOP
The usual length of stay is 1-3 days. The doctor may choose to keep your child longer if there are complications.
Post-procedure Care TOP
At the Hospital
A normal diet will be gradually introduced during the hospital stay. Before your child goes home, you will be taught how to take care of the surgical incision.
During your child's stay, the hospital staff will also take steps to reduce the chance of infection, such as:
There are also steps you can take to reduce your child's chance of infection, such as:
Call Your Doctor TOP
Contact your child's doctor if your child's recovery is not progressing as expected or your child develops complications such as:
If you think you have an emergency, call for emergency medical services right away.
American Gastroenterological Association
Family Doctor—American Academy of Family Physicians
Canadian Medical Association Journal
Pyloroplasty. Florida Hospital website. Available at: https://www.floridahospital.com/pyloroplasty. Accessed December 21, 2015.
Last reviewed December 2015 by Kari Kassir, MD
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