Pyloroplasty—AdultEn Español (Spanish Version)
Pyloroplasty is a surgery to correct a narrowing of the pyloric sphincter. The pylorus is a muscular area that forms a channel between the stomach and intestine. Normally, food passes easily from the stomach into the intestine through this sphincter.
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The pylorus sphincter can become narrowed, usually from an enlargerment of the muscle. The condition is called
. It can cause severe symptoms such as nausea, vomiting, and
. Narrowing of the pylorus can be the result of scarring from ulcers, a hiatal hernia, a mass, such as cancer, or inflammatory diseases.
Pyloric stenosis may be a serious condition. Pyloroplasty is often necessary to treat it.
Problems from the procedure are rare, but all procedures have some risk. Your doctor will review potential problems, like:
- Damage to intestines
- Hernia formation at the incision site
Before your procedure, talk to your doctor about ways to manage factors that may increase your risk of complications, such as:
- Do not eat or drink anything after midnight.
- Your doctor may order a laxative. This will help you clean out your intestines.
- If you have diabetes, discuss your medications with your doctor.
Talk to your doctor about your medications. You may be asked to stop taking some medications up to one week before the procedure, like:
An incision will be made in the upper part of your abdomen. The pylorus will be exposed. Your doctor will cut through the pyloric muscle. The sphincter will be sewn back together in a way that will make the opening wider. The abdominal muscles will be sewn back together. The skin will be closed with stitches or staples.
If your pyloroplasty is done because you have an ulcer, other procedures may be done at the same time.
After the surgery, you will be monitored in a recovery area for about 1-2 hours.
About 1-2 hours
Anesthesia will prevent pain during surgery. Pain and discomfort after the procedure can be managed with medications.
The usual length of stay is 1-3 days. Your doctor may choose to keep you longer if complications arise.
You will gradually return to a normal diet.
Before you go home, a nurse will teach you how to take
care of your surgical incision.
During your stay, the hospital staff will take steps to reduce your chance of infection, such as:
- Washing their hands
- Wearing gloves or masks
- Keeping your incisions covered
There are also steps you can take to reduce your chance of infection, such as:
- Washing your hands often and reminding visitors and healthcare providers to do the same
- Reminding your healthcare providers to wear gloves or masks
- Not allowing others to touch your incision
Call your doctor if any of these occur:
- Signs of infection, including fever and chills
- Redness, swelling, increasing pain, excessive bleeding or any discharge from the incision site
- Persistent nausea and/or vomiting
- Pain that you cannot control with the medications you were given
- Cough, shortness of breath, or chest pain
- Severe abdominal pain or vomiting blood
- Dark-colored, tarry stools or blood in the stool
If you think you have an emergency, call for medical help right away.
American Academy of Family Physicians
American Gastroenterological Association
Canadian Association of Gastroenterology
Dimitrios M, et al. Laparoscopic Pyloroplasty in Idiopathic Hypertrophic Pyloric Stenosis in an Adult. JSLS. 2000 Apr-Jun; 4(2): 173–175.
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Last Reviewed November 2012