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Alternative NamesPyloromyotomy; Pyloric stenosis repair
Definition Return to top
Pyloroplasty is surgery to widen the opening in the lower part of the stomach (pylorus) so that the stomach contents can empty into the small intestine (duodenum).
See: Pyloric stenosis
Description Return to top
The surgery is done while you are under general anesthesia (asleep and pain-free). The surgeon makes a cut around the belly button or in the upper right part of the belly. If the surgery is done laparoscopically, three smaller cuts are used.
The surgery involves cutting through some of the thickened muscle to relieve the narrowing (stenosis). The cut through the muscle is then closed horizontally to keep the pylorus open and allow the stomach to empty.
Why the Procedure is Performed Return to top
Pyloric stenosis is caused by increased thickness of the pylorus muscle. It is usually found in young children.
Pyloroplasty is the only effective treatment for pyloric stenosis. It may also be used to treat certain patients with peptic ulcers or other types of gastric disease that cause a blockage of the stomach opening.
Risks Return to top
Risks of anesthesia include the following:
Risks specific to this procedure:
After the Procedure Return to top
Most patients make a complete and quick recovery.
Outlook (Prognosis) Return to top
After surgery, the health care team will monitor your breathing, blood pressure, temperature, and heart rate. Most patients can go home within 24 hours.Update Date: 10/20/2008 Updated by: Christine Lee, MD, Department of Surgery, Marin General Hospital, Greenbrae, CA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.