Pyloromyotomy

The procedure is typically performed in cases of "hypertrophic pyloric stenosis" in young children.

However, the procedure was truly performed about 17 months earlier by Sir Harold Stiles  in 1910 at the Royal Hospital for sick children.

[4] After pyloric stenosis is identified in a patient, and any electrolyte and fluid imbalances are stabilized, the surgeon will perform the procedure.

From there, the two portions of the pyloric muscle are tested for mobility and the mucosal layer is inspected for any unintentional damage.

Depending on the approach, the pylorus, stomach, and gastrointestinal tract are returned to their appropriate place in the abdominal cavity and the medical equipment is removed.

Finally, each of the surgical incisions are stitched closed and the patient is taken back to post-operative area for monitoring.

Finally, the stomach and pylorus are carefully placed back into the abdominal cavity and the various tissue layers are repaired with stitches.

[5][4][1] This causes the contents of the stomach to be unable to empty leading to pain after eating, electrolyte abnormalities, and projectile vomiting among other clinical signs and symptoms.

[3] The most common complications include incomplete pyloromyotomy, perforation of the mucosa, and infection of the surgical site.