Sutures and Wound Repair/ General Surgery (ABSA) Practice Test

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What is the surgical procedure to correct congenital hypertrophied pyloric sphincter in infants called?

Pyloromyotomy
Appendectomy
Cholecystectomy
Duodenotomy

The correct answer is: Pyloromyotomy

The surgical procedure used to correct congenital hypertrophied pyloric sphincter in infants is known as pyloromyotomy. This condition, commonly referred to as hypertrophic pyloric stenosis, occurs when the pylorus (the opening from the stomach into the small intestine) becomes abnormally thickened, obstructing the passage of food. During a pyloromyotomy, the surgeon makes an incision in the muscle of the pylorus, allowing it to relax and open correctly. This procedure effectively relieves the obstruction, enabling proper passage of food from the stomach into the intestine, thereby addressing the symptoms of the condition, which can include projectile vomiting and dehydration in affected infants. Other procedures mentioned do not relate to the treatment of pyloric stenosis. For example, an appendectomy is the surgical removal of the appendix, cholecystectomy involves the removal of the gallbladder, and duodenotomy refers to an incision into the duodenum. Each of these surgeries addresses different conditions and is not applicable for treating hypertrophic pyloric stenosis. Therefore, pyloromyotomy is the specific and correct surgical intervention for this congenital issue.