Pyloric stenosis

Uncommon card · No. 165610

Pyloric stenosis is a narrowing of the opening from the stomach to the first part of the small intestine (the pylorus). Symptoms include projectile vomiting without the presence of bile. This most often occurs after the baby is fed. The typical age that symptoms become obvious is two to twelve weeks old. The cause of pyloric stenosis is unclear. Risk factors in babies include birth by cesarean section, preterm birth, bottle feeding, and being firstborn. The diagnosis may be made by feeling an olive-shaped mass in the baby's abdomen. This is often confirmed with ultrasound. Treatment initially begins by correcting dehydration and electrolyte problems. This is then typically followed by surgery, although some treat the condition without surgery by using atropine. Results are generally good in both the short term and the long term. About one to two per 1,000 babies are affected, and males are affected about four times more often than females. The condition is very rare in adults. The first...

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