Cheema H A.
Utility of Endoscopy in Infantile Hypertrophic Pyloric Stenosis.
J Pak Med Assoc Jan ;53(10):482-3.

Over a one year period (March 2001 to February 2002), 10 infants with protracted vomiting and suspicion of HPS were referred to the Pediatric Gastroenterology Hepatology department of the Children`s Hospital, Lahore. On endoscopy, 8 of these infants were confirmed to have HPS. There were 7 males and one female. These infants started to have non-bilious vomiting from age 1-1/2 - 3 weeks (mean 2.6 weeks). Mean age at diagnostic confirmation by endoscopy and pyloromyotomy was 6.8 weeks (range 6-8 weeks). Two of 8 infants had palpable pyloric tumors although there was observer disagreement in 2 patients whether the tumor was palpable or not. All 8 patients had pyloromyotomy on day of endoscopy after correction of metabolic derangements and stopped vomiting within 24 hours of operation. No complications were observed either from endoscopy or pyloromyotomy operations. Apart from these 8 patients, two further patients who had normal endoscopic findings in pyloric area, were treated medically, one for cow milk allergy and the other for reflux esophagitis and they both responded to medical management and stopped vomiting.

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