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Return of the surgeon in the diagnosis of pyloric stenosis.
Journal of Pediatric Surgery 2009 June
BACKGROUND: The diagnosis of pyloric stenosis (PS) by physical examination is a lost art that has been replaced by radiology-performed ultrasound (US). The purpose of this study is to demonstrate that the diagnosis of PS can be made solely upon the surgeons US evaluation.
METHODS: Surgical ultrasonographers included 2 senior general surgery residents and 2 pediatric surgery residents without prior formal US experience. These surgeons underwent proctored training in the use of US for PS. Measurements including channel length and muscle thickness were recorded at bedside. A positive examination included muscle thickness more than 4 mm and channel length more than 16 mm. Patients with positive results underwent pyloromyotomy. Negative results were confirmed with a repeat US through the radiology department, and infants without PS were subsequently referred for appropriate medical management.
RESULTS: Thirty-two consecutive patients with suspected PS were evaluated using surgeon-performed ultrasonography. All examinations were diagnostically accurate. There were no false-positive or false-negative result. Seven patients (22%) were correctly determined to be negative for PS. The remaining 25 infants underwent successful pyloromyotomy with resolution of symptoms.
CONCLUSION: Surgeons who have undergone focused training to perform US for PS can diagnose the condition without confirmatory testing by a radiologist.
METHODS: Surgical ultrasonographers included 2 senior general surgery residents and 2 pediatric surgery residents without prior formal US experience. These surgeons underwent proctored training in the use of US for PS. Measurements including channel length and muscle thickness were recorded at bedside. A positive examination included muscle thickness more than 4 mm and channel length more than 16 mm. Patients with positive results underwent pyloromyotomy. Negative results were confirmed with a repeat US through the radiology department, and infants without PS were subsequently referred for appropriate medical management.
RESULTS: Thirty-two consecutive patients with suspected PS were evaluated using surgeon-performed ultrasonography. All examinations were diagnostically accurate. There were no false-positive or false-negative result. Seven patients (22%) were correctly determined to be negative for PS. The remaining 25 infants underwent successful pyloromyotomy with resolution of symptoms.
CONCLUSION: Surgeons who have undergone focused training to perform US for PS can diagnose the condition without confirmatory testing by a radiologist.
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