Vai trò của siêu âm trong chẩn đoán tắc tràng bẩm sinh ở trẻ sơ sinh

Abstract

This study aims to describe the characteristics of congenital duodenal obstruction imaging and the  role of ultrasound in  diagnosing causes of congenital duodenal obstruction in neonates. The prospective study was conducted on neonates with clinical suspicion of duodenal obtruction at Viet Duc Hospital from April 2017 to May 2020. The patients underwent abdominal ultrasound, then were operated and diagnosed with congenital duodenal obtruction. The imaging of abdominal ultrasound was described and compared with the results of surgery. The sensitivity, specificity, positive and negative predictive values of abdominal ultrasound for diagnosing congenital duodenal obstruction were calculated. Both the “double bubble sign” and the transition sign had a high sensitivity of 86.7%, but had a low specificity of 25%. The increasing peristalsis sign had relatively low sensitivity and specificity, at 53.3% and 40%, respectively. The sensitivity, specificity, positive predictive value, negative predictive value, and accuracy of ultrasound in the diagnosis of congenital duodenal obstruction in neonates were 86.7%, 60%, 86.7%, 60%, 80%, respectively.