Abdominal ultrasound findings contribute to a multivariable
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Abdominal ultrasound (AUS) is a promising adjunct to abdominal x-ray (AXR) for evaluating necrotizing enterocolitis (NEC). Researchers developed a multivariable risk score incorporating AUS to predict surgical NEC. This new multivariable risk score has excellent discrimination for surgical NEC.

83 patients were evaluated by AXR and AUS for suspected NEC. A subset had surgical NEC. Multivariate logistic regression determined predictors of surgical NEC, which were incorporated into a risk score.

--14/83 patients had surgical NEC. 10/83 patients required acute intervention, while 4/83 patients only required delayed surgery.

--Four predictors of surgical NEC were identified: abdominal wall erythema, portal venous gas on AXR, and echogenic free fluid and bowel wall thickening on AUS.

--A multivariable risk score incorporating these predictors had an excellent area-under-the-curve of 0.937.

In particular, AUS, as an adjunct to physical exams and AXR, has utility for predicting surgical NEC.

American Journal of Surgery
Source: https://doi.org/10.1016/j.amjsurg.2021.04.025
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