Could clinical scores guide the surgical treatment of necrotizing enterocolitis?
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- Ibáñez, V., Couselo, M., Marijuán, V. et al. Pediatr Surg Int (2012) 28: 271. doi:10.1007/s00383-011-3016-z
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Test the diagnostic reliability of the score for neonatal acute physiology-perinatal extension-II (SNAPPE-II) and the metabolic derangement acuity score (MDAS) as predictors of surgery in patients with necrotizing enterocolitis (NEC).
The SNAPPE-II and the MDAS were applied to 99 patients with NEC. Both the scores were calculated at the moment of diagnosis (T0) and when surgical assessment was required (T1). The main outcome was the need of surgical revision. Comparison between models was made through their receiver operator characteristics (ROC) curves.
Thirty-five patients required surgical treatment (group A) and 64 responded to medical therapy (group B). Median SNAPPE-II was 22 versus 5 for group A (U test 621, p = 0.002) at T0; and 22 versus 10 for group A (U test 487, p = 0.01) at T1. Measuring the value of the SNAPPE-II as a predictor of surgery, the ROC curve was 0.69 (CI 95%, 0.57–0.80) at T0 and 0.67 (CI 95%, 0.55–0.80) at T1. Median MDAS were 2 for both groups A and B at T0 (U test 890.5, p = 0.113) and 2 versus 1.5 for group A at T1 (U test 570, p = 0.043). The ROC curve for MDAS was 0.59 (CI 95%, 0.47–0.71) at T0 and 0.64 (CI 95%, 0.52–0.77) at T1.
The diagnostic performance of the SNAPPE-II offers mild results in the moment of the diagnosis of NEC, and at T1. The MDAS is non significant at T0 and obtains moderate results at T1. These results do not encourage using the SNAPPE-II and the MDAS as definite tools to decide for surgical treatment of the patients affected by NEC.