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J Perinatol. 2015 Feb;35(2):104-9. doi: 10.1038/jp.2014.169. Epub 2014 Sep 18.

Ultrasound to diagnose spontaneous intestinal perforation in infants weighing ⩽ 1000 g at birth.

Author information

1
1] USC Division of Neonatal Medicine, LAC+USC Medical Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA [2] Department of Pediatrics, LAC+USC Medical Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.
2
Department of Radiology, LAC+USC Medical Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.

Abstract

OBJECTIVE:

To evaluate the usefulness of abdominal ultrasound in infants with gasless abdomen radiographically suspected to have spontaneous intestinal perforation (SIP).

STUDY DESIGN:

This was a retrospective analysis of data from our neonatal database including infants with birth weight ⩽ 1000 g with suspicion of SIP, for the period January 2000 to May 2012.

RESULT:

Four hundred and ninety-six infants weighing ⩽ 1000 g were identified. There were 68 infants with suspicion for SIP, 11 with pneumoperitoneum and 57 with gasless abdomen on X-rays. Ultrasound was performed in 55 of 57 infants with gasless abdomen, 10 with SIP and 45 nonperforated. Echogenic free fluid (EFF) was present in 70% of patients with SIP and 11% of nonperforated patients (P<0.001). When performed within 2 days of surgical diagnosis, EFF had 100% sensitivity and 89% specificity, with 58% positive predictive value and 100% negative predictive value.

CONCLUSION:

These data suggest that abdominal ultrasound may be useful for the diagnosis of SIP in infants with birth weight ⩽ 1000 g presenting with gasless abdomen.

PMID:
25233194
DOI:
10.1038/jp.2014.169
[Indexed for MEDLINE]

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