• Angela Lucas-Herald, Sandra Butler, Helen Mactier, Helen McDevitt, David Young, and Syed Faisal Ahmed.
• Section of Child Health, Royal Hospital for Sick Children, Yorkhill, Glasgow, United Kingdom.
• Pediatrics. 2012 Dec 1;130(6):1116-9.

ObjectivesThis study aimed to identify the prevalence and characteristics of rib fractures in ex-preterm infants.MethodsInfants born at <37 weeks' gestation and admitted before 2011 to 3 regional neonatal units were identified from admission registers. For 2 centers, these data were available from 2000 onward and, for another center, from 2005. Electronic records were searched to identify chest radiographs performed up to age 1 year. Chest radiograph reports were then reviewed for evidence of rib fractures, and the case notes of all affected individuals were scrutinized.ResultsOf the 3318 eligible preterm infants, 1446 had a total of 9386 chest radiographs. Of these infants, 26 (1.8%) were identified as having a total of 62 rib fractures. Their median (range) gestation at birth was 26 weeks (23-34). The median chronological age of these infants at the time of the radiograph was 14 weeks (5 weeks to 8 months). The median corrected gestational age at the time of the radiograph was 39 weeks (34 weeks to 4 months). Of the 62 fractures, 27 (36%) were sited posteriorly, and 15 (53%) of the infants with posterior rib fractures were diagnosed with osteopathy of prematurity. Classic risk including conjugated hyperbilirubinemia and diuretics, were present in 23 of 26 (88%) infants. A full skeletal survey was performed in 8 of 26 (31%). Investigations for nonaccidental injury occurred in 4 of 26 (15%) cases.ConclusionsEvidence of rib fractures is present in ~2% of ex-preterm infants. The evaluation of these fractures in infancy requires a detailed neonatal history irrespective of the site of rib fracture.

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