ObjectiveThe AAP recommends that a follow-up skeletal survey be obtained for all children < 24 months of age who are strongly suspected to be victims of abuse. The objective of the current study was to evaluate the utility of a follow-up skeletal survey in suspected child physical abuse evaluations when the initial skeletal survey is normal.MethodsA retrospective review of radiology records from September 1, 1998 - January 31, 2007 was conducted. Suspected victims of child abuse who were < 24 months of age and received initial and follow-up skeletal surveys within 56 days were enrolled in the study. Children with a negative initial skeletal survey were included for further analysis.ResultsForty-seven children had a negative initial skeletal survey and were included for analysis. The mean age was 6.9 months (SD 5.7); the mean number of days between skeletal surveys was 18.7 (SD 10.1)Four children (8.5%) had signs of healing bone trauma on a follow-up skeletal survey. Three of these children (75%) had healing rib fractures and one child had a healing proximal humerus fracture. The findings on the follow-up skeletal survey yielded forensically important information in all 4 cases and strengthened the diagnosis of non-accidental trauma.Conclusion8.5 percent of children with negative initial skeletal surveys had forensically important findings on follow-up skeletal survey that increased the certainty of the diagnosis of non-accidental trauma. A follow-up skeletal survey can be useful even when the initial skeletal survey is negative.
This report is the first to document elevation of CTnI levels in cases of thoracic NAT. The elevation of the level of this specific biomarker may be indicative of sufficient chest trauma to result in the heart being injured, independent of the presence of cardiac decompensation or shock from other causes. Prospective evaluation of the forensic and clinical use of CTnI in this population is warranted.
Objective
To determine if troponin I is more often elevated in children with suspected nonaccidental trauma (NAT) compared with uninjured children of similar age, and describe associations between troponin I elevation and NAT injuries.
Study design
Prospective 2-group study of children less than 2 years of age presenting to the emergency department with nonaccidental abdominal, thoracic, or intracranial injuries, and similarly aged uninjured children. Primary outcome was serum troponin I (≥0.04 ng/mL) using frozen blood samples from the 2 groups. Secondary outcomes included descriptive analyses of age, injury characteristics, and clinical appearance.
Results
There were 129 subjects; 60 injured patients and 69 uninjured patients. Groups had similar age and sex. Troponin I was elevated in 38% of injured children compared with 17% of uninjured children (P = .008). No uninjured patient over 3 months of age had elevated troponin I. Abdominal trauma, acute rib fractures, or the child’s ill-appearance in the emergency department were associated with having elevated troponin I.
Conclusions
Troponin I is more often elevated in children with suspected NAT than uninjured children. Elevation of troponin I in children greater than 3 months of age with suspected NAT is concerning for trauma. Occult cardiac injury is more likely to occur in children with inflicted abdominal trauma, acute rib fractures, or ill appearance.
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