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Updated: Jul 7, 2026

Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale
Published on: August 25, 2014
Shaken baby syndrome
1Mercy Anderson Hospital, Cincinnati, Ohio 45255, USA. Laltimier@cinci.rr.com
Insights
Non-accidental head trauma, or abusive head injury, is a leading cause of infant death. Key indicators include retinal and brain hemorrhages, even with minimal external signs.
Area of Science:
- Pediatrics
- Forensic Pathology
- Neurology
Background:
- Non-accidental head trauma is the primary cause of injury-related infant mortality.
- Abusive head injuries are a significant cause of severe and fatal injuries in children.
- These injuries result from impact, shaking, or combined mechanisms causing acceleration/deceleration forces.
Purpose of the Study:
- To highlight the critical indicators of abusive head trauma in infants.
- To underscore the mechanisms leading to severe brain injury in shaken baby syndrome.
- To inform clinicians about the diagnostic triad suggestive of non-accidental head injury.
Main Methods:
- Clinical feature analysis of infant head trauma cases.
- Review of diagnostic criteria for abusive head injuries.
- Pathophysiological examination of acceleration/deceleration brain injury.
Main Results:
- The triad of retinal hemorrhage, subdural, and/or subarachnoid hemorrhage suggests head trauma.
- Infants may present with minimal external signs of trauma despite severe internal injuries.
- Acceleration/deceleration movements cause inertial brain movement within the cranial compartment.
Conclusions:
- Early recognition of the diagnostic triad is crucial for identifying abusive head trauma.
- Understanding the biomechanics of shaking and impact is essential for diagnosis.
- Abusive head trauma requires prompt medical and legal intervention to prevent mortality.
Abstract:
Non-accidental head trauma in infants is the leading cause of infant death from injury. Clinical features that suggest head trauma (also known as shaken baby syndrome or shaken impact syndrome) include the triad consisting of retinal hemorrhage, subdural, and/or subarachnoid hemorrhage in an infant with little signs of external trauma. Abusive head injuries are among the most common causes of serious and lethal injuries in children. These injuries may result from impact or shaking or a combination of these mechanisms. These mechanisms cause the child's head to undergo acceleration/ deceleration movements, which may create inertial movement of the brain within the cranial compartment.
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