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Pediatric hanging and strangulation: is vascular injury a true risk?



Acute screening of pediatric strangulation and hanging injuries has evolved at many institutions to include cervical arterial vascular imaging. As current standards in pediatric imaging support less radiation exposure and increased imaging appropriateness, it is questionable whether vascular arterial injury is a true risk in this population.


To determine the role of cervical vascular arterial imaging in the evaluation of pediatric hanging and strangulation injuries.

Materials and methods

This is a retrospective study of patients who present at a Level 1 pediatric trauma center with a history of hanging and strangulation injuries. All relevant studies, including computed tomography (CT) angiography of the neck, contrast-enhanced neck CT, cervical magnetic resonance (MR) angiography, magnetic resonance imaging (MRI) and/or CT of the brain and cervical spine and associated clinical records, were reviewed.


Sixty-six patients were identified, 60 with vascular arterial imaging studies. No vascular injury was identified. Soft-tissue injury was noted in 20/66 (30%) patients and craniocervical injury was suspected in 2/66 (3%), but no cervical spine fracture was identified. Only 49 patients had brain imaging, with 7/49 (14%) demonstrating changes consistent with cerebral edema, which correlated negatively with survival (P<0.01).


Vascular arterial imaging, particularly with CT angiography, performed in the pediatric population after hanging and strangulation injury resulted in no positive studies for cervical arterial injury. This study supports the need to reevaluate routine screening CT angiography in this study population.

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Correspondence to Beth M. Kline-Fath.

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Kline-Fath, B.M., Seman, J.M., Zhang, B. et al. Pediatric hanging and strangulation: is vascular injury a true risk?. Pediatr Radiol 51, 1889–1894 (2021).

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  • Artery
  • Children
  • Computed tomography angiography
  • Dissection
  • Hanging
  • Injury
  • Strangulation