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Hinged Lids and Fatal Head Entrapment in Early Childhood
1From the *Forensic Science SA and †Discipline of Anatomy and Pathology, The University of Adelaide, Adelaide, South Australia; and ‡Hunter New England Health, Newcastle, New South Wales, Australia.
Insights
Young children face head entrapment risks due to hinged lids. Two rare cases highlight fatal neck compression in toddlers, emphasizing the need for awareness and autopsy comparisons.
Area of Science:
- Pediatrics
- Forensic Pathology
- Consumer Product Safety
Background:
- Young children lack the cognitive and physical abilities to recognize or escape dangerous situations.
- Head entrapment is a rare but lethal risk for toddlers, particularly with household objects.
- Hinged lids on items like toilet seats and cribs pose a specific, underrecognized hazard.
Abstract:
Young children are at risk of head entrapment because they often do not understand potentially dangerous situations or have the intellectual or physical capabilities to self-extricate. Two cases of head entrapment due to hinged lids are presented to demonstrate another rare lethal situation specific to the very young. Case 1 was a 14-month-old boy found suspended by his neck in a semikneeling position under a toilet seat. A horizontal linear bruise measuring 0.6 × 20 mm was present on the right side of the neck with petechial hemorrhages of the forehead. Death was due to neck compression from head entrapment with aspiration of gastric contents. Case 2 was a 17-month-old girl found suspended by her neck from the side of her crib by a hinged cover. A horizontal linear bruise measuring 10 × 50 mm was present immediately below the suprasternal notch with numerous petechial hemorrhages of the conjunctivae and face. Death was due to neck compression from head entrapment. Although these cases are very rare, they do show the potential danger that hinged lids may present to toddlers. Autopsy evaluations require comparisons of injuries with the structure and edges of the entrapping device/object.

