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Published on: January 20, 2023
Abusive head trauma in Japan
Kazuaki Shimoji1, Eiichi Suehiro2, Akira Matsuno2
1International University of Health and Welfare School of Medicine, Chiba, Japan. shimoji@iuhw.ac.jp.
Insights
Abusive head trauma (AHT) is a significant concern in infants. This study highlights unique characteristics of AHT in Japan, including perpetrator differences and injury mechanisms, necessitating careful investigation.
Area of Science:
- Pediatric Neurosurgy
- Child Abuse Forensics
- Public Health
Background:
- Abusive head trauma (AHT) poses a significant risk of morbidity and mortality in infants.
- Understanding AHT's epidemiology is crucial for prevention and intervention strategies.
Purpose of the Study:
- To characterize abusive head trauma (AHT) in Japan.
- To compare AHT patterns in Japan with those in other countries.
Main Methods:
- Literature review of PubMed and the Japanese Ichuushi database.
- Analysis of AHT characteristics, including perpetrators and mechanisms of injury.
Main Results:
- Shaking is an uncommon cause of AHT in Japan.
- Mothers are the most frequent perpetrators of pediatric AHT in Japan.
- Infantile subdural hematoma from minor accidental injury was reported in Japan, unlike in other countries.
Conclusions:
- AHT is a critical issue for Japanese pediatric neurosurgeons.
- Perpetrator demographics and injury mechanisms in AHT show slight variations between Japan and Western countries.
- Non-accidental infantile subdural hematoma is predominantly reported in Japan, warranting increased vigilance and fair judgment in child abuse investigations.
Purpose:
Abusive head trauma (AHT) is a serious cause of morbidity and mortality in the pediatric population, especially in young infants. This review of the literature aimed to understand the characteristics of AHT in Japan.
Methods:
PubMed and the Japanese database Ichuushi were searched to understand the differences in AHT between Japan and other countries.
Results:
Shaking was identified as an uncommon cause of injury, while mothers were the most common perpetrator of pediatric AHT in Japan. Although uncommon in other countries, infantile subdural hematoma caused by an accidental slight head injury was reported in Japan.
Conclusion:
As in other countries, AHT is a major condition which pediatric neurosurgeons face in Japan. The mechanisms of injury and perpetrators of AHT seemed to differ slightly between western countries and Japan. Additionally, non-accidental infantile acute subdural hematoma was reported mainly in Japan. Therefore, further care and fair judgment is necessary when investigating child abuse in Japan.

