ArticlePloS one2020
Circumstances and factors of sleep-related sudden infancy deaths in Japan.
Article in PloS one, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers, 1 of them a synthesis that pooled it.
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Who cites it
7 citing papers in PubMed, 1 synthesis or guideline pooled it, 11 citations in OpenAlex.
- Cultural variation in factors associated with sudden infant death during sleep.BMC pediatrics · 2021Pooled it
- Sleep-Related Infant Deaths in Japan.JAMA network open · 2026Article
- Practices and Awareness Regarding an Infant's Sleep Environment among Japanese Caregivers: A Cross-Sectional Survey.International journal of environmental research and public health · 2024Article
- Gastric aspiration in sudden unexpected infant death of Prader-Willi syndrome: immunohistochemical detection of feeding components.International journal of legal medicine · 2022Article
- A proof-of-concept study to construct Bayesian network decision models for supporting the categorization of sudden unexpected infant death.Scientific reports · 2022Article
- Non-polyalanine repeat mutation in PHOX2B is detected in autopsy cases of sudden unexpected infant death.PloS one · 2022Article
- Accurate interpretation of genetic variants in sudden unexpected death in infancy by trio-targeted gene-sequencing panel analysis.Scientific reports · 2021Article
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Authors and funding
14 authors at 8 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundSudden unexpected death in infancy (SUDI) comprises both natural and unnatural causes of death. However, few epidemiological surveys have investigated SUDI in Japan.
objectiveThis retrospective study was conducted to investigate the latest trends of circumstances and risk factors of SUDI cases in which collapse occurred during sleep.
methodsForensic pathology sections from eight universities participated in the selection of subjects from 2013 to 2018. Data obtained from the checklist form were analyzed based on information at postmortem.
resultsThere were 259 SUDI cases consisting of 145 male infants and 114 female infants with a mean birth weight of 2888 ± 553 and 2750 ± 370 g, respectively. Deaths most frequently occurred among infants at 1 month of age (18%). According to population data as the control, the odds ratio (95% confidence interval) of mother's age ≤19 years was 11.1 (6.9-17.7) compared with ages 30-39. The odds ratio for the fourth- and later born infants was 5.2 (3.4-7.9) compared with the frequency of first-born infants. The most frequent time of day for discovery was between 7 and 8 o'clock, and the time difference from the last seen alive was a mean of 4.1 h. Co-sleeping was recorded for 61%, and the prone position was found for 40% of cases at discovery. Mother's smoking habit exhibited an odds ratio of 4.5 (2.9-5.8).
conclusionThis study confirmed the trends that have been observed for sudden infant death syndrome; particularly, very high odds ratios were evident for teenage mothers and later birth order in comparison with those in other developed countries. Neglect was suspected in some cases of the prolonged time to discovery of unreactive infants. To our knowledge, this is the first report of an extensive survey of SUDI during sleep in Japan.
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