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Hospitalization for child physical abuse before hospitalization for osteogenesis imperfecta or severe hemophilia: A nationwide cohort study in France.

Flora Blangis·Yannick Girardeau·Marguerite Hamon-Pourquery de Boisserin·Valérie Cormier-Daire·Annie Harroche·Geneviève Baujat·Slimane Allali·Emmanuel Lecoeur·Nicolas Garcelon·Elise Launay·Anne-Sophie Jannot·Martin Chalumeau
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Abstract

BACKGROUND: Timely and accurate diagnosis of early child physical abuse (CPA) is crucial to avoid recurrence and protect victims. Ruling out differential diagnoses is also important to avoid misdiagnosis of CPA. We evaluated the risk of hospitalization for early CPA before hospitalization for its 2 main differential diagnoses: osteogenesis imperfecta (OI) and severe hemophilia (SH). METHODS: This population-based cohort study used the national administrative database covering all hospitals in France. We followed infants born from 2010 to 2019 until age 2. We identified infants with a first discharge code for early CPA, OI, and SH and calculated crude absolute and relative risks. RESULTS: Among the 6,315,216 infants included, 2088 (33/100,000 infants per year) were hospitalized for early CPA, 160 (3/100,000) for OI, and 402 (6/100,000) for SH before age 2. Among infants hospitalized for early CPA, 2085 (99.86 %) had no further hospitalization for OI or SH, 3 (0.14 %) were further hospitalized for OI with a 9-month median interval between hospitalizations, and 0 were further hospitalized for SH. The absolute risk of hospitalization for early CPA before hospitalization for OI was 1.9 % (3/160, 95 % confidence interval [CI] 0.39-5.38), and the relative risk as compared with infants without hospitalization for OI was 56.8 (95 % CI 18.5-174.3). CONCLUSIONS: The very low to null absolute risks of hospitalization for early CPA before OI or SH probably reflect excellent current clinical practices in ruling out differential diagnoses. A better implementation of existing guidelines could further shorten the time to diagnosis of OI before age 2.

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HumansOsteogenesis ImperfectaHospitalizationFranceInfantChild AbuseHemophilia AMaleCohort StudiesFemaleChild, PreschoolInfant, NewbornDiagnosis, DifferentialChild physical abuseDifferential diagnosisNationwide cohortOsteogenesis imperfectaSevere hemophiliaJournal ArticleResearch Support, Non-U.S. Gov't

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Flora Blangis, Yannick Girardeau, Marguerite Hamon-Pourquery de Boisserin, Valérie Cormier-Daire, Annie Harroche, Geneviève Baujat, Slimane Allali, Emmanuel Lecoeur, Nicolas Garcelon, Elise Launay, Anne-Sophie Jannot, Martin Chalumeau. 2025-07-08. Hospitalization for child physical abuse before hospitalization for osteogenesis imperfecta or severe hemophilia: A nationwide cohort study in France.. https://doi.org/10.1016/j.chiabu.2025.107581

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