Craniotabes in normal newborns: the earliest sign of subclinical vitamin D deficiency
| Autor: | Tohru Yorifuji, Hironori Nagasaka, Hiroshi Hatayama, Kenji Tachibana, Tatsutoshi Nakahata, Toru Momoi, Masahiko Kawai, Junko Yorifuji, Shizuyo Nagai |
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| Rok vydání: | 2008 |
| Předmět: |
Male
medicine.medical_specialty Endocrinology Diabetes and Metabolism Clinical Biochemistry Context (language use) Biochemistry vitamin D deficiency Endocrinology Internal medicine Vitamin D and neurology Medicine Humans Vitamin D Subclinical infection Newborn screening business.industry Biochemistry (medical) Skull Infant Newborn Craniotabes medicine.disease Alkaline Phosphatase Vitamin D Deficiency Urinary calcium Calcium Female business Breast feeding |
| Zdroj: | The Journal of clinical endocrinology and metabolism. 93(5) |
| ISSN: | 0021-972X |
| Popis: | Context: Craniotabes in otherwise normal neonates has been regarded as physiological and left untreated. Objective: Our objective was to investigate the role of vitamin D deficiency in the development of craniotabes in normal neonates. Design and Setting: Newborn screening of craniotabes was conducted at the single largest obstetrical facility in Kyoto, Japan. Follow-up study at 1 month was conducted at Kyoto University Hospital. Subjects: A total of 1120 consecutive normal Japanese neonates born in May, 2006, through April, 2007, were included in the study. Main Outcome Measures: The incidence of craniotabes was scored each month. Neonates with craniotabes were followed up at 1 month with measurements of serum calcium, phosphorus, alkaline phosphatase (ALP), intact PTH, 25-OH vitamin D (25-OHD), urinary calcium, phosphorus, creatinine, and hand x-rays. Results: Craniotabes was present in 246 (22.0%) neonates, and the incidence had obvious seasonal variations, highest in April-May and lowest in November. At 1 month, infants with craniotabes had significantly higher serum ALP compared with normal neonates; 6.9% of them had elevated intact PTH over 60 pg/ml, and 37.3% had 25-OHD less than 10 ng/ml. When separately analyzed according to the method of feeding, 56.9% of breast-fed infants showed 25-OHD less than 10 ng/ml, whereas none of formula/mixed-fed infants did, and breast-fed infants had significantly higher serum PTH and ALP compared with formula/mixed-fed infants. Summary: These results suggest that craniotabes in normal neonates is associated with vitamin D deficiency in utero, and the deficiency persists at 1 month in many of them, especially when breast-fed. |
| Databáze: | OpenAIRE |
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