BIOTIN DEFICIENCY BY AMINO ACID FORMULA NUTRITION FOR AN INFANT WITH MILK PROTEIN ALLERGY

  • Mamada Yoko
    Department of Pediatrics, Mizonokuchi Hospital, Teikyo University School of Medicine
  • Murata Takahiro
    Department of Pediatrics, Mizonokuchi Hospital, Teikyo University School of Medicine
  • Taniguchi Ayumi
    Department of Dietary Environment Analysis, University of Hyogo
  • Hasegawa Yuki
    Department of Pediatrics, Shimane University School of Medicine
  • Suzuki Tetsuomi
    Department of Pediatrics, Mizonokuchi Hospital, Teikyo University School of Medicine
  • Kohda Kyoko
    Department of Pediatrics, Mizonokuchi Hospital, Teikyo University School of Medicine
  • Nasuno Kiyoto
    Department of Pediatrics, Mizonokuchi Hospital, Teikyo University School of Medicine
  • Watanabe Toshiaki
    Department of Dietary Environment Analysis, University of Hyogo
  • Yamaguchi Seiji
    Department of Pediatrics, Shimane University School of Medicine
  • Ishiguro Akira
    Department of Pediatrics, Mizonokuchi Hospital, Teikyo University School of Medicine

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Other Title
  • 牛乳蛋白アレルギー児に発症したアミノ酸調整粉末哺育によるビオチン欠乏症
  • 症例報告 牛乳蛋白アレルギー児に発症したアミノ酸調整粉末哺育によるビオチン欠乏症
  • ショウレイ ホウコク ギュウニュウ タンパク アレルギージ ニ ハッショウシタ アミノサン チョウセイ フンマツ ホイク ニ ヨル ビオチン ケツボウショウ

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Abstract

We reported a 4-month-old girl with biotin deficiency caused by amino acid formula. Two weeks after birth, she was diagnosed as having a milk protein allergy. After switching to amino acid formula from usual formula, her symptoms and laboratory findings became normal. About three weeks after the beginning of amino acid formula, she developed intractable skin erosions around the eyes, mouth, neck, and anogenital area. By measuring concentrations of some trace elements, she was diagnosed as having a biotin deficit, because of the organic aciduria and undetectable serum biotin concentration. Her serum biotinidase level was normal. Upon administration of oral biotin supplementation, all her symptoms and laboratory findings were dramatically improved. Since amino acid formula contains very few biotin, we should pay attention to biotin deficiency when infants receiving amino acid formula.

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