Evaluation of anticonvulsant-induced bone change by microdensitometric method

Y. Iwata, K. Amano, H. Kawamura, T. Tanikawa, H. Kawabatake, M. Notani, H. Iseki, T. Shiwaku, T. Nagao, T. Taira

    研究成果査読

    4 被引用数 (Scopus)

    抄録

    The effect of long-term anticonvulsants on bone change was evaluated by microdensitometric method (MD method) in 221 outpatients of Neurological Institute Tokyo Women's Medical College. Laboratory findings including serum Ca, P, Al-p were compared with severity of bone change. Following results were obtained; 1) In 221 patients, 159 cases (72%) were normal, 31 cases (14%) were in the initial stage of abnormality, 23 cases (10%) in grade grade I, 7 cases (3%) in grade II and one case (1%) in grade III of abnormality. 2) Incidence of abnormality was high in the age of 26-35 years old and in the age over 56 years old. 3) Total dose, serum concentration of diphenylhydantoin (DPH) as well as phenobarbital (PB) and also duration of administration of PB correlated positively with severity of bone change. Duration of administration of DPH and valproic acid (VPA), total dose and serum concentration of VPA did not correlate with severity of bone change. 4) Serum Ca correlated with severity of bone change, but P and Al-p did not correlate with severity of bone change. 5) Pattern of bone change was estimated by two parameters of MD method (MCI and GSmax). Results showed that most of the osteopathy (grade I-III by MD method) fell into osteoporotic type. Based on these results, it is suggested that roentgenologic and biochemical supervision of the patients is required during long-term anticonvulsant therapy.

    本文言語English
    ページ(範囲)293-299
    ページ数7
    ジャーナルNeurological Surgery
    13
    3
    出版ステータスPublished - 1985 10 10

    ASJC Scopus subject areas

    • 外科
    • 臨床神経学

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