The relationship between bone marrow characteristics and the clinical prognosis of antithyroid drug-induced agranulocytosis

  • Yang Jing
    Department of Metabolism & Endocrinology of the first affiliated hospital, University of South China, Hengyang 421001, China Department of Pathophysiology, University of South China, Changsheng Road, Hengyang 421001, China
  • Zhong Jing
    Clinical Medical Research Institute of the First Affiliated Hospital, University of South China, Hengyang 421001, China
  • Xiao Xin-Hua
    Department of Metabolism & Endocrinology of the first affiliated hospital, University of South China, Hengyang 421001, China
  • Zhou Ling-Zhi
    Clinical Medical Research Institute of the First Affiliated Hospital, University of South China, Hengyang 421001, China
  • Chen Ya-Jun
    Department of Pathophysiology, University of South China, Changsheng Road, Hengyang 421001, China
  • Liu Jiang-Hua
    Department of Metabolism & Endocrinology of the first affiliated hospital, University of South China, Hengyang 421001, China
  • Cao Ren-Xian
    Department of Metabolism & Endocrinology of the first affiliated hospital, University of South China, Hengyang 421001, China
  • Wen Ge-Bo
    Department of Metabolism & Endocrinology of the first affiliated hospital, University of South China, Hengyang 421001, China Clinical Medical Research Institute of the First Affiliated Hospital, University of South China, Hengyang 421001, China

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抄録

This study is aimed to explore the relationship between bone marrow characteristics and clinical prognosis of antithyroid drug (ATD) induced agranulocytosis. A retrospective study was conducted in the first affiliated hospital of the University of South China. A total of 33 hospitalized patients diagnosed with ATD-induced agranulocytosis were analyzed. The bone marrow characteristics were classified into two types. Type I was characterized by reduction or absence of granulocytic precursors and type II was recognized as hypercellular bone marrow with dysmaturity of granulocytic cells. Bone marrow of 20 cases (61%) were characterized with type I whereas 13 cases (39%) with type II. The median duration of neutrophil recovery and high-grade fever were 4.7 ± 1.0 days and 3.6 ± 2.5 days respectively for type II, compared to 8.0 ± 2.8 days and 8.6 ± 3.1 days for type I (p < 0.01 in both compared groups). However, there was no significant difference between the two types in terms of age, median duration of drug administration before the diagnosis of agranulocytosis, the amount of neutrophil count on admission and the total administration dose of granulocyte-colony stimulating factor (G-CSF) before bone marrow examination. Two cases of type I died of complications from infection. This study showed that the bone marrow characteristics of ATD-induced agranulocytosis could be classifed into two types. Also, the clinical prognosis was closely related to the bone marrow features. Type I is the dominant type which is usually associated with worse clinical prognosis compared to type II.

収録刊行物

  • Endocrine Journal

    Endocrine Journal 60 (2), 185-189, 2013

    一般社団法人 日本内分泌学会

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