Postpartum recurrence of Graves' hyperthyroidism can be prevented by the continuation of antithyroid drugs during pregnancy

Yoshinori Nakagawa, Kouki Mori, Saeko Hoshikawa, Makiko Yamamoto, Sadayoshi Ito, Katsumi Yoshida

研究成果: Article査読

17 被引用数 (Scopus)

抄録

OBJECTIVE: Previous studies recommend the discontinuation of antithyroid drug (ATD) therapy during pregnancy in women with well-controlled Graves' hyperthyroidism (GH). In this study, we investigated whether this termination of ATD therapy during pregnancy is beneficial in terms of postpartum GH recurrence. DESIGN: A nonrandomized, retrospective study. PATIENTS: Sixty-five pregnant GH patients treated with maintenance doses of ATDs were assigned into two groups: ATD therapy was discontinued before delivery in Group 1, but continued during pregnancy and after delivery in Group 2. MEASUREMENTS: The prevalence of postpartum recurrence or exacerbation of GH within 1 year after delivery was examined. Serum T4, T3 TSH, and TSH receptor antibody levels were measured. RESULTS: In Group 1, 70.8% (17/24) of patients suffered a recurrence of GH within 1 year after delivery. In contrast, a postpartum exacerbation of GH was observed in only 29% (12/41) of patients in Group 2 (P < 0.01). Both exacerbations and recurrences of GH appeared primarily within 4-6 months after delivery. Apparent neonatal hypothyroidism and malformations were not observed in the offspring of either group. CONCLUSION: Continuing antithyroid drug therapy throughout pregnancy prevents postpartum recurrence of Graves' hyperthyroidism without resulting in neonatal hypothyroidism or malformations.

本文言語English
ページ(範囲)467-471
ページ数5
ジャーナルClinical Endocrinology
57
4
DOI
出版ステータスPublished - 2002

ASJC Scopus subject areas

  • 内分泌学、糖尿病および代謝内科学
  • 内分泌学

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