甲状腺毒性高血圧性低血圧性周期性麻痺におけるインスリン高血症
1Department of Medicine, National University of Singapore.
Lancet (London, England)
|May 4, 1991
まとめ
甲状腺毒性低血圧性周期性麻痺 (THPP) を患っている男性は,合併症のない甲状腺毒性症を患っている男性と比較して,グルコース負荷の後,より高いインスリンレベルを示します. この高インスリン血症は,THPP患者の麻痺エピソードに寄与する可能性があります.
科学分野:
- エンドクリノロジー エンドクリノロジー
- メタボリック障害 メタボリック障害
- 神経筋疾患 神経筋疾患
背景:
- 甲状腺毒性低血圧性周期性麻痺 (THPP) は,甲状腺機能過剰症と低カリウムレベルに関連している状態です.
- THPPにおける麻痺を誘発する正確なメカニズムは,まだ完全に理解されていません.
- 以前の研究では,単純な低血糖症を超えた潜在的代謝障害が示唆されています.
研究 の 目的:
- THPP患者における炭水化物の摂取に対する血清インスリン反応を調査する.
- THPP患者のインスリン分泌パターンを,合併症のないチロトキシコシス患者と比較する.
- ハイパーインスリンレミアがTHPPの病原化に作用するかどうかを判断する.
主な方法:
- THPPと診断された18人の男性に,経口によるグルコース耐性テストが行われました.
- 合併症のない甲状腺毒性症を患った15人の男性からなる対照群は,同じ検査を受けた.
- 禁食とグルコース後の血清インスリンとグルコースレベルを測定し,グループ間で比較した.
主要な成果:
- THPPグループでは,空腹インスリン濃度が著しく上昇した (27.6 vs 13.4 mU/l).
- THPPコホートでは,経口グルコースに対する全体的なインスリン反応が著しく高いことが観察されました (p <0.001).
- 2つのグループ間で,断食または刺激された血清糖値の有意な違いは見つかりませんでした.
結論:
- THPPを有する個人は,グルコースチャレンジの後,有意な超インスリンレミアを発現します.
- インスリン濃度の上昇は,THPPにおける急性麻痺発作を誘発する重要な要因である可能性があります.
- THPPの病理生理学におけるインスリンの役割に関するさらなる研究が必要である.
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