新規診断バセドウ病患者における甲状腺機能正常対照群と比較した身体組成および食習慣
Laura Croce1,2, Cristina Pallavicini2, Vittorio Gabba3,4
1Department of Internal Medicine and Therapeutics, University of Pavia, 27100 Pavia, Italy.
Nutrients
|December 11, 2025
まとめ
バセドウ病(GD)患者は、水分増加と細胞量減少を含む体組成の変化を示す。標準化位相角(SPA)は、体重変化とは無関係に、GDの重症度と栄養状態を反映する。
科学分野:
- 内分泌学;栄養科学;身体組成分析
背景:
- バセドウ病(GD)は甲状腺機能亢進症の一般的な原因であり、体重および体組成に著しい変化を引き起こす。;GDにおける体組成の変化とその甲状腺機能との関連性の臨床的意義は、さらなる解明が必要である。
研究 の 目的:
- 罹患前の体重変動に基づいた、新規診断された甲状腺機能亢進症GD患者の身体組成および食習慣を評価すること。;これらのパラメータを、年齢、性別、BMIを一致させた甲状腺機能正常対照群と比較すること。
主な方法:
- 44人のGD患者と44人の対照群が、身体測定、甲状腺機能検査、および生体電気インピーダンス分析(BIA)を受けた。;食事習慣は、PREDIMEDスコア、マクロ栄養素摂取量、および総1日の摂取カロリーを用いて評価された。;標準化位相角(SPA)および細胞量指数(BCMI)などの栄養指標が計算された。
主要な成果:
- ほとんどのGD患者(70.3%)は診断前の体重減少を経験したが、その程度は甲状腺機能亢進症の重症度と相関しなかった。;GD患者は対照群と比較して、位相角とSPAが低く、細胞外水分が多く、BCMIが減少していた。;SPAは、他の要因とは無関係に、甲状腺ホルモンレベル(FT3、FT4)およびTRAbと有意に関連していた。
結論:
- 甲状腺機能亢進症のGD患者は、細胞外水分が増加し、細胞量が減少している。;SPAは甲状腺機能亢進症における栄養状態を評価するための有用なツールであり、GDの重症度とは逆相関する。;GDにおける罹患前の体重変化は、疾患の重症度よりもむしろカロリー摂取量の増加を反映している可能性がある。
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