肝臓移植患者の体組成:長期的な変化と回復結果への影響
Sofie Leunis1, Elias Desloovere1, Hanne Van Criekinge1
1Department of Microbiology, Immunology and Transplantation, Abdominal Transplantation, KU Leuven, Leuven, Belgium.
Clinical transplantation
|February 15, 2026
まとめ
サルコペニアは,肝臓移植 (LT) の後も持続し,生存率に影響を及ぼします. 不良な脂肪分布,特に内臓脂肪は,より長い入院期間と相関しており,改善された結果のためにターゲットを絞った管理が不可欠であることを示唆しています.
科学分野:
- 肝臓病理学 肝臓病理学
- 移植医療 移植医療について
- ボディコンポジション分析 分析
背景:
- サルコペニアと肥満は,肝臓移植 (LT) を待っている末期肝疾患 (ESLD) 患者で一般的です.
- これらの状態は,しばしばLT後も持続し,回復を困難にします.
- ボディマス指数 (BMI) は,ESLDにおける肥満の信頼性の低い指標であり,内臓から皮下脂肪組織 (VAT/SAT) の比率は,結果のより良い指標である.
研究 の 目的:
- LT.後の身体組成の長期的な変化を調査する.
- LT前後の体構成と患者の生存率との関連を調べる.
- 体組成と病院/ICUの滞在期間との関係を決定する.
主な方法:
- 81人の成人LT受容者 (2009年−2015年) を対象とした遡及コホート研究.
- 体組成 (骨格筋指数,VAT,SAT) は,CT/MRIによって,LT前およびLT後10年までのL3レベルで評価される.
- 統計分析には,線形混合モデル,生存分析,スピアーマン相関が含まれていた.
主要な成果:
- 臨床試験前では,患者の61%がサルコペニック,19%がサルコペニック肥満でした.
- LT後,骨格筋指数は減少したが,一部回復を示した; BMIは当初減少し,その後増加した.
- 増加したLT前内臓脂肪組織 (VAT) とVAT/SAT比率は,長時間のICUと入院と関連していました.
結論:
- サルコペニアは,LT後長期にわたって持続し,生存率の低下と関連しています.
- 不良な脂肪分布,特に内臓脂肪は,病院の資源利用の増加と相関しています.
- サルコペニアと内臓肥満の早期発見と管理は,LT後のアウトカムを改善するために推奨されます.
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