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Updated: Feb 13, 2026

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HeartWareTMのHVADは,抗凝固剤なしでサポートされています

Mats Steffi Jennifer Masilamani¹, Emily Greengard^2,3, Jonathan Nicholas Johnson¹

¹Division of Pediatric Cardiology/Department of Pediatrics and Adolescent Medicine, Mayo Clinic Children's, 200, 1 st St SW, Rochester, MN 55905 USA.

Indian journal of thoracic and cardiovascular surgery

|February 12, 2026

まとめ

このケーススタディでは,HeartWareTM左心室補助器 (HVAD) を搭載した小児患者が110日間,抗凝固薬なしで治療を成功させたことが示されています. 綿密なモニタリングにより,耐久的なサポートが可能となり,VADに対する抗血栓剤戦略の進化を強調した.

科学分野:

ペディアトリック・カルディオロジー
心血管外科手術についてです.
腫瘍学腫瘍学

背景:

心室補助装置 (VAD) は,小児心臓移植 (HTx) 候補者にとって極めて重要であり,死亡率を低下させます.
アントラサイクリン誘発性心筋症 (AC) は,小児がん患者の急性シストリック心不全を引き起こす可能性があります.

研究の目的:

抗凝固薬なしで管理されたHeartWareTM左心室補助装置 (HVAD) を使用した小児患者のユニークな症例を報告するために.
複雑なケースにおいて,注意深いモニタリングによる持続的なHVADサポートの実現可能性を強調する.
VAD患者における抗血栓剤戦略の進化について議論する.

主な方法:

8歳の少女の骨肉腫とACの症例報告で,HVADのインプラントが必要になった.
治療には,耐火性エピスタキシーと血小板減少症のために,抗凝固剤と抗血小板剤の投与を中止することが含まれていました.
長期的なフォローアップには,合併症のモニタリングと心臓移植の監視が含まれていました.

主要な成果:

患者は,抗凝固薬や抗血小板治療なしで21ヶ月間,持続的なHVADサポートを受けていました.
彼女は骨肉腫の寛解を達成し,心臓移植手術を成功させた.
抗血栓剤を避ける期間中に主要な血栓性合併症は観察されなかった.

結論:

耐久的なHVADのサポートは,標準的な抗血栓剤療法なしで,細心の注意を払ったモニタリングで,選択された小児患者で達成可能です.
多学科ケアと患者教育は,VAD患者の治療結果を最適化するために不可欠です.
特定のVAD試験 (例えば,ARIES-HM3) から得られた結果を,異なるデバイスにエクストラポレーションする際には注意が必要です.

キーワード:

アントラサイクリン誘発性心筋症候群候補者への橋渡し子供子供子供子供子供子供ハートウェアTMHVADは Ventricular Assistance Device (VAD) (心室補助器具) とは,心室を支える器具 (VAD) と呼ばれるものです.

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