バルーンで膨張するMyval Octacorと自己膨張するEvolut PRO/PRO+とAcurate Neo2:傾向マッチ分析による短期的な結果
Elisabetta Moscarella1,2, Alfonso Ielasi3, Won-Keun Kim4
1Department of Translational Medical Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy.
まとめ
Myval Octacor弁は,自己膨張弁と比較して,トランスキャセター大動脈弁のインプラント化 (TAVI) でより優れた装置の成功を示し,同様の安全性結果を示した. TAVI手順のこれらの発見を確認するには,さらなるランダム化研究が必要です.
科学分野:
- 心血管医学
- 介入心臓科
- バイオ材料工学
背景:
- トランスキャセータ性大動脈弁の移植 (TAVI) は,より若い,低リスクの患者に拡大しており,最適化された手順と血液動力学的結果を必要としています.
- Myval Octacor バルーン膨張弁 (BEV) は,パラバルブラー反発 (PVL),ペースメーカーインプラント (PPI) を軽減し,血液動力学を改善することを目的としています.
- Evolut PRO/ PRO+とAcurate Neo2のような現代的な自己拡張性Supra- Annular Valve (SEV) と比較するデータは限られている.
研究 の 目的:
- Myval Octacor BEVの安全性,有効性,および短期的な臨床結果と,TAVIにおけるSEVを比較する.
- 装置の成功,技術的成功,バルブ性能,およびTAVIの30日後の早期安全性評価
主な方法:
- NEOPRO2登録のSEV受容者と比較した Myval Octacor患者の将来的な多センター登録.
- グループ間のベースラインの差を調整するために,傾向スコアマッチングを使用した.
- 主要エンドポイント: 30日間のバルブ学術研究コンソーシアム-3 (VARC-3) デバイスの成功. 二次的エンドポイント:技術的な成功,バルブ性能,早期安全性.
主要な成果:
- Myval Octacorは,SEVと比較して30日間のVARC-3装置の成功率が高かった (97%対88%,p=0. 024).
- Myval Octacor群では,中等から重度のPVLが減少する傾向が見られた (1%対7%,p=0. 06).
- 死亡率,脳卒中,PPI,心筋梗塞の割合は30日後に類似した.
結論:
- Myval Octacorは,TAVIにおける超年輪性SEVと比較した早期の安全性と有効性を示した.
- Myval Octacorは,デバイスの成功と血液動力学的性能の潜在的な利点を提供します.
- TAVIの手順でこれらの結果を検証するには,より大きなランダム化試験が必要である.
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