術中メサドン投与とQTc間隔延長の関連:傾向スコアマッチング解析
Jasper Koolwijk1, Sonja Babac2,3, Marcel Van 't Veer4
1Department of Anesthesiology, Intensive Care and Pain Medicine, Catharina Hospital, Eindhoven, The Netherlands jasper.koolwijk@catharinaziekenhuis.nl.
Regional anesthesia and pain medicine
|February 4, 2026
まとめ
周術期メサドン使用は、術中QTc間隔延長のリスクを増加させませんでした。メサドン投与群と非投与群の間でQTc延長に有意な差は見られず、疼痛管理における安全な使用が示唆されました。
科学分野:
- 麻酔科学および周術期医学
- 心臓病学
- 薬理学
背景:
- 周術期メサドン使用は疼痛管理のために増加しています。
- メサドンはQTc間隔を延長し、Torsades de Pointesのリスクを高めることが知られています。
- 術中メサドン負荷投与がQTc延長に与える影響はよく理解されていません。
研究 の 目的:
- 術中メサドン負荷投与とQTc間隔延長の関連を調査すること。
- 手術中にメサドンを投与された患者における特定の閾値を超えるQTc延長の発生率を評価すること。
主な方法:
- 主要な非心肺手術を受けた成人患者の後向き観察コホート研究。
- 術中メサドン負荷投与を受けた患者と受けなかった患者の比較。
- ベースラインおよび術中のQTc間隔を測定するためのウェーブレットベースアルゴリズムを使用した心電図(ECG)の解析。
- 交絡変数を制御するための傾向スコアマッチング。
主要な成果:
- 傾向スコアマッチング後、メサドン群と非メサドン群の間でQTc間隔延長に有意な差は観察されませんでした。
- QTc間隔 >500 ms、ベースラインからの増加が≥30 ms、または≥60 msの発生率は両群で同様でした。
- 非メサドン群は、>500 msの閾値を超えた術中時間の割合が有意に高かった。
結論:
- 術中メサドン負荷投与は、術中QTc間隔延長の発生率増加とは関連していませんでした。
- メサドンは、QTc延長リスクを大幅に増加させることなく、周術期の疼痛管理に安全に導入できます。
- さらなる研究では、長期的な心臓への影響と最適な投与戦略を探求する可能性があります。
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