超音波ガイド下穿刺的腱切開術によるトリガーフィンガー治療:低侵襲の日帰り手術症例
Nicholas Lorenz1, Amia Mourad1, Stephen Westfall2
1Medical School, Lake Erie College of Osteopathic Medicine, Bradenton, USA.
Cureus
|February 2, 2026
まとめ
保存的治療が無効なトリガーフィンガーに対し、超音波ガイド下A1 pulley tenotomyは安全かつ効果的な低侵襲治療を提供する。この手技は迅速に疼痛を解消し機能を回復させ、効率的な日帰り手術ソリューションとなる。
科学分野:
- 整形外科学
- 筋骨格医学
- インターベンショナルラジオロジー
背景:
- トリガーフィンガー(腱鞘炎)は、保存的治療やコルチコステロイド注射で一般的に治療される。
- 手術は通常、保存的治療に抵抗性のある症例に reserved される。
- 超音波ガイド下穿刺的腱切開術は、新たな低侵襲手技である。
研究 の 目的:
- 難治性トリガーフィンガーに対する、超音波ガイド下A1 pulley fenestrationとコルチコステロイド注射の成功例を提示すること。
- この低侵襲アプローチの安全性、効率性、臨床的有効性を評価すること。
主な方法:
- グレード3およびグレード2のトリガーフィンガーを有する70歳男性患者が、超音波ガイド下A1 pulley fenestrationとコルチコステロイド注射を受けた。
- この手技により、A1 pulley、屈筋腱、神経血管構造を直接視覚化することができた。
主要な成果:
- 患者は処置後2週間以内に、疼痛、引っかかり、機能制限の完全な解消を経験した。
- この介入は安全かつ効率的であることが示された。
結論:
- 超音波ガイド下A1 pulley tenotomyは、トリガーフィンガーに対する安全で効率的かつ臨床的に有効な日帰り手術介入である。
- 保存的治療で十分な効果が得られない患者にとって、有用な選択肢となる。
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