緊張型頭痛における活動性トリガーポイントの有病率:筋骨格系の機能よりも痛みの特徴が、その理由を説明する可能性がある
Chalomjai Pensri1, Zhiqi Liang1, Julia Treleaven1
1School of Health and Rehabilitation Sciences, The University of Queensland, St Lucia, QLD, 4072, Australia.
Musculoskeletal science & practice
|February 28, 2026
まとめ
複数の活動性トリガーポイント(ATrPs)を持つ緊張型頭痛(TTH)患者は、より長い頭痛期間と様々な領域でのより多くの痛みを報告した。ATrPsが少ないまたは多い患者の間には、ほとんど違いが見られなかった。
科学分野:
- 神経学
- 疼痛医学
- 筋骨格系研究
背景:
- 活動性トリガーポイント(ATrPs)は、緊張型頭痛(TTH)において一般的な侵害受容源です。
- TTH患者におけるATrPsの数に応じた特徴を理解することは、標的治療戦略のために重要です。
研究 の 目的:
- ATrPsの数に基づいてTTH患者のサブグループを特定すること。
- これらのサブグループ間で、頭痛の特徴、心理的および行動的要因、痛みの分布、筋骨格系の機能を比較すること。
主な方法:
- 80人のTTH参加者を含む横断的研究の二次解析。
- 評価には、頸部筋骨格検査、定量的感覚検査(QST)、頭蓋周囲の圧痛、およびATrPsの同定が含まれた。
主要な成果:
- 2つのクラスターが現れた:ATrPsが少ない/なし(n=48)と複数のATrPs(n=32)。
- 複数のATrPs群は、より長い頭痛の既往歴、より多くの頸部痛、より多くの痛む身体領域、および頸部検査中の痛みの増加を報告した。
- 心理的/行動的特徴またはQSTにおいては、群間で有意な差は観察されなかった。
結論:
- 複数のATrPsを持つTTH患者と、より少ないATrPsを持つ患者を区別する特徴は限られている。
- ATrPsは、直接的な筋骨格系の機能障害ではなく、痛覚過敏に関連する可能性がある。
- TTHにおけるATrPsの役割を解明するためには、さらなる研究が必要である。
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