内耳の再均衡化:主観的垂直視覚によるエプリー法成功の追跡
C R K Balaji1, Sooryakumar Meenakshi Sundaram1, Sivaranjani Marimuthu1
1Department of ENT, Head and Neck Surgery, SRM Medical College, Hospital and Research Center, SRM Institute of Science and Technology, Chengalpattu, Tamil Nadu, India.
Journal of pharmacy & bioallied sciences
|January 12, 2026
まとめ
エプリー法は後方運河の良性発作性頭位めまい症(BPPV)を効果的に治療する。主観的垂直視覚(SVV)検査は、治療成功と球形嚢機能を客観的に確認する。
科学分野:
- 神経学; 耳鼻咽喉科学; 前庭科学
背景:
- 良性発作性頭位めまい症(BPPV)は一般的な前庭疾患であり、主に後方半規管に影響を与える。エプリー法は標準的な第一選択治療であるが、成功の客観的指標は限られている。主観的垂直視覚(SVV)は球形嚢機能を評価し、治療結果を定量化できる可能性がある。
研究 の 目的:
- 後方運河BPPVに対するエプリー法の有効性を評価する。SVVを治療効果の客観的指標として利用する。
主な方法:
- 後方運河BPPVと診断された143人の患者(20〜65歳)を対象とした前向き観察研究を実施した。Dix-Hallpike法でBPPVを確認し、エプリー法前後にSVV検査を実施した。結果はSVV偏差、再発率、症状期間および緩和との相関で測定した。
主要な成果:
- エプリー法は、静的および動的姿勢におけるSVV偏差を著しく改善した(P < 0.05)。再発率は2.1%と低く、症状緩和は平均14.59 ± 6.28日で達成された。症状期間と動的時計回りSVV偏差の間には、強い正の相関(r = 0.706)が観察された。
結論:
- エプリー法は、後方運河BPPVに対して高い有効性と低い再発率を示す。SVVは、BPPV患者の前庭機能評価および治療反応モニタリングに有用な客観的ツールである。
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