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[Ultrasound-guided needle-knife for trigger finger]
Wen-Bing Zhang1, Dong-Wen Yao1, Wei-Xian Wu2
1Department of Pain Management, People's Hospital Affiliated to Fujian University of TCM, Fuzhou 350004, China.
Zhongguo Zhen Jiu = Chinese Acupuncture & Moxibustion
|August 10, 2019
Summary
Ultrasound-guided needle-knife therapy precisely targets trigger finger points, offering superior symptom relief. This method demonstrates excellent immediate and long-term effectiveness for stenosing tenosynovitis of the flexor tendon.
Area of Science:
- Orthopedics
- Musculoskeletal Disorders
- Interventional Pain Management
Background:
- Trigger finger, or stenosing tenosynovitis of the flexor tendon, causes significant pain and functional limitation.
- Current treatments for trigger finger have varying degrees of efficacy and potential side effects.
Purpose of the Study:
- To evaluate the effectiveness of ultrasound-guided needle-knife therapy with precise 3D stereotactic localization of ashi points for trigger finger.
- To compare this novel technique against standard ultrasound-guided intrathecal injection.
Main Methods:
- A randomized controlled trial involving 74 patients with trigger finger.
- Observation group: ultrasound-guided needle-knife intrathecal injection and releasing method.
- Control group: ultrasound-guided intrathecal injection. Pain and function assessed using a 9-score scale at multiple time points.
Main Results:
- The observation group showed significantly lower trigger finger scores post-treatment compared to baseline and the control group (P<0.01).
- Immediate excellent/good rate was 100% in the observation group vs. 8.1% in the control group (P<0.05).
- Cured rates at 1 and 3 months were 100% and 97.3% in the observation group, significantly higher than the control group (13.5% and 10.8%, P<0.05).
Conclusions:
- Ultrasound-guided needle-knife therapy with 3D stereotactic localization of ashi points is highly effective for trigger finger.
- This technique provides superior immediate and sustained symptom improvement and functional recovery compared to standard ultrasound-guided injection.
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