KMID : 0363120200330030258
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Korean Journal of Pain 2020 Volume.33 No. 3 p.258 ~ p.266
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Comparing the effectiveness of ultrasound guided versus blind genicular nerve block on pain, muscle strength with isokinetic device, physical function and quality of life in chronic knee osteoarthritis: a prospective randomized controlled study
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Cankurtaran Damla
Karaahmet Ozgur Zeliha Yildiz Sadik Yigit Eksioglu Emel Dulgeroglu Deniz Unlu Ece
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Abstract
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Background: The genicular nerve block (GNB) is demonstrated from several reports to alleviate pain and improve knee functionality in patients with chronic knee osteoarthritis (OA). Ultrasound (US)-guided GNB has been the most used imaging method. This study aimed to compare the effectiveness of US-guided versus blind GNB in the treatment of knee OA.
Methods: This prospective, randomized clinical trial included patients with knee OA based on American College of Rheumatology diagnostic criteria. The patients were evaluated for clinical and dynamometer parameters at the baseline, 4 weeks after treatment, and 12 weeks after treatment. The patients underwent blind injection or US-guided injection.
Results: When compared with the baseline, both groups showed significant improvement in pain, physical function, and quality of life parameters. Significant differences were observed between the groups for clinical parameters (30-second chair stand test, 6-minute walk test) in favor of the US-guided group. On the other hand, blind injection was more significantly effective on some parameters of the Nottingham Health Profile. There wasn¡¯t any significant improvement in isokinetic muscle strength for either group.
Conclusions: This study demonstrated that both US-guided and blind GNB, in the treatment of knee OA, were effective in reducing symptoms and improving physical function. GNB wasn¡¯t an effective treatment for isokinetic muscle function. USguided injections may yield more effective clinical results than blind injections.
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KEYWORD
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Knee Joint, Muscle Strength, Nerve Block, Osteoarthritis, Knee, Pain Management, Quality of Life, Steroids, Treatment Outcome, Ultrasonography, Interventional
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