Indian Journal of Physical Medicine and Rehabilitation

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VOLUME 31 , ISSUE 2 ( April-June, 2020 ) > List of Articles

Original Article

Comparison of the Therapeutic Efficacy of TENS vs Ultrasound-guided Genicular Nerve Block in Patients with Knee Osteoarthritis

Ishita Dey, Vasundhara Ghosal, Ambar Konar, Rajesh Pramanik

Keywords : Genicular nerve, Knee pain, Osteoarthritis, Transcutaneous electrical nerve stimulation, Ultrasonography

Citation Information : Dey I, Ghosal V, Konar A, Pramanik R. Comparison of the Therapeutic Efficacy of TENS vs Ultrasound-guided Genicular Nerve Block in Patients with Knee Osteoarthritis. Indian J Phy Med Rehab 2020; 31 (2):38-41.

DOI: 10.5005/jp-journals-10066-0073

License: CC BY-NC 4.0

Published Online: 25-06-2021

Copyright Statement:  Copyright © 2020; Jaypee Brothers Medical Publishers (P) Ltd.


Abstract

Introduction: Osteoarthritis (OA) knee is a common disease of the aged population and one of the leading causes of disability. There are various treatment modalities to manage the pain in this condition including transcutaneous electrical nerve stimulation (TENS) and genicular nerve block (GNB). Aims and objectives: To assess and compare the effect of ultrasound-guided GNB and repeated daily TENS for 3 weeks in chronic knee pain in patients with OA knee. Materials and methods: The study is a randomized clinical trial done over duration of 18 months in the Department of Physical Medicine and Rehabilitation; IPGMER and SSKMH with a total sample size of 64 patients (32 in each group). Patients of age 40–80 years suffering from symptomatic primary OA knee with K/L score 3 and 4, poorly responding to conservative treatments and devoid of any exclusion criteria were included in the trial. After ethics committee clearance and obtaining informed consent, 64 patients were randomized into 2 treatment groups. Transcutaneous electrical nerve stimulation was applied for 3 weeks in the first group. In the second group, a US-guided GNB was done. Pain and knee function were assessed with visual acuity scale (VAS) and Western Ontario and McMaster Universities index at baseline, 1, and 3 months. Results: Statistically significant reduction in VAS and Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) detected over time in both groups. WOMAC was significantly better in the GNB group than in TENS at 1-month follow-up. Conclusion: Both TENS and GNB have good clinical effects on knee OA with the superiority of GNB.


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