Comparison of clinical effects of ultrasound guided suprascapular nerve block and oral pregabalin versus suprascapular nerve block alone for pain relief in frozen shoulder

Introduction: Frozen shoulder is a painful and disabling condition in patients in 40-70 years age group, affecting 2-5% of general population. Aim of the study was to assess pain relief and functional improvement after supracapular nerve block with or without pregabalin, in patients with diagnosed case of frozen shoulder who failed to respond to medical treatment for 3 months. Material and methods: 100 patients with unilateral frozen shoulder was divided into two equal groups (n = 50) in a randomized double blind protocol. Group A (n = 50) received three doses of suprascapular nerve block and oral pregabalin 75 mg at bed time daily while Group B (n = 50) received suprascapular nerve block and oral placebo tablets in a similar way. Suprascapular nerve block was given with Inj depot methyl prednisolone acetate 1 ml (40 mg) + 9 ml 0.25% inj bupivacine for three successive weeks with ultrasound. Patients were followed up at 4 th, 6 th and 12 th week after injection. Visual Analogue Scale (VAS) was used to assess intensity of pain and range of movement estimated using goniometer in terms of abduction, external rotation and internal rotation in sitting position. Results: Results showed Group-A patients had almost complete pain relief and significant improvement in the range of movement at the end of 12 th week compared to Group B (P < 0.05). Conclusion: Combination therapy of suprascapular nerve block and oral pregabalin 75 mg is better for patients with frozen shoulder compare to suprascapular nerve block only.

Abstract licence: CC BY-NC-SA

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