Combination Effect of High-Dose Preoperative and Periarticular Steroid Injection in Total Knee Arthroplasty. A Randomized Controlled Study |
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Authors: | Vincent Wai Kwan Chan Ping Keung Chan Henry Fu Chi Wing Chan Chun Hoi Yan Kwong Yuen Chiu |
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Affiliation: | 1. Division of Joint Replacement Surgery, Department of Orthopaedics and Traumatology, The University of Hong Kong, Queen Mary Hospital, Hong Kong SAR, China;2. Department of Anaesthesiology, The University of Hong Kong, Queen Mary Hospital, Hong Kong SAR, China |
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Abstract: | BackgroundPostoperative pain remains a major barrier to a patient’s recovery after total knee arthroplasty (TKA). Periarticular corticosteroids in local infiltration analgesics (LIA) and high-dose intravenous corticosteroids have individually shown to improve pain control after TKA. However, potential interactions between them have not been investigated.This study aims to evaluate any combination effect of both routes of corticosteroids in TKA.MethodsThis is a double-blinded, paired, randomized controlled trial involving 1-stage bilateral TKAs. All received 16 mg of dexamethasone intravenously. One knee was randomized to receive LIA with 40 mg of triamcinolone, while the other knee receives LIA without corticosteroids.For each patient, one knee was affected by intravenous steroids only, while the other was under the combined effect of intravenous and periarticular steroids (IVPAS).Knee pain, Southampton wound scores, and functional knee scores (Knee Society Knee Score and Oxford Knee Scores) were compared between knees of the same patient.ResultsForty-six patients (92 TKAs) were included. IVPAS knees showed significantly lower visual analog scale scores from day 1 to 6 weeks (P < .05) and a larger range of movement from day 2 to 4 (P < .05). IVPAS knees achieved active straight leg raise earlier than intravenous steroids (1.6 vs 2.3 days, P < .05).No differences in Southampton wound scores and functional knee scores for up to 1 year.ConclusionCombining intravenous and periarticular corticosteroids improved pain control and recovery after TKA with no increase in wound complications up to 1 year. |
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Keywords: | total knee arthroplasty fast-track arthroplasty enhanced recovery after surgery pain control corticosteroids local infiltration analgesics |
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