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ORIGINAL ARTICLE
Year : 2018  |  Volume : 12  |  Issue : 4  |  Page : 903-906

Validating the role of steroid in analgesic cocktail preparation for local infiltration in total knee arthroplasty: A comparative study


1 Department of Orthopaedics, Sunshine Hospital, Secunderabad, Telangana, India
2 Department of Orthopaedics, Maxcure Hospital, Hyderabad, Telangana, India

Correspondence Address:
Dr. Sukesh Rao Sankineani
Department of Orthopaedics, Sunshine Hospital, P. G. Road, Secunderabad - 500 003, Telangana
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/aer.AER_138_18

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Background: Pain control after total knee arthroplasty (TKA) through local analgesic cocktail preparation has gained widespread popularity in recent times. Local steroids have potent anti-inflammatory effect leading to reduced postoperative swelling and pain which might increase the efficacy and duration of local infiltration analgesia. Aim: The aim is to evaluate whether the addition of local steroid to an injectable analgesic cocktail for periarticular infiltration leads to better pain control and knee range of motion (ROM) in the immediate postoperative period compared to patients who do not receive steroid in their cocktail. Settings and Designs: A prospective study was conducted in a group of 140 patients undergoing unilateral TKA between June 2017 and December 2017. Materials and Methods: All the patients in the study group received either periarticular infiltration with an analgesic cocktail (Group I, n = 70) or analgesic cocktail with 100 mg methylprednisolone (Group II, n = 70) for postoperative pain with ultrasound-guided adductor canal block (ACB). Patients were evaluated with visual analog scale (VAS) for pain at 8, 24, and 48 h postoperatively and ROM at 48 h after surgery. Statistical Analysis: The SPSS 19.0 software (SPSS Inc., Chicago, IL, USA) was used for the statistical analysis. Student t-test has been used to find the pairwise significance. Results: Group II had a statistically significant decrease in VAS scores at 8 h (P = 0.096), first postoperative day (P = 0.0001) and second postoperative day (P = 0.0001) as compared to Group I. However, there was no statistically significant difference seen with early ROM in both the groups at 48 h (P < 0.361). Conclusion: Patients who received steroid cocktail infiltration plus ACB had an improved and better postoperative analgesia in an early postoperative period of 24–48 h; however, there was no significant difference in clinical ROM and functional outcome when compared to the study group.


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