Abstract
Objective The objective of this study was to evaluate the effectiveness ofdexamethasonein treating postoperative pain in patients undergoing total knee arthroplasty (TKA). Methodology This randomized controlled trial (RCT) was completed over the course of two years (September 7, 2015, to September 6, 2017). In the course of their treatment for osteoarthritis of the knee, all of the patients who had primary unilateral total knee replacement (TKR) participated in the research. Under spinal anesthesia, each patient had medial para-patellar approach medial orthopedic surgery. Patients were assigned to group A or group B based on a random selection. Each of the groups consisted of 79 individuals. Group A was given dexamethasone through intravenous administration at a dose of 0.1 mg/kg before the operation. During the subsequent period of 24 hours, no more treatment was administered (control group). On a predesigned questionnaire, postoperative pain was measured using the visual analog scale (VAS) for pain. Functional results, duration of hospital stay, and complications were all recorded on the questionnaire (VAS). Analysis of data was carried out using the Statistical Package for the Social Sciences (SPSS) version 23 (IBM SPSS Statistics, Armonk, NY, USA). Results There were 158 patients in total in the study, out of which 98 were females and 60 were males in the group. The patients' average body mass index (BMI) was 26.94 ± 3.14 kg/m2. Patients in group A had lower postoperative analgesic and antiemetic needs and higher VAS scores and spent less time in the hospital than patients in group B. There were no postoperative problems in either group. Conclusion In patients undergoing TKA, the use of dexamethasone during and after surgery decreases pain, the need for analgesics, and the duration of hospital stay.
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