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Objectives The safety and analgesic efficacy of perioperative glucocorticoids have been established for patients without rheumatoid arthritis. Therefore, our study aims to investigate whether similar benefits can be observed in patients with rheumatoid arthritis undergoing total joint arthroplasty. Specifically, we aim to explore the impact of perioperative glucocorticoid use on postoperative complications, opioid consumption, incidence of hypotension, hyperglycemia, 30‐day mortality, and 90‐day re‐admission in this patient population. Methods Approval for the study protocol was obtained from the Medical Research Ethics Committee at Sichuan University, aligning with the principles outlined in the Declaration of Helsinki. We retrospectively analyzed a consecutive series of patients with rheumatoid arthritis who underwent total joint arthroplasty at our medical center between November 2009 and April 2021 and who were not on chronic glucocorticoid therapy before surgery. Those who received glucocorticoids at any time during hospitalization were compared to those who did not in terms of acute complications within 90 days after surgery as well as postoperative rescue opioid consumption, hypotension, and hyperglycemia during hospitalization. The two groups were also compared in terms of overall duration of hospitalization, all‐cause mortality within 30 days, and readmission for any reason within 90 days. Continuous data were assessed for significance using the independent‐samples t test. Categorical data were assessed using the Pearson chi‐squared test. Results Of the 849 patients included in the analysis, 598 administered perioperative glucocorticoids and 251 did not. Prior to surgery, the two groups did not differ significantly in any clinicodemographic variable that we examined. The incidence of acute postoperative complications (2.3% vs. 4.0%, p = 0.187) and acute postoperative infection (2.0% vs. 2.8%, p = 0.482) was comparable between those who received perioperative glucocorticoids and those who did not, but the former group exhibited a significantly lower incidence of rescue opioid use (17.9% vs. 44.6%, p

Objective Despite the established success of total knee arthroplasty (TKA) with end‐stage osteoarthritis, there is a notable scarcity of research on its long‐term outcomes in individuals suffering from end‐stage Kashin–Beck disease (KBD). This retrospective study aimed to assess the long‐term outcomes and effectiveness of clinical function, quality of life, and complications of TKA and end‐stage KBD patients in Tibetan highland areas. Methods The retrospective cohort included 43 KBD patients, comprising a total of 59 knees, who had undergone TKA at West China Hospital, Sichuan University between 2008 and 2021. Patients were subsequently followed up for a minimum of 3 years, and received rigorous radiological and clinical assessments at 3, 6, and 12 months post surgery, followed by annual examinations thereafter. The evaluation included various efficacy indices, including visual analogue scale (VAS) scores, hospital for special surgery (HSS) scores, functional score for adult Tibetans with Kashin–Beck disease (FSAT‐KBD), and radiographic findings. Comparison of indicators within the same group was conducted using one‐way repeated‐measures analysis of variance or paired sample t‐tests, whereas between‐group differences were compared using an independent t‐test. Results Throughout the average follow‐up duration of 10.8 years, patients experienced a substantial reduction in knee pain and noteworthy functional improvement. The VAS scores decreased significantly from 77.47 ± 4.12 mm before surgery to 10.91 ± 1.97 mm after surgery, indicating considerable alleviation of knee pain. The HSS scores improved markedly, increasing from 44.26 ± 4.95 preoperatively to 91.26 ± 4.37, indicating enhanced joint function. Similarly, the FSAT‐KBD exhibited positive progression, increasing from 25.90 ± 3.12 to 36.95 ± 3.54. Importantly, at the last follow‐up, none of the patients presented with periprosthetic infection, prosthesis loosening, or periprosthetic fracture. Conclusion At long‐term follow‐up, compared with patients in the preoperative period, patients in Tibetan highland areas with KBD of the knee who underwent TKA benefited from a significant reduction in pain, improvement in joint function, and satisfactory improvement in quality of life.

Objective We investigated the advantages of robotic arm‐assisted total knee arthroplasty (raTKA) over conventional manual TKA (cmTKA) by comprehensively comparing patients who received raTKA and cmTKA in terms of postoperative pain, function, imaging assessment, and trauma to the body. This study investigated the efficacy and safety of raTKA in patients using the YUANHUA‐TKA system. Methods In a prospective, randomized single‐blind trial, 60 patients undergoing primary unilateral TKA from October 2020 to December 2020 were randomly assigned to either raTKA or cmTKA. Clinical evaluation, including the time of osteotomy and prosthesis model testing, the total operation time, the visual analogue scale at rest, VAS in motion, opioid consumption, white blood cell count, neutrophil ratio, erythrocyte sedimentation rate, C‐reactive protein (CRP), passive and active range of motion (pROM, aROM), Western Ontario and McMaster Universities Arthritis Index (WOMAC [stiffness, pain, and function]) score, gait analysis, keen society score (KSS), adverse events, and blood loss were collected by the project nurse, as well as the imaging evaluation, including the lateral tibia component angle (LTC), frontal femoral component angle, frontal tibia component angle (FTC), lateral femoral component angl, and hip–knee–ankle angle (HKA). The student t‐test (or the Wilcoxon signed‐rank test) and the χ2‐test (or the Fisher exact test) were used to determine differences in categorical variables. Results No significant difference was found between the two groups in pain throughout the whole follow‐up period. On the third day postoperatively, the erythrocyte sedimentation rate in the cmTKA group was significantly higher (p = 0.02), as well as the CRP (p = 0.04). No significant difference was found in the WOMAC stiffnes score or pROM. However, the aROM and the flexion range when walking (FRW) were significantly better in the raTKA group throughout the trial (p