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Higher disease activity in RA patients linked to increased risk of complications after THA: Study
![Higher disease activity in RA patients linked to increased risk of complications after THA: Study Higher disease activity in RA patients linked to increased risk of complications after THA: Study](https://medicaldialogues.in/h-upload/2024/08/09/750x450_247157-images-40.webp)
Higher disease activity in RA patients linked to increased risk of complications after THA suggests a study published in the Journal of Orthopaedic Surgery and Research.
Identifying rheumatoid arthritis patients at higher risk of complications after total hip arthroplasty could make perioperative management more effective. Here we examined whether disease activity is associated with risk of such complications. They retrospectively analyzed data for 337 rheumatoid arthritis patients at our medical center who underwent primary total hip arthroplasty. Rheumatoid arthritis patients were categorized according to the simplified disease activity index (SDAI), the values of which at admission and follow-up were averaged together. Logistic regression was used to examine associations of mean SDAI with rates of dislocation, infection, periprosthetic fracture and aseptic loosening. As controls, 337 osteoarthritis patients who did not have systemic inflammation and who underwent the same procedure were matched across numerous clinicodemographic variables.Results: Among the 337 rheumatoid arthritis patients, 38 (11.3%) had postoperative complications, the rates of which varied significantly from 0 to 17.5% (p = 0.003) among the four subgroups whose disease activity based on mean SDAI was categorized as high, moderate, low or in remission. Each 1-unit increase in mean SDAI was associated with a significant increase in risk of postoperative complications (OR 1.015, 95% CI 1.001–1.029, p = 0.035). Across all rheumatoid arthritis patients, rate of complications did not differ significantly between patients who received disease-modifying anti-rheumatic drugs or other treatments. Rates of dislocation, of infection or of all postoperative complications combined were significantly lower among osteoarthritis controls than among rheumatoid arthritis patients. Greater mean SDAI is associated with higher risk of dislocation, infection and composite postoperative complications after total hip arthroplasty in rheumatoid arthritis patients. These patients show a significantly higher rate of postoperative complications than osteoarthritis patients, likely reflecting the influence of systemic inflammation. Disease activity should be reduced as much as possible in rheumatoid arthritis patients before they undergo total hip arthroplasty.
Reference:
Lai, Y., Tang, H., Ding, Z. et al. Association between disease activity of rheumatoid arthritis and risk of complications following total hip arthroplasty: a retrospective cohort study. J Orthop Surg Res 19, 455 (2024). https://doi.org/10.1186/s13018-024-04924-4
Keywords:
Journal of Orthopaedic Surgery and Research, Lai, Y., Tang, H., Ding, Z, Rheumatoid arthritis, Activity, Complication, Total hip arthroplasty
Dr. Shravani Dali has completed her BDS from Pravara institute of medical sciences, loni. Following which she extensively worked in the healthcare sector for 2+ years. She has been actively involved in writing blogs in field of health and wellness. Currently she is pursuing her Masters of public health-health administration from Tata institute of social sciences. She can be contacted at editorial@medicaldialogues.in.