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[Septic musculoskeletal complications under immunomodulating treatment]

Anna Kernder1, Christian Kneitz2

  • 1Rheumazentrum Ruhrgebiet am Marienhospital Universitätsklinik, Ruhr-Universität Bochum, Claudiusstr. 45, 44649, Herne, Deutschland. anna.kernder@elisabethgruppe.de.

Zeitschrift Fur Rheumatologie
|January 6, 2025
PubMed

Insights

Patients with inflammatory rheumatic diseases, particularly rheumatoid arthritis (RA), face a higher risk of musculoskeletal infections like septic arthritis. Immunosuppressive treatments and disease activity are key contributing factors.

Area of Science:

  • Rheumatology
  • Infectious Diseases
  • Immunology

Context:

  • Patients with inflammatory rheumatic diseases, including rheumatoid arthritis (RA), experience significant morbidity and mortality from infections.
  • Musculoskeletal infections, such as septic arthritis and prosthesis infections, are a relevant concern in RA patients.
  • Multiple factors contribute to infection risk, including immunosuppressive therapy, joint procedures, structural damage, and comorbidities.

Purpose:

  • To outline the multifactorial causes of increased infection risk in rheumatoid arthritis (RA) patients.
  • To identify specific risk factors associated with septic arthritis and periprosthetic joint infections in RA.
  • To highlight the role of certain medications and disease activity in infection susceptibility.

Summary:

  • Rheumatoid arthritis (RA) patients have an elevated risk of septic arthritis and prosthesis infections due to factors like immunosuppression, joint punctures, surgery, structural damage, and comorbidities.
  • Glucocorticoids and TNF-alpha inhibitors, particularly early in treatment, increase the risk of these infections.
  • Increased disease activity and rare pathogens (e.g., Candida, mycobacteria) under immunosuppression require consideration, especially with poor antibiotic response.

Impact:

  • Informing clinical practice to better manage infection risks in RA patients.
  • Guiding preventative strategies and early diagnostic approaches for musculoskeletal infections in this population.
  • Enhancing patient outcomes by addressing the complex interplay of disease, treatment, and infection susceptibility.
Keywords:
Disease-modifying antirheumatic drugsImmunosuppressionInfectionInflammatory rheumatic diseasesSeptic arthritis

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