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Joint synovitis and tendon friction rubs (TFRs) predict systemic sclerosis (SSc) progression. These clinical signs aid in stratifying early SSc patient risk for better management.

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Area of Science:

  • Rheumatology
  • Immunology
  • Clinical Medicine

Background:

  • Systemic sclerosis (SSc) is a complex autoimmune disease characterized by fibrosis, vascular abnormalities, and immune dysregulation.
  • Early detection of disease progression is crucial for effective management and improved patient outcomes.

Purpose of the Study:

  • To investigate whether joint synovitis and tendon friction rubs (TFRs) can predict the progression of systemic sclerosis (SSc) over time.
  • To assess the utility of these clinical findings in risk stratification for early SSc patients.

Main Methods:

  • A prospective cohort study involving 1301 SSc patients from the EUSTAR database with disease duration ≤3 years.
  • Clinical examination for synovitis and TFRs at baseline, with a minimum follow-up of 2 years.
  • Outcomes included skin, cardiovascular, renal, and lung progression, with overall progression defined by at least one organ involvement.

Main Results:

  • Joint synovitis and TFRs were independently predictive of overall SSc disease progression.
  • Both synovitis and TFRs predicted skin progression (worsening of modified Rodnan skin score).
  • Synovitis predicted new digital ulcers and decreased left ventricular ejection fraction, while TFRs predicted scleroderma renal crisis.

Conclusions:

  • Joint synovitis and TFRs are significant independent predictors of disease progression in early SSc.
  • These easily detectable clinical markers can aid in the risk stratification of SSc patients.
  • The findings support the use of synovitis and TFRs in routine clinical assessment for early SSc management.