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ANCA vasculitis in the elderly.

Deana D Hoganson1, Aaron M From, Clement J Michet

  • 1Department of Internal Medicine, Mayo Clinic and Foundation, Rochester, Minnesota 55905, USA. hoganson.deana@mayo.edu

Journal of Clinical Rheumatology : Practical Reports on Rheumatic & Musculoskeletal Diseases
|April 9, 2008
PubMed
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ANCA-associated vasculitis (AAV) is increasing in older adults. Patients over 75 with AAV face higher mortality, especially with kidney involvement, with a greater risk of death within six months of diagnosis.

Area of Science:

  • Rheumatology
  • Internal Medicine
  • Clinical Epidemiology

Background:

  • Incidence of ANCA-associated vasculitides (AAV) is rising, particularly in middle-aged and older populations.
  • Clinical features and outcomes in the very elderly (≥75 years) with AAV remain under-investigated.

Purpose of the Study:

  • To elucidate the clinical characteristics and outcomes of AAV in patients aged 75 years and older.
  • To compare the presentation and mortality of AAV in elderly versus younger patient cohorts.

Main Methods:

  • Retrospective review of patients diagnosed with Wegener granulomatosis or microscopic polyangiitis.
  • Analysis of demographic data, time to diagnosis, initial laboratory values, and Birmingham Vasculitis Activity Score (BVAS).

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Main Results:

  • Elderly patients (≥75 years) were more frequently female, presented with fewer ENT symptoms, and had lower hemoglobin levels.
  • Mortality was significantly higher in older patients (40%) compared to younger cohorts (11%), with nearly half of deceased elderly patients dying within 6 months.
  • Advanced age (≥75) and elevated serum creatinine were independent predictors of mortality; BVAS >20 also correlated with worse survival.

Conclusions:

  • While clinical presentation is similar, AAV in patients ≥75 years is associated with substantially higher mortality.
  • Renal involvement is a key factor contributing to increased mortality in elderly AAV patients.
  • Elderly patients diagnosed with AAV face an elevated risk of death within the first six months post-diagnosis.