Vasculitis & polymyalgia rheumatica

Dental infection is associated with early relapse in patients with ANCA-associated vasculitis

RMD OpenPublished Retrospective cohort study

Main finding · Composite of relapse or all-cause mortalityResult — go to the resultAdjusted hazard ratio 3.78 95% CI 1.13–12.66

Authors' conclusion

Severe dental infections were associated with increased risk of early relapse or mortality in AAV.

Study context

Population
Patients newly diagnosed with antibody-associated vasculitis (AAV) between January 2011 and July 2022 (median age 74 years)
Participants
93 patients
Exposure
Severe dental infection vs no severe dental infection
  • Dental infectionn = 41
Outcome
Vasculitis relapse or all-cause mortality
Follow-up
Within 1 year of treatment initiation
Methodological detailsCox proportional hazards models
  • Cox proportional hazards models

Main finding

Composite of:

  • Relapse
  • All-cause mortality
· 1 year

Adjusted hazard ratio

3.78

95% CI 1.13–12.66

P = 0.031

Dental infectionvs Control
aHR 3.78 (95% CI 1.13–12.66); P = 0.031

As reported in the abstract

Observational data: associations, not effects.

Further findings

Composite events in whole cohort · 1-year follow-up

Relapses
13
Deaths
2
Composite event rate per 100 person-years
20.9

Composite outcome by tooth extraction among patients with dental infections (exploratory)

Composite outcome rates similar regardless of tooth extraction
  • Exploratory analysis

Original publication

Dental infection is associated with early relapse in patients with ANCA-associated vasculitis. RMD Open. Published 17 February 2026. doi:10.1136/rmdopen-2025-006392

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