Rheumatoid arthritis

Neuropathologic evaluation of cerebrovascular disease in patients with rheumatoid arthritis

Rheumatology (Oxford)Published Matched case–control autopsy study

Authors' conclusion

In this small series of autopsies, patients with and without RA had largely similar cerebrovascular pathology when controlling for neurodegenerative proteinopathies, although patients with RA exhibited more pronounced cerebrovascular disease in the basal ganglia.

Study context

Population
Autopsied patients with and without RA, with and without a neuropathologic diagnosis of neurodegenerative disease, 1994–2021matched autopsy series
Participants
32 vs 32
Comparison
RA vs non-RA controls
  • RAn = 32
  • Controlsn = 32reference
Outcome
Cerebrovascular disease severity (modified Kalaria and Strozyk scales)
Methodological detailsmatched on age, sex and level of neurodegenerative proteinopathy, autopsy series 1994–2021
  • Matched on age, sex and level of neurodegenerative proteinopathy
  • Autopsy series 1994–2021

Main finding

As reported in the abstract

Cerebrovascular pathology
  • Prevalence of cerebral amyloid angiopathy, microinfarcts, infarcts or strokes similar between groups
  • No significant differences in large infarcts, lacunar infarcts or leukoencephalopathy by Strozyk scale
  • RA vs Controls: P = 0.04

Further findings

Dementia diagnosed prior to death

Alzheimer's disease among those with dementia

RA without clinical dementia diagnosis

Majority had mild-moderate cerebrovascular abnormalities; a subset had Alzheimer's disease neuropathologic changes

Original publication

Neuropathologic evaluation of cerebrovascular disease in patients with rheumatoid arthritis. Rheumatology (Oxford). Published 23 October 2023. doi:10.1093/rheumatology/kead396

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