Vasculitis & polymyalgia rheumatica

Invisible neuropsychiatric burden in Behçet's disease without central nervous system involvement: a phenotype-based comparison

Clin Exp RheumatolPublished cross-sectional, single-centre study

Authors' conclusion

Neuropsychiatric manifestations represent a substantial burden in BD even in the absence of overt neurological involvement, particularly in mBD with less control of inflammation and regular follow-up. These findings support the need for routine neuropsychiatric evaluation across all BD phenotypes, extending beyond the traditional NBD framework.

Study context

Population
Patients with Behçet's disease classified by phenotype, familial mediterranean fever patients and healthy controlspatients with Behçet's disease (BD), plus familial mediterranean fever (FMF) patients (n=37) and healthy controls (n=29)
Participants
152 patients
Exposure
BD phenotypes compared with neuro-Behçet's disease (NBD), FMF and healthy controls
  • mBDn = 69
  • oBDn = 26
  • vBDn = 40
  • NBDn = 17
  • FMFn = 37
  • Healthy controls (HC)n = 29
Outcome
Any headache

Main finding

As reported in the abstract

p across groups
P = 0.012

Observational data: associations, not effects.

Further findings

OutcomeValues
BDI scores (depressive symptoms)mBD 14 · vBD 13.5 · NBD 11 · FMF 9 · HC 7
Cognitive impairment (MMSE ≤23)mBD 41.2% · NBD 41.2% · vBD 15.0% · FMF 10.8% · HC 24.1%
Beck Depression Inventory (BDI) scores (depressive symptoms) — p across groups
p=0.005
Cognitive impairment (Mini-Mental State Examination (MMSE) ≤23) — p across groups
p=0.001

Migraine-type headache

Most frequent subtype across groups

Beck Anxiety Inventory (BAI) scores

Did not differ significantly but tended to be higher in mBD

Original publication

Invisible neuropsychiatric burden in Behçet's disease without central nervous system involvement: a phenotype-based comparison. Clin Exp Rheumatol. Published 26 October 2026. doi:10.55563/clinexprheumatol/leo5kr

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