Vasculitis & polymyalgia rheumatica

Clinical value of diagnosing ischaemic stroke in patients with Takayasu's arteritis combining multiple arterial occlusion and high-grade enhancement

Clin Exp RheumatolPublished Retrospective cohort study

Authors' conclusion

A higher number of cervical artery occlusions and high-grade enhancement (grade ≥2) are independent risk factors for ischaemic stroke in patients with TAK.

Study context

Population
Patients with TAK who underwent vascular US and contrast-enhanced US on admission
Participants
80 patients
Outcome
Ischaemic stroke and its independent US-related risk factors
Methodological detailsmultiple logistic regression, net reclassification and integrated discrimination improvement indices
  • Multiple logistic regression
  • Net reclassification and integrated discrimination improvement indices

Main finding

As reported in the abstract

Independent factors for ischaemic stroke (multivariate analysis)

Ischaemic stroke prevalence

22

27.5%

Number of occluded arteries, OR

2.01

p=0.005

High-grade enhancement (grade ≥2), OR

6.52

p=0.016

Revascularisation, OR

0.05

p=0.002

Observational data: associations, not effects.

Further findings

Infarction territory among patients with ischaemic stroke

Anterior circulation infarction
14
Posterior circulation infarction
2
Both
6

AUC: number of occluded arteries (≥3) and high-grade enhancement (grade ≥2) identify patients with TAK at high risk for ischaemic stroke

Number of occluded arteries (≥3) and high-grade enhancement (grade ≥2) can identify high-risk patients

Original publication

Clinical value of diagnosing ischaemic stroke in patients with Takayasu's arteritis combining multiple arterial occlusion and high-grade enhancement. Clin Exp Rheumatol. Published 4 October 2024. doi:10.55563/clinexprheumatol/za3z36

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