Preventing ischemic stroke in patients with large artery atherosclerosis is largely reliant on providers aggressively managing stroke risk factors, ensuring appropriate antithrombotic selection, and carefully selecting patients for revascularization.
Large artery atherosclerosis is a common cause of ischemic stroke and transient ischemic attack and represents a high-risk condition for recurrent strokes.
The incidence of stroke due to atherosclerosis is expected to continue increasing due to an aging population and high prevalence of poorly controlled risk factors.
Aggressive management of risk factors, including hypertension and hyperlipidemia, is identified as an essential component of managing patients with stroke or TIA due to large artery atherosclerosis.
Dual antithrombotic therapy for secondary stroke prevention is now recommended for more patients with large artery atherosclerosis than ever before.
The role of revascularization, particularly for asymptomatic carotid disease, continues to be explored in the context of improved medical management.
This research summary reviews what is currently known about preventing strokes caused by large artery atherosclerosis — a condition where fatty plaques build up in major blood vessels supplying the brain, blocking blood flow and causing strokes or 'mini-strokes' (transient ischemic attacks). The article emphasizes that this is a growing public health concern because populations are aging and many people have poorly controlled blood pressure and cholesterol, both of which accelerate plaque buildup. The review outlines three main pillars of stroke prevention for these patients: aggressively controlling risk factors like high blood pressure and high cholesterol, choosing the right blood-thinning medications (with dual antithrombotic therapy now being recommended for more patients than in the past), and carefully deciding which patients should undergo procedures to physically open or bypass blocked arteries. One particularly notable area of ongoing debate highlighted in this review is whether patients with blocked carotid arteries who have not yet had a stroke (so-called 'asymptomatic' disease) should undergo surgical or catheter-based procedures to clear the blockage, or whether improved medications alone are sufficient. This question is being reconsidered because today's medical treatments for stroke prevention are significantly better than they were when earlier surgical guidelines were established. This research suggests that stroke prevention in patients with atherosclerosis requires a multi-pronged approach, and that the standards for care are evolving — particularly around who benefits from blood vessel procedures versus medication alone. The findings underscore the importance of healthcare providers actively engaging in all three areas of management rather than relying on any single intervention.
Wabnitz A. (2026). Management of Large Artery Atherosclerosis.. Continuum (Minneapolis, Minn.). https://doi.org/10.1212/cont.0000000000001712