Platelet activation, function, and reactivity in atherosclerotic carotid artery stenosis: A systematic review of the literature

J. A. Kinsella, William Tobin, G. Hamilton, D. J H Mccabe

Research output: Contribution to journalReview article

9 Citations (Scopus)

Abstract

An important proportion of transient ischemic attack or ischemic stroke is attributable to moderate or severe (50-99%) atherosclerotic carotid stenosis or occlusion. Platelet biomarkers have the potential to improve our understanding of the pathogenesis of vascular events in this patient population. A detailed systematic review was performed to collate all available data on ex vivo platelet activation and platelet function/reactivity in patients with carotid stenosis. Two hundred thirteen potentially relevant articles were initially identified; 26 manuscripts met criteria for inclusion in this systematic review. There was no consistent evidence of clinically informative data from urinary or soluble blood markers of platelet activation in patients with symptomatic moderate or severe carotid stenosis who might be considered suitable for carotid intervention. Data from flow cytometry studies revealed evidence of excessive platelet activation in patients in the early, sub-acute, or late phases after transient ischemic attack or stroke in association with moderate or severe carotid stenosis and in asymptomatic moderate or severe carotid stenosis compared with controls. Furthermore, pilot data suggest that platelet activation may be increased in recently symptomatic than in asymptomatic severe carotid stenosis. Excessive platelet activation and platelet hyperreactivity may play a role in the pathogenesis of first or subsequent transient ischemic attack or stroke in patients with moderate or severe carotid stenosis. Larger longitudinal studies assessing platelet activation status with flow cytometry and platelet function/reactivity in symptomatic vs. asymptomatic carotid stenosis are warranted to improve our understanding of the mechanisms responsible for transient ischemic attack or stroke.

Original languageEnglish (US)
Pages (from-to)451-464
Number of pages14
JournalInternational Journal of Stroke
Volume8
Issue number6
DOIs
StatePublished - Aug 2013
Externally publishedYes

Fingerprint

Carotid Stenosis
Platelet Activation
Transient Ischemic Attack
Blood Platelets
Stroke
Flow Cytometry
Manuscripts
Blood Vessels
Longitudinal Studies
Biomarkers
Population

Keywords

  • Asymptomatic
  • Carotid stenosis
  • Platelet activation
  • Platelet reactivity
  • Symptomatic

ASJC Scopus subject areas

  • Neurology

Cite this

Platelet activation, function, and reactivity in atherosclerotic carotid artery stenosis : A systematic review of the literature. / Kinsella, J. A.; Tobin, William; Hamilton, G.; Mccabe, D. J H.

In: International Journal of Stroke, Vol. 8, No. 6, 08.2013, p. 451-464.

Research output: Contribution to journalReview article

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