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. 2015 Aug 16:13:267.
doi: 10.1186/s12967-015-0630-x.

Platelets, gender and acute cerebral infarction

Petter Järemo  1 , Marie Eriksson-Franzen  2 , Micha Milovanovic  3
Affiliations

Platelets, gender and acute cerebral infarction

Petter Järemo et al. J Transl Med. .

Abstract

Objective: Platelets may well be significant in the pathogenesis of cerebral infarction. Platelets vary substantially according to gender. The scope of our current work is to establish if female and male stroke sufferers differ regarding platelet reactivity.

Patients and methods: 73 Consecutive individuals stricken by acute ischemic cerebral infarction (31 females, 42 males) participated. All stroke subtypes were included. Platelet counts was determined electronically. Platelet reactivity i.e. the presence of surface-bound fibrinogen following provocation was analyzed with a flow cytometer. ADP (1.7 μmol/L) and a thrombin receptor agonist (TRAP-6) (57 μmol/L) were the agonists used.

Results: Female stroke sufferers had higher platelet counts (p = 0.013) but their platelets were less reactive. The p values were (p = 0.038) and (p = 0.016) for ADP and TRAP-6, respectively.

Conclusion: The current study demonstrates that women suffering acute cerebral infarction have less reactive platelets. It is concluded that gender affects platelets. Our study indicates that it may be beneficial to individualize platelet inhibition of stroke sufferers according to gender.

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