Multifactorial Background for a Low Biological Response to Antiplatelet Agents Used in Stroke Prevention

Effective platelet inhibition is the main goal of the antiplatelet therapy recommended as a standard treatment in the secondary prevention of non-embolic ischemic stroke. Acetylsalicylic acid (aspirin) and clopidogrel are commonly used for this purpose worldwide. A low biological response to antipla...

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Main Author: Adam Wiśniewski
Format: Article
Language:English
Published: MDPI AG 2021-01-01
Series:Medicina
Subjects:
Online Access:https://www.mdpi.com/1010-660X/57/1/59
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author Adam Wiśniewski
author_facet Adam Wiśniewski
author_sort Adam Wiśniewski
collection DOAJ
description Effective platelet inhibition is the main goal of the antiplatelet therapy recommended as a standard treatment in the secondary prevention of non-embolic ischemic stroke. Acetylsalicylic acid (aspirin) and clopidogrel are commonly used for this purpose worldwide. A low biological response to antiplatelet agents is a phenomenon that significantly reduces the therapeutic and protective properties of the therapy. The mechanisms leading to high on-treatment platelet reactivity are still unclear and remain multifactorial. The aim of the current review is to establish the background of resistance to antiplatelet agents commonly used in the secondary prevention of ischemic stroke and to explain the possible mechanisms. The most important factors influencing the incidence of a low biological response were demonstrated. The similarities and the differences in resistance to both drugs are emphasized, which may facilitate the selection of the appropriate antiplatelet agent in relation to specific clinical conditions and comorbidities. Despite the lack of indications for the routine assessment of platelet reactivity in stroke subjects, this should be performed in selected patients from the high-risk group. Increasing the detectability of low antiaggregant responders, in light of its negative impact on the prognosis and clinical outcomes, can contribute to a more individualized approach and modification of the antiplatelet therapy to maximize the therapeutic effect in the secondary prevention of stroke.
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spelling doaj.art-bc0b45b9392a4217bdfd8adab3685da32023-09-02T02:28:40ZengMDPI AGMedicina1010-660X2021-01-0157595910.3390/medicina57010059Multifactorial Background for a Low Biological Response to Antiplatelet Agents Used in Stroke PreventionAdam Wiśniewski0Department of Neurology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Skłodowskiej 9 Street, 85-094 Bydgoszcz, PolandEffective platelet inhibition is the main goal of the antiplatelet therapy recommended as a standard treatment in the secondary prevention of non-embolic ischemic stroke. Acetylsalicylic acid (aspirin) and clopidogrel are commonly used for this purpose worldwide. A low biological response to antiplatelet agents is a phenomenon that significantly reduces the therapeutic and protective properties of the therapy. The mechanisms leading to high on-treatment platelet reactivity are still unclear and remain multifactorial. The aim of the current review is to establish the background of resistance to antiplatelet agents commonly used in the secondary prevention of ischemic stroke and to explain the possible mechanisms. The most important factors influencing the incidence of a low biological response were demonstrated. The similarities and the differences in resistance to both drugs are emphasized, which may facilitate the selection of the appropriate antiplatelet agent in relation to specific clinical conditions and comorbidities. Despite the lack of indications for the routine assessment of platelet reactivity in stroke subjects, this should be performed in selected patients from the high-risk group. Increasing the detectability of low antiaggregant responders, in light of its negative impact on the prognosis and clinical outcomes, can contribute to a more individualized approach and modification of the antiplatelet therapy to maximize the therapeutic effect in the secondary prevention of stroke.https://www.mdpi.com/1010-660X/57/1/59plateletsmolecular pathologyischemic strokeclopidogrelaspirinresistance
spellingShingle Adam Wiśniewski
Multifactorial Background for a Low Biological Response to Antiplatelet Agents Used in Stroke Prevention
Medicina
platelets
molecular pathology
ischemic stroke
clopidogrel
aspirin
resistance
title Multifactorial Background for a Low Biological Response to Antiplatelet Agents Used in Stroke Prevention
title_full Multifactorial Background for a Low Biological Response to Antiplatelet Agents Used in Stroke Prevention
title_fullStr Multifactorial Background for a Low Biological Response to Antiplatelet Agents Used in Stroke Prevention
title_full_unstemmed Multifactorial Background for a Low Biological Response to Antiplatelet Agents Used in Stroke Prevention
title_short Multifactorial Background for a Low Biological Response to Antiplatelet Agents Used in Stroke Prevention
title_sort multifactorial background for a low biological response to antiplatelet agents used in stroke prevention
topic platelets
molecular pathology
ischemic stroke
clopidogrel
aspirin
resistance
url https://www.mdpi.com/1010-660X/57/1/59
work_keys_str_mv AT adamwisniewski multifactorialbackgroundforalowbiologicalresponsetoantiplateletagentsusedinstrokeprevention