Dual Antiplatelet Therapy in Ischemic Stroke Prevention: Which Two Could Be Better than One?

2021 ◽  
Vol 23 (12) ◽  
Author(s):  
Gabriela Trifan ◽  
Fernando D. Testai ◽  
Philip B. Gorelick
2020 ◽  
Vol 36 (4) ◽  
Author(s):  
Xuewen Wo ◽  
Jinyan Han ◽  
Jiajia Wang ◽  
Xinmin Wang ◽  
Xiaoying Liu ◽  
...  

Objective: To observe the clinical efficacy of sequential butylphthalide therapy combined with dual antiplatelet therapy in the treatment of elderly patients with acute cerebral infarction (ACI). Methods: One hundred and twenty-two elderly patients with ACI who were admitted to the department of neurology of our hospital at May 2016-August 2018 were selected grouped into a control group and an observation group by random number table method, 61 in each group. On the basis of conventional treatment, the patients in the control group were given dual antiplatelet therapy (aspirin enteric-coated tablets + clopidogrel bisulfate tablets), while the patients in the observation group were given sequential butylphthalide therapy on the basis of the control group. The clinical effects of the two groups were compared after four weeks of treatment, and the changes of National Institutes of Health Stroke Scale (NIHSS), ADL score, plasma 3-mercaptopyruvate sulphurtransferase (3-MST) and Amyloid β42 (Aβ42) levels and the occurrence of adverse reactions during treatment were recorded. Results: The clinical efficacy of the observation group was better than that of the control group (P<0.05). There was no significant difference in NIHSS and ADL scores between the two groups before treatment (P>0.05). After treatment, the NIHSS and ADL scores of the observation group were better than those of the control group (P<0.05). There was no significant difference in plasma levels of 3-MST and AB42 between the two groups before treatment (P>0.05). The level of plasma 3-MST in the observation group was higher than that in the control group, and the level of plasma Aβ42 was lower than that in the control group (P<0.05). No serious adverse reactions occurred during the treatment period in both groups. Conclusion: Butylphthalide sequential therapy combined with dual antiplatelet therapy is effective in the treatment of elderly ACI. It can effectively improve the plasma level of 3-MST and decrease the plasma level of Aβ42, which is conducive to improving the living ability and neurological function of patients and has high safety. doi: https://doi.org/10.12669/pjms.36.4.1831 How to cite this:Wo X, Han J, Wang J, Wang X, Liu X, Wang Z. Sequential butylphthalide therapy combined with dual antiplatelet therapy in the treatment of acute cerebral infarction. Pak J Med Sci. 2020;36(4):---------. doi: https://doi.org/10.12669/pjms.36.4.1831 This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Stroke ◽  
2020 ◽  
Vol 51 (Suppl_1) ◽  
Author(s):  
Brett L Cucchiara ◽  
Jordan Elm ◽  
J Donald Easton ◽  
Shelagh Coutts ◽  
Joshua Willey ◽  
...  

Background and Purpose: To assess the effect of combination antiplatelet therapy with aspirin and clopidogrel versus aspirin alone on disability following TIA or minor stroke and to identify factors associated with disability. Methods: The POINT trial randomized patients with TIA or minor stroke (NIHSS≤3) within 12 hours of onset to dual antiplatelet therapy (DAPT) with aspirin plus clopidogrel versus aspirin alone. The primary outcome measure was a composite of stroke, MI, or vascular death. We performed a post-hoc exploratory analysis to examine the effect of treatment on overall disability (defined as mRS>1) at 90 days as well as disability ascribed by the local investigator to index or recurrent stroke. We also evaluated predictors of disability. Results: At 90 days, 188/1964 (9.6%) of patients enrolled with TIA and 471/2586 (18.2%) of those enrolled with stroke were disabled. Overall disability was similar between patients assigned DAPT versus aspirin alone (14.7% vs. 14.3%, OR 0.97, 95%CI 0.82-1.14, p=0.69). However, there were numerically fewer patients with disability in conjunction with a primary outcome event in the DAPT arm (3.0% vs. 4.0%, OR 0.73, 95%CI 0.53-1.01, p=0.06), and significantly fewer patients in the DAPT arm with disability attributed by the investigators to either the index event or recurrent stroke (5.9% vs. 7.4%, OR 0.78, 95% CI 0.62-0.99, p=0.04). Notably, disability attributed to the index event accounted for the majority of this difference (4.5% vs. 6.0%, OR 0.74 95% CI 0.57-0.96, p=0.02). In multivariate analysis of patients enrolled with TIA, disability was significantly associated with age, subsequent ischemic stroke, serious adverse events, and major bleeding. In patients enrolled with stroke, disability was associated with female sex, hypertension, diabetes, NIHSS score, recurrent ischemic stroke, subsequent myocardial infarction, and serious adverse events. Conclusions: In addition to reducing recurrent stroke in patients with acute minor stroke and TIA, dual antiplatelet therapy might reduce stroke-related disability.


Stroke ◽  
2020 ◽  
Vol 51 (Suppl_1) ◽  
Author(s):  
Ying Xian ◽  
Peter Shrader ◽  
Eric Smith ◽  
Gregg C Fonarow ◽  
Deepak L Bhatt ◽  
...  

Background: The recommendations for dual antiplatelet (DAPT aspirin + clopidogrel) for secondary stroke prevention has evolved over time. Following the publication of CHANCE trial (07/2013), the AHA/ASA updated the DAPT recommendations from Class III harm (10/2010) for patient with noncardioembolic ischemic stroke, to Class IIb benefit ≥ risk (02/2014), and Class IIa benefit >> risk (03/2018) for a subgroup of patients with minor stroke (NIHSS≤3). Subsequent to the last guideline update, the POINT trial (05/2018) provided further support for the effectiveness of DAPT. Methods: We evaluated antiplatelet prescription patterns of 1,024,074 noncardioembolic ischemic stroke survivors (median age 65 years and 46% women) eligible for antiplatelet therapy (no contraindications) and discharged from the Get With The Guidelines-Stroke Hospitals between Q1 2011 and Q1 2019. Results: Baseline patient characteristics were similar within the four periods: pre-CHANCE (01/2011-07/2013), pre-2014 guideline update (08/2013-02/2014), pre-POINT/2018 guideline update (03/2014-05/2018), and post-POINT (06/2018-03/2019). Use of DAPT gradually increased from 16.7% in the pre-CHANCE period, to 19.4% pre-2014 guideline update, 23.3% pre-POINT/2018 guideline update, and 29.8% post-POINT period (p<0.001, Figure). Yet increase in DAPT use was observed over time for individuals with NIHSS≤3 (17.1%, 19.9%, 24.1%, and 31.4%, p<0.001) and those with NIHSS>3 (18.7%, 22.8%, 28.3%, and 28.3%, p<0.001). Conclusions: A sustained increase in DAPT use for secondary stroke prevention was observed after publication of pivotal trials and AHA guideline updates. While recommended for minor strokes or TIA only, such increase was also observed in ischemic stroke patients with NIHSS>3, where the risk-benefit ratio of DAPT remains to be established.


2019 ◽  
Vol 71 (6) ◽  
Author(s):  
Jodi R DeGrote ◽  
Elizabeth M Olafson ◽  
Alexander Drofa ◽  
Evgueni Kouznetzov ◽  
Michael Manchak ◽  
...  

<p><strong>ABSTRACT</strong><br /><strong></strong></p><p><strong>Background:</strong> Dual antiplatelet therapy with acetylsalicylic acid (ASA) and a P2Y12-receptor antagonist is often used to prevent thrombotic complications after placement of a Pipeline embolization device (PED) for cerebral aneurysm. Although clopidogrel is common in this setting, high rates of nonresponse to this drug have made ticagrelor a potentially attractive alternative. <br /><strong></strong></p><p><strong>Objective:</strong> To describe safety and efficacy outcomes for ticagrelor following PED placement, including measurement of platelet function.<br /><strong></strong></p><p><strong>Methods:</strong> A retrospective analysis of data was completed for patients who underwent PED placement for cerebral aneurysm at a single centre between November 2015 and March 2017, with subsequent prescription of ticagrelor and ASA as dual antiplatelet therapy. The primary end point was any ischemic stroke or death within 1 year after the procedure. Intracranial hemorrhage was a secondary end point. Additionally, measurement of and values for platelet reactivity units (PRUs) during receipt of ticagrelor and ASA were evaluated.<br /><strong></strong></p><p><strong>Results:</strong> A total of 29 patients were included in this retrospective study. One patient experienced ischemic stroke 226 days after placement of the PED. In addition, 3 patients died during the 1-year follow-up period for causes unrelated to stroke or bleeding complications. No cases of intra -cranial hemorrhage were observed. Samples for measurement of P2Y12 levels were drawn at the discretion of the neurointerventionalists, and the PRU value was measured at least once for 28 (97%) of the 29 patients. The mean number of PRU measurements per patient after initiation of ticagrelor was 2.1 (standard deviation [SD] 1). Mean PRU value after initiation of ticagrelor was 65 (SD 57). <br /><strong></strong></p><p><strong>Conclusions:</strong> In this case series describing the use of ticagrelor and ASA as dual antiplatelet therapy after PED placement for cerebral aneurysm, there was just one ischemic stroke, which occurred after the dual antiplatelet therapy had been discontinued. Further prospective trials are needed to describe the utility of ticagrelor use after PED placement, as well as its dosing and monitoring.</p><p><strong>RÉSUMÉ</strong></p><p><strong></strong><strong>Contexte :</strong> Une bithérapie antiplaquettaire composée d’acide acétylsali-cylique (AAS) et d’un inhibiteur du récepteur P2Y12 est fréquemment utilisée pour prévenir les complications thrombotiques après la mise en place d’un dispositif d’embolisation Pipeline pour traiter un anévrisme cérébral. Quoique le clopidogrel soit souvent utilisé dans ce contexte, des taux élevés d’absence de réponse à ce médicament ont fait du ticagrélor une solution de rechange potentiellement intéressante. <br /><strong></strong></p><p><strong>Objectif :</strong> Décrire les résultats relatifs à la sécurité et à l’efficacité du ticagrélor après la mise en place d’un dispositif d’embolisation, y compris l’analyse de la fonction plaquettaire.<br /><strong></strong></p><p><strong>Méthodes :</strong> Une analyse rétrospective de données a été réalisée dans un seul centre entre novembre 2015 et mars 2017 à l’aide des dossiers médicaux de patients chez qui a été posé un dispositif d’embolisation Pipeline comme traitement pour un anévrisme cérébral et à qui a ensuite été prescrite une bithérapie antiplaquettaire de ticagrélor et d’AAS. Le critère d’évaluation principal était les cas d’infarctus cérébral ou de décès durant l’année suivant l’opération. Les cas d’hémorragie intracrânienne ont servi de critère d’évaluation secondaire. De plus, l’analyse a porté sur l’évaluation de la réactivité plaquettaire et sa quantification en unités de réaction au P2Y12 pendant la prise de ticagrélor et d’AAS.<br /><strong></strong></p><p><strong>Résultats :</strong> Au total, 29 patients ont été admis à la présente étude rétrospective. Un patient a subi un infarctus cérébral 226 jours après la mise en place d’un dispositif d’embolisation Pipeline. De plus, 3 patients sont décédés au cours de la période de suivi d’un an en raison de causes sans lien avec des complications liées à un accident vasculaire cérébral ou à une hémorragie. Aucun cas d’hémorragie intracrânienne n’a été observé. Les échantillons destinés à la mesure des unités de réaction au P2Y12 ont été prélevés selon le jugement des neuro-intervenants et l’évaluation de la réactivité plaquettaire a été réalisée au moins une fois chez 28 (97 %) des 29 patients. Le nombre moyen de mesures des unités de réaction au P2Y12 par patient était de 2,1 (écart-type de 1). Après l’amorce d’un traitement par ticagrélor, le résultat moyen en unités de réaction au P2Y12 était de 65 (écart-type de 57).</p><p><strong>Conclusions :</strong> Dans la présente série de cas décrivant l’utilisation d’une bithérapie antiplaquettaire composée de ticagrélor et d’AAS après la mise en place d’un dispositif d’embolisation Pipeline comme traitement pour un anévrisme cérébral, seul un cas d’infarctus cérébral a été observé et il s’est produit après l’arrêt de la bithérapie antiplaquettaire. De plus amples études prospectives sont nécessaires pour décrire l’utilité et la posologie du ticagrélor ainsi que le suivi du traitement après la mise en place d’un dis-positif d’embolisation Pipeline.</p>


2020 ◽  
Vol 43 (2) ◽  
pp. 122-137
Author(s):  
Jessica Ringler ◽  
Mackenzie Steck ◽  
Samarth P. Shah ◽  
Katleen W. Chester

2015 ◽  
Vol 72 (19) ◽  
pp. 1623-1629 ◽  
Author(s):  
Kyle A. Davis ◽  
Marta A. Miyares ◽  
Eric Dietrich

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