Dr. Ariane Mackey is a neurologist specializing in cerebrovascular diseases at the CHU of Quebec and Associate Professor of Medicine at Laval University. She is the Director of the Neurovascular Research Center, which consists of a team of neurologists specializing in cerebrovascular diseases, Dr. Steve Verreault and Dr. Marie-Christine Camden, as well as research nurses.

As a clinician and local principal investigator or co-investigator, she is actively involved in the review, as well as the implementation of large-scale multicentre clinical studies, either in the acute phase of ischemic or hemorrhagic stroke, as well as in secondary prevention, including carotid stenosis. The results of these studies sometimes lead to the rapid modification of practical guides on certain subjects, such as the CREST study which compared carotid endarterectomy to carotid stenting for patients with symptomatic or asymptomatic carotid stenosis. This study has shown that stent revascularization resulted in slightly more periprocedural stroke, while endarterectomy resulted in slightly more myocardial infarction. However, both procedures were found to be equally safe. It was also demonstrated, in agreement with other studies, that beyond 70 years of age, endarterectomy was the procedure of choice whereas, below 70 years of age, the stent was a very good option. The currently ongoing study on carotid stenosis is CREST 2; the goal is to demonstrate that maximal or even aggressive medical treatment would be as effective as stent or surgical revascularization in patients with asymptomatic severe stenosis.

The other main studies in progress concern patients who had a cryptogenic stroke, that is to say without a proven source of embolism, where we compare a direct anticoagulant versus aspirin alone. This aims to demonstrate whether a direct anticoagulant is more effective in preventing recurrence, while remaining safe in terms of the risk of bleeding.

The neurovascular team also participates in acute phase clinical trials of ischemic stroke with TNKase, as well as in a study to demonstrate the efficacy of a neuroprotective as adjunctive therapy to mechanical thrombectomy.

1401, 18e Rue
Z 254
Québec, Québec
Canada G1J 1Z4
+1 418-649-5892+1 418-649-5896
ariane.mackey@chudequebec...

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Benali F, Singh N, Fladt J, Jaroenngarmsamer T, Bala F, Ospel JM, Buck BH, Dowlatshahi D, Field TS, Hanel RA, Peeling L, Tymianski M, Hill MD, Goyal M, Ganesh A,

Mediation of Age and Thrombectomy Outcome by Neuroimaging Markers of Frailty in Patients With Stroke

Journal Article

JAMA Netw Open, 7 (1), 2024.

Abstract | Links:

Kamel H, Longstreth WT, Tirschwell DL, Kronmal RA, Marshall RS, Broderick JP, Plummer P, Sabagha N, Pauls Q, Cassarly C, Dillon CR, Di Tullio MR, Hod EA, Soliman EZ, Gladstone DJ, Healey JS, Sharma M, Chaturvedi S, Janis LS, Krishnaiah B, Nahab F, Kasner SE, Stanton RJ, Kleindorfer DO, Starr M, Winder TR, Clark WM, Miller BR, Elkind MSV,

Apixaban to Prevent Recurrence After Cryptogenic Stroke in Patients With Atrial Cardiopathy: The ARCADIA Randomized Clinical Trial

Journal Article

JAMA, 331 (7), 2024.

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Abdulaziz KE, Taljaard M, Dowlatshahi D, Stiell IG, Wells GA, Sivilotti MLA, Émond M, Sharma M, Stotts G, Lee J, Worster A, Morris J, Cheung KW, Jin AY, Sahlas DJ, Murray HE, MacKey A, Verreault S, Camden MC, Yip S, Teal P, Gladstone DJ, Boulos MI, Chagnon N, Shouldice E, Atzema CL, Slaoui T, Teitlebaum J, Perry JJ

Derivation of a clinical prediction score for the diagnosis of clinically significant symptomatic carotid artery disease

Journal Article

CJEM, 2024.

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Wilson G, Sharma M, Eagles D, Nemnom MJ, Sivilotti MLA, Émond M, Stiell IG, Stotts G, Lee J, Worster A, Morris J, Cheung KW, Jin AY, Oczkowski WJ, Sahlas DJ, Murray HE, Mackey A, Verreault S, Camden MC, Yip S, Teal P, Gladstone DJ, Boulos MI, Chagnon N, Shouldice E, Atzema C, Slaoui T, Teitlebaum J, Wells GA, Nath A, Perry JJ

Ninety-Day Stroke or Transient Ischemic Attack Recurrence in Patients Prescribed Anticoagulation in the Emergency Department With Atrial Fibrillation and a New Transient Ischemic Attack or Minor Stroke

Journal Article

J Am Heart Assoc, 12 (8), 2023.

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Ferguson E, Yadav K, Sharma M, Sivilotti MLA, Émond M, Stiell IG, Stotts G, Lee JS, Worster A, Morris J, Cheung KW, Jin AY, Oczkowski WJ, Sahlas DJ, Murray HE, Mackey A, Verreault S, Camden MC, Yip S, Teal P, Gladstone DJ, Boulos MI, Chagnon N, Shouldice E, Atzema C, Slaoui T, Teitelbaum J, Nemnom MJ, Wells GA, Nath A, Perry JJ

Prospective Validation of Computed Tomography to Identify Patients at High Risk for Stroke After Transient Ischemic Attack or Minor Stroke

Journal Article

Stroke, 54 (4), 2023.

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Bery AK, Sharma M, Nemnom MJ, Johns P, Lelli DA, Sivilotti MLA, Émond M, Stiell IG, Stotts G, Lee J, Worster A, Morris J, Cheung KW, Jin AY, Oczkowski WJ, Sahlas DJ, Murray HE, Mackey A, Verreault S, Camden MC, Yip S, Teal P, Gladstone DJ, Boulos MI, Chagnon N, Shouldice E, Atzema C, Slaoui T, Teitelbaum J, Wells GA, Perry JJ

Risk of stroke is low after transient ischemic attack presentation with isolated dizziness

Journal Article

CJEM, 24 (8), 2022.

Abstract | Links:

Yu AYX, Hill MD, Asdaghi N, Boulanger JM, Camden MC, Campbell BCV, Demchuk AM, Field TS, Goyal M, Krause M, Mandzia J, Menon BK, Mikulik R, Moreau F, Penn AM, Swartz RH, Coutts SB,

Sex Differences in Diagnosis and Diagnostic Revision of Suspected Minor Cerebral Ischemic Events

Journal Article

Neurology, 96 (5), 2021.

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Perry JJ, Sivilotti MLA, Émond M, Stiell IG, Stotts G, Lee J, Worster A, Morris J, Cheung KW, Jin AY, Oczkowski WJ, Sahlas DJ, Murray HE, Mackey A, Verreault S, Camden MC, Yip S, Teal P, Gladstone DJ, Boulos MI, Chagnon N, Shouldice E, Atzema C, Slaoui T, Teitlebaum J, Abdulaziz K, Nemnom MJ, Wells GA, Sharma M

Prospective validation of Canadian TIA Score and comparison with ABCD2 and ABCD2i for subsequent stroke risk after transient ischaemic attack: multicentre prospective cohort study

Journal Article

BMJ, 372 , 2021.

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Nogueira RG, Qureshi MM, Abdalkader M, Martins SO, Yamagami H, Qiu Z, Mansour OY, Sathya A, Czlonkowska A, Tsivgoulis G, Aguiar de Sousa D, Demeestere J, Mikulik R, Vanacker P, Siegler JE, Kõrv J, Biller J, Liang CW, Sangha NS, Zha AM, Czap AL, Holmstedt CA, Turan TN, Ntaios G, Malhotra K, Tayal A, Loochtan A, Ranta A, Mistry EA, Alexandrov AW, Huang DY, Yaghi S, Raz E, Sheth SA, Mohammaden MH, Frankel M, Bila Lamou EG, Aref HM, Elbassiouny A, Hassan F, Menecie T, Mustafa W, Shokri HM, Roushdy T, Sarfo FS, Alabi TO, Arabambi B, Nwazor EO, Sunmonu TA, Wahab K, Yaria J, Mohammed HH, Adebayo PB, Riahi AD, Sassi SB, Gwaunza L, Ngwende GW, Sahakyan D, Rahman A, Ai Z, Bai F, Duan Z, Hao Y, Huang W, Li G, Li W, Liu G, Luo J, Shang X, Sui Y, Tian L, Wen H, Wu B, Yan Y, Yuan Z, Zhang H, Zhang J, Zhao W, Zi W, Leung TW, Chugh C, Huded V, Menon B, Pandian JD, Sylaja PN, Usman FS, Farhoudi M, Hokmabadi ES, Horev A, Reznik A, Sivan Hoffmann R, Ohara N, Sakai N, Watanabe D, Yamamoto R, Doijiri R, Tokuda N, Yamada T, Terasaki T, Yazawa Y, Uwatoko T, Dembo T, Shimizu H, Sugiura Y, Miyashita F, Fukuda H, Miyake K, Shimbo J, Sugimura Y, Yagita Y, Takenobu Y, Matsumaru Y, Yamada S, Kono R, Kanamaru T, Yamazaki H, Sakaguchi M, Todo K, Yamamoto N, Sonoda K, Yoshida T, Hashimoto H, Nakahara I, Kondybayeva A, Faizullina K, Kamenova S, Zhanuzakov M, Baek JH, Hwang Y, Lee JS, Lee SB, Moon J, Park H, Seo JH, Seo KD, Sohn SI, Young CJ, Ahdab R, Wan Zaidi WA, Aziz ZA, Basri HB, Chung LW, Ibrahim AB, Ibrahim KA, Looi I, Tan WY, Yahya NW, Groppa S, Leahu P, Al Hashmi AM, Imam YZ, Akhtar N, Pineda-Franks MC, Co CO, Kandyba D, Alhazzani A, Al-Jehani H, Tham CH, Mamauag MJ, Venketasubramanian N, Chen CH, Tang SC, Churojana A, Akil E, Aykaç Ö, Ozdemir AO, Giray S, Hussain SI, John S, Le Vu H, Tran AD, Nguyen HH, Nhu Pham T, Nguyen TH, Nguyen TQ, Gattringer T, Enzinger C, Killer-Oberpfalzer M, Bellante F, De Blauwe S, Vanhooren G, De Raedt S, Dusart A, Lemmens R, Ligot N, Pierre Rutgers M, Yperzeele L, Alexiev F, Sakelarova T, Bedeković MR, Budincevic H, Cindric I, Hucika Z, Ozretic D, Saric MS, Pfeifer F, Karpowic I, Cernik D, Sramek M, Skoda M, Hlavacova H, Klecka L, Koutny M, Vaclavik D, Skoda O, Fiksa J, Hanelova K, Nevsimalova M, Rezek R, Prochazka P, Krejstova G

Global Impact of COVID-19 on Stroke Care and IV Thrombolysis

Journal Article

Neurology, 96 (23), 2021.

Abstract | Links:

Cortel-LeBlanc MA, Sharma M, Cortel-LeBlanc A, Sivilotti MLA, Émond M, Stiell IG, Stotts G, Lee J, Worster A, Morris J, Cheung KW, Jin AY, Oczkowski WJ, Sahlas DJ, Murray HE, Mackey A, Verreault S, Camden MC, Yip S, Teal P, Gladstone DJ, Boulos MI, Chagnon N, Shouldice E, Atzema C, Slaoui T, Teitelbaum J, Abdulaziz KE, Wells GA, Taljaard M, Perry JJ

Predictors of neurologists confirming or overturning emergency physicians' diagnosis of TIA or stroke

Journal Article

CJEM, 23 (6), 2021.

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54 entries « ‹ 1 of 6 › »
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Recently finished projects

  • Carotid Revascularization and Medical Management for Asymptomatic Carotid Stenosis Trial (CREST-2), from 2015-03-01 to 2024-08-31
Data provided by the Université Laval research projects registery