Pekka J. Virtanen

Helsinki, Finland

Last Updated: 09/26/2026

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Found 38 publications

Role of Perfusion Parameters on Outcomes and Safety of Endovascular Therapy in Posterior Cerebral Artery Stroke.

Role of Perfusion Parameters on Outcomes and Safety of Endovascular Therapy in Posterior Cerebral Artery Stroke.

Journal: Stroke

Published: July 09, 2026

Role of Perfusion Parameters on Outcomes and Safety of Endovascular Therapy in Posterior Cerebral Artery Stroke.

Role of Perfusion Parameters on Outcomes and Safety of Endovascular Therapy in Posterior Cerebral Artery Stroke.

Journal: Stroke

Published: July 09, 2026

Outcomes of Witnessed Versus Unwitnessed Patients With Stroke After Endovascular Therapy in the Extended Time Window.

Outcomes of Witnessed Versus Unwitnessed Patients With Stroke After Endovascular Therapy in the Extended Time Window.

Journal: Stroke

Published: November 12, 2025

Thrombectomy for medium-sized cerebral vessel occlusion: Size does matter.

Thrombectomy for medium-sized cerebral vessel occlusion: Size does matter.

Journal: European stroke journal

Published: September 08, 2025

Thrombectomy for medium-sized cerebral vessel occlusion: Size does matter.

Thrombectomy for medium-sized cerebral vessel occlusion: Size does matter.

Journal: European stroke journal

Published: June 19, 2025

Endovascular Therapy for Late-Window M2-Segment Middle Cerebral Artery Occlusion: Analysis of the CLEAR Study.

Endovascular Therapy for Late-Window M2-Segment Middle Cerebral Artery Occlusion: Analysis of the CLEAR Study.

Journal: Stroke

Published: May 23, 2025

Intravenous thrombolysis versus endovascular thrombectomy in acute basilar artery occlusion-A multicenter cohort study.

Intravenous thrombolysis versus endovascular thrombectomy in acute basilar artery occlusion-A multicenter cohort study.

Journal: International journal of stroke : official journal of the International Stroke Society

Published: May 12, 2025

Endovascular Therapy for Patients With Low NIHSS Scores and Large Vessel Occlusion in the 6- to 24-Hour Window: Analysis of the CLEAR Study.

Endovascular Therapy for Patients With Low NIHSS Scores and Large Vessel Occlusion in the 6- to 24-Hour Window: Analysis of the CLEAR Study.

Journal: Neurology

Published: March 20, 2025

CLEAR Thrombectomy Score: An Index to Estimate the Probability of Good Functional Outcome With or Without Endovascular Treatment in the Late Window for Anterior Circulation Occlusion.

CLEAR Thrombectomy Score: An Index to Estimate the Probability of Good Functional Outcome With or Without Endovascular Treatment in the Late Window for Anterior Circulation Occlusion.

Journal: Journal of the American Heart Association

Published: July 09, 2024

Safety and clinical outcomes of endovascular therapy versus medical management in late presentation of large ischemic stroke.

Safety and clinical outcomes of endovascular therapy versus medical management in late presentation of large ischemic stroke.

Journal: European stroke journal

Published: May 17, 2024

Endovascular Versus Medical Therapy in Posterior Cerebral Artery Stroke: Role of Baseline NIHSS Score and Occlusion Site.

Endovascular Versus Medical Therapy in Posterior Cerebral Artery Stroke: Role of Baseline NIHSS Score and Occlusion Site.

Journal: Stroke

Published: May 16, 2024

Outcomes of Bridging Intravenous Thrombolysis Versus Endovascular Therapy Alone in Late-Window Acute Ischemic Stroke.

Outcomes of Bridging Intravenous Thrombolysis Versus Endovascular Therapy Alone in Late-Window Acute Ischemic Stroke.

Journal: Stroke

Published: May 15, 2024

Showing 1-12 of 38

Last Updated: 09/26/2026