Scholars@Duke
Roland Albert Matsouaka

Roland Albert Matsouaka

Associate Professor of Biostatistics & Bioinformatics
Biostatistics & Bioinformatics, Division of Biostatistics
Duke Box 17969, Durham, NC 27710
300 W. Morgan Street, Room 433, Durham, NC 27701

Scholarly Works - Conferences

Abstract 4360915: Association Between Direct Oral Anticoagulant Dose and Risk of Stroke/Systemic Embolism, Major Bleeding, or All-Cause Mortality in Patients with Ischemic Stroke and Atrial Fibrillation

Conference Circulation · November 4, 2025 Background: Direct oral anticoagulants (DOACs) are recommended for stroke prevention in patients with atrial fibrillation (AF); however, inappropriate dosages may increase risk for adv ... Full text Cite

Abstract WP273: Selection of Antithrombotic Therapy in Patients with Atrial Fibrillation who Experience an Ischemic Stroke While on Anticoagulant Therapy

Conference Stroke · February 2025 Introduction: Anticoagulation therapy plays a pivotal role in stroke prevention for people with atrial fibrillation. Despite its efficacy, some patients still have an ischemic stroke while on therapy. ... Full text Cite

Abstract WP171: Antithrombotic Therapy for Secondary Stroke Prevention in Patients with Severe Chronic Kidney Disease and Atrial Fibrillation

Conference Stroke · February 2025 Background: The prevalence of renal disease is increasing in the U.S. Renal dysfunction increases risk of atrial fibrillation, ischemic stroke and systemic bleeding. Lack of randomized trial data in t ... Full text Cite

Abstract 4145883: Elevated International Normalized Ratio Is Associated with Severity of Intracerebral Hemorrhage for Patients Taking Direct Oral Anticoagulants

Conference Circulation · November 12, 2024 Introduction/Background: While the international normalized ratio (INR), a marker of functioning of the extrinsic and final common pathways of the coagulation cascade is associated with increased intr ... Full text Cite

Abstract 67: Endovascular Thrombectomy In Patients With Acute Ischemic Stroke And Recent Use Of Oral Vitamin K-Antagonists: The Get With The Guidelines-Stroke Program

Conference Stroke · February 2023 Introduction: Emergent endovascular thrombectomy (EVT) is effective in improving outcomes in patients with stroke caused by large vessel occlusion. However, there are limited data on the use of EVT in ... Full text Cite

Abstract 25: Safety And Outcomes Of Endovascular Thrombectomy In Acute Ischemic Stroke Patients With Recent Use Of Non-vitamin K Antagonist Oral Anticoagulants

Conference Stroke · February 2023 Introduction: An increasing number of patients with acute ischemic stroke (AIS) have recently used non-vitamin K antagonist oral anticoagulants (NOACs). However, there are limited data on safety of en ... Full text Cite

Abstract 116: Unmet Need In Acute Ischemic Stroke Patients Not Treated With Alteplase

Conference Stroke · February 2022 Introduction: Early administration of intravenous tissue plasminogen activator (IV alteplase) improves functional outcomes in patients with acute ischemic stroke (AIS), yet many patients are not treat ... Full text Cite

Abstract 35: Unmet Need In Acute Ischemic Stroke Patients Arriving After 4.5 Hours

Conference Stroke · February 2022 Introduction: Many patients arrive beyond the guideline-recommended time window for treatment with IV alteplase. For most of these patients, few treatment options exist. There is a need to understand ... Full text Cite

Ablation of atrial fibrillation during coronary artery bypass grafting: Late outcomes in a Medicare population.

Conference J Thorac Cardiovasc Surg · April 2021 BACKGROUND: This study compares outcomes of patients with preoperative atrial fibrillation undergoing coronary artery bypass grafting (CABG) with or without concomitant atrial fibrillation ablation in a nationally representative Medicare cohort. OBJECTIVES ... Full text Link to item Cite

Abstract P252: Discharge Antithrombotic Therapy for Ischemic Stroke Patients With Prior Aspirin Failure

Conference Stroke · March 2021 Introduction: Aspirin is one of the most commonly used medications for cardiovascular disease and stroke prevention. Many older patients who present with a first or recurrent stroke are already on asp ... Full text Cite

TEMPORAL TRENDS IN SEVERITY IN CLINICAL RISK PROFILES AMONG PATIENTS HOSPITALIZED FOR HEART FAILURE

Conference JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY · March 24, 2020 Link to item Cite

PROFILE OF PATIENTS DISCHARGED AGAINST MEDICAL ADVICE: IS THERE A COST?

Conference JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY · March 24, 2020 Link to item Cite