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Stroke E-Book

Stroke E-Book

J. P. Mohr | Philip A. Wolf | Michael A. Moskowitz | Marc R Mayberg | Rudiger Von Kummer | James C. Grotta

(2011)

Additional Information

Book Details

Abstract

First published in 1986 under the editorial direction of Dr. Henry J.M. Barnett, Stroke: Pathophysiology, Diagnosis, and Management continues to provide the dependable, current answers you need to effectively combat the increasing incidence of this disease. Dr. J.P. Mohr, together with new associate editors Philip A. Wolf, James C. Grotta, Michael A. Moskowitz, Marc Mayberg, and Rüdiger von Kummer as well as a multitude of expert contributors from around the world, offer you updated and expanded coverage of mechanisms of action of commonly used drugs, neuronal angiogenesis and stem cells, basic mechanisms of spasm and hemorrhage, prevention of stroke, genetics/predisposing risk factors, and much more, equipping you to understand the latest scientific discoveries and make effective use of the newest approaches to diagnosis and treatment.

  • Gain fresh perspectives and up-to-date insights from the world’s leading authorities on the pathophysiology, diagnosis, and management of stroke.
  • Access the comprehensive, expert clinical guidance you need to recognize the clinical manifestations of stroke, use the latest laboratory and imaging studies to arrive at a diagnosis, and generate an effective medical and surgical treatment plan.
  • Make efficient and accurate diagnoses with the aid of abundant full-color CT images and pathology slides.
  • Stay up to date on hot topics such as mechanisms of action of commonly used drugs, neuronal angiogenesis and stem cells, basic mechanisms of spasm and hemorrhage, prevention of stroke, genetics/predisposing risk factors, and much more.

Table of Contents

Section Title Page Action Price
Front Cover Cover
Stroke: Pathophysiology, Diagnosis,\rand Management iii
Copyright iv
Dedication v
Contributors vii
Preface xxi
Contents xxiii
Section One-Pathophysiology 1
Chapter 1-Vascular Biology and Atherosclerosis of Cerebral Arteries 3
Physiologic Regulation of Cerebrovascular Tone 3
Pathophysiologic Alterations in Cerebral Vessel Function 6
Summary 12
References 12
Chapter 2-The Cerebral Microvasculature and Responses to Ischemia 16
Anatomy of the Cerebral Vasculature 16
The Neurovascular Unit 16
The Blood-Brain Barrier and Matrix Integrity 16
Cerebral Microvessel Responses to Focal Ischemia 17
The Focal No-Reflow Phenomenon and Secondary Injury 20
Angiogenesis 21
Amyloid Deposition and Lipohyalinosis 22
Summary 23
REFERENCES 23
Chapter 3-Mechanisms of Thrombosis and Thrombolysis 29
Thrombus Formation 29
Fibrinolysis 31
Plasminogen Activators 33
Regulation of Endogenous Fibrinolysis 36
Impact of Plasmin Generation on Microvascular Integrity 36
Consequences of Therapeutic Plasminogen Activation 37
Limitations on the Clinical Use of Fibrinolytic Agents 37
Plasminogen Activators in Cerebral Tissue 37
Plasminogen Activators in Experimental Cerebral Ischemia 37
Plasminogen Activators and Recanalization in Ischemic Stroke 38
Plasminogen Activators and Cerebral Hemorrhage 38
References 39
Chapter 4-Cerebral Blood Flow and Metabolismin Human CerebrovascularDisease 44
Methods of Measurement 44
Energy Metabolism and Normal Cerebral Hemodynamics 46
Hemodynamic Effects of Arterial Occlusive Disease 49
Acute Ischemic Stroke 50
Remote Metabolic Effects of Ischemia 54
Intracerebral Hemorrhage 56
Arteriovenous Malformations 57
Aneurysmal Subarachnoid Hemorrhage 58
Conclusions 59
References 60
Chapter 5-Histopathology of Cerebral Ischemia 68
The Biological Levels of Organization and Stroke 68
Selective Neuronal Necrosis versus Infarction 68
Selective Vulnerability 69
Selective Neuronal Necrosis 69
Pannecrosis or Infarction 71
Epilogue 73
References 73
Chapter 6-Molecular and Cellular Mechanismsof Ischemia-Induced Neuronal Death 75
Global Ischemia 75
Focal Ischemia 75
Experimental Models of Global and Focal Ischemia 76
Modalities of Ischemic Cell Death 79
Triggers of Ischemic Cell Death 88
Mechanisms of Ischemic Cell Death 95
References 101
Chapter 7-Apoptosis and Related Mechanisms in Cerebral Ischemia 107
Pathways of Ischemic Cell Death 107
Molecular Mechanisms of Apoptosis 108
Apoptosis in Cerebral Ischemia 113
Apoptosis in Spinal Cord Ischemia 114
Inhibition of Apoptotic Pathways Reduces Ischemic Damage 115
Apoptosis in Human Brain 115
References 116
Chapter 8-Molecular Pathophysiology of White Matter Anoxic-Ischemic Injury 122
White Matter Anatomy and Physiology 122
Model Systems for Studying White Matter Ischemia 123
Effects of Ischemia on White Matter 125
Mechanisms of White Matter Injury 129
Autoprotection in White Matter 132
References 134
Chapter 9-Cerebral Ischemia and Inflammation 138
Cerebral Ischemia, Cytokines, and Inflammation 138
Mechanisms by Which Inflammation Contributes to Ischemic Brain Injury 138
Nitric Oxide and Inducible Nitric Oxide Synthase 141
Cyclooxygenase-2 141
Danger Sensors: Scavenger Receptors and Toll-like Receptors 142
Transcription Factors Involved in Postischemic Inflammation 143
Inflammatory Mediators and Ischemic Preconditioning 144
From Bench to Bedside 145
Conclusions 147
References 148
Chapter 10-Intracellular Signaling: Mediators and Protective Responses 154
Preconditioning 154
Cellular Maintenance 158
Regeneration and Repair 158
Clinical Implications 158
References 159
Neurogenesis in the Subventricular Zone 162
Proliferation of Neural Stem and Progenitor Cells after Stroke 162
Migration and Survival of Neuroblasts after Stroke 163
Coupling of Neurogenesis and Angiogenesis 164
Angiogenesis, Neurogenesis, and Functional Recovery 164
The Effect of Cell-Based and Pharmacologically Based Therapieson Angiogenesis and Neurogenesis 164
The Effect of Cell and Pharmacologically Based Therapies on Axonal Remodeling 165
Chapter 12 - Genetics and Vascular Biology of Brain Vascular Malformations 169
Etiology and Pathogenesis 169
Mendelian Disease 171
Familial Aggregation 172
Genetic Studies of Nonfamilial AVM 172
Candidate Gene Studies in AVM Patients 172
Beyond Candidate Gene Studies 173
An Alternative Genetic Mechanism for SporadicAVMs 173
Experimental AVM Models 174
Summary and Synthesis of Data Regarding Etiology and Pathogenesis of AVM 176
Cerebral Cavernous Malformations 176
Overview 176
CCM Genetics 176
CCM1/KRIT1 178
CCM2/MGC4607 179
CCM3/PDCD10 179
CCM Pathogenesis 179
Genotype–Phenotype Correlation 180
Summary of CCM Biology and Pathogenesis 180
Other Vascular Malformations 180
Acknowledgments 181
REFERENCES 181
Section two - Epidemiology and Prevention 187
Chapter 13 - Distribution of Stroke: Heterogeneity by Age, Race, and Sex 189
Indices of Stroke Heterogeneity 189
Stroke Mortality 191
Stroke Incidence 193
Stroke Prevalence 195
Chapter 14 - Epidemiology of Stroke 198
Magnitude of the Problem 198
Mortality 198
Cost 198
Incidence of Stroke 198
Frequency of Stroke by Type 200
Silent Stroke 201
Recurrent Stroke 201
Risk Factors for Stroke 203
Atherogenic Host Factors 203
Heart Disease and Impaired Cardiac Function 208
Other Host Factors 210
Environmental Factors 211
Acknowledgments 215
REFERENCES 215
Mortality after Ischemic Stroke 219
Recurrence after Ischemic Stroke 224
Worsening after Ischemic Stroke 227
Cardiac Events after Stroke 228
Stroke Outcome Prediction Models 229
Functional Disability and Handicap after Stroke 230
Quality of Life after Stroke 231
Depression after Stroke 232
REFERENCES 233
Assessing the Risk for a First Stroke 242
Lifestyle Modification 242
Management of Well-Documented Modifiable Risk Factors for Preventinga First Stroke 245
REFERENCES 249
Chapter 17 - Vascular Dementia and Vascular Cognitive Decline 252
Historical Evolution of the Concept of Vascular Dementia 252
Diagnostic Criteria for Vascular Dementia 252
Dementia following Stroke 253
Overlap of Vascular and Neurodegenerative Pathologies 253
Epidemiology 253
Clinical Diagnosis 253
Neuropsychological Assessments of Vascular Cognitive Impairment 254
Pathophysiology of Vascular Cognitive Impairment 255
Imaging Correlates of Vascular Cognitive Impairment 255
Neuropathologic Aspects 256
Prevention of Vascular Cognitive Impairment 257
Treatment of Persons with Clinical Vascular Dementia 260
Control of Vascular Risk Factors 260
Pharmacologic Treatment of Cognitive Impairment 261
Summary 261
REFERENCES 261
Evidence for Heritability for Stroke and Its Subtypes 268
Disorders Associated with Ischemic or Hemorrhagic Stroke 269
Genome-wide Association Studies 274
Apolipoprotein E and Intracerebral Hemorrhage 275
Genetic Risk Factors for Common Ischemic Stroke 275
Genetics for Optimizing Drug Therapy 275
REFERENCES 276
The Global Burden of Disease Studies 279
Methods for Assessing Cause-Specific Mortality in the GBD 280
GBD Estimates of Stroke Mortality at Global, Regional, and Country Level 280
Global Stroke Epidemiology: Data and Methods 281
Assessing Disability Due to Stroke 283
The Global Burden of Stroke in 2004 285
Assessing the Contribution of Stroke Risk Factors 285
Projections of Stroke Mortality and Burden from 2004 to 2030 286
Discussion and Conclusions 287
REFERENCES 288
Section three - Clinical Manifestations 291
Chapter 20 - Classification of Ischemic Stroke 293
Forms of Infarction: Bland and Hemorrhagic 293
Problems in the Diagnosis of Infarction 293
Subtypes of Ischemic Stroke 295
Embolism Attributed to Cardiac Sources 297
Lacunar Infarction 299
Cryptogenic Infarction or Infarct of Undetermined Cause 301
REFERENCES 302
Chapter 21 - Clinical Scales to Assess Patients with Stroke 307
Desired Qualities of Stroke Scales 307
Emergency Medical Services Scales 309
Scales to Differentiate Hemorrhagic Stroke from Ischemic Stroke 311
Differentiation of Ischemic Stroke Syndromes 311
Scales to Quantify the Severity of Hemorrhagic Stroke 312
Scales to Quantify the Severity of Subarachnoid Hemorrhage 313
Scales to Quantify the Severity of Ischemic Stroke 313
Systems to Differentiate the Cause of Ischemic Stroke 317
Measures to Assess Responses to Rehabilitation Interventions 321
Scales to Rate Outcomes (Disability) after Stroke 321
Scales to Rate Outcomes (Global or Handicap) after Stroke 322
Scales to Assess the Quality of Life after Stroke 323
REFERENCES 326
Chapter 22 - Carotid Artery Disease 334
Carotid Anatomy and Lesion Development 334
Pathophysiology of Carotid Artery Ischemia 337
Clinical Syndromes 344
Ischemic Stroke from Carotid Artery Disease 344
Reversible Ischemic Neurologic Deficit 348
Transient Ischemic Attacks 348
Asymptomatic Carotid Artery Disease 353
REFERENCES 355
Chapter 23 - Anterior Cerebral Artery Disease 362
Anatomy 362
Symptoms and Signs 366
REFERENCES 375
Chapter 24 - Middle Cerebral Artery Disease 384
Descriptive Terms 384
Histology 386
Pathology 386
Clinical Syndromes of Middle Cerebral Artery Territory Infarction 389
Clinical Syndromes from Infarction of Either Hemisphere 389
Syndromes Referable to ­Language-Dominant (Usually Left) Hemisphere Infarction 396
Syndromes of Infarction in the Hemisphere Nondominant for Speech and Language 411
References 416
Chapter 25 - Posterior Cerebral Artery Disease 425
Anatomy 425
Vascular Disease 427
Clinical Syndromes 429
REFERENCES 441
Chapter 26 - Vertebrobasilar Disease 446
Anatomy 446
Pathology 450
Pathophysiology 455
Clinical Findings in Patients with Vascular Lesions in Various Locations 456
Clinical Syndromes of Basilar Occlusion 457
Top of the Basilar Artery Occlusion 460
Basilar Branch and Lacunar Disease 461
Occlusion of Long Circumferential Branches of the Basilar Artery 462
Intracranial Vertebral Artery Occlusive Disease 468
Extracranial Vertebral Artery Occlusive Disease 472
Bilateral Vertebral Artery Occlusion 473
Subclavian-Innominate Artery Disease and Subclavian Steal 473
Mobile Thrombus in the Aortic Arch 474
Multiple Infarcts in the Posterior Circulation 474
Low-Flow States with Resultant Borderzone Ischemia in the Posterior Circulation 474
Migraine 474
REFERENCES 477
Chapter 27 - Microangiopathies (Lacunes) 485
Historical Aspects 485
Definitions 486
Pathoanatomy 486
Arteriopathies Underlying Lacunes 488
General Clinical Features 490
Clinical Syndromes 491
Laboratory Studies 504
Prognosis 507
Treatment 508
REFERENCES 509
Chapter 28 - Cerebral Venous Thrombosis 516
Epidemiology 516
Venous Anatomy 516
Pathophysiology 517
Etiology 518
Clinical Aspects 519
Diagnosis 520
Prognosis 523
Treatment 525
Contraception and Future Pregnancies 527
REFERENCES 527
Chapter 29 - Intracerebral Hemorrhage 531
Genetics 534
Pathologic Features and Pathogenesis 534
Brain Imaging 553
General Clinical and Laboratory Features 554
Supratentorial Intracerebral Hemorrhage 556
Hemorrhage Affecting the Brainstem and Cerebellum 569
REFERENCES 579
Chapter 30 - Aneurysmal Subarachnoid Hemorrhage 589
Historical Aspects 589
Epidemiology 589
Pathophysiology 591
Clinical Presentation 593
Radiographic and Diagnostic Testing 593
Searching for the Aneurysm 594
Management 597
Outcomes 607
REFERENCES 607
Chapter 31 - Arteriovenous Malformations and Other Vascular Anomalies 616
Arteriovenous Malformations 616
Other Vascular Malformations and Anomalies 632
Ongoing Clinical Trials 637
REFERENCES 637
Chapter 32 - Spinal Cord Ischemia 643
Historical Aspects 643
Blood Supply to the Spinal Cord 643
Physiology of Spinal Cord Blood Flow 645
Pathology of Spinal Cord Infarction 646
Etiology 646
Clinical Presentation of Spinal Cord Infarction 650
Differential Diagnosis 652
Diagnostic Tests 652
Treatment and Prognosis 653
REFERENCES 653
Section four - Specific MedicalDiseases and Stroke 659
Chapter 33 - Arterial Dissections and Fibromuscular Dysplasia 661
Arterial Dissections 661
Fibromuscular Dysplasia 675
REFERENCES 680
Chapter 34 - Collagen Vascular and Infectious Diseases 687
Giant Cell Arteritis 687
Isolated Angiitis of the Central Nervous System 689
Takayasu’s Arteritis 691
Polyarteritis Nodosa 692
Systemic Lupus Erythematosus 692
Wegener’s Granulomatosis 693
Allergic Angiitis 693
Lymphomatoid Granulomatosis 693
Scleroderma 693
Rheumatoid Arthritis 693
Sneddon’s Syndrome 694
Malignant Atrophic Papulosis 694
Behçet’s Disease 694
Cryoglobulinemia 695
Retinocochleocerebral Vasculopathy (Susac’s Syndrome) 695
The Role of Inflammation in Atherosclerosis and Stroke 695
References 698
Chapter 35 - Moyamoya Disease 703
Guideline For Diagnosis 703
Epidemiology 703
Pathology 706
Etiology and Pathogenesis 710
Clinical Symptoms and Signs 711
Laboratory Findings 711
Clinical Examination 712
Disease Progression and Prognosis 713
Treatment 713
Conclusion and Future Directions 716
References 716
Chapter 36 - Migraine and Stroke 720
Clinical Features 720
Classification 720
Epidemiology 722
Neuroimaging 724
Headache of Vascular Disease 724
Migraine that Mimics Stroke 725
Mechanisms 727
Migraine and Patent Foramen Ovale 728
Stroke Prevention in Patients with Migraine 729
Treatment of Migraine in Patients at Risk for Stroke or in Patients with Transient Ischemic Attack or Stroke 729
References 730
Chapter 37 - Hypertensive Encephalopathy 734
Pathogenesis 734
Pathologic Features 735
Clinical Features 735
Neuroradiologic Features 735
Causes 737
Treatment 738
References 739
Chapter 38 - Atherosclerotic Disease of the Proximal Aorta 741
Frequency of Aortic Plaques in the General Population 741
Aortic Plaques and Ischemic Stroke 741
Natural History of Aortic Plaques 747
Aortic Plaques and Atheroembolism 747
Factors Associated with Aortic Plaques in Patients with Stroke 747
Proximal Aortic Plaques and Carotid Artery Disease 749
Proximal Aortic Plaques and Coronary Artery Disease 749
Aortic Plaques and Atheroembolism 749
Treatment of Proximal Aortic Plaques 751
Future Directions 752
Summary 753
REFERENCES 754
Chapter 39 - CADASIL: Cerebral Autosomal ­Dominant Arteriopathy with ­Subcortical Infarcts and ­Leukoencephalopathy 758
History 758
Clinical Presentation 759
Neuroimaging 760
Pathology 760
Genetics 761
Diagnosis 762
Conclusion 762
REFERENCES 763
Chapter 40 - Reversible Cerebral ­Vasoconstriction Syndromes 765
History, Evolution, and Associated Conditions 765
Demographics and Clinical Features 767
Laboratory Findings 767
Brain Imaging 767
Differential Diagnosis 769
Etiology and Pathophysiology 769
Management 770
Outcome and Prognosis 770
REFERENCES 770
Chapter 41 - Coagulation Abnormalities in Stroke 772
Pathogenesis of Thrombosis 772
Homocystinuria and Homocystinemia 780
Sickle Cell Disease 782
Screening of Patients with Stroke for Coagulopathies 783
References 784
Chapter 42 - Stroke and Substance Abuse 790
Opiates 790
Amphetamine and Related Agents 792
Cocaine 795
Phencyclidine 797
Lysergic Acid Diethylamide 797
Marijuana 797
Barbiturates 798
Inhalants 798
Alcohol 798
Tobacco 800
REFERENCES 802
Chapter 43 - Cardiac Diseases 814
Clinical Features of Cardioembolic Transient Ischemic Attack or Stroke 814
Diagnostic Studies 815
Approach to Management 816
Specific Cardiac Conditions Causing Cerebral Embolism 816
REFERENCES 823
Section five - Diagnostic Studies 829
Chapter 44 - Ultrasonography 831
Ultrasound Technology 831
Monitoring Early Atherosclerosis 833
Nonatherosclerotic Vascular Disease 841
Transcranial Doppler in the Evaluation of Stroke 842
Stroke Therapy with Ultrasound 855
Emerging Applications 858
REFERENCES 860
Chapter 45 - Computed Tomography–Based ­Evaluation of Cerebrovascular ­Disease 870
Noncontrast CT 870
CTA 873
CT Perfusion Imaging 877
Posterior Circulation CT Imaging 878
NCT and CTA in Acute Hemorrhagic Stroke 878
REFERENCES 879
Chapter 46 - Magnetic Resonance Imaging of Cerebrovascular Diseases 882
General Principles and Basic Pulse Sequences 882
Stroke MRI Examination 888
Transient Ischemic Attacks 889
Ischemic Stroke 891
Hemorrhage 895
Vascular Pathology 898
MRI-Guided Acute Stroke Therapy 900
References 902
Chapter 47 - Cerebral Angiography 910
Technique 910
Risks 910
Angiographic Cerebral Vasculature: Normal Anatomy 911
Indications 911
REFERENCES 924
Section six - Therapy 927
PART A • MEDICAL THERAPY 929
Chapter 48 - Prehospital and Emergency ­Department Care of the Patient with Acute Stroke 929
The Course of Events for the Acute Stroke Patient 929
Recognition of Stroke Symptoms by the Patient or Family Members 930
First Contact with Medical Care 930
Dispatch of Appropriate Level of Prehospital Providers 931
Prehospital Evaluation and Management 931
Prehospital Identification of Stroke 932
Prehospital Notification of Pending Emergency Department Arrival 932
Emergency Department Time Delays 932
Emergency Department Triage 934
Emergency Department Evaluation and Management 934
Divergence of Pathways Based on Ischemic Versus Hemorrhagic Stroke 937
Disposition from the Emergency Department 941
Conclusion 942
REFERENCES 942
Chapter 49 - Intravenous Thrombolysis 945
Preclinical Studies of Thrombolysis for Acute Stroke 950
Clinical Studies of Thrombolysis for Acute Stroke 951
Community Experience of Thrombolysis for Acute Stroke 957
Guidelines for Intravenous Thrombolysis in Acute Stroke 960
Combination Treatment 967
Conclusion 968
REFERENCES 968
Chapter 50 - Antithrombotic Therapy for ­Treatment of Acute Ischemic Stroke 971
Pharmacology 971
Safety of Emergency Antithrombotic Treatment for Patients with AcuteIschemic Stroke 975
Efficacy of Treatment of Acute Ischemic Stroke 979
Prevention of Deep Vein Thrombosis 985
Other Indications 985
Current Status of Antithrombotic Therapy 986
Future of Antithrombotic Therapy 986
REFERENCES 987
Chapter 51 - General Stroke Management and Stroke Units 992
Short History of Stroke Units 992
Stroke Unit Design 992
Effectiveness of Stroke Unit Care 993
Who Benefits? 995
Are There Long-Term Benefits of Stroke Unit Care? 995
Availability of Stroke Unit Care 996
General Stroke Management 996
Conclusions 1004
REFERENCES 1004
Chapter 52 - Critical Care of the Patient with Acute Stroke 1008
General Principles of Neurologic Critical Care 1008
Specific Treatment of Various Stroke Syndromes 1024
References 1039
Chapter 53 - Pharmacologic Modification of Acute Cerebral Ischemia 1049
Background: Preclinical and Clinical Cytoprotection 1049
Clinical Cytoprotective Therapy Trials 1055
Conclusion 1075
REFERENCES 1075
Chapter 55 - Medical Therapy of Intracerebral and Intraventricular Hemorrhage 1106
Emergency Department Management 1106
The Importance of Aggressive Medical Therapies 1106
Prevention of Rebleeding 1108
Management of Cerebral Edema, Hydrocephalus, and Intraventricular Hemorrhage 1109
Special Considerations in Warfarin-Related Intracranial Hemorrhage 1111
Selection of Patients for Surgery 1111
Predictors of Outcome and Withdrawal of Care 1112
Conclusions 1113
REFERENCES 1113
Neurologic Rehabilitation 1116
Chapter 57 - Enhancing Stroke Recovery with Cellular Therapies 1134
What Are the Goals of Cell-Based Therapy for Stroke? 1134
The Complexity of Stroke for Cell Therapy 1134
The Complexity of Cells 1135
Mechanisms 1140
Pilot Clinical Trials: Lessons Learned 1141
Recent and Ongoing Studies 1141
Translational Barriers 1142
Guidelines: Stem Cell Therapies as an Emerging Paradigm in Stroke 1144
Conclusion 1144
Chapter 58 - Antiplatelet Therapy for Secondary Prevention of Stroke 1147
Platelet Function in Patients at Risk of Occlusive Stroke 1153
Antiplatelet Drugs and Prevention of Stroke 1154
Combinations of Antiplatelet Agents 1164
Other Antiplatelet Agents 1167
Antiplatelet and Cerebral Microbleeds 1167
Conclusions 1168
REFERENCES 1168
Chapter 59 - Secondary Prevention of Cardioembolic Stroke 1173
Atrial Fibrillation 1173
Cardiomyopathies 1176
Myocardial Infarction 1177
Valvular Heart Disease 1178
Prosthetic Cardiac Valves 1179
Nonbacterial Thrombotic Endocarditis 1180
Infectious Endocarditis 1180
Cardiac Tumors 1180
Patent Foramen Ovale 1180
Aortic Arch Disease 1182
Anticoagulant Agents 1182
Intracerebral Hemorrhage Associated with Anticoagulation 1184
Anticoagulation in Acute Cardioembolic Stroke 1185
Resumption of Anticoagulation in the Presence of Intracerebral Hemorrhage 1186
Summary 1186
References 1186
Chapter 60 - Conduct of Stroke-Related Clinical Trials 1192
Prevention Trials 1192
Therapeutic Trials 1192
When Can a Stroke-Related Trial Be Conducted? 1192
The Three Phases of Clinical Trials 1193
Outcome Measures 1194
Sample Size 1194
Adaptive Designs 1195
INDEX 1447