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Carotid and Cerebrovascular Disease, An Issue of Interventional Cardiology Clinics, E-Book

Carotid and Cerebrovascular Disease, An Issue of Interventional Cardiology Clinics, E-Book

Christopher J. White | Kenneth Rosenfield

(2014)

Additional Information

Book Details

Abstract

This issue of Interventional Cardiology Clinics is devoted to Carotid and Cerebrovascular Disease. Expert authors review the most current information available about diagnosing cerebral artery disease and managing carotid and cerebral artery stenosis. Keep up-to-the-minute with the latest developments in cerebrovascular disease interventions.

Table of Contents

Section Title Page Action Price
Front Cover Cover
Carotid and Cerebrovascular Disease\r i
Copyright\r ii
Contributors iii
Contents v
Interventional Cardiology Clinics\r ix
Preface xi
Primary Stroke Prevention 1
Key points 1
Introduction 1
Testing: diagnosis and monitoring 2
Diagnostic Testing 2
Monitoring in Patients with Known Carotid Artery Stenosis 2
Primary prevention interventions 3
Strategies for All Patients 3
Education and lifestyle modification 3
Pharmacologic therapy 4
Antiplatelet therapy 4
Lipid-lowering therapy 4
Blood pressure–lowering therapy 5
Revascularization for primary prevention of stroke 5
Patient Selection and Risk Markers 5
Revascularization Procedures 6
Surgical Carotid Endarterectomy 6
Carotid Stenting 6
Which Procedure to Choose? 8
Summary 8
References 8
Non-Invasive Carotid Imaging 13
Key points 13
Introduction 13
Catheter-based angiography: the historical gold standard 14
Duplex ultrasonography 14
Computed tomography angiography 15
Magnetic resonance angiography 16
Special clinical scenarios 17
Poststent Surveillance 17
Revascularization Planning 17
Recommendations for noninvasive carotid imaging 18
Summary 19
References 19
Skin to Skin 21
Key points 21
Introduction 21
Transradial access technique 22
Transradial carotid angiography 23
Techniques of common carotid artery cannulation 25
Right internal CAS 26
Bovine left internal CAS 28
Nonbovine left internal carotid artery stenting 28
Advanced TRA CAS with Mo.Ma proximal protection device 31
Arterial sheath management 32
Advantages of TRA CAS 32
Disadvantages of TRA CAS 32
Limitations 32
Future technological advances 33
Summary 33
References 34
Skin to Skin 37
Key points 37
Background 37
Preparation of the patient before CAS 39
In-hospital preparation of the CAS patient 39
CAS: access through angiograms 39
CAS: from guide catheter to completion 40
CAS with distal embolic protection 41
Stent selection for CAS 42
Medications during CAS 43
Proximal embolic protection for CAS 43
Theoretical advantages of proximal EPD over distal EPD 43
Relative requirements for proximal EPD 43
Proximal EPD technique during CAS 44
Proximal versus distal EPD decision 45
Common problems encountered during CAS 45
Special situations in CAS 45
Summary 48
References 48
Patient, Anatomic, and Procedural Characteristics That Increase the Risk of Carotid Interventions 51
Key points 51
Introduction 51
Carotid stent risk assessment 51
Patient comorbidities that increase CAS risk 53
Patient Characteristics 53
Symptomatic Versus Asymptomatic Patients 54
Anatomic or lesion characteristics that increase CAS risk 54
Type III Aortic Arch and Aortic Arch Vessel Tortuosity 54
Contralateral Carotid Stenosis or Occlusion 54
Aortic Arch Atheroma 55
Carotid Lesion Characteristics 55
Heavily Calcified Plaque 55
Echolucent Plaque 55
Procedural factors that increase CAS risk 56
Inexperienced Operator and Center 56
Failure to Use an Embolic Protection Device 56
Stent Design 57
Lack of Femoral Artery Access 57
Time to Procedure 57
Summary 57
References 58
Carotid Artery Stenting Versus Carotid Endarterectomy for Treatment of Asymptomatic Carotid Disease 63
Key points 63
Introduction 63
Indications for revascularization of asymptomatic carotid stenosis 64
Randomized trial evidence comparing CEA and CAS in standard-surgical-risk patients 64
Randomized trial evidence comparing CEA and CAS in high-surgical-risk patients 64
Limitations of randomized controlled trial evidence comparing CEA with CAS in asymptomatic patients 64
Observational evidence of CAS in asymptomatic patients 66
Controversies in 2013 67
CMS Reimbursement 67
Natural History of Asymptomatic Carotid Disease with Optimal Contemporary Medical Therapy 67
Impact of Proximal Embolic Protection on CAS Outcomes 68
Influence of Operator Volume 68
Revascularization of Asymptomatic Disease in the Elderly 69
Importance of Periprocedural Stroke versus MI 69
Deciding therapy for the individual patient 70
Summary 70
References 70
Surgery Versus Stenting in Symptomatic Patients 73
Key points 73
Introduction 73
Patient evaluation 74
Medical treatment 74
Surgical intervention 75
Operative Technique 77
Clinical Trials of Endarterectomy 78
Limitations of Existing Literature 78
Endovascular intervention 79
Interventional Techniques 79
Special Topics in Carotid Stenting 80
Stent design 80
Neuroprotection 81
Clinical Trials of Carotid Stenting 82
Long-term outcomes 83
Summary 86
References 87
Carotid Artery Stenting 91
Key points 91
Introduction 91
CAS learning curve 92
Operator learning curve 92
Institutional Learning Curve 93
Impact of learning curve on randomized control trials 96
How much volume is adequate? 98
Simulation in CAS training 98
Summary 102
References 102
Complications and Solutions with Carotid Stenting 105
Key points 105
Introduction 105
Neurologic complications 105
Cardiovascular complications 108
Death 109
Carotid artery complications 109
Device malfunction 109
General complications 109
Late complications 109
References 111
Percutaneous Treatment of Vertebral Artery Stenosis 115
Key points 115
Introduction 115
Indications and patient selection 116
Relevant anatomy 116
Preprocedure planning 117
Description of procedure 118
Access Site 118
Sheath Sizes 118
Angiographic Catheter 118
Diagnostic Guidewire 118
Interventional Guidewire 118
Percutaneous Transluminal Angioplasty Balloons 118
Stent 118
Interventional Tips 118
Imaging 118
Immediate postprocedural care 118
Clinical results in literature 119
Potential complications/management 120
Summary 120
Videos 120
References 120
Common Cervical and Cerebral Vascular Variants 123
Key points 123
Introduction 123
Anomalies of the aortic arch 123
Normal Anatomy 123
Left-Sided Aortic Arch 124
Common origin of the right brachiocephalic trunk and left common carotid artery 124
Vertebral artery as a direct branch of the aortic arch 124
Aberrant right subclavian artery 124
Other anomalies 124
Right-Sided Aortic Arch 124
Double Aortic Arch 124
Cervical Aortic Arch 125
Anomalies of the common carotid artery 125
Anomalies of the external carotid artery 125
Percutaneous Treatment of Severe Intracranial Carotid and Middle Cerebral Artery Stenosis 135
Key points 135
Introduction 135
Indications and patient selection 136
Cerebrovascular anatomy 136
Preprocedure planning 137
Endovascular approach 137
Perioperative management 138
Clinical results 138
Potential complications and their management 140
Ischemic complications 140
Intracerebral hemorrhage 141
Summary 141
References 142
Current Reperfusion Strategies for Acute Stroke 145
Key points 145
Introduction 145
Indications and patient selection 146
Clinical Status 146
Time of Presentation 146
Imaging of Acute Stroke 146
CT 147
Noncontrast CT 147
CTA 147
CT perfusion 147
MRI 149
Relevant Anatomy 149
Preprocedure planning 150
Optimized Systems-Based Stroke Management 151
Description of the procedure 152
Evolution from IA Thrombolysis to Flow Restoration Devices (Stent Retriever) 152
IA Thrombolysis 153
Merci Device/Penumbra System 153
Flow Restoration Devices/Stent Retriever Technique 154
Stent Retriever Recanalization Technique: Step by Step 155
Vascular access 155
Catheter and sheaths 155
DAC and balloon guide catheter 156
Microwires, microcatheters, and retriever devices 156
IC Recanalization Procedure 156
Technique of the Aspiration Procedure: Step by Step 158
Aspiration indications 158
Aspiration systems 158
Technique 158
Extracranial ICA Occlusion 158
Extracranial revascularization 160
IC Occlusion due to ICA Dissection 162
Potential complications/management 162
Clinical results in the literature 162
Summary 165
Videos 165
References 165
Index 169