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Файл:Ординатура / Хирургия / Библиотека им академика М.И. Перельмана / Книга_3869_Библиотеки_им_академика_М_И_Перельмана.pdf
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- •Foreword
- •Preface from the Series Editors
- •Preface from the Editors
- •Contents
- •Planning the Procedure
- •Understanding the Underlying Pathological Process
- •Understanding the Role of Alternative Therapies
- •Contributors
- •Section I
- •1 Basic Principles of Embolization
- •Introduction
- •Underlying Principles
- •Identifying the Target
- •Knowing the Arterial Anatomy and Collateral Pathways
- •Normal Anatomy and Anatomic Variations
- •Collateral Perfusion
- •End Arterial Supply
- •Choosing the Correct Embolic Material
- •Understanding the Likely Outcomes/Consequences of Embolization
- •Performing the Procedure
- •Informing Others: The Patient and Clinicians
- •Planning Vascular Access
- •Selective Catheterization
- •Single End Hole Catheters
- •Avoiding Wedged Catheter Positions
- •Microcatheters
- •Delivery of Embolic Materials
- •Preserving Vessels
- •Non-target Embolization
- •2 Coils, Occluders, and Plugs
- •Introduction
- •Mechanism of Action
- •Intimal Injury and Thrombus Formation Are Interrelated
- •Physical Properties of Embolization Coils and Plugs
- •Materials
- •Novel Materials
- •Material Issues
- •Thrombogenicity
- •Coils Shapes and Sizes
- •Coil Size
- •Terminology
- •Coil Deployment
- •Additional Techniques
- •Detachable Coils
- •Associated Complications and Strategies for Minimizing These
- •Suggested Further Reading
- •3 Permanent Particulate Agents
- •Introduction
- •Particle Physical Properties
- •Commonly Used Agents
- •Polyvinyl Alcohol Particles (PVA)
- •PVA Microspheres
- •Tris-Acryl Microspheres
- •Bio-active Particles
- •Drug-Eluting Microspheres
- •Two Types of Drug-Eluting Microspheres are Available
- •Considerations Relating to 90 Y Microspheres
- •Detectable Microspheres
- •Using Permanent Particulate Agents
- •Preparation of the Agent
- •Injection of the Agent
- •Following Injection
- •Keypoints
- •4 Temporary Embolic Agents
- •Temporary Agents
- •Autologous Blood Clot
- •Physical Description and Properties
- •Mode of Action
- •How to Prepare and Use It
- •When and When Not to Use It
- •Detecting and Preventing Problems
- •Gelatin Sponge
- •Slurry
- •Physical Description and Properties
- •Mode of Action
- •How to Prepare and Use It (Figure 4.1)
- •When and When Not to Use It
- •Detecting Problems
- •Physical Description and Properties
- •Mode of Action
- •How to Prepare and Use It
- •When and When Not to Use It
- •Dosage and Side Effects
- •When to Use Absolute Alcohol
- •When Not to Use It
- •Sodium Tetradecyl Sulfate
- •Physical Description and Properties
- •Mode of Action
- •How to Prepare and Use It
- •When to Use
- •When Not to Use It
- •N-Butyl Cyanoacrylate
- •Physical Description and Properties
- •Mode of Action
- •How to Prepare and Use It
- •When to Use
- •When Not to Use It
- •Physical Description and Properties
- •Mode of Action
- •How to Prepare and Use It
- •Detecting Problems
- •Pledgets
- •Physical Description and Properties
- •Mode of Action
- •How to Prepare and Use It
- •When and When Not to Use It
- •Detecting Problems
- •Physical Description and Properties
- •Mode of Action
- •How to Prepare and Use It
- •When and When Not to Use It
- •Detecting Problems
- •5 Liquid Embolic Agents
- •Sclerosing Agents
- •Physical Description and Properties
- •Mode of Action
- •How to Prepare and Use Alcohol
- •When to Use
- •When Not to Use It
- •Note
- •Lipiodol
- •Physical Description and Properties
- •Fate of Injected Lipiodol
- •Lymphatic Injection
- •Hepatic Arterial Injection
- •How to Prepare and Use It
- •When to Use
- •When Not to Use It
- •Suggested Reading
- •6 Miscellaneous Embolic Agents: Laser and Radiofrequency
- •Laser
- •About Lasers
- •Laser Power (Fig. 6.2)
- •Safety
- •Radiofrequency (Fig. 6.3)
- •Monitoring Treatment
- •Applications of Temperature-Induced Vessel Occlusion
- •Keypoints
- •7 Future Embolic Therapies
- •Gene Therapy
- •Mode of Action
- •Mechanisms of Gene Transfer/Modulation
- •Nanoparticles
- •Keypoints
- •Recommended Readings/References
- •8 Vascular Access, for Embolization: Techniques and Equipment
- •Catheter Choice
- •Catheter Properties
- •Catheter Shapes and Technical Tips
- •Reverse Curve Catheters
- •Scenarios
- •Crossing the Aortic Bifurcation
- •Technical Note: Waltman Loop Technique
- •Catheter Characteristics
- •Microcatheters
- •Advantages of Microcatheters
- •Disadvantages of Microcatheters
- •Occlusion Balloons
- •Uses of Occlusion Balloons in Embolization
- •Vascular Sheaths and Guiding Catheters
- •Guidewires
- •Support Wires
- •Exchange Wires
- •Keypoints
- •9 Pre-procedure Imaging: When, Why, and How?
- •Introduction
- •Pre-procedure Imaging: When?
- •Pre-procedure Imaging: Why?
- •Pre-procedure Imaging: How?
- •Imaging Technique
- •Contrast Enhancement
- •Clinical Scenarios
- •Thoracic Embolization
- •Hemoptysis
- •Abdominal Embolization
- •Acute Gastrointestinal Hemorrhage
- •Pre-procedure Imaging: When?
- •Pre-procedure Imaging: Why?
- •Trauma (see also Chapter 10)
- •True Aneurysms of the Visceral Arteries
- •Suggested Further Reading
- •10 Imaging the Severely Injured Patient
- •Introduction
- •Death from Trauma
- •Rationale for Early Imaging
- •Optimal Imaging
- •Image Reconstruction
- •What to Look For
- •What Next?
- •Performing Angiography
- •Considerations for Imaging Departments
- •Radiation Considerations
- •Bibliography
- •Appendix
- •11 Safety in the Periprocedural Period
- •Introduction
- •Pre-procedure
- •Procedural
- •Post-procedural
- •Safe Sedation and Analgesia During the Procedure
- •Staff
- •Equipment
- •Routine Care Equipment
- •Emergency Equipment
- •Medications
- •Complications
- •Anesthesiology Assistance During Sedation and the Use of General Anesthesia
- •Safe Sedation and Analgesia Following the Procedure
- •Contrast-Induced Nephropathy
- •Prevention of CIN
- •Patient Safety and Comfort Are Paramount
- •Suggested Readings
- •12 Complications of Embolotherapy
- •Prevention, Detection, and Recognition
- •Pre-procedure
- •During the Procedure
- •Detection and Recognition
- •During the Procedure
- •Post-procedure
- •Clinical Assessment
- •Blood Tests
- •Imaging
- •Catheters Blocking
- •Non-target Embolization
- •Coil Retrieval
- •Tissue Necrosis
- •13 Management of Post-embolization Syndrome
- •Introduction
- •Pathophysiology
- •Clinical Features
- •Pain
- •Fever
- •Nausea and Vomiting
- •Diagnostic Evaluation
- •Laboratory
- •White Cells
- •Management of PES
- •Prevention
- •Management of PES: Intraprocedural
- •Bibliography
- •Section II
- •14 Peripheral Vascular Malformations
- •Background
- •Low-Flow Lesions
- •Clinical Features
- •Diagnostic Evaluation
- •Clinical Review
- •Laboratory
- •Imaging
- •Indications for Embolization
- •Alternative Therapies
- •Cautions/Contraindications
- •Anatomy
- •Medication
- •Angiography
- •Access
- •Angiography
- •Assessing the Lesion
- •Angiographic Appearance
- •Follow-Up
- •High-Flow Lesions
- •Diagnostic Evaluation
- •Clinical Review
- •Laboratory
- •Imaging
- •Indications for Embolization
- •Alternative Therapies
- •Cautions/Contraindications
- •Anatomy
- •Equipment
- •Catheters
- •Embolic Agents
- •Medication
- •Angiography
- •Access
- •Angiography
- •Assessing the Lesion
- •Angiographic Appearance
- •Treatment Plan and Technique
- •Post-embolization
- •Follow-Up
- •Keypoints
- •Safety
- •15 Pulmonary Arteriovenous Malformations
- •Clinical Features
- •Clinical Presentation
- •Clinical Relevance
- •Clinical
- •Laboratory
- •Imaging
- •Indications
- •Alternative Therapies
- •Contraindications
- •Anatomy
- •Catheters
- •Selective Catheters
- •Embolic Agents
- •Medication
- •Access
- •Angiography
- •Assessing the Lesion
- •Angiographic Appearance
- •Treatment Plan and Technique
- •Aftercare
- •Post-embolization
- •Follow-Up
- •Keypoints
- •Safety
- •Suggested Reading
- •16 Systemic Arteriovenous Fistulae
- •Clinical Features
- •Diagnostic Evaluation
- •Laboratory
- •Imaging
- •Indications for Embolization
- •Alternative Therapies
- •Anatomy
- •Equipment
- •Catheters
- •Medications
- •Pain Control
- •Infection Control
- •Sickness Control
- •Hydration
- •Arterial Access
- •Venous Access
- •Assessing the Lesion
- •Angiographic Appearance
- •Clinical Scenarios
- •Etiology of Arteriovenous Fistulae
- •Renal AVF
- •Small Post-biopsy Renal AVF
- •Congenital and Large Renal Arteriovenous Fistulae
- •Arterioportal Fistuale
- •Aortocaval Fistulae
- •Approach
- •Artery
- •Vein
- •Technical Points
- •Aftercare
- •Arterial Puncture Site
- •Post-embolization
- •Follow-Up
- •Keypoints
- •Safety
- •Suggested Readings
- •17 Klippel-Trenaunay Syndrome
- •Diagnosis
- •Clinical Features
- •Capillary Malformation (Fig. 17.1)
- •Hypertrophy of Bone and Soft Tissues (Fig. 17.1)
- •Venous Abnormality (Fig. 17.2)
- •Other Features
- •Assessment
- •Management
- •18 Biologic Effects of Tumor Embolization
- •Introduction
- •The Target Tissue
- •The Goal of the Embolization Procedure
- •Biological Effects on the Embolized Tissue/Organ
- •Short Term
- •Hypoxia Inducible Factor 1 (HIF-1)
- •Tumor Lysis Syndrome (TLS)
- •Target of Embolization
- •The Patient
- •The Target Organ
- •Liver
- •Kidney
- •The Disease Process
- •Recommended Reading
- •19 Liver Tumors (Hepatocellular Cancer)
- •Epidemiology of HCC
- •Diagnosis
- •Imaging
- •Differential Diagnosis Includes
- •Laboratory/Other Investigations
- •General Considerations
- •Contraindications
- •Pre-procedure Evaluation
- •Anatomic Considerations
- •Normal Anatomy
- •Variant Anatomy: (See also Table 33.1) (Fig. 19.2)
- •Extra-hepatic Supply (Fig. 19.3)
- •Consent
- •Equipment
- •Catheters
- •Chemotherapeutic Agents
- •Embolic Agent
- •Lipiodol
- •Particulate Agents
- •Drug-Eluting Beads
- •Bland Embolization Versus TACE
- •Radioembolization
- •Selective Versus Non-selective TACE
- •Procedure
- •Pre-procedure Preparation
- •Access
- •Initial Diagnostic Study
- •Selective Angiography
- •Perform Chemoembolization
- •Technique: Lipiodol
- •Technique: Drug-Eluting Beads
- •Endpoints: Two Procedural Endpoints Should be Considered
- •Post-procedure
- •Post-procedure Follow-Up
- •Assess
- •Keypoints
- •Suggested Reading
- •20 Liver Tumors: Metastases
- •Clinical Features
- •Available Embolic Therapies
- •Diagnostic Evaluation
- •Indications
- •Relative Contraindications
- •Anatomy
- •Patient Preparation
- •Pre-procedure Medications
- •Equipment
- •Post-procedure Medications
- •Follow-Up
- •Current Data
- •Alternative Therapies
- •Suggested Reading
- •21 Liver Tumors: Neuroendocrine Hepatic Metastases
- •Clinical Features
- •Laboratory
- •Imaging
- •Indications for Embolization
- •Alternative Therapies
- •Contraindications
- •Vascular Anatomy
- •Equipment
- •Catheters
- •Medications
- •IR Evaluation
- •Access
- •Arteriography
- •Assessing the Lesions
- •Angiographic Appearance
- •Clinical Scenarios
- •Treatment Plan and Technique
- •Aftercare
- •Arterial Access Site
- •Post-embolization
- •Follow-Up
- •Suggested Reading/References
- •22 Embolization of Benign and Malignant Renal Tumors
- •Clinical Features
- •Diagnostic Evaluation
- •Laboratory
- •Indications
- •Contraindications
- •Anatomy
- •Normal Anatomy
- •Aberrant Anatomy
- •Embolic Agents
- •Medication
- •Procedure
- •Access
- •Angiography
- •Assessing the Lesion
- •Angiographic Appearance
- •Treatment Plan and Technique
- •Pre-operative Embolization
- •Embolization in Patients with Inoperable Cancer
- •Embolization in AML
- •Arterial Puncture Site
- •Post-embolization Syndrome
- •Follow-Up
- •Alternative Therapies
- •Keypoints
- •Safety
- •Suggested Reading
- •23 Embolization of Bone Tumors
- •Clinical Features
- •Diagnostic Evaluation
- •Laboratory
- •Imaging (Fig. 23.1)
- •Indications
- •Alternative Therapies
- •Contraindications (Relative)
- •Anatomy
- •Equipment
- •Catheters
- •Embolic Agents
- •Medication
- •Procedure
- •Access
- •Angiography
- •Assessing the Lesion
- •Angiographic Appearance
- •Treatment Plan and Technique
- •Pre-operative Embolization (Fig. 23.2)
- •Palliative Embolization
- •Embolization as a Primary Treatment
- •Complications
- •Post-embolization Syndrome
- •Follow-Up
- •24 Uterine Fibroid Embolization
- •Clinical Features
- •Diagnostic Evaluation
- •Gynecologic Examination
- •Laboratory
- •Transvaginal Ultrasound (TVUS)
- •Indications
- •Contraindications
- •Aberrant Anatomy
- •Pre-treatment Patient Information
- •Equipment
- •Embolic Agents
- •Medication
- •Procedure
- •Access
- •Angiography
- •Angiographic Appearance
- •Re-embolization of Uterine Artery
- •Arterial Puncture Site
- •Post-embolization Syndrome
- •Follow-Up
- •Treatment Failures
- •Suggested Reading
- •Appendix
- •25 Embolization of Hemorrhage Due to Pelvic Fractures
- •Clinical Features
- •Diagnostic Evaluation
- •Laboratory
- •Imaging (see also Chapter 10)
- •Indications
- •Contraindications
- •Complications
- •Anatomy
- •Equipment
- •Catheters Required
- •Angiography (See Figs. 25.1 and 25.2)
- •Recommendations
- •Suggested Reading
- •26 Embolization of Extremity Trauma
- •Clinical Features
- •Management Goals
- •Mechanisms of Extremity Vascular Injury
- •Clinical Manifestations of Extremity Vascular Trauma
- •Role of Intervention
- •Diagnostic Evaluation
- •Clinical Evaluation
- •Physical Signs of Vascular Injury
- •Imaging
- •Radiographs
- •Indications
- •Alternative Therapies
- •Anatomy
- •Aberrant Anatomy
- •Variant Anatomy of Lower Extremity
- •Equipment
- •Catheters
- •Non-selective
- •Selective Catheters
- •Guide Catheters and Sheaths
- •Embolic Agents
- •For Dispensable Branch Vessels
- •For Indispensable Vessels
- •Medication
- •Angiography
- •Access
- •Angiographic Appearance
- •Positive Findings of Vascular Injury
- •Clinical Scenarios
- •Treatment Plan and Technique
- •Consider
- •Special Considerations
- •Upper Limb
- •Lower Limb
- •Aftercare
- •Arterial Puncture Site
- •Post-embolization
- •Follow-Up
- •Keypoints
- •Safety
- •27 Solid Organ Embolization in Trauma
- •Clinical Features
- •Diagnostic Evaluation
- •Clinical
- •The Importance of Blood Pressure in the Context of Trauma
- •Imaging (See Also Chapter 10)
- •Abdominal Ultrasound (FAST)
- •Contrast-Enhanced CT
- •Imaging Findings: The Following Predict the Need for Intervention
- •Indications
- •Alternative Therapies
- •Surgery
- •Contraindications
- •Complications
- •Anatomy
- •Normal Anatomy and Common Variations
- •Equipment
- •Embolic Agents
- •Rarely Required
- •Medication
- •Access
- •Angiography
- •Angiographic Appearance
- •Embolization
- •Liver
- •Complications of Hepatic Embolization
- •Spleen
- •Complications of Splenic Embolization
- •Kidney
- •Complications of Renal Embolization
- •Aftercare
- •Arterial Puncture Site
- •Post-embolization
- •Keypoints
- •28 Post-traumatic Priapism
- •Clinical Features
- •Low-Flow Priapism
- •High Flow or Arterial Priapism
- •Diagnostic Evaluation
- •Laboratory
- •Cavernosal Blood Gas Analysis
- •Imaging
- •Color Doppler Imaging of the Penis
- •Indications
- •For Angiography
- •For Embolization
- •Alternative Therapies
- •Cautions
- •Anatomy
- •Normal Anatomy
- •Aberrant Anatomy
- •Equipment
- •Catheters
- •Embolic Agents
- •Medication
- •Angiography
- •Access
- •Angiography
- •Angiographic Appearance
- •Aftercare
- •Post-embolization
- •Follow-Up
- •Safety
- •Suggested Reading
- •29 Embolization for Pancreatic Bleeding
- •Clinical Features
- •Hemorrhage in Pancreatitis
- •Hemorrhage Following Pancreatic Surgery
- •Imaging
- •Indications for Imaging and Embolization
- •Contraindications
- •Anatomy
- •Angiography and Embolization Equipment
- •Embolic Agents
- •Procedure Access
- •Angiography
- •Angiographic Appearance
- •Embolization for Post-pancreatitis Aneurysm and Pseudoaneurysm
- •Embolization for Post-operative Bleeding
- •Aftercare
- •Puncture Site
- •Post-embolization
- •Follow-Up
- •Safety
- •Bibliography
- •30 Embolization in Post-operative Hemorrhage
- •Clinical Features
- •Diagnostic Evaluation
- •Clinical
- •Laboratory
- •Imaging
- •Indications
- •Alternative Therapies
- •Surgical Repair
- •Alternative Interventional Techniques
- •Contraindications
- •Anatomic Considerations
- •Equipment
- •Medication
- •Systemic
- •Transcatheter
- •Procedure
- •Angiographic Appearance
- •Clinical Scenarios
- •Treatment Plan and Technique
- •Unstable Patients
- •Coagulopathic Patients
- •Active Extravasation
- •Pseudoaneurysm
- •Iatrogenic Injury During Central Line Placement
- •Post-embolization
- •Follow-Up
- •Repeat CT
- •Keypoints
- •Safety
- •Suggested Reading
- •31 Tract Embolization
- •General Concepts
- •Pre-procedure Evaluation
- •Indications for Tract Embolization
- •Contraindications
- •Material Selection
- •Operator Preference
- •Gelfoam
- •Metallic Coils
- •N-Butyl Cyanoacrylate
- •Autologous Clotted Blood/Blood Patch
- •Post-procedure Management
- •Complications
- •Results
- •Keypoints
- •References
- •32 Arterial Embolization Post-percutaneous Biopsy or Drainage
- •General Considerations
- •Bleeding Around Drains
- •Drainage Catheter Upsizing
- •Bleeding Following Biopsy
- •Risk Factors
- •Pre-procedure Evaluation
- •Patient Evaluation
- •Imaging
- •Laboratory
- •Indications for Embolization
- •Contraindications to Embolization
- •Treatment Plan and Technique
- •Pseudoaneuryms and Active Bleeding
- •Materials
- •Catheters and Microcatheters and Guidewires
- •Embolization Materials
- •Medications
- •Complications
- •Anatomy of the Lesion
- •Hematomas
- •Arteriovenous, Arterioportal, or Arteriobiliary Fistulae
- •Pseudoaneurysm
- •Bile Leaks
- •Vascular Anatomy
- •Native Liver
- •Transplanted Livers
- •Procedure/Steps
- •Embolization
- •Results
- •Complications
- •Renal Embolization Post-percutaneous Biopsy/Drainage
- •Anatomy of the Lesion
- •Hematomas
- •Arteriovenous Fistula (see Chapter 16)
- •Pseudoaneurysm
- •Vascular Anatomy
- •Native Kidneys
- •Transplanted Kidneys
- •Procedure/Steps
- •Native Kidneys
- •Transplant Kidneys
- •Results
- •Complications
- •Fatal Complication
- •Procedural Complication
- •Anatomy of the Lesion
- •Source of Bleeding
- •Imaging Findings
- •Vascular Anatomy
- •Procedure/Steps
- •Procedure Preparation
- •Angiography
- •Embolization
- •Results
- •Complications
- •Bibliography
- •33 Acute Nonvariceal Upper Gastrointestinal Hemorrhage
- •Clinical Features
- •Causes
- •Laboratory
- •Endoscopy
- •Imaging
- •Triple-Phase Multidetector Computed Tomography Angiography (CTA)
- •Indications for Embolization
- •Contraindications to Embolization
- •Anatomy
- •Embolic Agents
- •Procedure
- •Treatment Plan
- •Access
- •Angiography
- •Assessing the Lesion
- •Location
- •Gastric Bleeding
- •Duodenal Bleeding
- •Arterial Puncture Site
- •Follow-up
- •Alternative Therapies
- •Bibliography
- •34 Acute Lower Gastrointestinal (GI) Hemorrhage
- •Clinical Features
- •Diagnostic Evaluation
- •Laboratory
- •Tc-99 M RBC Study
- •Indications
- •Anatomy
- •Normal Anatomy
- •Anatomic Variation
- •Equipment
- •Embolic Agents
- •Medication
- •Procedure
- •Access
- •Treatment Plan and Technique
- •Embolization
- •Follow-Up
- •Alternative Therapies
- •Suggested Reading
- •35 Bronchial Artery Embolization
- •Clinical Features
- •Diagnostic Evaluation
- •Laboratory
- •Imaging
- •Life-Threatening Hemoptysis
- •BAE Should Also Be Considered in
- •Adjunctive and Alternative Therapies
- •Contraindications
- •All Complications Are Minimized by
- •Anatomy
- •Normal Bronchial Artery Anatomy
- •Key Points in Bronchial Arteriography
- •Aberrant/Variant Anatomy
- •Equipment
- •Catheters
- •Non-selective Catheters
- •Selective Catheters
- •Sheaths and Guide Catheters
- •Embolic Agents
- •Medication
- •Infection Control
- •Hydration
- •Angiography
- •Access and Angiography
- •Angiographic Appearance
- •Next, Identify Any Spinal Supply That
- •Embolization
- •Clinical Scenarios
- •Treatment Plan and Technique
- •Arterial Puncture Site
- •Post-embolization
- •Follow-Up
- •Keypoints
- •Safety
- •Suggested Reading
- •36 Pulmonary Hemorrhage (Non-bronchial)
- •Etiology
- •Causes of Pulmonary Arterial Hemorrhage
- •Diagnostic Evaluation
- •Laboratory
- •Imaging
- •Indications
- •Contraindications
- •Catheters
- •Embolic Agents
- •Medications
- •Procedure
- •Pulmonary Angiography
- •Assess Bleeding
- •Embolization
- •Suggested Reading
- •37 Endoleaks Following EVAR
- •Clinical Features
- •Diagnostic Evaluation
- •Laboratory
- •Imaging
- •Indications
- •Alternative Therapies
- •Contraindications
- •Anatomy
- •Normal Anatomy
- •Aberrant Anatomy
- •Catheters
- •Embolic Agents
- •Medication
- •Access
- •Angiography
- •Assessing the Lesion
- •Angiographic Appearance
- •Treatment Plan and Technique
- •Aftercare
- •Post-embolization
- •Follow-Up
- •Keypoints
- •Suggested Readings
- •Clinical Features
- •Diagnostic Evaluation
- •Laboratory
- •Imaging
- •Indications
- •Alternative Therapies
- •Contraindications
- •Anatomy
- •Normal Anatomy
- •Equipment
- •Catheters
- •Medication
- •Angiography
- •Access
- •Angiography
- •Assessing the Iliac Artery
- •Angiographic Appearance
- •Clinical Scenarios
- •Pre-EVAR Embolization
- •Embolization in Patients with IIAA
- •Aftercare
- •Arterial Puncture Site
- •Post-embolization
- •Follow-Up
- •Keypoints
- •Safety
- •Suggested Reading
- •39 Embolization of Visceral Arterial Aneurysms
- •Clinical Features
- •Natural History
- •Clinical Presentation
- •Rupture
- •Splenic Artery
- •Hepatic Artery
- •Celiac Artery
- •Superior Mesenteric Artery
- •Diagnostic Evaluation
- •Clinical
- •Laboratory
- •Imaging
- •Indications for Treatment
- •Contraindications to Treatment
- •Relevant Anatomy
- •Normal Anatomy ( ≈ 50%)
- •Aberrant Anatomy (≈ 44% with One Arterial Variant, ≈ 6% with Two Arterial Variants)
- •Equipment
- •Medication
- •Procedure
- •Alternative Therapies
- •Suggested Reading
- •40 Renal Artery Aneurysms
- •Clinical Features
- •Diagnostic Evaluation
- •Clinical
- •Laboratory
- •Imaging
- •Treatment Indications
- •Contraindications
- •Equipment
- •Procedure
- •Access
- •Angiography
- •Assessing Lesions
- •Forming a Treatment Plan
- •Covered Stent
- •Balloon Remodeling
- •Bare Stent Assisted
- •Primary Coiling
- •Performing the Embolization
- •Embolization Endpoint
- •Immediate Post-procedure Care
- •Long-Term Follow-Up
- •Results
- •Alternative Therapies
- •In Vivo Aneurysmectomy
- •Ex Vivo Resection and Autotransplant
- •Nephrectomy
- •Complications
- •Keypoints
- •Suggested Reading
- •41 Pre-operative Portal Vein Embolization
- •Pre-operative Portal Vein Embolization
- •Clinical Features
- •Laboratory
- •Imaging
- •Indications
- •Contraindications
- •Anatomy
- •Equipment
- •Catheters
- •Embolic Agents
- •Alternatives Include
- •Medications
- •Angiography
- •Access
- •Angiography
- •Embolic Agents
- •Medication
- •Angiography
- •Access
- •Angiography
- •Angiographic Appearance
- •Clinical Scenarios
- •Treatment Plan and Technique
- •Spontaneous Epistaxis
- •Treatment Plan and Technique
- •Additional Considerations
- •Follow-Up
- •Suggested Reading
- •42 Epistaxis
- •Clinical Features
- •Diagnostic Evaluation
- •Nasal Endoscopy
- •Imaging
- •Laboratory
- •Management of Epistaxis
- •Initial Therapy
- •Indications for Embolization
- •Contraindications
- •Anatomy
- •Normal Anatomy
- •Aberrant Anatomy
- •Equipment
- •Catheters
- •Hereditary Hemorrhagic Telangiectasia
- •Trauma Including Traumatic Pseudoaneurysms
- •Aftercare
- •Arterial Puncture Site
- •Post-embolization
- •Follow-Up
- •Keypoints
- •Safety
- •Bibliography
- •43 Meningiomas and Paragangliomas
- •Clinical Features
- •Diagnostic Evaluation
- •Laboratory
- •Imaging
- •Indications
- •Contraindications
- •Alternative Therapies
- •Anatomy
- •Normal Anatomy
- •Aberrant Anatomy
- •Strategy
- •Equipment
- •Embolic Agents
- •Medication
- •Procedure
- •Access
- •Angiography
- •Location
- •Angiographic Appearance
- •Treatment Plan and Technique
- •Arterial Puncture Site
- •Post-embolization Syndrome
- •Follow-Up
- •Keypoints
- •Safety
- •Clinical Features
- •Diagnostic Evaluation
- •Imaging/Investigation
- •Females with Pelvic Pain
- •Males with Varicocele
- •Indications
- •Females
- •Males
- •Male Varicocele
- •Contraindications
- •General
- •Complications
- •Anatomy
- •Normal Anatomy
- •Female
- •Male
- •Aberrant Anatomy
- •Catheters
- •Embolic Agents
- •Medication
- •Venography
- •Access
- •Venography
- •Transfemoral Route
- •Angiographic Appearance
- •Ovarian Vein
- •Spermatic Vein
- •Clinical Scenarios
- •Treatment Plan and Technique
- •Ovarian Vein
- •Spermatic Vein
- •Aftercare
- •Post-embolization
- •Follow-Up
- •Keypoints
- •Safety
- •Suggested Readings
- •45 Varicose Veins
- •Clinical Features
- •Natural History of Varicose Veins
- •Diagnostic Evaluation
- •Imaging
- •Indications for Treatment
- •Surgery
- •Contraindications
- •General Complications of Venous Ablation Therapy
- •Anatomy and Physiology
- •Normal Venous Anatomy
- •Normal Lower Limb Venous Physiology
- •Equipment
- •Imaging
- •Needles
- •Guidewires
- •Catheters/Introducer Sheaths
- •Miscellaneous
- •Medication
- •Treatment Plan and Technique
- •Thermal Ablation Therapy
- •Laser Therapy
- •Laser Equipment
- •Access
- •Treatment Technique
- •Radiofrequency Ablation Therapy
- •Radiofrequency Devices
- •Technique
- •Foam Sclerotherapy
- •Clinical Scenarios
- •Varicosities
- •Foam Sclerotherapy
- •Avulsions
- •Prominent Veins in Other Sites
- •Aftercare
- •Follow-Up
- •Safety
- •Suggested Reading
- •46 Lymphatic Malformations: Sclerotherapy
- •Clinical Features and Presentation
- •Occurrence
- •Manifestations
- •Diagnostic Evaluation
- •Imaging
- •Other Cystic Lesions in the Head and Neck
- •Treatment Options
- •Evidence for Sclerotherapy
- •Anatomy
- •Equipment
- •Catheters
- •Bleomycin
- •Doxycycline
- •Medication
- •Treatment Plan and Technique
- •Children
- •Technique
- •Follow-Up
- •Safety
- •Recommended Further Reading
- •47 Thoracic Duct Embolization
- •Diagnostic Evaluation/Laboratory
- •Imaging
- •Indications
- •Medical Therapies
- •Contraindications
- •Anatomy
- •Anatomic Variation
- •Equipment
- •Embolic Agents
- •Procedure
- •Preparation
- •Pedal Lymphography
- •Access
- •Treatment Plan and Technique
- •Embolization
- •Disruption of Lymph Channels
- •Case Example (Fig. 47.2)
- •Follow-Up
- •Suggested Reading
- •48 Post-partum Hemorrhage: Embolization and Endovascular Management
- •Clinical Features
- •Diagnostic Evaluation
- •Imaging
- •Indications for Intervention/Embolization
- •Contraindications to Intervention/Embolization
- •Anatomy
- •Equipment
- •Embolic Agents
- •Procedure
- •Therapeutic Embolization for Acute PPH
- •Access
- •Angiography
- •Embolization (See Fig. 48.1)
- •Prophylactic Interventions
- •Access
- •Angiography
- •Embolization
- •Arterial Puncture Site
- •Follow-Up
- •Alternative Therapies
- •Suggested Reading
- •Index

Index 497
DMSO, 56–57
EVOH, 56–57
lipiodol, 57–58
n-butyl cyanoacrylate, 54–55
sclerosants, 51–52
sodium tetradecyl sulfate, 53–54
Liquid embolics, 387
Liquid–metal coils, 22
Liver
embolization of right lobe of, 410
left lobe of, 412
tumor, 405
tumor, 406
Liver embolization post-percutaneous
biopsy/drainage
arteriobiliary fistulae, 317
hematomas, 317
indications for, 318
procedure/steps, 319–320
pseudoaneurysm, 317
vascular anatomy, 318–320
LM, see Lymphatic malformations (LM)
Lower extremity arteries, anatomy of, 253
Lower GI hemorrhage
angiography of, 345–346
clinical features of, 341
colonoscopy for, 347
computed tomographic angiogram of, 342
contraindications to, 343
embolization
access approach, 345
catheters for, 343
complications, 347
diverticular bleeding, 345
embolic agents for, 343–344, 346
patient follow-up, 346
indications for, 343
medication for, 344
Tc-99 M RBC study of, 341–342
Lower limb, injuries of, 258–259
Low-flow lesions
anatomy, 140
angiography, 141–142
blood tests, 139–140
clinical examination, 138
clinical features, 137
complications and contraindications, 140
indications for embolization, 139–140
medication, 141
post-embolization, 143
treatment plan and technique, 142–143
ultrasound and MRI of, 138–139
Low-flow priapism, 275
Lumax (Cook) coaxial catheter, 151
Lung embolization post-percutaneous
biopsy/drainage
indications for, 324–325
procedure/steps, 325–326
Lymhangioma in neck and chest, 463
Lymphatic malformations (LM), 175, 459
adults, 467
anatomy, 465
children, 466
classification, 460
clinical features, 459
diagnostic evaluation, 461
equipment
bleomycin, 465–466
catheters, 465
doxycycline, 466
follow-up, 468
imaging
CT, 463
cystic lesions, 463–464
MRI, 462–463
ultrasound, 462
laboratory, 462
manifestations, 460–461
medication, 466
occurrence, 459
post-embolization, 468
technique, 467
treatment options
contraindications, 464
evidence for sclerotherapy, 464–465
treatment plan and technique, 466, 467
M
MAA particles, see Macroaggregated albumin
(MAA) particles
Macroaggregated albumin (MAA) particles, 36
Macrocystic LN, ultrasound of, 462
Magnetic resonance imaging (MRI)
of HCC, 185
hypervascular mass in proximal humerus,
224
of thoracolumbar region, 473
venous malformation, 137–138
Major hemoptysis, 349
Massive hemoptysis, 90, 364, 369
causes of, 363
definition, 363
Massive intraparenchymal hemorrhage, 324
MCA, see Middle cerebral artery (MCA)
MDCT, see Multidetector computed
tomography (MDCT)

498 Index
MDCT trauma protocol, 110
Meningiomas
DSA images, 431, 432
extra-axial brain tumors, 425–433
location and supply, 428
Meningo-hypophyseal arteries, 418
Metallic coils for tract embolization, 306
Metastatic colorectal cancer, 406
Microcatheter, 11, 397
access into thoracic duct, 16
advantages and disadvantages of, 81
use of, 81, 82
Microcoil pushers, 21
Microcoils, 19–20, 257
Microcystic lesions, biopsy of, 462
Microfibrillar collagen, 48–49
Microspheres
acrylamido polyvinyl alcohol, 32
detectable, 37
doxorubicin-eluting, 35
drug-eluting, see Drug-eluting
microspheres
ibuprofen-loaded, 34
irinotecan-loaded, 34
radioactive, see Radioactive microspheres
90
Y, 36–37
Midazolam, 410
Middle cerebral artery (MCA), 428
Middle meningeal (MMA), 427
MMA, see Middle meningeal (MMA)
MRI, see Magnetic resonance imaging (MRI)
Multidetector computed tomography (MDCT),
87, 94
of hepatic artery aneurysm, 99
of pulmonary artery pseudoaneurysm, 89
radiation considerations, 108
of severely injured patient, 108
trauma protocol, 110
Multiloculated LM, with fluid levels in neck,
468
N
Nanoparticles and nanocapsules, 72
Nanotechnology, 72
Nasal endoscopy, 415
Nasal walls, arterial supply of, 419
n-BCA, see n-Butyl Cyanoacrylate (n-BCA)
n-Butyl Cyanoacrylate (n-BCA), 54–55
Neo-angiogenesis, 349
Neovascularization, 122
Nephrogram, 315
Nestor coils, array of, 18
Neuroendocrine hepatic metastases
alternative therapies for, 207
clinical features, 205
complications in, 209
contraindications to, 207
diagnostic evaluation, 206
embolization of
arterial access, 208
catheters and embolic agents, 209
indications for, 207
IR evaluation of, 209
medications for, 209
post-embolization syndrome in, 212
post-procedure follow-up, 194
treatment plan and technique, 211–212
Neurological deficits, 351–352
Nickel allergy, 18
Non-bronchial systemic artery supply, 87–88
Non-selective angiography of HCC, 192–193
Non-spherical PVA particles, 31
Non-target embolization
cause of, 123
clinical assessment, 124
risk of, 126
of small vessels, 12–13
Nutcracker phenomenon, 438
O
Occluded deep vein, 448
Occlusion balloons, 82
Octreoscan of metastatic neuroendocrine
tumor, 211
Octreotide, 208, 479
Odontophagia, 352
Ovarian arteries, 482
Ovarian venograms, 440
P
Pain in PES, 130
Pampiniform plexus drains, 438
Pancreatic enzymes, leakage of, 283
Pancreatic hemorrhage
angiography of, 288
flush/selective, 288
pseudoaneurysm, 288
clinical features of, 283
contrast-enhanced CT scan of, 284–285
diagnostic evaluation, 284
embolization
access approach, 288
aftercare, 290
catheters, 287
embolic agents, 287–288
patient follow-up, 290–291
for post-operative bleeding, 290

Index 499
for post-pancreatitis aneurysm and
pseudoaneurysm, 289–290
indications and contraindications for, 285
mortality rate for, 283
Paragangliomas
anatomy
aberrant, 428
normal, 427
strategy, 429
angiographic a ppearance, 432
arterial puncture site, 433
clinical features, 425
diagnostic evaluation
alternative therapies, 427
contraindications, 426–427
imaging, 426
indications, 426
laboratory, 425
specific complications, 427
embolic agents, 429
equipment, 429
follow-up imaging, 433
glomus tumors, 425
location and supply, 428
location of, 431–432
medication
general anesthesia, 429
heparin, 429
lidocaine, 430
sickness control, 430
post-embolization syndrome, 433
procedure
access, 430
angiography, 430
treatment plan and technique, 432–433
Parenchymal phase angiogram, 211
Patient-controlled analgesia (PCA), 117
for PES, 132–133
PAVM s , see Pulmonary arterio-venous
malformations (PAVMs)
PCA, see Patient-controlled analgesia (PCA);
Posterior cerebral artery (PCA)
Pedal lymphangiography, 472
Pedal lymphography, 477
Pelvic congestion syndrome, 435
Pelvic fractures
embolization of hemorrhage due to
catheters for, 245, 243–244
embolic agents for, 254
hemorrhage due to, 241
arteriography of, 244–245
complications in, 242–243
contraindications for, 242
imaging of, 242
indications for, 242
laboratory examination of, 242
management of, 246
types of, 241
Pelvic ultrasound (US), 233
Pelvic varicosities, 436
Pelvic venous system, 440
Penis
anatomy, 276–277
cavernosal blush at base of, 280
Percutaneous biopsy, 384
Percutaneous thrombin injection, 389
Percutaneous transhepatic biliary drainage
(PTBD), 317
Perforator, RF SEPS needle, 449
Peripheral vascular malformations
high-flow lesions
alternative therapies, 143
anatomy, 144
angiography, 144–145
blood tests, 139
clinical examination, 143
contraindications, 144
embolic agents for, 144
indications for embolization, 143
medication, 144
patient follow-up, 146
post-embolization, 146
treatment plan and technique, 145–146
ultrasound and MRI of, 143
low-flow lesions
anatomy, 140
angiography, 141–142
blood tests, 139
clinical examination, 138
clinical features, 137
complications and contraindications,
140
indications for embolization, 139–140
medication, 141
post-embolization, 143
treatment plan and technique, 142–143
ultrasound and MRI of, 138–139
Permanent particulate embolization agents
bio-active particles, 34
classification, 29
detectable agents, 37
drug-eluting microspheres, see
Drug-eluting microspheres
hydrogel–polyzene F microspheres, 33
injection of, 39
mechanism of action of, 31

500 Index
physical properties, 30–31
preparation of, 38
PVA, 31–32, 190
tris-acryl microspheres, 29, 33
PES, see Post-embolization syndrome (PES)
Pial supply, 430
Pledgets, 47–48
Pleuritic pain in PAVM, 150
Polyvinyl alcohol particles (PVA), 343, 420,
429
for HCC embolization, 190
microspheres, 32–33
non-spherical, 31
recanalization of, 31
Portal vein embolization, 405
Portal venography, 407, 411
Portal venous system, 406
Post-biopsy hemorrhage
around drain site, 311
embolization
AV shunt, 314
complications associated with, 314–315
contraindications to, 314
embolic agents for, 334
indications for, 313
pseudoaneurysm, 314
pre-procedure evaluation
imaging, 313
laboratory tests, 313
patient evaluation, 312–313
risk factors for, 312
Post-embolization syndrome (PES), 124, 387,
389
clinical manifestations of, 129
diagnostic evaluation of
ultrasound and computed tomography,
131
white cells, 130
intraprocedural management of, 132
pathophysiology of, 129
post-procedure management of, 133
pre-procedural care of, 132
prevention of, 131
Posterior cerebral artery (PCA), 428
Post-operative hemorrhage
angiography of, 298
causes of, 293
challenges in post-operative patient, 296
clinical evaluation of, 293–294
coagulopathic patients, 299
contraindications in, 295–296
contrast-enhanced computed tomography
of, 294
embolization of
catheter for, 296–297
complications in, 296
embolic agents for, 297, 299
indications for, 294–295
patient follow-up, 300
procedure of, 297
pseudoaneurysm in, 299
surgical repair of, 295
unstable patients, 299
Post-pancreatico-duodenectomy hemorrhage,
283
Post-pancreatitis aneurysm, embolization for,
289–290
Post-partum hemorrhage (PPH)
clinical features, 481
diagnostic evaluation, 481
intervention/embolization
for acute PPH, 483–484
arterial puncture site, 485–486
contraindications to, 482
embolic agents for, 482–483
equipments for, 482
indications for, 482
patient follow-up, 486
prophylactic, 484–485
Post-procedural pain control, 117
Post-UAE T1 sagittal, 233
Powder, 46–47
PPH, see Post-partum hemorrhage (PPH)
Pre-embolization imaging
benefit in patients, 85–86
in clinical scenarios, 87
acute gastrointestinal tract hemorrhage,
92
bone tumor, 223
pulmonary arterio-venous
malformations, 88–92
thoracic embolization, 87–88
trauma, 96–97
true aneurysms of visceral arteries,
98–100
uterine leimyoma, 231
contrast enhancement in, 87
role of, 85
technique, 86–87
Pre-endovascular aneurysm repair
embolization, 377
embolic agents for, 380
goal of, 380
occlusion of internal iliac artery in, 381
Pre-operative portal vein embolization
aftercare, 412

Index 501
angiography
access, 410
clinical features, 405–406
diagnostic evaluation
alternatives include, 410
anatomy, 407
catheters, 408–409
contraindications, 407
embolic agents, 409
equipment, 407
imaging, 406
indications, 406
laboratory, 406
medications, 410
specific complications, 407
follow-up, 412
treatment plan and technique, 411
Pre-procedural CT, 90
Pre-sedation patient assessment, key factors in,
112
Pre-UAE T1 sagittal, 232–233
Priapism
alternative therapies for, 277
classification of, 275
complications of, 277
definition, 275
diagnostic evaluation of, 276
embolization of
aftercare of, 279–280
catheters for, 278
embolic agents for, 278
patient follow-up, 280
indications for
angiography, 276–277
embolization, 277
Proximal embolization, 269
Proximal splenic artery, 393
Pseudoaneurysm
from central line placement, 300
coils, 391–392
embolization for, 289–290
in post-operative hemorrhage, 300
rupture of, 286
PTBD, see Percutaneous transhepatic biliary
drainage (PTBD)
Pubic symphaseal artery, 243
Pulmonary angiography, 368
Pulmonary arterial and venous bleeding, 349
Pulmonary arterial hemorrhage
angiography of, 365
causes of, 363–364
CECT scan of, 364–365
contraindications to, 365
embolization
catheterization techniques, 367
catheters for, 366
communication to pulmonary veins,
368
complications, 369–370
embolic agent for, 366
patient follow-up, 369–370
indications for, 365
laboratory assessment, 364
Pulmonary arterial pressures, 368
Pulmonary arterio-venous malformations
(PAVMs)
angiography of, 152–153
clinical presentation of
diffuse PAVMs, 148
HHT, 147–148
contraindications and complications, 150
diagnostic evaluation of, 149
embolization therapy
aftercare, 155
catheters and embolic agents for, 151
treatment plan and technique, 152–155
follow-up, 155
indications for, 150
medication for, 151
pre-procedure imaging of, 90–94
Pulmonary artery pseudoaneurysmal disease,
90
Pulmonary fibrosis and massive hemoptysis,
92
Pulmonary vein and artery, communications
with, 358
R
RAA, see Renal artery aneurysms (RAA)
Radial and ulnar artery injuries, 258
Radioactive microspheres
considerations relating, 36–37
types of, 36
Radioembolization, 36–37, 191
in hepatic metastases, 201
Radiofrequency (RF)
for occlusion of blood vessels, 62
probes f or, 67
Radionuclide scans of post-operative
hemorrhage, 294
Ranulas, 463
RCC, see Renal cell cancer (RCC)
Reflux, prevention of, 123
Renal artery aneurysms (RAA), 395
alternative therapies
autotransplantation, 400

502 Index
ex vivo resection, 400
nephrectomy, 400
in vivo aneurysmectomy, 400
aneurysm, direct coiling of, 401
balloon assisted remodeling, schematic
showing, 401
complications, 400
contraindications, 396
diagnostic evaluation, 395
equipment, 396
FMD, background of, 402
hypertension, 395
imaging, 396
intraparenchymal lesions, 397
results, 399
treatment indications, 396
treatment plan
balloon remodeling, 397–398
covered stents, 397
embolization procedure, 399
immediate post-procedure care, 399
long-term follow-up, 399
primary coiling, 398
stent-assisted coiling, 398
Renal AVF, 164
Renal biopsy/drainage, vascular complications
after
embolization of, see Renal embolization
post-percutaneous biopsy/drainage
hematomas, 320–321
prevalence of, 320
pseudoaneurysm in, 320
Renal cell cancer (RCC), 215
See also Renal tumor
Renal embolization post-percutaneous
biopsy/drainage
indications for, 320
procedure/steps in
complications, 322–323
native kidneys, 321
transplant kidneys, 321–322
Renal tumor
clinical features, 215
contraindications for, 216
diagnostic evaluation, 215–216
indications for, 216
post-embolization with spongestan, 216
pre-embolization CT, 216
Renal tumor embolization, 215
in AML, 220
arterial puncture site, 220
cathethers in, 218
choice of agent in, 218
follow-up, 221
medication, 218
in patients with inoperable cancer, 220
PES in, 221
pre-operative, 219–220
procedure
access approach, 218
flush aortography, 219
lesion assessment, 219
Renal veins, 438
Retroperitoneal lymph vessels, anatomy of,
475
Reverse curve catheter, 77–78
RF generator, 65
Right portal vein, embolization of, 411
Routine care equipment, 114
Rupture
anemia, 385
hepatic artery, 383
hepatobiliary tract, 385
mortality rate of, 385
non-fatal, 384
pregnancy, 383
risk factor for, 385
splenic artery, 373
S
Sandwich technique, 388
Sapheno-femoral vein junction (SFJ), 447
Sapheno-popliteal vein (SPJ), 447, 449
Scaffold technique, 22
Sclerosants, 11, 51–52
Sclerosis, 61
Sclerotherapy, 464
Sedation
and analgesia, 111
anesthesiology assistance during, 116–117
during embolization procedures, 113–114
following embolization procedures, 117
medications for, 115
for PES, 132
Selective angiography
of left internal iliac artery, 280
of LGA, 289
of right lumbar artery, 315
Selective catheterization
of celiac artery, 79
end hole-only catheter for, 10
guidewires for, 83
hydrophilic-coated nitinol wire for, 84
stable catheter position, 9–10
wedging, 11–12
of youthful, elastic arteries, 78

Index 503
Selective inferior pancreatico-duodenal
arteriography, 285
SFJ, see Sapheno-femoral vein junction (SFJ)
Sidewinder catheter, 77
Silk suture, 17
Single-curve catheters, 78
Single end hole catheters, 10
Skin
changes in, 446
sloughing, 418
Slurry
applications, 45
mode of action, 44
physical properties, 43–44
preparation, 44
SMA, see Superior mesenteric arteriogram
(SMA)
Small post-biopsy renal AVF, 164
Sodium tetradecyl sulphate (STD), 53–54, 454
Somatastatin, 474–475
SPJ, see Sapheno-popliteal vein (SPJ)
Splenic arterial pseudoaneurysm, 391
Splenic artery aneurysms, thrombin injection
of, 389
Splenic embolization
complications of, 269
distal, 269, 272
proximal, 269–270
vs. splenectomy, 268
STD, see Sodium tetradecyl sulphate (STD)
Stent-assisted coiling, 398
Stent-grafts, 387–388
Stent-supported embolization technique, 23
Superior mesenteric arteriogram (SMA), 333
Superselective catheterization of bronchial
artery, 30
Support wires, 84
T
TAC E , see Transarterial chemoembolization
(TACE)
Takayasu’s arteritis, 385
Target lesion, arterial and venous anatomy of, 5
Tc-99 MAA scan, see Technetium-99
macroaggregated albumin (Tc-99
MAA) scan
Technetium-99 macroaggregated albumin
(Tc-99 MAA) scan
of liver tumors, 197
of lower GI hemorrhage, 341–342
Temporary embolic agents
autologous blood clot, see autologous
blood clot
gelatin sponge, 43
indications for using, 39
microfibrillar collagen, 48–49
pledgets, 47–48
powder, 46–47
slurrry, see slurrry
Terumo Progreat microcatheter, 80
TESPAL, see Transnasal endoscopic
sphenopalatine artery ligation
(TESPAL)
Thoracic duct, anatomy of, 476
Thoracic embolization, pre-procedure imaging
of
hemoptysis, 87–88
pulmonary arterio-venous malformations,
88–92
Thrombus formation, promotion of, 15
Tissue heating, 61–62
Tissue necrosis, 127
TLS, see Tumor lysis syndrome (TLS)
Tract embolization
after liver biopsy, 309
autologous clotted blood/blood patch, 308
complications, 308
complications for, 306
gelfoam for, 307
indications for, 305–306
metallic coil for, 307
n-butyl cyanoacrylate for, 307–308
operator preference for, 306
post-procedure management, 308
procedural steps, 307
Transarterial chemoembolization (TACE), 187
in hepatic metastases, 201
Transnasal endoscopic sphenopalatine artery
ligation (TESPAL), 416
Transvaginal ultrasound (TVUS)
of UAE, 234
Trauma
embolization, 190
imaging of
angiography, 107–108
contrast-enhanced CT, 263
contrast-enhanced MDCT, 105–107
conventional radiography, 105
FAST scan, 105, 262
image reconstruction, 106
MDCT, 104–105
pre-procedure, 96–98
rationale for early, 104
importance of blood pressure in, 261–262
trimodal distribution of mortality in,
103–104

504 Index
Traumatic arteriovenous fistulae, 163–164
Tris-acryl microspheres embosphere, 29, 33,
38
True aneurysms of visceral arteries,
pre-procedure imaging of
aneurysm neck size, 100
image interpretation, 98–100
indications for, 98
Truncal vein ablation, 454
Tumescent analgesia, 451
ultrasound-guided injection of, 452
Tumor embolization
biological effects of, 179
outcomes, 7
Tumor lysis syndrome (TLS), 181
Tumor, visualization of, 430
TVUS, see Transvaginal ultrasound (TVUS)
Tympanic plexus, 425
Tympanicum, see Tympanic plexus
U
UAE, see Uterine artery embolization (UAE)
UGIH, see Upper gastrointestinal hemorrhage
(UGIH)
Ulceration, 447
Ultrasound generator, 65
Ultrasound (US), 386
of post-operative hemorrhage, 293
venous malformation, 138–139
Upper extremity arteries, anatomy of, 252–253
Upper gastrointestinal hemorrhage (UGIH)
angiography of, 334–336
catheter-directed vasopressin infusion for,
339
cause of, 329–330
clinical features, 329
CTA of, 331–332, 335
definition, 329
diagnostic evaluation
endoscopy, 331
laboratory examination, 330
embolization
catheters for, 333
contraindications to, 332
embolic agents for, 334
of gastroduodenal artery, 336, 338
indications for, 332
of left gastric artery, 334
patient follow-up, 338–339
technique, 336
medication for, 334
treatment plan, 334
Upper GI arterial anatomy, 332–333
Upper limb, injuries of, 256
US, see Ultrasound (US)
Uterine arteries, 482
anatomy of, 235
angiography of, 236–238
re-embolization of, 238
Uterine artery embolization (UAE)
bilateral femoral arterial approach in, 236
catheter for, 78–79, 235
catheterization
of celiac axis and SMA, 79
of ipsilateral internal iliac artery, 78
complications associated with, 239
contraindications for, 234–235
embolic agents for, 236
follow-up, 238
indications for, 234
pain management, 236
PES after, 238
pre-treatment patient information in, 235
recommended particle size for, 38
treatment failures, 238
Uterine leimyoma
diagnostic evaluation
imaging, 232–234
laboratory tests, 231–232
symptoms of, 231
V
VAA, see Visceral arterial aneurysms (VAA)
Vag a l e , see Va g a l n e r v e
Vagal nerve, 425
Valsalva manoeuvre, 442
Varicose veins
aftercare, 456
alternative therapies
contraindications, 448
foam sclerotherapy, specific
complications of, 449
surgery, 448
thermal ablation, specific complications
of, 449
venous ablation therapy, general
complications of, 448–449
avulsions, 454
clinical features, 445
clinical scenarios, 454–455
definition of, 445
diagnostic evaluation, 446–447
equipment
catheters/introducer sheaths, 450
guidewires, 450

Index 505
imaging, 450
needles, 450
foam sclerotherapy, 453, 455
follow-up, 456–457
imaging, aim of, 447
laser therapy, 452
medication, 451
natural history, 446
normal lower limb venous physiology, 450
normal venous anatomy, 449–450
prominent veins, 455–456
radiofrequency ablation therapy
radiofrequency devices, 453
technique, 453
thermal ablation therapy, 451
treatment, indications for, 447
treatment plan and technique, 451
treatment technique, 452–453
varicosities, 455
venous insufficiency, causes of, 445–446
Varicosities, 455
Vascular anatomy, 225
Vascular embolization, gene therapy for, 71
Vascular malformations, 415
Vascular occlusion, controlling level of, 5
Vascular occlusion device
attributes of, 15
mechanism of action of, 15–16
Vascular sheaths
with hemostatic valve, 82
sizing of, 82–83
Venous anatomy of target lesion, 5
Venous approach, 169
Venous malformation
composite T2-weighted fat-saturated image
of, 176
in KTS, 175–176
Vessel occlusion, heat-induced, 66
by lasers, 62–65
by radiofrequency, 65–66
Visceral arterial aneurysms (VAA), 383
aberrant anatomy, 387
celiac artery, 385
clinical features, 383
complications, reduction methods, 389
conservative, 389
diagnostic evaluation
clinical, 385
contraindications, 386–387
imaging, 386
indications for, 386
laboratory, 386
embolization of
anticoagulation, 388
equipment, 387
procedure, 388
results, 389
sedation and analgesia, 387
hepatic artery, 384–385
natural history, 383
percutaneous thrombin injection, 389
relevant anatomy, 387
ruptures, 383–384
splenic artery, 384
superior mesenteric artery, 381
surgery, 389
W
Waltman loop technique, 78–79
Wires, 387
Y
90
Y microspheres
considerations relating, 36–37
types of, 36
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