Carotid Artery Disease: Ultrasound Guided Stenting · Carotid Artery Disease: Ultrasound Guided...
Transcript of Carotid Artery Disease: Ultrasound Guided Stenting · Carotid Artery Disease: Ultrasound Guided...
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Carotid Artery Disease:
Ultrasound Guided Stenting
NYU-Langone Hospital, Brooklyn &
The Vascular Institute of New York ®
Enrico Ascher, MD
Natalie Marks, MD
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No disclosures
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➔ 795,000 new / recurrent stroke/year
➔ #1 cause of disability
➔ 3rd leading cause of death
➔ $75.8 billion in 2013
American Heart Association
Stroke: Scope of the Problem
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US Presidents
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2-3 cm incision
Mini-Incision Carotid Endarterectomy
JVS - 2005
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Overall Stroke / Mortality Rates:
1060 patients / 1200 cases
Stroke 11 ( 0.9 % )
Death 5 ( 0.4 % )
Combined 15 ( 1.25 % )
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Serum Creatinine & CEA Complications
166 pts
Creatinine
(mg/dL)1.5 – 2 2.1- 3 > 3
Patients 103 41 22
Stroke 1 0 1
Mortality 1 0 4
Combined 2 (1.9%) 0 4 (18%)
p < 0.01
**
*
*
** p < 0.02
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Improved Results:
Decreasing Mortality
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Duplex-Guided Carotid Stenting
Limitations
⚫ Aortic branches visualization
Filter deployment
⚫ Cerebral vasculature imaging
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Aortic Arch MRI
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Bovine Aortic Arch
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⚫ Age 74 ( 44 – 92 )
⚫ Primary 26 ( 63 % )
⚫ Restenosis 15 ( 37 % )
Duplex - Assisted Carotid Stenting
41 Cases
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⚫ HTN 86 %
⚫ CRI 52 %
⚫ CAD 51 %
⚫ DM 40 %
⚫ Smoking 31 %
Risk factors ( 41 cases )
Duplex - Assisted Carotid Stenting
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ICA & CCA Duplex Mapping
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Duplex –Guided Arterial Cannulation
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Duplex - Assisted Carotid Stenting
Fluoroscopy
Cannulation
Ipsilateral CCA
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Primary Duplex - Assisted Carotid Stenting
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Protection Device Position
➔
➔
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Primary Duplex - Assisted Carotid Stenting
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⚫ Filterwire EZ 39 cases
⚫ Debris 18 cases ( 46% )
Duplex - Assisted Carotid Stenting
®
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⚫ Mean 48 min ± 20
⚫ Range 26 min –90 min
⚫ CCA cannulation
➔ Left ( 25 ) 33 min ± 25
➔ Right ( 16 ) 14 min ± 8
Procedure duration
* P < 0.04
*
Duplex - Assisted Carotid Stenting
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Cerebral Arteriography
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Current Indications for Stenting
⚫ Previous carotid endarterectomy
⚫ Previous major neck surgery
⚫ Radiation therapy to the neck
⚫ Surgically inaccessible lesion
⚫ Vocal cord palsy
⚫ High risk patient for surgery
⚫ Serum Creatinine ≥ 3
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J Vasc Surg
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Interventional
Vascular
Ultrasound
A New Vascular Surgery
Sub-Specialty
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Carotid Artery Disease:
Ultrasound Guided Stenting
NYU-Langone Hospital, Brooklyn &
The Vascular Institute of New York ®
Enrico Ascher, MD
Natalie Marks, MD