Duplex–assisted internal carotid artery balloon angioplasty and stent placement: A novel approach to minimize or eliminate the use of contrast material

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Presentation transcript:

Duplex–assisted internal carotid artery balloon angioplasty and stent placement: A novel approach to minimize or eliminate the use of contrast material Enrico Ascher, MD, Natalie A. Marks, MD, RVT, Richard W. Schutzer, MD, Anil P. Hingorani, MD Journal of Vascular Surgery Volume 41, Issue 3, Pages 409-415 (March 2005) DOI: 10.1016/j.jvs.2004.12.040 Copyright © 2005 The Society for Vascular Surgery Terms and Conditions

Fig 1 Power Doppler image of the common and internal carotid arteries, outlining a severe stenosis at the proximal internal carotid artery. Journal of Vascular Surgery 2005 41, 409-415DOI: (10.1016/j.jvs.2004.12.040) Copyright © 2005 The Society for Vascular Surgery Terms and Conditions

Fig 2 Stent positioned across the lesion in the internal carotid artery. Journal of Vascular Surgery 2005 41, 409-415DOI: (10.1016/j.jvs.2004.12.040) Copyright © 2005 The Society for Vascular Surgery Terms and Conditions

Fig 3 Deployment of the distal stent portion in the internal carotid artery. Journal of Vascular Surgery 2005 41, 409-415DOI: (10.1016/j.jvs.2004.12.040) Copyright © 2005 The Society for Vascular Surgery Terms and Conditions

Fig 4 Proximal portion of the stent deployed in the common carotid artery. Journal of Vascular Surgery 2005 41, 409-415DOI: (10.1016/j.jvs.2004.12.040) Copyright © 2005 The Society for Vascular Surgery Terms and Conditions

Fig 5 Balloon dilation of the carotid artery stenosis after stent placement. Journal of Vascular Surgery 2005 41, 409-415DOI: (10.1016/j.jvs.2004.12.040) Copyright © 2005 The Society for Vascular Surgery Terms and Conditions

Fig 6 Completion B-mode image shows unobstructed common and internal carotid arteries. Journal of Vascular Surgery 2005 41, 409-415DOI: (10.1016/j.jvs.2004.12.040) Copyright © 2005 The Society for Vascular Surgery Terms and Conditions

Fig 7 Peak systolic velocities decreased from 487 to 40 cm/s after carotid balloon angioplasty and stenting. As shown, the internal carotid artery volume flow is 155.5 mL/min. Journal of Vascular Surgery 2005 41, 409-415DOI: (10.1016/j.jvs.2004.12.040) Copyright © 2005 The Society for Vascular Surgery Terms and Conditions