E. Jerry Cohn, MD, Gail P. Sandager, RN, RVT, Marshall E

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Assessment of ocular perfusion after carotid endarterectomy with color-flow duplex scanning E.Jerry Cohn, MD, Gail P. Sandager, RN, RVT, Marshall E. Benjamin, MD, RVT, Michael P. Lilly, MD, Dinah J. Hanna, MD, William R. Flinn, MD Journal of Vascular Surgery Volume 29, Issue 4, Pages 665-671 (April 1999) DOI: 10.1016/S0741-5214(99)70312-5 Copyright © 1999 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

Fig 1 Flow velocity waveforms from left (top left) and right (bottom left) opthalmic artery and left (top right) and right (bottom right) central retinal artery in patient with severe right internal carotid stenosis. Peak systolic velocities in right opthalmic artery (21.9 cm/s) and central retinal artery (6.4 cm/s) are significantly reduced. Journal of Vascular Surgery 1999 29, 665-671DOI: (10.1016/S0741-5214(99)70312-5) Copyright © 1999 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

Fig 2 Bar graphs display mean preoperative and postoperative peak systolic velocities (PSVs) in opthalmic artery (OA) and central retinal artery (CRA) for all patients in this study. Normative values previously established in our laboratory also are displayed (solid bar). Statistically significant increases (*) in peak systolic velocity in opthalmic artery and central retinal artery were observed after carotid endarterectomy (CEA). Journal of Vascular Surgery 1999 29, 665-671DOI: (10.1016/S0741-5214(99)70312-5) Copyright © 1999 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

Fig 3 Bar graphs display preoperative mean peak systolic velocities in opthalmic artery (OA) and central retinal artery (CRA) in patients with eye symptoms as compared with those patients without eye symptoms. Normative values (solid bar) are displayed for comparison. Patients with eye symptoms had significantly lower mean peak systolic velocities in central retinal arteries (*). Journal of Vascular Surgery 1999 29, 665-671DOI: (10.1016/S0741-5214(99)70312-5) Copyright © 1999 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions