Reverse diastolic flow in the common carotid artery in severe aortic regurgitation, causing brain ischemia Naoto Morimoto, MD, Keisuke Morimoto, MD,

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Presentation transcript:

Reverse diastolic flow in the common carotid artery in severe aortic regurgitation, causing brain ischemia Naoto Morimoto, MD, Keisuke Morimoto, MD, Yoshihisa Morimoto, MD, Toshihito Sakamoto, MD, Masamichi Matsumori, MD, Kenji Okada, MD, Yutaka Okita, MD The Journal of Thoracic and Cardiovascular Surgery Volume 135, Issue 5, Pages 1176-1177 (May 2008) DOI: 10.1016/j.jtcvs.2008.01.010 Copyright © 2008 The American Association for Thoracic Surgery Terms and Conditions

Figure 1 Serial duplex scans of right CCA. Although carotid flow pattern was normal after previous aortic surgery (A), diastolic flow was reversed before aortic valve surgery (B). After aortic valve replacement, diastolic flow pattern was normalized (C). RT, ; CCA, right common carotid artery. The Journal of Thoracic and Cardiovascular Surgery 2008 135, 1176-1177DOI: (10.1016/j.jtcvs.2008.01.010) Copyright © 2008 The American Association for Thoracic Surgery Terms and Conditions

Figure 2 A, Rest images of 123I-IMP single photon emission computed tomography. Before aortic valve replacement, cerebral blood flow was impaired in most of the right middle cerebral artery territory. B, After the procedure, whole brain circulation was normalized. Images of stereotactic extraction estimation before (C) and after (D) aortic valve replacement. Staging map images show that resting cerebral blood flow was reduced in the anterior half of the right middle cerebral artery territory before the surgery and was normalized after surgery. CBF, Cerebral blood flow. The Journal of Thoracic and Cardiovascular Surgery 2008 135, 1176-1177DOI: (10.1016/j.jtcvs.2008.01.010) Copyright © 2008 The American Association for Thoracic Surgery Terms and Conditions