Carotid endarterectomy performed in the morning is associated with increased cerebral microembolization David Bowden, MB, BChir, Natalie Hayes, MD, FRCS,

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Presentation transcript:

Carotid endarterectomy performed in the morning is associated with increased cerebral microembolization David Bowden, MB, BChir, Natalie Hayes, MD, FRCS, Nicholas London, MD, FRCS, Peter Bell, MD, FRCS, A. Ross Naylor, MD, FRCS, Paul Hayes, MD, FRCS Journal of Vascular Surgery Volume 50, Issue 1, Pages 48-53 (July 2009) DOI: 10.1016/j.jvs.2009.01.011 Copyright © 2009 Terms and Conditions

Fig 1 A comparison of the numbers of postoperative emboli recorded after carotid endarterectomy (CEA), split into groups according to whether the operation finished before or after midday. The data has been log(n) transformed to enable graphic representation of the emboli numbers. Journal of Vascular Surgery 2009 50, 48-53DOI: (10.1016/j.jvs.2009.01.011) Copyright © 2009 Terms and Conditions

Fig 2 The proportion of patients with no emboli rises after midday. Journal of Vascular Surgery 2009 50, 48-53DOI: (10.1016/j.jvs.2009.01.011) Copyright © 2009 Terms and Conditions

Fig 3 Start time displays a significant correlation with magnitude of postoperative embolization. Trend line inserted (P = .02). Journal of Vascular Surgery 2009 50, 48-53DOI: (10.1016/j.jvs.2009.01.011) Copyright © 2009 Terms and Conditions

Fig 4 Need for Dextran-40 relative to operation start and finish times. Journal of Vascular Surgery 2009 50, 48-53DOI: (10.1016/j.jvs.2009.01.011) Copyright © 2009 Terms and Conditions