Daniel J. Amaranto, BA, Edward C. Wang, PhD, Mark K

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Normal preoperative white blood cell count is predictive of outcomes for endovascular procedures Daniel J. Amaranto, BA, Edward C. Wang, PhD, Mark K. Eskandari, MD, Mark D. Morasch, MD, Heron E. Rodriguez, MD, William H. Pearce, MD, Melina R. Kibbe, MD Journal of Vascular Surgery Volume 54, Issue 5, Pages 1395-1403.e2 (November 2011) DOI: 10.1016/j.jvs.2011.04.063 Copyright © 2011 Terms and Conditions

Fig 1 Patient population cohort. Procedures included in the analysis had a normal preoperative white blood cell count (WBC) and were divided into endovascular and open cohorts. The endovascular cohort included patients who underwent carotid artery stenting (CAS), endovascular repair of abdominal aortic aneurysm (EVAR), endovascular repair of thoracoabdominal aortic aneurysm (TEVAR), and lower extremity stenting (LES). The open vascular cohort included patients who underwent carotid endarterectomy (CEA), open repair of abdominal aortic aneurysm (AAA), open repair of thoracoabdominal aortic aneurysm (TAAA), and lower extremity bypass grafting (LEB). Journal of Vascular Surgery 2011 54, 1395-1403.e2DOI: (10.1016/j.jvs.2011.04.063) Copyright © 2011 Terms and Conditions

Fig 2 A, Postoperative complication rate by white blood cell count (WBC) count for endovascular (Endo) and open vascular (Open) cohorts. Within the normal WBC range, the Cochran-Armitage test shows a significant linear trend between the WBC count and postoperative complications for the Endo (Z = 3.02, P = .0025), but not the Open (Z = −.12, P = .9053) group. Including the abnormally high WBC range, the Cochran-Armitage test also shows a significant linear trend between the WBC count and postoperative complications for the Endo (Z = 4.84, P < .0001), but not the Open (Z = .76, P = .4470) group. B, Postoperative MAE rate by WBC count for endovascular (Endo) and open vascular (Open) cohorts. Within the normal WBC range, the Cochran-Armitage test shows a significant linear trend between the WBC count and postoperative MAE for the Endo (Z = 3.62, P = .0093), but not the Open (Z = .55, P = .5805) group. Including the abnormally high WBC range, the Cochran-Armitage test also shows a significant linear trend between the WBC count and postoperative complications for the Endo (Z = 5.24, P ≤ .0001), but not the Open (Z = .50, P = .6157) group. C, Postoperative death rate by WBC count for endovascular (Endo) and open vascular (Open) cohorts. Within the normal WBC range, the Cochran-Armitage test shows a significant linear trend between the WBC count and postoperative mortality for the Endo (Z = 2.92, P = .0035), but not the Open (Z = −.09, P = .9287) group. Including the abnormally high WBC range, the Cochran-Armitage test also shows a significant linear trend between the WBC count and postoperative complications for the Endo (Z = 3.77, P = .0002), but not for Open (Z = −.16, P = .8707) group. Journal of Vascular Surgery 2011 54, 1395-1403.e2DOI: (10.1016/j.jvs.2011.04.063) Copyright © 2011 Terms and Conditions