Saad Al-Ali, MBChB, PhD, Benson S. Chen, Alistair T

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Presentation transcript:

Adequacy of brain and spinal blood supply with antegrade cerebral perfusion in a rat model Saad Al-Ali, MBChB, PhD, Benson S. Chen, Alistair T. Papali’i-Curtin, Anna R. Timmings, Colleen Bergin, MBChB, Am Bd Cert Rad, Peter Raudkivi, MBChB, FRACS, Jeremy Cooper, MBChB, FFARACS, FANZCA The Journal of Thoracic and Cardiovascular Surgery Volume 141, Issue 4, Pages 1070-1076 (April 2011) DOI: 10.1016/j.jtcvs.2011.01.027 Copyright © 2011 The American Association for Thoracic Surgery Terms and Conditions

Figure 1 Position of ligatures and vessels perfused. Position of ligatures indicated by white boxes. A, Control. B, Unilateral cerebral perfusion. C, Bilateral cerebral perfusion. D, Bilateral cerebral perfusion with additional left subclavian artery perfusion. E, Common carotid artery perfusion. F, Subclavian artery perfusion. RSc, Right subclavian artery; RCC, right common carotid artery; LCC, left common carotid artery; LSc, left subclavian artery. The Journal of Thoracic and Cardiovascular Surgery 2011 141, 1070-1076DOI: (10.1016/j.jtcvs.2011.01.027) Copyright © 2011 The American Association for Thoracic Surgery Terms and Conditions

Figure 2 Group I: Control experiments showing the arterial filling in the brain and spinal cord. Top figures show perfusion using the E20 vascular marker. Botton figures show perfusion using the gelatin/India ink vascular marker. The Journal of Thoracic and Cardiovascular Surgery 2011 141, 1070-1076DOI: (10.1016/j.jtcvs.2011.01.027) Copyright © 2011 The American Association for Thoracic Surgery Terms and Conditions

Figure 3 Group II: Replication of unilateral ACP. A, Perfusion using the gelatin/India ink marker. B, Perfusion using the saline/India ink marker. The Journal of Thoracic and Cardiovascular Surgery 2011 141, 1070-1076DOI: (10.1016/j.jtcvs.2011.01.027) Copyright © 2011 The American Association for Thoracic Surgery Terms and Conditions

Figure 4 Group III: Replication of bilateral ACP. A, Ventral view of brain and spinal cord showing maximal filling. B, A higher magnification of the lower spinal cord shown in Figure 4, A. The Journal of Thoracic and Cardiovascular Surgery 2011 141, 1070-1076DOI: (10.1016/j.jtcvs.2011.01.027) Copyright © 2011 The American Association for Thoracic Surgery Terms and Conditions

Figure 5 Horizontal section of the thoracic spinal cord stained with methyl green showing filling of the microvasculature in the gray and white matter with colloidal carbon. CC, Central spinal canal; DH, dorsal horn; VH, ventral horn; SpA, branch of the spinal artery on the surface of the cord. The Journal of Thoracic and Cardiovascular Surgery 2011 141, 1070-1076DOI: (10.1016/j.jtcvs.2011.01.027) Copyright © 2011 The American Association for Thoracic Surgery Terms and Conditions

Figure 6 A, Group V: Perfusion of common carotid arteries alone with gelatin/India ink marker. Only proximal 30% of spinal cord arteries are filled. Good cerebral filling. B, Group VI: Perfusion of both subclavian arteries alone with gelatin/India ink marker. Only proximal 40% of spinal cord arteries are filled. Poor cerebral filling. The Journal of Thoracic and Cardiovascular Surgery 2011 141, 1070-1076DOI: (10.1016/j.jtcvs.2011.01.027) Copyright © 2011 The American Association for Thoracic Surgery Terms and Conditions