Effects of pH Management During Selective Antegrade Cerebral Perfusion on Cerebral Microcirculation and Metabolism: Alpha-Stat Versus pH-Stat Sebastian Dahlbacka, MD, Hanna Alaoja, MS, Jussi Mäkelä, MS, Eija Niemelä, MS, Päivi Laurila, MD, PhD, Kai Kiviluoma, MD, PhD, Anna Honkanen, MS, Pasi Ohtonen, MS, Vesa Anttila, MD, PhD, Tatu Juvonen, MD, PhD The Annals of Thoracic Surgery Volume 84, Issue 3, Pages 847-855 (September 2007) DOI: 10.1016/j.athoracsur.2007.03.065 Copyright © 2007 The Society of Thoracic Surgeons Terms and Conditions
Fig 1 Brain arterial diameters (left), adherent leukocytes (center), and tissue oxygenation (right) in pigs undergoing selective cerebral perfusion (SCP) and being monitored using either α-stat (solid squares; n = 10) or pH-stat (open circles; n = 10) strategy. (m = minutes; NADH = reduced nicotinamide adenine dinucleotide.) The Annals of Thoracic Surgery 2007 84, 847-855DOI: (10.1016/j.athoracsur.2007.03.065) Copyright © 2007 The Society of Thoracic Surgeons Terms and Conditions
Fig 2 Key brain microdialysis findings for brain lactate concentration (left), brain lactate to pyruvate ratio (center), and brain glycerol concentration (right) in pigs undergoing selective cerebral perfusion (SCP) and being monitored with either α-stat (solid squares; n = 12) or pH-stat (open circles; n = 12) strategy. (postop = postoperative.) The Annals of Thoracic Surgery 2007 84, 847-855DOI: (10.1016/j.athoracsur.2007.03.065) Copyright © 2007 The Society of Thoracic Surgeons Terms and Conditions