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Table 1 Patient characteristics and perioperative data

From: Non-pulsatile blood flow is associated with enhanced cerebrovascular carbon dioxide reactivity and an attenuated relationship between cerebral blood flow and regional brain oxygenation

Gender male/female ratio n (%) 23/8 (74/26)
Age (years) mean ± SD 65 ± 8
Arterial hypertension n (%) 23 (74)
Chronic obstructive lung disease n (%) 4 (12)
Diabetes n (%) 5 (16)
Current smoker n (%) 10 (32)
Left ventricular ejection fraction n (%)
 > 50% 21 (67)
 40–50% 4 (12)
 < 40% 7 (22)
Height (cm) mean ± SD 172 ± 9
Bodyweight (kg) mean ± SD 82 ± 16
Body mass index (kg/m2) mean ± SD 28 ± 5
No antiplatelet therapy n (%) 16 (51)
Single antiplatelet therapy n (%) 11 (35)
Dual antiplatelet therapy n (%) 5 (16)
Surgical procedure n (%)
 CABG only 10 (32)
 CABG with aortic valve replacement/repair 7 (22)
 CABG with mitral valve replacement/repair 7 (22)
 Aortic valve replacement 7 (22)
Vasoactive agents
 Dobutamine n (%) 11 (35)
 Noradrenaline n (%) 31 (100)
 Levosimendan n (%) 5 (16)
Blood and coagulation products
 Packed red blood cells n (%) 13 (41)
 Fibrinogen n (%) 11 (35)
 Tranexamic acid n (%) 31 (100)
 Tranexamic acid (g) mean ± SD 2.5 ± 1.0
 Cardiopulmonary bypass time (min) mean ± SD 148 ± 75
 Aortic cross-clamping time (min) mean ± SD 93 ± 48
 Mild hypothermia n (%) 9 (29)
 Highest serum lactate level (mg/dL) mean ± SD 2.7 ± 2
  1. SD standard deviation, n number of patients, CABG coronary artery bypass graft
  2. Data are either presented as absolute numbers (percentage) or as means ± SD