Table 1.

Patient Characteristics

Parameter	Value
Demographics
Mean (SD) age, y	63.3 (14.9)
Men, n (%)	4 (80)
Previous aortic surgery, n (%)	2 (40)
Risk factors
Cerebrovascular family history, n (%)	0
Previous neurologic dysfunction, n (%)	0
Hypertension, n (%)	5 (100)
Peripheral vascular disease, n (%)	0
Chronic heart disease, n (%)	0
Atrial fibrillation, n (%)	0
Hypercholesterolemia, n (%)	0
Smoking, n (%)	2 (40)
Diabetes, n (%)	2 (40)
COPD, n (%)	0
Degenerative arotic pathology, n (%)	1 (20)
Connective tissue disease, n (%)	0
Atherosclerosis, n (%)	0
Surgical characteristics
Urgent, n (%)	4 (80)
Acute dissection, n (%)	4 (80)
Peroperative neurolgical symptoms, n (%)	2 (40)
Mean (SD) cardiopulmonary bypass time, min	68.8 (70.9)
Mean (SD) crossclamp time, min	146.8 (91.2)
Mean (SD) deep hypothermic arrest, min	22.2 (21.7)
Mean (SD) brain perfusion, min	19.4 (19.0)
CSF drainage postoperatively, n (%)	0

COPD indicates chronic obstructive pulmonary disease; CSF, cerebrospinal fluid.