All patients (n=26)
Male/Female 22/4
Age (Years) 56 ± 18
Height (cm) 165 ± 10
Weight (Kg) 64 ± 10
Hemoglobin (g/dl) 14 ± 2
Underlying diseases, n (%)
Hypertension 9 (35%)
Diabetes melitus 2 (8%)
Preoperative medication, n (%)
α-blockers 3 (12%)
β-blockers 2 (8%)
calcium-channel blockers 7 (27%)
angiotensin II antagonist 4 (15%)
Smoking history, n (%) 4 (15%)
Vasopressor administered, n (%)
Ephedrine 25 (96%)
Total ephedrine dose per patient(mg) 20 ± 10
Phenylephrine 4 (15%)
Total phenylephrine dose per patient(mg) 0.2 ± 0.2
Duration of surgery (min) 179 ± 86
Duration of BCP (min) 221 ± 69
Duration of anesthesia (min) 278  ± 79
Fluid administered (ml) 1307 ± 464
Data are mean ± standard deviation or numbers (%)
Table 1: Demographical and intraoperative variables in patients undergoing
surgery in the beach chair position under general anesthesia.