Demographic factor Total (n = 20)
Male sex, n(%) 15 (75)
Age (years) 62.4 ± 43.4
LV function (%) 37.8 ± 26.0
Systolic blood pressure (mm/Hg) 138.3 ± 43.2
Diastolic blood pressure (mm/Hg) 88.1 ± 61.5
Heart rate (bpm) 80 ± 56
NYHA classification, n (%)  
II 5 (25)
III 10 (50)
IV 5 (25)
Operations  
Elective, n (%) 10 (50)
Urgent, n (%) 10 (50)
Cardiac risk factors  
Arterial hypertension, n (%) 20 (100)
Diabetes mellitus, n (%) 8 (40)
Hyperlipoproteinemia, n(%) 14 (70)
Previous cardiovascular diseases,n (%) 20 (100)
History of smoking, n (%)  8 (40)
Obesity, n(%) 10 (50)
Family history, n (%)  9 (45)
Preoperative events  
Myocardial infarction, n (%) 9 (45)
Repeat myocardial infarction, n (%) 2 (10)
Myocardial infarction after PCI x2,n(%) 1 (5)
Cerebrovascular insult, n(%) 2 (10)
Pulmonary oedema, n(%) 1 (5)
Angina pectoris,n (%) 4 (20)
Coronary revascularization, n (%) 1 (5)
Valve replacement, n (%) 1 (5)
Atrial fibrillation, n (%) 1 (5)
Thoracoabdominalis aortic aneurysm, n (%) 4 (20)
End-Stage Renal Disease  
Chronic program of dialysis, n (%) 9 (45)
Duration of dialysis (months) 46 ±31.8
Acute renal insufficiency, n (%) 11 (55)
Table 1: Preoperative Status of Patients with End-Stage Renal Disease. Data are mean ± standard deviation for continuous variables or n (%) for categorical variables. LV: Left Ventricle; NYHA: New York Heart Association: PCI: Percutaneous Coronary Intervention.