Assessment of Carotid Artery Stenosis and Lower Limb Peripheral Ischemia Prior to CABG

Exclusion Criteria

• •1. Patients refusing to participate in the study.
• •2. Age 76 years or above
• •3. Morbid obese patients (body mass index more than 35).
• •4. Patients who underwent coronary stenting before.
• •5. Patients who underwent previous cardiac operation before.
• •6. Patients with impaired renal functions (serum creatinine \> 1.5 mg/dl, blood urea \> 100 mg/dl and K+ \> 5 meq/L).
• •7. Patients with preoperative hemoglobin \< 9 gm/dl, white blood cells \> 15,000 cells/mcl,platelets count \< 140,000 per microliter.
• •8. Patients with rhythm defects by electrocardiography (ECG).
• •9. Patients with preoperative O2 saturation \< 90 % by pulse oximetry.