Preoperative characteristics in patients who underwent isolated OPCAB
using single or bilateral internal mammary arteries. Results displayed
for the non-matched and matched populations. BIMA: Bilateral Internal
Mammary Artery; BMI: Body Mass Index; CCS: Angina Canadian
Cardiovascular Society Angina score; COPD: Chronic Obstructive Pulmonary
Disease; CVA: Cerebral vascular accident; DVT: Deep Venous Thrombosis;
IHD: Ischemic Heart Disease; MI: Myocardial Infarct; NYHA: New York
Heart Association Dyspnea Score; PCI: Percutaneous Coronary
Intervention; PVD: Peripheral Vascular Disease; SIMA: Single Internal
Mammary Artery; TIA: Transient Ischemic Attack
Table 2. Extent of coronary disease and timing of surgery