In a study conducted in the literature, hemoglobin, serum creatinine, LDL (Low-density lipoprotein) cholesterol, HDL (High-density lipoprotein) cholesterol, triglycerides, ALT, AST, high-sensitive cardiac troponin I, and C-reactive protein (CRP) results of 59 patients with heart failure and 108 patients with chronic ischemic heart disease were evaluated. The gene discussed is CRP; the disease is heart failure.