Impact of Low-fat and Full-fat Milk on Lipids and Cardiac Function in Patients With Coronary Artery Disease

Inclusion Criteria: (1) Patients with CAD Exclusion Criteria: (1) patients \<18 years of age; (2) patients with systemic active infection; (3) patients with severe hepatic and renal dysfunction \[alanine aminotransferase (ALT) \> 135mmol/L, creatinine \> 200umol/L), or chronic lung disease; (4) patients with a life expectancy ≤ 6 months due to bleeding tendency and hematological diseases, malignant tumors, and end-stage diseases; (5) patients with valvular heart disease or left ventricular aneurysm who needed simultaneous surgeries; (6) patients with cerebrovascular disease (cerebral infarction or cerebral hemorrhage within 6 months before enrollment); (7) patients who enrolled in other drug intervention trials; (8) patients who received emergency percutaneous coronary intervention (PCI); and (9) patients who reported intolerance to lactose.