Evaluation of Intervention on Impaired Glucose Tolerance(IGT) in Patients With Coronary Heart Disease.

Evaluation of Lifestyle and Therapeutic Intervention on Impaired Glucose Tolerance(IGT) in Patients With Coronary Heart Disease.

The purpose of this study is to determine whether therapeutic intervention on impaired glucose tolerance in patients with coronary heart disease can decrease the incidence of new onset DM.

Inclusion Criteria:

• Patients with coronary heart disease
• Impaired Glucose Tolerance

Exclusion Criteria:

• Age < 40yr or > 75yr
• Diabetes Mellitus
• Scr > 2.0 mg/dL（176 μmol/L）
• ALT or AST > 2.5 ULN
• Hb < 90g/L
• Heart Failure
• Infection
• Undergo other interventional clinical trial