OBJECTIVE To explore the change of levels of IL-6,IL-8and leptin(LP),and hs-CRP of the senile coronary heart disease patients complicated with pulmonary infections so as to provide evidence for the clinical study.METHODS A total of 109elderly coronary heart disease patients complicated with pulmonary infections(the group A) were continuously enrolled in the study,and 50healthy people(the group B) were randomly selected,then the levels of the IL-6,IL-8,leptin(LP),and hs-CRP of the all the patients were teste...