These change could be related to senility and may deteriorate the disturbance of humoral immunity and promote the formation of atherosclerosis,at last related to the pathogenesis of CHD.

• 结论 免疫衰老及其它因素所致的免疫活性细胞功能和数量的变化可能与CHD的发病机制及病变的严重程度有关。