Objective To investigate the change and the significance of tumor necrosis factor(TNF) and calcitonin gene related peptide(CGRP) in elderly patients with congestive heart failure(CHF).

• 目的探讨老年不同心功能患者肿瘤坏死因子(TNF)和降钙素基因相关肽(CGRP)的变化及意义。