Objective To investigate the relationship between thyroid hormones and Lp(a) the pituitary-thyroid axis in elder patients with congestive heart failure(CHF). Methods 50 normal controls and 158 elder patients with CHF who had not thyroid gland illness were involved in this study. Levels of FT 3, FT 4, TSH and Lp(a) in serum were measured. Patients were divided into two groups according to the course of chronic heart failure: patients with the course of CHF