Methods The obs ervation group (?n?=60) were classified by heart NYHA failure class criteria,FT 3,FT 4 and TSH were measured by radioimmunoassay. The thirty healthy subjects served as control group.

• 方法 观察组 ( 6 0例 )按NYNA心功能分级标准分类心力衰竭等级 ,用放射免疫法测定血清游离三碘甲状腺原氨酸 (FT3)、游离甲状腺素 (FT4 )、促甲状腺素 (TSH)各参数水平 ,并与对照组 ( 30例 )比较。