The group of observation wastreated with thyroid hormone(20mg/dail) additionally, the duration of treatment was two weeks.

• 结果：老年慢性充血性心力衰竭病人甲状腺素T_3水平明显低于正常健康对照组，低T_3综合征的老年CHF患者心衰程度重。 经甲状腺激素治疗2周后，甲状腺激素治疗组及对照组的三碘甲。