Methods Serum TH (T 3, T 4, FT 3, FT 4, rT 3) and thyroid stimulating hormone (TSH) were determined by using radioimmunoassay pre , peri and post operativly in 30 patients undergoing open heart surgery under cardiopulmonary bypass.

• 方法 用放射免疫法测定 3 0例体外循环心脏手术患者术前、术中、术后血浆甲状腺激素和促甲状腺激素的浓度。