The Change Of Thyroid Hormone During And After Cardiopulmonary Bypass In Different Heart Operation

The heart is the restricted zone in surgical once, Until 1953 combine the extrinsic pump with oxygen device, John Gibbon had succeeded to cure the patient with ASD under cardiopulmonary bypass(CPB) .Then start the cardiac surgery era. To today, the achievement ratio of the operation treat to angiocardiopathy is fairly high, which is correlate to the technique and level of CPB. But the CPB is not perfect, cold cadioplegic heart surgery during and after CPB , blood passes by not pulsatile fluid, depress and return temperature , the oxygen outside etc, cause the euthyroid sick syndrome ( ESS).The thyroid hormone has very important influence to the heart function, some experiment groups add T3 to patients with the heart operation displays a good protection function, to develop a new domain treat the refractory heart failure after CPB for the clinic. Warm beating open heart surgery is a new method, which is better than old heart surgery in clinic. But about to the influence degree, whether warm beating and cold cardioplegic open heart surgery is defferent or not, we have not definite evidence.Objective: To investigate the change of thyroid hormone during and after cardiopulmonary bypass in different heart operation, compare the occurrence of...