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用电机械图和胸阻抗图测定了24例甲状腺机能减退病人与86例正常人的心功能,对比结果表明,甲减病人的左心室收缩功能和泵血功能均降低,舒张功能改变不明显。甲减组心功能降低的程度,以PEP/LVET比值的均值来看较显性糖尿病组、冠心病组为重,与陈旧性心肌梗塞相当。甲减病人STI变化特点主要是PEP延长。STI不仅是评价甲减病人心功能降低程度的指标,且可做为治疗中的监测指标。
The electrocardiogram and thoracic impedance map were used to determine the cardiac function in 24 patients with hypothyroidism and 86 normal controls. The results showed that left ventricular systolic function and pump function were decreased and diastolic function was not significantly changed in patients with hypothyroidism. Hypothyroidism decreased the extent of cardiac function, to PEP / LVET ratio of the average point of view more significant diabetes group, coronary heart disease group was as heavy as the old myocardial infarction. STI changes in patients with hypothyroidism is mainly characterized by prolonged PEP. STI is not only an index for evaluating the degree of cardiac function decline in patients with hypothyroidism, but also can be used as a monitoring indicator in the treatment.