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老张今年68岁,曾有过冠心病、心绞痛的病史,日前因突发心肌梗死被送到某大医院急救,医生们准备为他施行心脏搭桥手术。但是当手术中准备截取他的双下肢表浅静脉血管用于搭桥时,却发现他的双下肢静脉没有一段是完好的。原来老张有定期预防性输液的习惯,因而损伤了这些血管。但定
68-year-old Zhang, who had had a history of coronary heart disease and angina pectoris, was recently sent to a large hospital due to sudden myocardial infarction. The doctors are ready to perform heart bypass surgery for him. However, when the surgery was about to intercept his superficial vein of both lower extremities for bypass, he found that none of his lower extremity veins were intact. Zhang had regular regular prophylactic infusion of habit, thus damaging these blood vessels. But set