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深部静脉血栓形成(DVT)患者是并发肺栓塞的高发人群,但文献报告只有极少数合并有临床症状的肺栓塞.有关门诊病人 DVT 合并无症状肺栓塞的发病率一直不明。另外,肝素对 DVT 患者肺栓塞的防治作用如何,尚未正式研究。作者采用灵敏、无创伤的同位素肺血流灌注及通气扫描的方法,检测已证实有 DVT 的无症状肺栓塞的发病率,并评估静注肝素和口服抗凝剂治疗1周的效果.灌注及通气肺扫描分别采用~(99cm)Tc 及~(81cm)Kr 来进行,灌注扫描结果通过γ-照象机拍摄的6张不同体
Deep venous thrombosis (DVT) is a high incidence of concurrent pulmonary embolism, but there are only a few reported pulmonary embolisms with clinical symptoms in the literature. The incidence of asymptomatic pulmonary embolism associated with DVT in outpatients has remained unclear. In addition, heparin on DVT prevention and treatment of pulmonary embolism how, yet an official study. The authors tested the incidence of asymptomatic pulmonary embolism with confirmed DVT using a sensitive, noninvasive isotope pulmonary perfusion and ventilation scan and evaluated the effect of intravenous heparin and oral anticoagulation for 1 week. Ventilatory lung scans were performed using ~ (99cm) Tc and ~ (81cm) Kr, respectively, and the perfusion scan was performed on 6 different subjects