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Clinical assessment of diagnostic technology

作者:pkupv   发布时间:2012-09-18 09:06:54   浏览次数:639

Clinical assessment of diagnostic technology for pulmonary embolism

(Department of Pulmonary Medicine of Anzhen Hospital, Capital Medical University, Liangying 100029; ICU of Peking University Shenzhen hospital, Luo hua 518036) 

 

Abstract: Pulmonary arteriography is regarded as a gold normal with a 95% of accurate rate to diagnose pulmonary embolism. Magnetic resonance angiography of pulmonary artery is an innovative technology. Computed tomography of pulmonary arteriography, the major diagnostic method, has 96% sensitivity and 92% of specificity when it is used to identify the embolism on segment, lobe and trunk of pulmonary artery. Computed tomography venography has more advantage in valuating the lesion of than traditional venography and ultrasonography. Ventilation-perfusion scintigraphy is helpful for making differentiation diagnosis and assessing prognosis. Ultrasonography does good to screen and sort the risk factors for patients with pulmonary embolism. ECG of those patients with PTE lacks specificity. The level of D-Dimer smaller than 0.5mg/L can rule out acute pulmonary embolism.

Key words: pulmonary embolism     diagnosis

 







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