RESUMEN
Objective To study the trend and changes regarding risk factors of pulmonary embolism among inpatients in the last 10 years from the First Clinical Hospital of Jilin University.Methods 303 cases of pulmonary embolism inpatients in our hospital from 2001-2010 were included and analyzed on related incidence,mortality and risk factors.Results Data showed that:(1)the incidence of pulmonary embolism increased from 0.09‰ to 1.12‰ while the mortality dropped from 73.3％ to 12.0％ ;(2)major risk factors would include thrombosis of deep veins,surgical operations,heart diseases,varicosity or phlebitis of lower extremities,trauma and fracture etc.,according to the order of incidence rates.Surgical operations had become the second major risk factor in the last 10 years.Conclusion The incidence of pulmonary embolism in our hospital showed a gradual drop while the mortality had a remarkable drop.Surgical operations had become one of the major risk factors of pulmonary embolism.