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Pulmonary embolism is a sudden blockage in a lung artery. Blockage usually is caused by a blood clot that travels to the lung from a vein in the leg. Because pulmonary embolism almost always occurs in conjunction with deep vein thrombosis, most doctors refer to the two conditions together as venous thromboembolism. Pulmonary embolism can be life-threatening, but prompt treatment can greatly reduce the risk of death. Analysis in Brazil on Pulmonary embolism got the result as a total of 109 deaths due to trauma were detected in this period with pulmonary embolism occurring in 3 (2.75%) patients.
There was no difference in the overall survival at 30 days and follow-up between PE and RPE patients. The presence of provoked or unprovoked venous thromboembolic disease in these patients did not affect survival. The main causes of death were PE in the confirmed PE group (60%), and neoplasm (42%) and sepsis (37%) in the RPE group. Survival at 90 days was 63% for PE (95% CI 58–67%) and 67% for RPE patients (95% CT 64–69%). At follow-up, there was no difference in diagnosis of new cancer between PE and RPE patients (2% vs 2%, p = 0.82), even when taking into account the unprovoked group.