Vena cava interruption using the Greenfield filter has proved to be a safe and effective method. In a series of 156 patients receiving the filter, published by Greenfield, the patency rate was 98%, and there was no mortality secondary to the filter placement. The incidence of recurrent pulmonary embolism resulting from the proximal propagation of a thrombus has been reported to be 5%. The present work reports on a case of recurrent pulmonary embolism resulting from the proximal propagation of a thrombus originating in a Greenfield filter.
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