The treatment of recurrent pulmonary embolism: experience with the Kimray Greenfield vena cava filter.

ABSTRACT

Clinical experience with the Kimray Greenfield vena cava filter in 24 patients, most of whom suffered recurrent pulmonary embolism despite heparin treatment, is presented. The advantages of this filter over previous trans-venous filters is discussed. Initial results show the filter to be both safe and effective.