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A total of 66 vena cava filters was implanted to prevent pulmonary emboli: 33 Mobin-Uddin umbrellas and 33 Kim-Ray-Greenfield devices. Radiologic examinations were available in 59 patients, 37 having one or more follow-up studies. Most of the Mobin-Uddin umbrellas became thrombosed. Although most Kim-Ray-Greenfield devices remained patent, some migrated, and several penetrated the cava wall; this latter finding can be diagnosed on plain films. Neither of these devices is fully safe nor effective in preventing pulmonary emboli; further improvements are needed.
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M. B. Streiff Vena caval filters: a comprehensive review Blood, June 15, 2000; 95(12): 3669 - 3677. [Abstract] [Full Text] [PDF] |
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