Journal of endovascular therapy : an official journal of the International Society of Endovascular Specialists · 2008
Thrombus embolization into IVC filters during catheter-directed thrombolysis for proximal deep venous thrombosis.
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Kölbel Tilo, Alhadad Alaa, Acosta Stefan, Lindh Mats, Ivancev Krasnodar, Gottsäter Anders
Аннотация
PURPOSE: To assess the frequency of embolization into retrievable inferior vena cava (IVC) filters during catheter-directed thrombolysis (CDT) and stent placement for acute iliocaval deep venous thrombosis (DVT).
METHODS: Serial phlebograms from 40 patients (28 women; median age 32 years) consecutively treated with CDT for DVT during a 12-year period were retrospectively evaluated for visible emboli in the IVC filter. Clinical and procedural data extracted from a prospectively maintained database were evaluated to identify predictors for embolization into the filter.
RESULTS: Visible emboli were found in 18 (45%) patients. Visible embolization to the IVC filter was less frequent in patients with a hypercoagulable disorder (n = 29, 31%) than in patients without a hypercoagulable disorder (n = 11, 69%; OR 0.1, 95% CI 0.02 to 0.56, p = 0.006). No patient developed clinical symptomatic pulmonary embolism or a complication related to the placement or retrieval of the IVC filter.
CONCLUSION: Thrombus embolization during CDT is a common phenomenon in patients with proximal DVT. Placement of a retrievable IVC filter during thrombolytic therapy can prevent silent and symptomatic pulmonary embolism.
METHODS: Serial phlebograms from 40 patients (28 women; median age 32 years) consecutively treated with CDT for DVT during a 12-year period were retrospectively evaluated for visible emboli in the IVC filter. Clinical and procedural data extracted from a prospectively maintained database were evaluated to identify predictors for embolization into the filter.
RESULTS: Visible emboli were found in 18 (45%) patients. Visible embolization to the IVC filter was less frequent in patients with a hypercoagulable disorder (n = 29, 31%) than in patients without a hypercoagulable disorder (n = 11, 69%; OR 0.1, 95% CI 0.02 to 0.56, p = 0.006). No patient developed clinical symptomatic pulmonary embolism or a complication related to the placement or retrieval of the IVC filter.
CONCLUSION: Thrombus embolization during CDT is a common phenomenon in patients with proximal DVT. Placement of a retrievable IVC filter during thrombolytic therapy can prevent silent and symptomatic pulmonary embolism.