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[Long-term results after caval filter implantation]
J Schweizer1, H J Florek, R Kaulen
12. Medizinische Klinik des Städtischen Klinikums Dresden-Friedrichstadt, Dresden.
VASA. Zeitschrift Fur Gefasskrankheiten
|January 1, 1996
Summary
Filter implantation for embolism prevention shows positive long-term results. Post-operative care with anticoagulants and compression maintains vein patency, reducing embolism risk.
Area of Science:
- Vascular surgery
- Interventional radiology
- Medical device technology
Background:
- Inferior vena cava (IVC) filters are used to prevent pulmonary embolism.
- Long-term outcomes and optimal management of IVC filter patients require further clarification.
Purpose of the Study:
- To evaluate the long-term results of IVC filter implantation.
- To determine the best post-operative management strategies for patients with IVC filters.
Main Methods:
- Prospective observation of 92 patients with implanted IVC filters for up to 6 years.
- Follow-up included clinical assessment, radiography, CT venography, and duplex sonography of the vena cava and lower extremities.
Main Results:
- Two early Günther filter dislocations occurred within 3 months.
- 85% of patients on anticoagulants and compression had patent pelvic veins, despite initial thrombi.
- The IVC remained patent in the filter area in 72 cases.
Conclusions:
- IVC filter implantation can achieve positive long-term outcomes.
- Post-operative anticoagulation and compression therapy are effective in maintaining venous patency and preventing embolism.
- Careful patient selection and management are crucial for successful IVC filter use.