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The inferior vena cava clip. The percutaneous approach
M C Bildsoe1, J W Yedlicka, D W Hunter
1Department of Diagnostic Radiology, University of Minnesota Hospital and Clinic, Minneapolis 55455.
Investigative Radiology
|August 1, 1990
Summary
A new percutaneous translumbar technique for inferior vena cava (IVC) clipping was developed. This minimally invasive method shows promise for preventing pulmonary embolism in high-risk patients, avoiding surgical risks.
Area of Science:
- Vascular Surgery
- Interventional Radiology
- Cardiovascular Research
Background:
- Pulmonary embolism (PE) poses a significant risk to high-risk patients.
- Current preventative measures include surgical inferior vena cava (IVC) clipping or caval filters.
- These methods carry inherent surgical and intravascular foreign body risks.
Purpose of the Study:
- To develop and evaluate a novel percutaneous translumbar technique for IVC clipping.
- To assess the feasibility and safety of this minimally invasive approach.
- To determine if the technique maintains caval patency and reduces risks compared to existing methods.
Main Methods:
- A percutaneous translumbar approach was utilized for caval clip insertion under fluoroscopic guidance.
- The technique was tested in a canine model.
- Follow-up included angiography and caval pressure measurements to assess patency.
Main Results:
- Percutaneous translumbar caval clip placement was successfully performed in nine dogs without complications.
- Caval patency was demonstrated in three of four dogs followed for 5 to 19 weeks.
- Angiography and pressure measurements confirmed the maintenance of blood flow.
Conclusions:
- The percutaneous translumbar caval clipping technique is a feasible and potentially safer alternative to surgical IVC clipping.
- This method may minimize risks associated with PE prevention in high-risk individuals.
- Further research is warranted to translate this technique to human clinical application.