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Suprarenal inferior vena cava filter implantation
G Carrafiello1, M Mangini, F Fontana
1Dipartimento di Radiologia, Università dell'Insubria, Ospedale di Circolo e Fondazione Macchi, Viale Borri 57, 21100, Varese, Italy. gcarraf@tin.it
La Radiologia Medica
|June 30, 2012
Summary
Temporary suprarenal inferior vena cava (IVC) filters are feasible and safe for patients with renal cell carcinoma (RCC) and renal vein thrombosis (RVT). This procedure effectively prevents immediate and perioperative pulmonary embolism (PE).
Area of Science:
- Vascular Surgery
- Interventional Radiology
- Oncology
Background:
- Renal cell carcinoma (RCC) with renal vein thrombosis (RVT) poses a risk of pulmonary embolism (PE) during surgical intervention.
- Inferior vena cava (IVC) filters are used to prevent PE, but suprarenal placement in this context requires evaluation.
Purpose of the Study:
- To assess the feasibility, safety, and efficacy of suprarenal retrievable IVC filter implantation in patients with RCC and RVT undergoing surgery.
- To evaluate the prevention of perioperative pulmonary embolism (PE) in this high-risk patient cohort.
Main Methods:
- A prospective study involving 13 patients with RCC and RVT (with or without IVC extension) between March 2005 and May 2010.
- Suprarenal IVC filter implantation followed by surgical resection of RCC. Oto classification used for IVC involvement. Pre- and post-procedure cavography and CTA performed.
- Filters were retrieved 30-60 days post-surgery after a follow-up CTA scan.
Main Results:
- 100% procedural feasibility with correct suprarenal filter deployment in all patients.
- No peri- or post-procedural complications were observed.
- No clinical evidence of pulmonary embolism (PE) within 30 days post-procedure.
Conclusions:
- Temporary suprarenal IVC filter implantation is a feasible and safe adjunct procedure for patients with RCC and RVT.
- This intervention effectively prevents immediate and perioperative pulmonary embolism (PE).
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