Cardiovascular and interventional radiology
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Cardiovasc Intervent Radiol · Apr 2016
Percutaneous Retrieval of Permanent Inferior Vena Cava Filters.
To evaluate the feasibility, risks, and techniques of percutaneous removal of permanent TrapEase and Simon Nitinol IVC filters. ⋯ In carefully selected patients, percutaneous removal of permanent IVC filters can be performed safely despite prolonged filter dwell times. Extraction of chronically embedded permanent IVC filters may be facilitated by jugular and femoral approaches, often with laser sheath assistance. Chronic filter thrombosis and caval scarring may increase the risk of retrieval failure.
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Cardiovasc Intervent Radiol · Apr 2016
Radiation Dose Reduction in CT Fluoroscopy-Guided Cervical Transforaminal Epidural Steroid Injection by Modifying Scout and Planning Steps.
In CT fluoroscopy (CTF)-guided cervical transforaminal epidural steroid injection (TFESI), the majority of radiation dose is contributed by the planning CT scan rather than the CTF procedure itself. We replaced the planning helical CT with a spot CTF and accordingly changed the patient posture during scout and planning scans. The aim of this study was to test whether radiation dose reduction would be achieved by this protocol modification while still maintaining technical performance. ⋯ When conducting CTF-guided cervical TFESIs, a significant radiation dose reduction (median 79.7% in DLP) can be achieved by modifying scout and planning steps, without compromising the technical performance.