Can an adult patient with a retrievable Optease (Cordis) inferior vena cava filter safely undergo MRI at 1.5 Tesla or 3 Tesla, and what precautions are required?

Optease IVC Filter MRI Compatibility

Direct Answer

The provided evidence does not contain specific MRI safety data for the Optease (Cordis) retrievable IVC filter at 1.5T or 3T field strengths. You must consult the manufacturer's Instructions for Use (IFU) or FDA labeling for definitive MRI compatibility information before proceeding with any MRI examination in patients with this device.

Critical Safety Considerations

Why This Information is Essential

• Device-specific MRI testing is required - Each IVC filter model undergoes unique testing for magnetic field interactions, heating, and artifact generation that cannot be extrapolated from other filter designs 1

• The Optease filter has extensive metallic contact with the IVC wall through its side struts, which becomes more pronounced over time due to neointimal hyperplasia and incorporation 2, 3

What You Must Do Before MRI

Immediately obtain the manufacturer's MRI safety labeling by:

• Contacting Cordis Corporation directly for current MRI compatibility specifications
• Reviewing the device's Instructions for Use documentation
• Checking the FDA device database for MRI labeling
• Consulting with the implanting physician for device documentation

Clinical Context About the Optease Filter

Device Characteristics Relevant to MRI Safety

• The Optease filter was designed as a retrievable device with recommended retrieval within 23 days, though extended retrievals up to 122 days have been reported 4, 5

• Significant tissue incorporation occurs rapidly - strut protrusion through the IVC wall prevents safe removal after 30 days in animal studies, with extensive scarring and neointimal hyperplasia 2

• After 14 days of implantation, successful removal rates decline substantially, with mean retrieval failures occurring at 54 days for extended indwelling times 5

Common Pitfall to Avoid

Never assume MRI compatibility based on:

• The filter being "retrievable" rather than permanent
• MRI safety of other IVC filter models
• The absence of immediate contraindications in radiology information systems
• Time since implantation

Each filter model requires specific manufacturer documentation for MRI safety parameters, including maximum field strength, specific absorption rate (SAR) limits, and gradient specifications.

Immediate Action Algorithm

1. Halt MRI scheduling until manufacturer documentation is obtained
2. Contact Cordis Corporation for current Optease MRI safety specifications
3. Review patient's implantation records for exact device model and specifications
4. If MRI is urgent, consider alternative imaging (CT venography is well-established for IVC filter assessment) 6
5. Document all safety verification in the medical record before proceeding