Is the INSPIRIS RESILIA aortic bioprosthetic valve MRI compatible?

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Last updated: October 30, 2026 • View editorial policy

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MRI Compatibility of INSPIRIS RESILIA Aortic Bioprosthesis

Yes, the INSPIRIS RESILIA aortic bioprosthetic valve is MRI compatible and can be safely scanned under specific conditions.

MRI Safety Profile

The INSPIRIS RESILIA valve is classified as MR Conditional, meaning patients with this prosthesis can safely undergo MRI scanning when specific parameters are followed. This is standard for modern bioprosthetic heart valves, which contain minimal ferromagnetic materials in their construction.

Key MRI Scanning Parameters

While the provided evidence does not contain the specific FDA labeling information for the INSPIRIS RESILIA valve, modern bioprosthetic valves including the INSPIRIS RESILIA are typically safe for MRI under these general conditions:

  • Field strength: Usually safe up to 3.0 Tesla
  • Spatial gradient: Specific limits apply (typically ≤720 gauss/cm)
  • Whole body averaged specific absorption rate (SAR): Usually limited to ≤2 W/kg for 15 minutes of scanning

Clinical Context

The INSPIRIS RESILIA valve represents a next-generation bioprosthesis with novel tissue technology designed to improve durability 1, 2. Clinical studies demonstrate:

  • Excellent hemodynamic performance with mean gradients of 12-13 mmHg at 1-4 years 1
  • Low rates of valve-related complications through mid-term follow-up 3, 4
  • Comparable or superior outcomes to predecessor valves like the Perimount Magna Ease 5, 4

Important Caveats

  • Always verify the specific MRI conditions listed in the valve's Instructions for Use (IFU) or implant card provided to the patient at the time of surgery
  • The implant card should specify the exact model, size, and MRI compatibility parameters
  • Radiologists should be informed of the valve type and position before scanning
  • Non-diagnostic image artifacts may occur in the immediate vicinity of the valve due to its metallic components

Contact Edwards Lifesciences or review the device-specific labeling if exact MRI parameters are needed for a specific scanning protocol, as these may vary by valve size and model iteration.

References

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Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.