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Table 1 Consensus Grading of Image Quality.

From: Towards real-time cardiovascular magnetic resonance-guided transarterial aortic valve implantation: In vitro evaluation and modification of existing devices

 

High-Resolution

T1-Weighted 3D FLASH Imaging

Real-Time

TrueFISP Imaging

1. Edwards SAPIEN™ Prosthesis and RetroFlex Delivery Device

  

   - Visualization of the prosthesis

2

1

   - Visualization of the delivery device

1

1

   - Visualization of the balloon catheter

3

3

   - Monitoring of delivery device movement

NA

1

   - Monitoring of balloon catheter movement and balloon-inflation

NA

3

   - Monitoring of delivery device movement with crimped stent-valve

NA

1

   - Monitoring of valve deployment

NA

1

   - Visualization of deployed prosthesis

2

1

2. Medtronic CoreValve® and Dedicated Delivery Devive

  

   - Visualization of the prosthesis

3

3

   - Visualization of the delivery device

1 (shaft), 3 (distal part)

1 (shaft), 3 (distal part)

   - Monitoring of delivery device movement

NA

1 (shaft), 3 (distal part)

   - Monitoring of delivery device movement with loaded stent-valve

NA

1 (shaft), 3 (distal part)

   - Monitoring of valve deployment

NA

1 (shaft), 3 (distal part)

   - Visualization of deployed prosthesis

3

3

3. Medtronic CoreValve® and Modified, CMR-Compatible Delivery Device

  

   - Visualization of the prosthesis

3

3

   - Visualization of the delivery device

3

3

   - Monitoring of delivery device movement

NA

3

   - Monitoring of delivery device movement with loaded stent-valve

NA

3

   - Monitoring of valve deployment

NA

3

   - Visualization of deployed prosthesis

3

3

  1. NA: not applicable
  2. 1: severe artifacts with poor visualization; 2: minor artifacts allowing fair visualization; 3: excellent visualization with delineation of device details