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1.0T Intera MobiFlex - Wilhelmina Hospital, Assen

ExamCard
Krikke, Allard Assen, Wilhelmina Hospital Assen Netherlands
Nijenhuis, Marco Philips Healthcare Philips Global
Alberts, Eveline Philips Healthcare Philips Global

Intera 1.0T MobiFlex - Wilhelmina Hospital, Assen

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ExamCard description

This ExamCard outlines a CE-MRA protocol for the assessment of the peripheral vasculature at a 1.0T cylindrical system. The lower legs are visualized with the SENSE Body coil.

 

True resolution:
- Lower leg station 1.08 x 1.08 x 0.6 (oc)
- Upper leg station 1.58 x 1.65 x 1.8 (oc)
- Abdomen station 1.68 x 1.76 x 1.8 (oc)

 

 

 

MobiFlex+SBC
Scan 1Ref Syn_Body
Scan 2Survey
Scan 3Lower_Leg
Scan 4Upper_Leg
Scan 5Pelvis
Scan 6BolusTrak
Scan 7Pelvis
Scan 8Upper_Leg
Scan 9Lower_Leg

Features used in this ExamCard

Geolinks are applied between the different stations to group the three stations. This grouping is recognized by the VolumeView package, allowing a single-button MIP postprocessing for all stations.

 

ScanAlign is applied for planning all stations as one volume and it is used to ensure a certain overlap between the stations.

 

Manual or automatic table movement. Automatic table movement can be chosen for an easy workflow of MobiFlex.

 

SENSE with a SENSE Body coil for further optimization of the acquisition resolution of the lower legs.

Patient preparation

  • Position the MobiTrak Leg support on the table.
  • Combine the MobiTrak Leg Support with the SENSE Body coil as shown on the photo below.
  • Note that the upper elements have to be shifted with respect to the lower elements.
  • Position the knee cushion a little above the back of the knees. 
  • Immobilize ankles and knees with straps.

 

Breath-hold instructions:

  • Pay special attention to the breath-hold procedure at the pelvis level. We recommend to practice the breath-hold procedure before starting the examination.
  • Give the patient a short command "Breathe in". The patient will breathe in very fast and then hold breath.
  • If the patient is not able to hold breath, we instruct the patient to breathe superficially.

 

Injection protocol

1.2 ml/s 20 ml Gado 0.5 M

0.6 ml/s 20 ml Gado 0.5 M

0.6 ml/s 20 ml NaCl

Workflow

  • Start the ExamCard. Ref Syn_Body and the Survey will start automatically.
  • Fuse the orthogonal MIP's with MobiView and save the images to database.
  • Load the saved MobiView images in the planning environment.
  • Plan the MobiFlex and the BolusTrak sequences on the fused images.
  • The BolusTrak sequence has to be planned at the same level as the pelvis station.


  • Start the MobiFlex group (Allow automatic table movement).
  • After the mask acquisition of the lower and upper legs, a breath hold is required at the pelvis level.
  • Prepare the contrast injection (see above injection protocol).
  • The ExamCard will pop up a manual start at the level of the BolusTrak.
  • Open the Autoview window, start the BolusTrak sequence together with the contrast injector.
  • When the contrast shows up in the abdominal aorta (see image below), you have to Immediately proceed and give the "Breathe in" command.
  • The ExamCard will continue automatically.

 

 When the contrast appears in the abdominal aorta, proceed and give the
When the contrast appears in the abdominal aorta, proceed and give the "Breathe in" command.


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May 5, 2006

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ExamCard
Intera 1.0T
Release 11
Power / Pulsar
Peripheral MRA, Vascular
 

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