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Conversion to Achieva brings premium performance for lower cost

Best Practice
Hardin, Nicole, MS, RT (R) (M) (CIIP) Omaha Children's Hospital and Medical Center • USA
Fletcher, Scott, M.D. Omaha Children's Hospital and Medical Center • USA
Wendel, John, M.D. Omaha Children's Hospital and Medical Center • USA

Omaha Children’s Hospital and Medical Center (Omaha, Nebraska, USA) is scanning about 300 patients a month on its Achieva 1.5T A-series, obtained by a smooth conversion from its Intera 1.5T. As a regional cardiac referral center, patients are scanned mainly for pre-and post-congenital heart disease, cardiomyopathy and vascular anomalies.


 Nicole Hardin, MS, RT<br>
Radiology Manager. Scott Fletcher, MD<br>
Professor of Pediatric Cardiology,
Director of Cardiac MRI,
Children’s Hospital Omaha, Joint
Division of Pediatric Cardiology,
Creighton University/University
of Nebraska Medical Center. John Wendel, MD<br>
Clinical Service Chief, Radiology.
Nicole Hardin, MS, RT
Radiology Manager.
Scott Fletcher, MD
Professor of Pediatric Cardiology, Director of Cardiac MRI, Children’s Hospital Omaha, Joint Division of Pediatric Cardiology, Creighton University/University of Nebraska Medical Center.
John Wendel, MD
Clinical Service Chief, Radiology.


 

Nicole Hardin, MS, RT, (R)(M)(CIIP), says, “We decided to convert our Intera 1.5T system because we felt that between the resulting Achieva 1.5T and our Achieva 3.0T we would have a good platform to serve the clinical specialists.

Magnet stays, everything else is new

The conversion leaves the magnet in place, but nothing else. “With almost no construction necessary, a great deal of cost and scanning time was saved,” says Hardin. “The hospital saved 3 to 5 weeks by doing the conversion instead of removing and replacing the magnet. It went really well. From the start of the process to the end, we had great communication from the engineers and the project manager on the Philips side. I’d definitely do it again. It’s a very good economic value – it cost much less than tearing down a wall and moving an old magnet out – and we got all the scanning technology we were looking for.”
 Omaha Children’s Hospital and Medical Center
Omaha Children’s Hospital and Medical Center

Cardiac scans benefit from conversion, new coil

“We do 5-6 cardiac scans a week, all pediatric congenital heart disease,” says cardiologist Scott Fletcher, MD. “Cardiac scans benefit greatly from the conversion; the new Achieva 1.5T system is very well suited for use in pediatric cardiac patients. Spatial resolution has increased because we’re able to use consistent voxel sizes independent of FOV and slice thickness. Also, the 32-channel SENSE Cardiac coil is excellent for our pediatric scans. We use a pediatric cardiac coil for kids less than 4 kilos and the 32-channel coil for everyone else. The ability to use more coil elements has really improved our image quality.”

Lisa Harvey, RT, says, “The Intera system used a 5-channel cardiac coil. By using the 32-channel coil, we are able to improve resolution and SNR, and get more coverage. I’d say that using the 32-channel coil for our cardiac cases has dramatically improved the resolution.”

“We really appreciate the shorter bore on Achieva 1.5T A-series for children over some longer bore magnets. It’s less confining and has less of a tunnel feel. We also have a video system that both children and adults use for movies and music,” Harvey adds.

The Hospital uses the Extended MR Workspace (EWS) with Cardiac Explorer for fast, easy cardiac image analysis. “We use it for every cardiac scan,” says Dr. Fletcher. “I appreciate the bigger screen, and our reconstructive work goes very quickly.”

“When it comes to congenital cardiac disease, I believe there’s no one better than us in our region,” Dr. Fletcher says. “Likewise, we think Philips has some top of the line equipment, and that further enhances our capabilities.”

Faster, more efficient scans

“The conversion has the potential to improve throughput,” says radiologist John Wendel, MD. “We can identify lesions more quickly because of improved signal and resolution. And new technology like MobiView, has made our reading much more efficient on our complete spines. We don’t have to look at three different scans to review the sagittals; we can look at just one combined series and it gives us all the information.”

“We also love the 32-channel coil, partly because we don’t have to move our patients,” adds Hardin.”Especially when we’re doing spine work that’s a big advantage.

“We’re a very pleased Philips customer,” says Dr. Wendel, “And we plan to continue with Philips in the future.”

Clinical Cases

CASE 1

15-year-old male with left ventricular non compaction

 

Compared to our previous Intera 1.5T, use of SENSE and CLEAR now provides much cleaner images. Also shorter breath holds were possible. MR also allowed evaluation of the motion of the ventricle on short axis view.

CASE 2

20-year-old female with ependymoma

 

Images after conversion demonstrate improved spatial resolution. SENSE Head coil used. Scan times T1 scans about 3 minutes, T2 scans about 2.5 minutes, Surg Plan about 6 minutes.

CASE 3

Follow-up Ewing sarcoma

 

6-year-old female with Ewing Sarcoma of the spine. Images show a mass in the spine along with radiation changes. With Achieva 1.5T increased resolution is seen, and MobiView is used allowing the physician to see entire spine at once. The SENSE Spine 15 coil was used on Achieva, while before on Intera the 5-channel SENSE Spine coil was used.


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Best Practice
Achieva 1.5T, Intera 1.5T
Conversion to Achieva, SENSE Head coil, SENSE Spine coil
 

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