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Experiences of using the Philips CardioMD Camera University Hospital Birmingham Foundation NHS Trust

Experiences of using the Philips CardioMD Camera University Hospital Birmingham Foundation NHS Trust. Why choose a dedicated Cardiac camera?. Three cameras were routinely used before the CardioMD was installed: Dual Head (ADAC Vertex) used for MPI

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Experiences of using the Philips CardioMD Camera University Hospital Birmingham Foundation NHS Trust

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  1. Experiences of using the Philips CardioMD Camera University Hospital Birmingham Foundation NHS Trust

  2. Why choose a dedicated Cardiac camera? • Three cameras were routinely used before the CardioMD was installed: Dual Head (ADAC Vertex) used for MPI Single Head Large FOV (Toshiba) Single Head Small FOV (Siemens) • Plan was to replace the small FOV camera with a dedicated Cardiac Camera because: • MPI requests were growing • A dedicated cardiac camera has a smaller footprint than a modern SPECT-CT system • Money was available from the PCT for a dedicated Cardiac Camera (£190k)!

  3. Why Choose the CardioMD? • Three dedicated Cardiac cameras were considered: • Philips CardioMD (AC available) • Siemens C-cam (AC available in future) • Pulse IS2 (AC available in future) • Specifications similar between systems. • The Philips CardioMD was chosen primarily due to the availability of AC. The department had performed AC on MPI scans since 1996. • The CardioMD was also the cheapest!

  4. Changes to Service in Department • Change in workflow for each camera • Dual Head (ADAC Vertex) • Free for work other than MPI • Single Head Large FOV (Toshiba) • Used for studies performed on the old small FOV camera replaced with CardioMD • CardioMD (Philips) • Used for MPI and MUGA studies • The CardioMD has doubled the MPI scanning capacity and a full 5 day service can now be provided. (~550  ~1100patients/Yr)

  5. Setting up a Study • Easy and quick to set-up an acquisition on the system. • However, since the introduction of the DICOM work list, there have been a few problems. • Repetition of patient files. • Handling of attenuation correction data

  6. Positioning the Patient • Patients have difficulty both in getting on and off the bed. • Staff complain about bed not moving up or down. • Positioning has to be precise as the bed translates by a small amount. • Easy to set-up once patient is in position • However, range limits on very small or very large patients.

  7. Image Reconstruction/Processing • Fast reconstruction/ processing software. • Motion correction software is quick and effective. • Software could be more intuitive. Some technologists report that they have to read manual/protocol on some occasions!

  8. Routine QC (57Co Daily Flood)

  9. Routine QC (99mTc Intrinsic Flood) • 30M counts acquired using ~30MBq 99mTc (~15min/head) • Integral uniformity results calculated and plotted

  10. Weekly Intrinsic Uniformity Results

  11. Routine QC (COR) • Easy to set-up. • X range values considered to be satisfactory. • Y range values considered to be good.

  12. Summary • Pros • Camera easy to use and reliable (since installation of UPS) • System is relatively easy to maintain (e.g. PM tube retune) • Quick and easy to use acquisition and reconstruction software • Good motion correction software • Cons • Most significant problem with the system is regarding ergonomics of the bed. • Several problems with acquiring data following introduction of the DICOM work list. • Set-up would be easier if an ‘OK’ button was present on the handset. • Manual collimator exchange can be awkward

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