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[Computer program for contrast medium administration in computerized tomography diagnosis]

T Bareiter1, M Oldendorf, E Zeitler

  • 1Radiologisches Zentrum, Klinikum Nord, Nürnberg.

Aktuelle Radiologie
|July 1, 1994
PubMed
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The XD 5500 contrast medium injector system enhances CT imaging with Somatom Plus, offering standardized, reproducible contrast enhancement for optimized diagnosis. Safety features are robust, with rare perivascular injection events causing no lasting harm.

Area of Science:

  • Radiology
  • Medical Imaging Technology

Background:

  • Contrast medium administration is crucial for diagnostic accuracy in CT scans.
  • Standardization and reproducibility of contrast delivery are key challenges in medical imaging.

Purpose of the Study:

  • To evaluate the XD 5500 contrast medium injector system as a supplement to the Somatom Plus CT scanner.
  • To assess the impact of the XD 5500 on diagnostic optimization and image quality.

Main Methods:

  • Utilized the XD 5500 injector system with specially developed programs for specific organ regions and differential diagnoses.
  • Monitored contrast enhancement in the aorta, aiming for density values over 60 Hounsfield units (HU).
  • Assessed operational simplicity and safety features, including particle filters and air bubble detectors.

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Main Results:

  • Achieved constant and homogenous contrast enhancement, with aortic density values consistently exceeding 60 HU and often surpassing 100 HU.
  • Demonstrated standardized and reproducible contrast administration.
  • Confirmed effective operation from outside the examination room and validated safety features.

Conclusions:

  • The XD 5500 system is an effective supplement to the Somatom Plus, optimizing diagnostic capabilities through standardized contrast delivery.
  • The system ensures high-quality, reproducible contrast enhancement and incorporates reliable safety mechanisms.
  • A rare disadvantage of perivascular injection occurred in 3 out of 5600 cases without lasting patient harm.