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Whole-body computed tomography for multiple traumas using a triphasic injection protocol.

Christos Loupatatzis1, Sebastian Schindera, Jan Gralla

  • 1Institute for Diagnostic, Interventional and Pediatric Radiology, Inselspital Berne, Freiburgstrasse 10, CH-3010 Berne, Switzerland.

European Radiology
|February 14, 2008
PubMed
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This study found that a triphasic injection protocol for whole-body multidetector computed tomography (MDCT) provides diagnostic image quality for trauma patients. While arterial opacification was slightly less than MDCT angiography, venous and organ enhancement were superior.

Area of Science:

  • Radiology
  • Medical Imaging
  • Trauma Care

Background:

  • Optimizing contrast enhancement in multidetector computed tomography (MDCT) is crucial for diagnosing multiple trauma.
  • Standard injection protocols may not provide adequate opacification for comprehensive whole-body imaging in trauma patients.

Purpose of the Study:

  • To evaluate a novel triphasic injection protocol for whole-body MDCT in patients with multiple trauma.
  • To assess the image quality of vascular and parenchymal structures using this protocol.

Main Methods:

  • Fifty trauma patients underwent whole-body MDCT using a triphasic contrast injection protocol.
  • Image quality was assessed by two blinded readers and compared to standard protocols (MDCT angiography, late arterial chest, portovenous abdomen).

Related Experiment Videos

Main Results:

  • The triphasic protocol achieved diagnostic image quality for most vessels and parenchymal organs.
  • Arterial opacification was slightly lower than MDCT angiography but comparable.
  • Venous and organ opacification were significantly better than all other evaluated protocols.
  • Arm artifacts negatively impacted spleen and liver parenchyma density.

Conclusions:

  • The triphasic injection protocol is effective for whole-body MDCT in multiple trauma patients.
  • It offers superior enhancement of veins and organs compared to specialized protocols.
  • Minimizing arm artifacts is recommended to optimize image quality.