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Virtual Single-energy Imaging and De-metallic Artifact Technology in Reducing Spinal Metallic Artifacts

Spinal Disease Clinical Trial

Official title:
A Comparative Study of Virtual Single-energy Imaging and De-metallic Artifact Technology in Reducing Spinal Metallic Artifacts

Clinical Trial Summary

1. Compare the effect of virtual single energy imaging and virtual single energy combined with MAR technology to remove metal artifacts in the spine. 2. Discuss the most suitable KeV of virtual single energy imaging combined with MAR technology to remove metal artifacts.

Clinical Trial Description

The virtual single-energy imaging of energy spectrum CT combined with the metal artifact reduction technology MARS Multi Artifact Reduction System] can effectively reduce the interference of metal artifacts. This is because MAR technology corrects the image through an iterative algorithm, improves the spatial resolution, and restores the details of the adjacent tissue of the metal object. Virtual single-energy imaging technology can effectively reduce hardening artifacts. The two are used in combination to achieve the purpose of reducing metal artifacts. There have been articles about virtual single energy combined with MAR technology to reduce metal artifacts. However, the current researches mostly focus on the comparison of virtual single energy combined with MAR technology and conventional CT examination and virtual single energy imaging. There are few evaluations on the severity of metal artifacts after spinal surgery. According to different surgical methods, metal The difference in the number of implants will result in different artifact reduction effects. Secondly, the current research on the suitable KeV of virtual single energy combined with MAR technology to reduce metal artifacts is less discussed and reported. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04955483
Study type Observational
Source Peking University Third Hospital
Contact
Status Completed
Phase
Start date December 1, 2018
Completion date February 1, 2019
View Details
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