NCT04955483

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

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

• Status: Completed
• Phase: —
• Study type: Observational
• Enrollment: 43 (actual)
• Sponsor: Peking University Third Hospital · Academic / Other
• Sex: All
• Age: —
• Healthy volunteers: Not accepted

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.

Detailed 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.

Conditions

• Spinal Disease

Interventions

Type	Name	Description
DIAGNOSTIC_TEST	Virtual single energy combined with MAR reconstruction group	combined with MAR reconstruction group

Timeline

• Start date: 2018-12-01
• Primary completion: 2018-12-03
• Completion: 2019-02-01
• First posted: 2021-07-08
• Last updated: 2021-07-08

Locations

1 site across 1 country: China