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Improving IR Ergonomics Using a Flexible C-Arm System.

Constantino S Peña1, Volkan Tuncay2, James F Benenati1

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A new flexible C-arm system significantly reduced table repositioning, operator discomfort, and perceived risks during interventional radiology procedures compared to traditional systems.

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Area of Science:

  • Medical Imaging
  • Interventional Radiology
  • Ergonomics

Background:

  • Traditional ceiling-mounted C-arm systems can necessitate frequent table and gantry adjustments during interventional radiology (IR) procedures.
  • These adjustments can lead to increased operator physical discomfort, potential patient safety risks, and system usability challenges.

Purpose of the Study:

  • To evaluate a flexible, multiaxis ceiling-mounted C-arm system (FlexArm) against a traditional system.
  • To assess the impact on table and gantry repositioning, operator discomfort, system usability, and patient safety during IR procedures.

Main Methods:

  • A comparative study of 100 IR procedures: 50 with a traditional system and 50 with the novel FlexArm system.
  • Measurements included table and gantry repositioning frequency.
  • Operator surveys assessed perceived repositioning effort, patient safety risks, and physical discomfort.

Main Results:

  • Table repositioning instances decreased from 42 to 16 per procedure with the FlexArm system (P < .001).
  • Operators reported significantly less repositioning effort, reduced collision risks, and decreased displacement of vascular access or tubes/lines (P < .0001).
  • Operator physical discomfort was significantly reduced across all body areas with the FlexArm system (P < .0001).

Conclusions:

  • The FlexArm system's geometry improves operator ergonomics by minimizing table movement.
  • This leads to perceived reductions in patient risk and operator physical discomfort compared to traditional imaging systems.
  • The novel system offers enhanced usability and safety in interventional radiology settings.