Objective Collimation Tracking and Feedback Improves Collimation in Complex IR Procedures

A new collimation index (CI) tracked in 7579 fluoroscopic procedures over 13 months showed that educational feedback improved weekly average CI for complex cases from 0.155 to 0.227. Aggressive collimation varied substantially by procedure type and operator, especially in comple…

• The collimation index (CI) was an objective metric where numerically higher values denote tighter collimation.
• Operator variation in collimation was most pronounced during complex fluoroscopically-guided interventions (FGIs).
• Per the source, a limitation was the single-center design, which may limit generalizability of the absolute CI improvements observed.

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