Evaluation of accuracy and performance of a novel, fully gantry integrated 3D laser system for computed tomography guided needle placement: a phantom study
The purpose of this phantom study was to compare the accuracy, speed and technical performance of CT guided needle placement using a conventional technique versus a novel, gantry integrated laser guidance system for both an expert and a novice. A total of 80 needle placements were performed in an ab...
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| Main Authors: | , , , , |
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| Format: | Article (Journal) |
| Language: | English |
| Published: |
12 January 2023
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| In: |
Diagnostics
Year: 2023, Volume: 13, Issue: 2, Pages: 1-10 |
| ISSN: | 2075-4418 |
| DOI: | 10.3390/diagnostics13020282 |
| Online Access: | Verlag, kostenfrei, Volltext: https://doi.org/10.3390/diagnostics13020282 Verlag, kostenfrei, Volltext: https://www.mdpi.com/2075-4418/13/2/282 
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| Author Notes: | Katharina Weigel, Rahel A. Kubik-Huch, Matthias Baer-Beck, Christian Canstein and Michael Kostrzewa |
| Summary: | The purpose of this phantom study was to compare the accuracy, speed and technical performance of CT guided needle placement using a conventional technique versus a novel, gantry integrated laser guidance system for both an expert and a novice. A total of 80 needle placements were performed in an abdominal phantom using conventional CT guidance and a laser guidance system. Analysis of pooled results of expert and novice showed a significant reduction of time (277 vs. 204 s, p = 0.001) and of the number of needle corrections (3.28 vs. 1.58, p < 0.001) required when using laser guidance versus conventional technique. No significant improvement in absolute (3.81 vs. 3.41 mm, p = 0.213) or angular deviation (2.85 vs. 2.18°, p = 0.079) was found. With either approach, the expert was significantly faster (conventional guidance: 207 s vs. 346 s, p < 0.001; laser guidance: 144 s vs. 264 s, p < 0.001) and required fewer needle corrections (conventional guidance: 4 vs. 3, p = 0.027; laser guidance: 2 vs. 1, p = 0.001) than the novice. The laser guidance system helped both the expert and the novice to perform CT guided interventions in a phantom faster and with fewer needle corrections compared to the conventional technique, while achieving similar accuracy. |
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| Item Description: | Gesehen am 19.08.2024 |
| Physical Description: | Online Resource |
| ISSN: | 2075-4418 |
| DOI: | 10.3390/diagnostics13020282 |