1. Two-Dimensional High Definition Versus Three-Dimensional Endoscopy in Endonasal Skull Base Surgery: A Comparative Preclinical Study.
- Author
-
Rampinelli, Vittorio, Doglietto, Francesco, Mattavelli, Davide, Qiu, Jimmy, Raffetti, Elena, Schreiber, Alberto, Villaret, Andrea Bolzoni, Kucharczyk, Walter, Donato, Francesco, Fontanella, Marco Maria, and Nicolai, Piero
- Subjects
- *
SKULL base , *SKULL surgery , *DEFINITIONS , *ENDOSCOPIC surgery , *ENDOSCOPY , *SUM of squares - Abstract
Background and Objective Three-dimensional (3D) endoscopy has been recently introduced in endonasal skull base surgery. Only a relatively limited number of studies have compared it to 2-dimensional, high definition technology. The objective was to compare, in a preclinical setting for endonasal endoscopic surgery, the surgical maneuverability of 2-dimensional, high definition and 3D endoscopy. Methods A group of 68 volunteers, novice and experienced surgeons, were asked to perform 2 tasks, namely simulating grasping and dissection surgical maneuvers, in a model of the nasal cavities. Time to complete the tasks was recorded. A questionnaire to investigate subjective feelings during tasks was filled by each participant. In 25 subjects, the surgeons' movements were continuously tracked by a magnetic-based neuronavigator coupled with dedicated software (ApproachViewer, part of GTx-UHN) and the recorded trajectories were analyzed by comparing jitter, sum of square differences, and funnel index. Results Total execution time was significantly lower with 3D technology ( P < 0.05) in beginners and experts. Questionnaires showed that beginners preferred 3D endoscopy more frequently than experts. A minority (14%) of beginners experienced discomfort with 3D endoscopy. Analysis of jitter showed a trend toward increased effectiveness of surgical maneuvers with 3D endoscopy. Sum of square differences and funnel index analyses documented better values with 3D endoscopy in experts. Conclusions In a preclinical setting for endonasal skull base surgery, 3D technology appears to confer an advantage in terms of time of execution and precision of surgical maneuvers. [ABSTRACT FROM AUTHOR]
- Published
- 2017
- Full Text
- View/download PDF