Αρχειοθήκη ιστολογίου

Αλέξανδρος Γ. Σφακιανάκης
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5
Άγιος Νικόλαος Κρήτη 72100
2841026182
6032607174

Τρίτη 18 Απριλίου 2017

The effect of handedness and laterality in a microlaryngeal surgery simulator

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Publication date: Available online 18 April 2017
Source:American Journal of Otolaryngology
Author(s): Matthew R. Naunheim, Amanda Le, Matthew M. Dedmon, Ramon A. Franco, Jennifer Anderson, Phillip C. Song
PurposeThere are no controlled prospective studies evaluating the effect of dominant handedness in left- and right-sided surgery in otolaryngology. Endoscopic microlaryngeal phonosurgery is an ideal procedure to assess technical aspects of handedness and laterality, due to anatomic symmetry. In this study, we analyzed (1) choice of surgical approach and (2) outcomes based on handedness and laterality in a microlaryngeal simulator.MethodsUsing a validated high-fidelity phonosurgery model, a prospective cohort of 19 expert laryngologists undertook endoscopic resection of a simulated vocal fold lesion. These resections were video-recorded and scored by 2 blinded expert laryngologists using a validated global rating scale, procedure-specific rating scale, and a hand preference analysis.ResultsThere were 18 right-handed participants and 1 left-handed. 12 left and 7 right excisions were evaluated. Cronbach's alpha for inter-rater reliability was good (0.871, global scale; and 0.814, procedure-specific scale). Surgeons used their dominant hand 78.9% of the time for both incision and dissection. In cases where the non-dominant hand would have been preferred, surgeons used the non-dominant hand only 36.4% of the time for incision and dissection. Use of the non-dominant hand did not influence global or procedural rating (p=0.132 and p=0.459, respectively).ConclusionsIn this simulation of microlaryngeal surgery, there were measurable differences in surgical approaches based on hand dominance, with surgeons preferring to cut and perform resection with the dominant hand despite limitations in the instrumentation and exposure. Regardless of hand preference, overall outcomes based on global rating and technique specific rating scales were not significantly different.



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