Validity of a Novel Digitally Enhanced Skills Training Station for Freehand Distal Interlocking

<i>Background and Objectives:</i> Freehand distal interlocking of intramedullary nails is technically demanding and prone to handling issues. It requires precise placement of a screw through the nail under fluoroscopy guidance and can result in a time consuming and radiation expensive pr...

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Main Authors: Torsten Pastor, Tatjana Pastor, Philipp Kastner, Firas Souleiman, Matthias Knobe, Boyko Gueorguiev, Markus Windolf, Jan Buschbaum
Format: Article
Language:English
Published: MDPI AG 2022-06-01
Series:Medicina
Subjects:
Online Access:https://www.mdpi.com/1648-9144/58/6/773
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author Torsten Pastor
Tatjana Pastor
Philipp Kastner
Firas Souleiman
Matthias Knobe
Boyko Gueorguiev
Markus Windolf
Jan Buschbaum
author_facet Torsten Pastor
Tatjana Pastor
Philipp Kastner
Firas Souleiman
Matthias Knobe
Boyko Gueorguiev
Markus Windolf
Jan Buschbaum
author_sort Torsten Pastor
collection DOAJ
description <i>Background and Objectives:</i> Freehand distal interlocking of intramedullary nails is technically demanding and prone to handling issues. It requires precise placement of a screw through the nail under fluoroscopy guidance and can result in a time consuming and radiation expensive procedure. Dedicated training could help overcome these problems. The aim of this study was to assess construct and face validity of new Digitally Enhanced Hands-On Surgical Training (DEHST) concept and device for training of distal interlocking of intramedullary nails. <i>Materials and Methods:</i> Twenty-nine novices and twenty-four expert surgeons performed interlocking on a DEHST device. Construct validity was evaluated by comparing captured performance metrics—number of X-rays, nail hole roundness, drill tip position and drill hole accuracy—between experts and novices. Face validity was evaluated with a questionnaire concerning training potential and quality of simulated reality using a 7-point Likert scale. <i>Results:</i> Face validity: mean realism of the training device was rated 6.3 (range 4–7). Training potential and need for distal interlocking training were both rated with a mean of 6.5 (range 5–7), with no significant differences between experts and novices, <i>p</i> ≥ 0.234. All participants (100%) stated that the device is useful for procedural training of distal nail interlocking, 96% wanted to have it at their institution and 98% would recommend it to colleagues. Construct validity: total number of X-rays was significantly higher for novices (20.9 ± 6.4 versus 15.5 ± 5.3, <i>p</i> = 0.003). Success rate (ratio of hit and miss attempts) was significantly higher for experts (novices hit: <i>n</i> = 15; 55.6%; experts hit: <i>n</i> = 19; 83%, <i>p</i> = 0.040). <i>Conclusion:</i> The evaluated training device for distal interlocking of intramedullary nails yielded high scores in terms of training capability and realism. Furthermore, construct validity was proven by reliably discriminating between experts and novices. Participants indicate high further training potential as the device may be easily adapted to other surgical tasks.
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spelling doaj.art-cd7b0e29b21345669a2447bb3d64f41a2023-11-23T17:52:21ZengMDPI AGMedicina1010-660X1648-91442022-06-0158677310.3390/medicina58060773Validity of a Novel Digitally Enhanced Skills Training Station for Freehand Distal InterlockingTorsten Pastor0Tatjana Pastor1Philipp Kastner2Firas Souleiman3Matthias Knobe4Boyko Gueorguiev5Markus Windolf6Jan Buschbaum7AO Research Institute Davos, 7270 Davos, SwitzerlandDepartment of Hand Surgery, Bern University Hospital, University of Bern, 8008 Bern, SwitzerlandAO Research Institute Davos, 7270 Davos, SwitzerlandAO Research Institute Davos, 7270 Davos, SwitzerlandDepartment of Orthopedic and Trauma Surgery, Lucerne Cantonal Hospital, 6000 Lucerne, SwitzerlandAO Research Institute Davos, 7270 Davos, SwitzerlandAO Research Institute Davos, 7270 Davos, SwitzerlandAO Research Institute Davos, 7270 Davos, Switzerland<i>Background and Objectives:</i> Freehand distal interlocking of intramedullary nails is technically demanding and prone to handling issues. It requires precise placement of a screw through the nail under fluoroscopy guidance and can result in a time consuming and radiation expensive procedure. Dedicated training could help overcome these problems. The aim of this study was to assess construct and face validity of new Digitally Enhanced Hands-On Surgical Training (DEHST) concept and device for training of distal interlocking of intramedullary nails. <i>Materials and Methods:</i> Twenty-nine novices and twenty-four expert surgeons performed interlocking on a DEHST device. Construct validity was evaluated by comparing captured performance metrics—number of X-rays, nail hole roundness, drill tip position and drill hole accuracy—between experts and novices. Face validity was evaluated with a questionnaire concerning training potential and quality of simulated reality using a 7-point Likert scale. <i>Results:</i> Face validity: mean realism of the training device was rated 6.3 (range 4–7). Training potential and need for distal interlocking training were both rated with a mean of 6.5 (range 5–7), with no significant differences between experts and novices, <i>p</i> ≥ 0.234. All participants (100%) stated that the device is useful for procedural training of distal nail interlocking, 96% wanted to have it at their institution and 98% would recommend it to colleagues. Construct validity: total number of X-rays was significantly higher for novices (20.9 ± 6.4 versus 15.5 ± 5.3, <i>p</i> = 0.003). Success rate (ratio of hit and miss attempts) was significantly higher for experts (novices hit: <i>n</i> = 15; 55.6%; experts hit: <i>n</i> = 19; 83%, <i>p</i> = 0.040). <i>Conclusion:</i> The evaluated training device for distal interlocking of intramedullary nails yielded high scores in terms of training capability and realism. Furthermore, construct validity was proven by reliably discriminating between experts and novices. Participants indicate high further training potential as the device may be easily adapted to other surgical tasks.https://www.mdpi.com/1648-9144/58/6/773educationsimulationdistal interlockingintramedullary nailingtraining
spellingShingle Torsten Pastor
Tatjana Pastor
Philipp Kastner
Firas Souleiman
Matthias Knobe
Boyko Gueorguiev
Markus Windolf
Jan Buschbaum
Validity of a Novel Digitally Enhanced Skills Training Station for Freehand Distal Interlocking
Medicina
education
simulation
distal interlocking
intramedullary nailing
training
title Validity of a Novel Digitally Enhanced Skills Training Station for Freehand Distal Interlocking
title_full Validity of a Novel Digitally Enhanced Skills Training Station for Freehand Distal Interlocking
title_fullStr Validity of a Novel Digitally Enhanced Skills Training Station for Freehand Distal Interlocking
title_full_unstemmed Validity of a Novel Digitally Enhanced Skills Training Station for Freehand Distal Interlocking
title_short Validity of a Novel Digitally Enhanced Skills Training Station for Freehand Distal Interlocking
title_sort validity of a novel digitally enhanced skills training station for freehand distal interlocking
topic education
simulation
distal interlocking
intramedullary nailing
training
url https://www.mdpi.com/1648-9144/58/6/773
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