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Morone PJ, Bekelis K, Root BK, et al. Development and Validation of a Mobile Device-based External Ventricular Drain Simulator. Oper Neurosurg (Hagerstown). 2017;13(5):603-608doi: 10.1093/ons/opx022.
Morone, P. J., Bekelis, K., Root, B. K., & Singer, R. J. (2017). Development and Validation of a Mobile Device-based External Ventricular Drain Simulator. Operative neurosurgery (Hagerstown, Md.), 13(5), 603-608. https://doi.org/10.1093/ons/opx022
Morone, Peter J, et al. "Development and Validation of a Mobile Device-based External Ventricular Drain Simulator." Operative neurosurgery (Hagerstown, Md.) vol. 13,5 (2017): 603-608. doi: https://doi.org/10.1093/ons/opx022
Morone PJ, Bekelis K, Root BK, Singer RJ. Development and Validation of a Mobile Device-based External Ventricular Drain Simulator. Oper Neurosurg (Hagerstown). 2017 Oct 01;13(5):603-608. doi: 10.1093/ons/opx022. PMID: 28922878.
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Oper Neurosurg (Hagerstown). 2017 Oct 01;13(5):603-608. doi: 10.1093/ons/opx022.

Development and Validation of a Mobile Device-based External Ventricular Drain Simulator.

Operative neurosurgery (Hagerstown, Md.)

Peter J Morone, Kimon Bekelis, Brandon K Root, Robert J Singer

Affiliations

  1. Vanderbilt University Medical Center, Department of Neurological Surgery, Nashville, Tennessee.
  2. Dartmouth-Hitchcock Medical Center, Section of Ne-urosurgery, Lebanon, New Hampshire.
  3. The Dartmouth Institute for Health Policy and Clinical Practice, Geisel School of Medicine, Lebanon, New Hampshire.

PMID: 28922878 DOI: 10.1093/ons/opx022

Abstract

BACKGROUND: Multiple external ventricular drain (EVD) simulators have been created, yet their cost, bulky size, and nonreusable components limit their accessibility to residency programs.

OBJECTIVE: To create and validate an animated EVD simulator that is accessible on a mobile device.

METHODS: We developed a mobile-based EVD simulator that is compatible with iOS (Apple Inc., Cupertino, California) and Android-based devices (Google, Mountain View, California) and can be downloaded from the Apple App and Google Play Store. Our simulator consists of a learn mode, which teaches users the procedure, and a test mode, which assesses users' procedural knowledge. Twenty-eight participants, who were divided into expert and novice categories, completed the simulator in test mode and answered a postmodule survey. This was graded using a 5-point Likert scale, with 5 representing the highest score. Using the survey results, we assessed the module's face and content validity, whereas construct validity was evaluated by comparing the expert and novice test scores.

RESULTS: Participants rated individual survey questions pertaining to face and content validity a median score of 4 out of 5. When comparing test scores, generated by the participants completing the test mode, the experts scored higher than the novices (mean, 71.5; 95% confidence interval, 69.2 to 73.8 vs mean, 48; 95% confidence interval, 44.2 to 51.6; P < .001).

CONCLUSION: We created a mobile-based EVD simulator that is inexpensive, reusable, and accessible. Our results demonstrate that this simulator is face, content, and construct valid.

Copyright © 2017 by the Congress of Neurological Surgeons

Keywords: Cognitive task analysis; External ventricular drain; Mobile-based; Simulator; Touch surgery; Ventriculostomy

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