Creation of an optic nerve sheath diameter ultrasound model for NeuroICU education

Heidi M. Felix; Kristin A. Rosenbush; Amy M. Lannen; Robert A. Pooley; Jason L. Siegel; Benjamin L. Brown; Melissa L. McMullan; Christina I. Collins; William D. Freeman

doi:10.1186/s40779-020-00274-4

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Creation of an optic nerve sheath diameter ultrasound model for NeuroICU education

METHODOLOGY | Updated：2023-02-28

- Creation of an optic nerve sheath diameter ultrasound model for NeuroICU education
- Military Medical Research Vol. 8, Issue 1, Pages: 116-120(2021)
- Affiliations：
  
  1.J. Wayne and Delores Barr Weaver Simulation Center, Mayo Clinic, 4500 San Pablo Road, Jacksonville, FL 32224, USA
  2.Division of Medical Physics, Mayo Clinic, Jacksonville, FL 32224, USA
  3.Department of Critical Care Medicine, Mayo Clinic, Jacksonville, FL 32224, USA
  4.Department of Neurology, Mayo Clinic, Jacksonville, FL 32224, USA
  5.Department of Neurologic Surgery, Mayo Clinic, Jacksonville, FL 32224, USA
  6.Department of Radiology, Mayo Clinic, Jacksonville, FL 32224, USA
  7.Department of Nursing, Mayo Clinic, Jacksonville, FL 32224, USA
- Author bio：
  
  * Felix.Heidi@mayo.edu
- Funds：
- DOI：10.1186/s40779-020-00274-4
  CLC：
- Published：2021-03
- Accepted：
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Felix et al.: Creation of an optic nerve sheath diameter ultrasound model for NeuroICU education. Mil Med Res, 2020, 7: 43.
DOI：

Felix et al.: Creation of an optic nerve sheath diameter ultrasound model for NeuroICU education. Mil Med Res, 2020, 7: 43. DOI： 10.1186/s40779-020-00274-4.

摘要

Abstract

Background:

Using ultrasound to measure optic nerve sheath diameter (ONSD) is an emerging bedside technique to noninvasively assess intracranial pressure (ICP) in patients with brain injury. This technique is unique among bedside ultrasonography and is often performed by providers who have no formal ultrasound training. We sought to create a low-cost

reusable ONSD model to train neurology

neurosurgery

and critical care providers in measuring ICP.

Results:

We identified 253 articles

of which 15 were associated with models and 2 with simulation. One gelatin model was reported

upon which we based our initial design. We could not validate the visual findings of this model; however

after constructing multiple beta models

the design most representative of human eye anatomy was a globe made of ballistics gel and either a 3 mm

5 mm

or 7 mm×50 mm 3D-printed optic nerve inserted into a platform composed of ballistics gel

all of which sat inside a 3D-printed skull. This model was used to teach ONSD measurements with ultrasound at a continuing medical education event prior to training on a live human model.

Conclusions:

A simple 3D ballistic ONSD model allows learners to practice proper hand placement and pressure

basic landmarks

and ONSD measurement prior to operating on a human eye. This model is replicable and sustainable given that the globe and platform are composed of ballistics gel.

关键词

Keywords

references

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