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Creation of an optic nerve sheath diameter ultrasound model for Neuro ICU education

Military Medical Research 2021年第1期8卷 116-120页

作者： Heidi M.Felix Kristin A.Rosenbush Amy M.Lannen Robert A.Pooley Jason L.Siegel Benjamin L.Brown Melissa L.Mc Mullan Christina I.Collins William D.Freeman J.Wayne and Delores Barr Weaver Simulation Center Mayo Clinic4500 San Pablo RoadJacksonvilleFL 32224USA Division of Medical Physics Mayo ClinicJacksonvilleFL 32224USA Department of Critical Care Medicine Mayo ClinicJacksonvilleFL 32224USA Department of Neurology Mayo ClinicJacksonvilleFL 32224USA Department of Neurologic Surgery Mayo ClinicJacksonvilleFL 32224USA Department of Radiology Mayo ClinicJacksonvilleFL 32224USA Department of Nursing Mayo ClinicJacksonvilleFL 32224USA

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, 3 D, reusable ONSD model to train neurology, neurosurgery, and critical care providers in measuring ***: 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 3 D-printed optic nerve inserted into a platform composed of ballistics gel, all of which sat inside a 3 D-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 ***: A simple 3 D 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： Intracranial pressure Simulation task trainer Ultrasound

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