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Review Article
- Virtual reality simulators for temporal bone dissection: overcoming limitations of previous models
- Temuulen Batsaikhan, Young Joon Seo
- Res Vestib Sci. 2024;23(1):1-10. Published online March 15, 2024
- DOI: https://doi.org/10.21790/rvs.2024.002
- 1,891 View
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Abstract
PDF - Temporal bone dissection is a critical skill for otolaryngology trainees: however, it is challenging to master due to the complex anatomy and limited exposure to cadaveric specimens. The aim of this review was to develop and evaluate a novel virtual reality (VR) simulator for temporal bone dissection, addressing the limitations of previous simulators reported in the literature. A comprehensive literature search was conducted in the PubMed, Embase, and Cochrane Library databases from inception to September 2022. The search was limited to studies that evaluated the effectiveness of VR simulators for temporal bone dissection. The quality of the included studies was assessed using the Cochrane Risk of Bias Tool. The results showed that VR simulators can significantly improve temporal bone dissection skills, including anatomical knowledge, instrument handling, and surgical performance. Compared to traditional training methods, VR simulation was associated with faster learning curves, better retention of skills, and greater confidence among trainees. However, some limitations of current VR models were identified, including the lack of haptic feedback, limited realism, and short duration of practice. VR simulators are a valuable adjunct to traditional methods for temporal bone dissection training. The recently developed VR simulator addressed the limitations of previous simulators and demonstrated its potential to enhance the training of clinicians in temporal bone dissection. Future directions for research include further validation of the simulator and exploration of its potential for use in clinical settings.
Case Reports
- Bilateral Sudden Hearing Loss Caused by Basilar Artery Dissection: A Case Report
- Ho Byung Lee, Jieun Roh, Hyun Min Lee, Jae-Hwan Choi
- Res Vestib Sci. 2021;20(4):151-155. Published online December 15, 2021
- DOI: https://doi.org/10.21790/rvs.2021.20.4.151
- 3,027 View
- 91 Download
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Abstract
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- Bilateral sudden sensorineural hearing loss (SNHL) is rare, but a possible symptom of vertebrobasilar ischemia. A 69-year-old female patient with hypertension and atrial fibrillation presented with bilateral sudden hearing loss and vertigo without other neurological symptoms. On examination, she had left-beating horizontal nystagmus with positive head impulse on the left side. Pure tone audiometry revealed severe SNHL on both sides. Brain computed tomography angiography showed a dissection in the proximal portion of the basilar artery (BA) with occlusion of the mid-BA and bilateral anterior inferior cerebellar arteries (AICA), which confirmed on transfemoral cerebral angiography (TFCA). Left common carotid angiography demonstrated retrograde blood flow into the BA and right AICA via the left posterior communicating artery. During TFCA, her right hearing loss dramatically improved. Nine days later, follow-up TFCA showed an improvement of antegrade flow of the BA and AICA. We suggest that vertebrobasilar ischemia can be suspected in patients with bilateral sudden SNHL who present with risk factors for stroke.
- Nystagmus in Intracranial Vertebral Artery Dissection Caused by Golf Swing
- Jin Woo Choi, Yeonsil Moon, Jung Eun Shin, Chang-Hee Kim
- Res Vestib Sci. 2021;20(1):28-32. Published online March 11, 2021
- DOI: https://doi.org/10.21790/rvs.2021.20.1.28
- 4,568 View
- 67 Download
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Abstract
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Supplementary Material - Vertebral artery dissection (VAD) during a golf swing is extremely rare. Golfrelated VAD has been reported to occur more commonly at extracranial segments on the right side. In the present study, we report a 57-year-old, right-handed, female amateur golfer with golf-related VAD which developed at the intracranial segment (V4) of the left vertebral artery. The patient complained of sudden vertigo with nausea and vomiting, and aggravation of the left tinnitus. Video oculography showed very weakly left- and upbeating spontaneous nystagmus. The intensity of nystagmus was increased by positioning such as bowing, lying down or right head-rolling. The patient was treated with oral aspirin, and complete recanalization of the left vertebral artery was observed in a follow-up imaging study.
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