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Otosurgery with the High-Definition Three-Dimensional (3D) Exoscope: Advantages and Disadvantages. | LitMetric

Background: The aim of the study was to describe our initial experience with the high-definition three-dimensional (3D) exoscope for middle ear surgery versus the operating microscope.

Methods: The study included 60 randomly chosen patients diagnosed with otosclerosis ( = 30) or chronic otitis media ( = 30) with a clinical indication for surgery. The primary measurement was the subjective estimation of quality of the visibility of the operating field provided by the 3D exoscope-VITOM-3D (Karl Storz, Tuttlingen, Germany) in comparison to the operating microscope.

Results: All procedures, except for two (3.3%) converted to the microscope, were successfully completed using a 3D exoscope. In both stapedotomy and tympanoplasty, the exoscope was superior to the microscope during more superficial portions of the procedures. By contrast, in deeper areas of the middle ear, the exoscope provided significantly worse visibility, but usually not suboptimal. Both intraoperative bleeding and the narrow surgical field substantially reduced the visibility with the 3D exoscope in comparison to the microscope.

Conclusions: Overall, our study shows that the 3D exoscope offers excellent, highly magnified, and well-illuminated high-definition images of the surgical field. However, our experience revealed several important limitations of this system, including decreased depth perception in deep areas of the tympanic cavity and reduced visibility in a difficult surgical field, with subsequent need to switch to an operating microscope in select cases.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7919662PMC
http://dx.doi.org/10.3390/jcm10040777DOI Listing

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