Clinical Utility of Electroglottography and Videostroboscopy: A Correlational Study

Authors

  • Sreedevi N. Professor in Speech Sciences, HOD, Department of Clinical Services, All India Institute of Speech and Hearing, Mysuru
  • Nikitha M. All India Institute of Speech and Hearing
  • Nivanka R.
  • Niharika M.K. All India Institute of Speech and Hearing

DOI:

https://doi.org/10.37591/rrjohp.v9i3.1364

Abstract

Voice serves as a unique identity of an individual which is derived from laryngeal features. Any deviance in the voice quality is considered abnormal and thus seeks clinical attention. Speech-Language Pathologist (SLP) plays an important role in the assessment and diagnosis of voice-related disorders. Although perceptual evaluation is a gold standard, objective methods augment the accuracy of the diagnosis of voice disorders. Electroglottography (EGG) is one such commonly used non-invasive objective method which provides physiological information about vocal fold movements. Videostroboscopy is an objective method which aids SLPs to visualize the structure and function of the larynx during phonation; however, it is not easily available to SLPs. Various voice disorders yield varied and distinct structural and physiological mechanism which leads to a specific type of morphology of EGG waveform. However, a valid correlation between EGG waveforms and videostroboscopy findings would facilitate speech-language pathologists in the diagnosis of voice disorders. With evidence from videostroboscopy of various vocal pathologies, this study attempts to correlate the EGG findings.

 

Keywords: Electroglottography (EGG), videostroboscopy, vocal pathologies, Xion EndoStrobe Videostroboscopy system, Stroboscopy

 

Cite this Article

Sreedevi N, Nikitha M, Nivanka R, Niharika M.K. Clinical Utility of Electroglottography and Videostroboscopy: A Correlational Study. Research & Reviews: A Journal of Health Professions. 2019; 9(3): 1–10p.

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Published

2019-11-06

Issue

Vol. 9 No. 3 (2019)

Section

Research Article

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