Heart Rate Variability in Benign Paroxysmal Positional Vertigo

Benign paroxysmal positional vertigo (BPPV) is the most common peripheral vestibular disorder. Although the pathophysiology of BPPV is mainly attributed to the displacement of otoconia within the semicircular canals, recent studies suggest that psychological stress and anxiety may be associated with the onset or recurrence of the disease. However, the biological mechanisms underlying this relationship remain poorly understood, and objective evaluation of autonomic nervous system function in patients with BPPV is limited. Heart rate variability (HRV) is a non-invasive method widely used to assess autonomic nervous system activity. Short-term HRV measurements provide information about autonomic balance and vagal tone. In particular, parameters such as the root mean square of successive differences (RMSSD) and the coefficient of variation of RR intervals (COV RR/R) are considered indicators of parasympathetic activity. The aim of this prospective case-control study is to evaluate vagal tone in patients with BPPV using short-term HRV analysis and to compare the findings with age-, sex-, and body mass index-matched healthy controls. Participants will undergo standardized HRV measurements at rest and during controlled breathing. Perceived stress levels will also be assessed using the Perceived Stress Scale (PSS-10). The primary outcomes of the study are RMSSD and the coefficient of variation of RR intervals (COV RR/R), obtained from short-term HRV recordings. These parameters wi…

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Dastan Temirbekov, assistan professor  ·  05314013014  ·  dasekeeee@gmail.com

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