ArticleScientific reports2025
The impact of vestibular-autonomic blood pressure responses derived from the head-up Tilt test on benign paroxysmal positional vertigo recurrence.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The autonomic nervous system maintains homeostasis, with the vestibulosympathetic reflex playing a key role in regulating blood pressure during postural changes. Benign paroxysmal positional vertigo (BPPV), a common vestibular disorder, has been linked to autonomic dysfunction, but the impact of vestibular-autonomic interactions on BPPV recurrence remains unclear. This prospective study investigated whether changes in diastolic blood pressure (DBP) responses during head-up tilt tests before and after treatment are associated with BPPV recurrence in 370 patients with idiopathic BPPV. DBP responses were recorded at 1 and 2 min after tilting, and patients were categorized into three groups based on DBP changes. At 6 months, the high-response group in the 1-minute DBP category had a 1.98-fold higher recurrence rate than the low-response group (p = 0.029). At 12 months, this group showed a 9.8-fold higher multiple recurrence rate (p = 0.033), while the high-response group in the 2-minute category had a 14.3-fold higher rate (p = 0.012). These results suggest that elevated DBP responses during vestibulosympathetic reflex activation are significantly associated with BPPV recurrence. Monitoring DBP through head-up tilt tests could provide valuable insights into recurrence risk, highlighting the role of vestibular-autonomic interactions in BPPV.
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