ArticleFrontiers in neurology2025
Dehydration-associated cerebral hypoperfusion in sudden sensorineural hearing loss: an arterial spin labeling-based preliminary study.
Article in Frontiers in neurology, 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
Objective: Sudden sensorineural hearing loss (SSNHL) rapidly decreases hearing, often by more than 30 decibels within 3 days. While circulatory issues are suspected causes, the exact reason remains unclear. This study employs Arterial Spin Labeling to examine changes in cerebral blood flow and its relationship with hydration levels in SSNHL. Methods: A prospective study examined patients with SSNHL, dividing them into 20 right-sided SSNHL (RSSNHL), 22 left-sided SSNHL (LSSNHL), and 20 healthy controls (HC). Cerebral blood flow (CBF) data were obtained using MATLAB. Statistical analysis included one-way ANOVA with Results: Compared to HC, patients with RSSNHL showed reduced CBF value in right medial superior frontal gyrus, Heschl's gyrus (HG), and left inferior temporal gyrus, conversely increased perfusion in left calcarine. In LSSNHL patients, CBF value was decreased in the left superior temporal gyrus (STG) and right middle temporal gyrus, with increased perfusion in the left temporal pole STG compared to HC (cluster level Conclusion: Cerebral perfusion changes were present in the temporal, frontal, and occipital lobes of SSNHL patients. Furthermore, insufficient water intake may be a potential cause of SSNHL. Drinking adequate water is vital in preventing and recovering from this condition.
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