Hyperhomocysteinemia in sudden sensorineural hearing loss: Evidence from a prospective clinical study

Murat Akın and Orhan Kemal Kahveci

PLOS ONE, 2026, vol. 21, issue 8, 1-13

Abstract: Objective: To compare baseline and post-treatment homocysteine levels in patients with sudden sensorineural hearing loss (SSNHL) and to evaluate the potential role of homocysteine in the pathogenesis of the disease as well as its association with hearing recovery. Methods: A total of 40 patients diagnosed with SSNHL and 40 age- and sex-matched healthy controls were included in this prospective observational study. Serum homocysteine levels were measured at baseline and at the 4–6-week follow-up visit after treatment in the SSNHL group, and once at enrollment in the control group. Hearing thresholds were assessed using pure tone audiometry. Treatment response was classified according to Siegel criteria. Statistical analyses included group comparisons, correlation analyses, and multivariate logistic regression. Results: Baseline homocysteine levels were significantly higher in the SSNHL group compared with controls. No significant change in homocysteine levels was observed after treatment, although hearing thresholds improved significantly. Homocysteine levels were not significantly associated with hearing recovery. In multivariate logistic regression analysis, baseline homocysteine was independently associated with SSNHL (OR = 1.742, 95% CI: 1.351–2.245, p

Date: 2026
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0355181

DOI: 10.1371/journal.pone.0355181

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