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Pathologic erythrocyte deformability in patients with sudden sensorineural hearing loss
Francisco Javier García-Callejo1, Jaime Marco-Algarra, Ignacio Pla-Gil
1Servicio de ORL, Hospital Clínico Universitario de Valencia, Valencia, Spain. jgarciacall@hotmail.com
Acta Otorrinolaringologica Espanola
|April 3, 2012
Summary
Blood viscosity, measured by whole blood filterability (WBF) and erythrocyte rigidity index (ERI), impacts sudden hearing loss risk and recovery. Improved WBF and ERI correlate with better hearing outcomes after treatment.
Area of Science:
- Otorhinolaryngology
- Hematology
- Biophysics
Background:
- Sudden sensorineural hearing loss (SSNHL) is a complex condition with multifactorial causes.
- Understanding the role of hemorheological factors in SSNHL is crucial for effective treatment strategies.
Purpose of the Study:
- To investigate the association between blood viscoelastic properties and the incidence and recovery of SSNHL.
- To evaluate the impact of corticoid and piracetam therapy on blood rheology in SSNHL patients.
Main Methods:
- A prospective longitudinal study of 85 ears with SSNHL.
- Assessed hearing loss, recovery ratio, whole blood filterability (WBF), and erythrocyte rigidity index (ERI) before and after treatment.
- Correlated rheological parameters with clinical outcomes and patient comorbidities.
Main Results:
- Patients with significant hearing recovery (>75%) showed improved WBF and decreased ERI (P<.001).
- Ears without tinnitus or vestibular symptoms demonstrated better hearing recovery and rheological improvements.
- Hypertension and hyperuricemia were associated with better hearing recovery ratios.
Conclusions:
- Blood viscosity parameters, specifically WBF and ERI, are valuable indicators for predicting SSNHL risk.
- These rheological markers also provide insight into the potential for hearing recovery with therapeutic interventions.
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