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[Deafness due to renal failure. Clinicopathological study (author's transl)]
Summary
Chronic renal failure is linked to hearing loss, particularly age-related hearing loss (presbycusis). This hearing impairment may stem from premature aging caused by kidney disease and nerve conduction changes.
Area of Science:
- Nephrology
- Otolaryngology
- Pathology
Background:
- Chronic renal failure (CRF) affects multiple organ systems.
- Hearing impairment is a potential complication of CRF.
- The audiological profile in CRF patients requires further investigation.
Observation:
- A study of 54 CRF patients revealed that 75% exhibited presbycusis-type hearing loss.
- Hypoacusis correlated with disease duration and nerve conduction velocity, especially in isolated renal disease.
- Histopathological analysis of petrous temporal bones showed demyelination of cochlear and vestibular nerve fibers.
Findings:
- The primary audiological finding in CRF patients is presbycusis-type hearing loss.
- Nerve conduction velocity and disease duration are key factors associated with hearing loss in CRF.
- Demyelination of cochlear and vestibular fibers, along with spiral ganglion cell loss, contributes to hearing impairment.
Implications:
- CRF may accelerate the aging process, leading to premature hearing loss.
- Audiological monitoring is crucial for patients with chronic kidney disease.
- Understanding the pathophysiology of hearing loss in CRF can inform targeted interventions.