Diabetes mellitus and hearing loss

Area of Science:

• Otolaryngology
• Endocrinology
• Pathology

Background:

• Diabetes mellitus (DM) is a growing global health concern.
• Hearing loss is a common, often undetected, chronic complication of DM.
• The exact mechanisms and effective treatments for diabetes-related hearing loss (DRHL) are not fully understood.

Purpose of the Study:

• To review the current understanding of the relationship between DM and hearing loss.
• To summarize the clinical audiological characteristics, risk factors, and pathology of DRHL.
• To explore potential interventions for DRHL.

Main Methods:

• Literature review of pathological and clinical studies on DM and hearing loss.
• Analysis of research on inner ear damage in diabetic animal models and human patients.
• Synthesis of findings regarding the correlation between DM duration/severity and DRHL.

Main Results:

• DM impacts various inner ear structures, including blood vessels, spiral ganglion neurons, and the organ of Corti.
• Clinical studies indicate a strong link between DM duration/severity and the incidence/severity of DRHL.
• Advances in research are clarifying the pathological mechanisms underlying DRHL.

Conclusions:

• DRHL is a significant complication of diabetes mellitus with complex underlying pathology.
• Understanding the pathogenesis of DRHL is crucial for developing effective clinical interventions.
• Further research is needed to establish targeted treatments for preventing or reversing DRHL.