Many diabetics lose their hearing unconsciously, and some patients are suddenly deaf. In recent years, a large number of studies show that diabetic neuropathy is as high as 60%~90%, mainly involving the peripheral nervous system and autonomic nervous system, but also involving the central nervous system. Data show that when the peripheral neuropathy caused by diabetes affects the eighth cranial nerve, hearing loss may even directly lead to neurological deafness.
Hyperglycemia is different from hyperlipidemia. Hyperlipidemia mainly affects thick blood vessels, but hyperglycemia will make microvessels fragile, which will lead to the death of nearby nerve cells. Diabetic patients can be complicated with vascular diseases in the early stage, especially the small blood vessels that nourish nerves (including arterioles, capillaries and intimal epithelium hypertrophy and lipid deposition), which leads to the stenosis or occlusion of the lumens of these small blood vessels, thus causing ischemic changes of nerves, damaging nerves, and then presenting neurological dysfunction. This kind of lesion occurs in the cochlea, leading to nervous deafness, mostly bilateral symmetry. When the lesion appears in the vestibule and other parts, it will inevitably cause tinnitus, deafness and dizziness. Foreign scholars call this ear symptom of diabetic patients "metabolic ear disease".
At present, there is no effective treatment for this metabolic otopathy. If we miss the opportunity of treatment, once deafness occurs, it is irreversible and there is no way to treat it at present. It is often aggravated gradually and difficult to treat, so measures should be taken as soon as possible to protect hearing. Therefore, strictly control blood sugar and blood lipid; Avoid using ototoxic drugs, such as aminoglycoside antibiotics (streptomycin, gentamicin, etc. ); Stay away from noisy environment and try to avoid wearing earplugs to listen to music; Check your hearing regularly. If metabolic otopathy is found early, some hearing can be preserved through hyperbaric oxygen therapy and acupuncture treatment. Wear hearing AIDS as early as possible to prevent hearing loss.
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