Health tips: the symptoms of diabetes include numbness and tingling in the limbs, but is numbness and pain in the limbs diabetes? This is uncertain. Diabetic neuropathy refers to the metabolic disorder characterized by hyperglycemia, which affects the nervous system. It is one of the most common chronic complications of diabetes.
Diabetic neuropathy mainly includes peripheral neuropathy, autonomic neuropathy, cranial neuropathy, myelopathy, brain disease and diabetic muscular dystrophy (muscular atrophy), among which the former two are more common. Incidence rate of diabetic neuropathy is influenced by factors such as the method of examination, the degree of detail of the record, the difference between the object of investigation and the diagnostic standard. The reports from abroad are different, the lowest is 2% (children), the highest is 90% (old age, adult). In 1980, 90% of the newly discovered diabetic patients in Shanghai were found to have neuropathy, including 85% of peripheral neuropathy and 56% of autonomic neuropathy.
The prevalence of diabetic neuropathy has the following points: ① the gender difference is not obvious, almost equal to men and women; ② the age of onset varies from 7 to 80 years old, and increases with age, with the peak in the group of 50 to 60 years old; ③ the relationship between the prevalence and the course of disease is not obvious, 20% of patients with type II diabetes; ④ there is no clear relationship between the prevalence and the severity of diabetes; ⑤ The prevalence of poor control of diabetic hyperglycemia was significantly higher.
A case of diabetic neuropathy an expert said that he had diagnosed a patient in the outpatient clinic. This person complained that his limbs were numb and tingling, and the tips of his fingers and toes were obvious. Sometimes his whole hands and feet felt this way, and there was no other discomfort. The diagnosis was unknown in many hospitals, and the treatment was ineffective. I asked the patient to check the fasting blood glucose and 2 hours postprandial blood glucose, and found that they were significantly increased. So the patient is suffering from peripheral neuropathy caused by diabetes.
Why does diabetes cause peripheral neuropathy? When suffering from diabetes, due to the rise of blood glucose, a series of metabolic disorders of nerve fibers, including energy and material metabolic disorders, lead to nerve fiber swelling and degeneration, resulting in peripheral neuropathy. Peripheral neuropathy is mainly manifested as numbness and pain at the end of extremities, such as needling, burning or ant climbing. Generally, the lower extremities are more serious than the upper extremities, and both extremities can occur at the same time or successively. It is typically distributed like gloves or socks. Sometimes it is manifested as hyperalgesia, with very slight stimulation, i.e. obvious pain, and severe wearing clothes and quilt will also feel pain. In patients with type 2 diabetes mellitus complicated with peripheral neuropathy, the symptoms of diabetes (such as drinking too much water, eating too much food, urinating too much and weight loss) are often not obvious, and the main manifestations are numbness and pain at the end of limbs, so it is easy to miss the diagnosis of diabetes.
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