The causes of old hand numbness include lacunar cerebral infarction, diabetic peripheral neuropathy, neurogenic cervical spondylosis and so on.
1. Cavernous cerebral infarction: this disease is mostly seen in long-term hypertension, diabetes mellitus on the basis of deep penetrating small arteries occurring vitreous degeneration or atherosclerosis, vascular stenosis and occlusion, cerebral tissue ischemia and hypoxia necrosis, which will appear in the old hand numbness performance. It can be diagnosed by cranial CT or MRI.
2. Diabetic peripheral neuropathy: If the patient’s blood glucose is obviously increased in the past, and the control is not good, it can cause peripheral neuropathy, which is asymmetric sensory impairment of bilateral limbs, and it can be manifested as the symptom of numbness of the hands in the old days. It can be diagnosed by combining with blood glucose examination and nerve electrophysiology examination.
3. Neurogenic cervical spondylosis: mainly due to the cervical nerve root compression by the protruding intervertebral discs and sensory disorders, which can be manifested as numbness of the hands, should be combined with the cervical spine MRI and other tests for diagnosis.
It is recommended that patients whose hands are always numb should consult a doctor in time to clarify the cause and then carry out targeted treatment.