Numbness of the fingers occurs with neurological pathologies, angiotrophoneurosis. Rarely provoked by injuries, neurotic disorders, beriberi, some somatic diseases. In healthy people, it is caused by an uncomfortable position of the limb. May be associated with pain, paresthesia. The cause of the symptom is established according to the data of the survey, physical examination, neurological examination, the results of electrophysiological, imaging and laboratory techniques. Treatment may include NSAIDs, vitamins, antiplatelet agents, calcium antagonists.
In a healthy person, numbness of the fingers occurs due to a long stay in an uncomfortable position, it is caused by compression of blood vessels, disorders of local blood circulation. The symptom appears at the moment of awakening from sleep with a hand placed under the pillow or under the head. It can be noted when resting on the back with arms thrown over the head. It is combined with tingling, a feeling of "disobedience" of the hand. It goes away on its own within 5-1 minutes.
Another cause of finger numbness is prolonged exposure to the cold. Decreased sensitivity due to vasospasm, may be accompanied by aching pains. It is considered a sign indicating the possibility of developing frostbite in the absence of warming measures.
Numbness is one of the first symptoms of neuropathy. At the initial stages, it appears periodically, complemented by a sensation of tingling, "crawling crawling". Subsequently, hypesthesia becomes permanent, pain, muscle weakness, changes in the skin and soft tissues join. The area of numbness is determined by the affected nerve:
Multiple neuropathies occur in some rheumatic and oncological diseases, severe diseases of the kidneys and liver. They can be provoked by severe infectious processes, occupational hazards, exogenous intoxications. There is symmetrical involvement of the limbs. Numbness is caused by:
Numbness of fingers
Diabetic neuropathy is a special case of polyneuropathy. It can be diagnosed in patients with any form of diabetes mellitus. The likelihood of developing neuropathy depends on the duration and severity of the underlying disease. Pathology is manifested by numbness, burning, tingling, pain, short-term convulsions, distorted perception of temperature and tactile stimuli, muscle weakness. The hands suffer less than the feet.
Numbness of the fingers is included in the clinical picture, but, as a rule, is not a leading symptom in the following diseases:
Permanent numbness of the fingers can be the result of damage to the spinal cord and brain in spinal cord injury, TBI, or hemorrhage. Other possible provoking factors are malignant and benign brain tumors, neurorheumatism. Short-term hypoesthesia occurs in the pre-syncope period in patients with neurocardiogenic syncope.
Paroxysmal ischemia of the hands in typical cases is most pronounced in the region of the 2nd and 4th fingers. First, there is numbness, coldness and blanching of the fingers, then - bursting, burning, aching pain. The attack ends with a feeling of heat, a sharp reddening of the fingers. Raynaud's syndrome is detected in the following cases:
Short-term numbness of the hand is possible with any injury, accompanied by significant swelling of the limb, develops against the background of vascular compression. Loss of sensation, combined with intense pain that is not eliminated by non-narcotic analgesics, indicates the development of a formidable complication - myofascial compartment syndrome, which requires urgent medical care to preserve the viability of the limb.
A special case of compression due to trauma is the increase in edema in the first days after fixing the arm in a plaster cast. The fingers become numb, turn blue, and become sausage-shaped due to swelling. The patient complains about the strong pressure of the plaster. The symptom disappears after loosening the bandage, which should be carried out in a trauma room.
In wounds with a violation of the integrity of the nerve trunks, numbness of the fingers develops immediately after injury, combined with movement disorders. The zone of loss of sensitivity corresponds to the area of hypesthesia in case of neuropathy of the corresponding nerve.
Among the diseases and pathological conditions, accompanied by numbness of the fingers, include:
Determination of the cause of numbness of the fingers is carried out by neurologists. The initial stage of the examination includes a survey, general and neurological examination. The specialist evaluates the appearance of the hand, determines the pulsation of the arteries, examines reflexes, asks the patient to perform various movements to identify movement disorders. As part of the further examination, the following are appointed:
Patients with non-traumatic numbness of the fingers are advised to limit the load on the hands, take regular breaks when performing minor operations or working at the computer. With hypoesthesia caused by occupational hazards, a change in specialty may be required. Victims with injuries of the upper limbs after immobilization with plaster are recommended to maintain an elevated position of the hand. With an increase in edema, you should immediately contact a traumatologist.
Drug treatment is carried out using drugs of the following groups:
With the ineffectiveness of the treatment of certain pathologies, drug blockades are indicated. Drug therapy is supplemented with phonophoresis, drug electrophoresis, electromyostimulation. At the recovery stage, massage, manual therapy, physiotherapy exercises are used.
The tactics of surgical intervention for numbness against the background of injuries and diseases of the peripheral nerves is determined by the nature of the process:
The list of surgical techniques for lesions of the brain and spinal structures is very extensive. Open or minimally invasive removal of a herniated disc, stabilizing operations for spinal cord injuries, removal of hematomas and tumors, interventions on blood vessels are possible.