स्नायुशास्त्र

नेपाली विकिपीडियाबाट
यसमा जानुहोस्: परिचालन, खोज्नुहोस्


Neurology is a branch of medicine dealing with disorders of the nervous system. Physicians specializing in the field of neurology are called neurologists र are trained to diagnose, treat, र manage patients with neurological disorders. Most neurologists are trained to treat र diagnose adults. Pediatric neurologists, nearly always a subspecialty of pediatrics, treat neurological disease in children. Neurologists are also involved in clinical research, clinical trials, as well as basic researchtranslational research.

Field of work[सम्पादन गर्ने]

Neurological disorders are disorders that affect the central nervous system (brain, brainstemcerebellum), the peripheral nervous system (peripheral nerves - cranial nerves included), or the autonomic nervous system (parts of which are located in both central र peripheral nervous system). Neurologists also diagnose र treat some conditions in the musculoskeletal system.

Major conditions include:

Clinical tasks[सम्पादन गर्ने]

General caseload[सम्पादन गर्ने]

Neurologists are responsible for the diagnosis, treatment, र management of all the above conditions. When surgical intervention is required, the neurologist may refer the patient to a neurosurgeon, an interventional neuroradiologist, or a neurointerventionalist. In some countries, additional legal responsibilities of a neurologist may include making a finding of brain death when it is suspected that a patient is deceased. Neurologists frequently care for people with hereditary (genetic) diseases when the major manifestations are neurological, as is frequently the case. Lumbar punctures are frequently performed by neurologists. Other neurologists may develop an interest in particular subfields, such as movement disorders, headaches, epilepsy, sleep disorders, multiple sclerosis or neuromuscular diseases.

The core neurological diseases that are the primary domain of neurologists are:

  • demyelinating diseases of the central nervous system.
  • the epilepsies
  • headache र migraine
  • movement disorders
  • polyneuropathies
  • spinal cord disorders
  • genetic diseases with a primarily neurologic manifestation

Overlapping areas[सम्पादन गर्ने]

There is some overlap with other specialties, varying from country to country र even within a local geographic area. Most stroke patients are seen only by specialists in internal medicine. Whether stroke patients should be seen primarily by neurologists is contested. Acute head trauma is most often treated by neurosurgeons, whereas sequela of head trauma may be treated by neurologists or specialists in rehabilitation medicine. Some cases of nervous system infectious diseases are treated by infectious disease specialists. Most cases of headache are diagnosed र treated primarily by general practitioners, at least the less severe cases. Similarly, most cases of sciatica र other mechanical radiculopathies are treated by general practitioners, though they may be referred to neurologists or a surgeon (neurosurgeons or orthopedic surgeons). Sleep disorders are also treated by pulmonologists. Cerebral palsy is initially treated by pediatricians, but care may be transferred to an adult neurologist after the patient reaches a certain age.

Relationship to clinical neurophysiology[सम्पादन गर्ने]

In some countries, e.g. USA र Germany, neurologists may specialize in clinical neurophysiology, the field responsible for EEG, nerve conduction studies, EMGevoked potentials. In other countries, this is an autonomous specialty (e.g. United Kingdom, Sweden).

Overlap with psychiatry[सम्पादन गर्ने]

Although many mental illnesses are believed to be neurological disorders affecting the central nervous system, traditionally they are classified separately, र treated by psychiatrists. In a 2002 review article in the American Journal of Psychiatry, Professor Joseph B. Martin, Dean of Harvard Medical School र a neurologist by training, wrote that 'the separation of the two categories is arbitrary, often influenced by beliefs rather than proven scientific observations. And the fact that the brain र mind are one makes the separation artificial anyway.' (Martin JB. The integration of neurology, psychiatry र neuroscience in the 21st century. Am J Psychiatry 2002; 159:695-704)

There are strong indications that neuro-chemical mechanisms play an important role in the development of, for instance, bipolar disorderschizophrenia. As well, 'neurological' diseases often have 'psychiatric' manifestations, such as post-stroke depression, depression र dementia associated with Parkinson's disease, mood र cognitive dysfunctions in Alzheimer's disease, to name a few. Hence, there is no sharp distinction between neurologypsychiatry on a biological basis - this distinction has mainly practical reasons र strong historical roots (such as the dominance of Freud's psychoanalytic theory in psychiatric thinking in the first three quarters of the 20th century - which has since then been largely replaced by the focus on neurosciences - aided by the tremendous advances in geneticsneuroimaging recently.)

See also[सम्पादन गर्ने]

External links[सम्पादन गर्ने]


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