Реферат: Multiple Sclerosis Essay Research Paper Multiple SclerosisDefinitionMS
Название: Multiple Sclerosis Essay Research Paper Multiple SclerosisDefinitionMS Раздел: Топики по английскому языку Тип: реферат |
Multiple Sclerosis Essay, Research Paper Multiple Sclerosis Definition *MS is characterized by the presence of areas of demyelination *T-cell predominant perivascular inflammation in the brain white matter *Some axons may be spared from these pathological processes Incidence and Prevalence *An estimated 2,500,000 people in the world have multiple sclerosis *MS is one of the most common diseases of the central nervous system in young adults *Diagnosis of MS is generally between 20 and 40 years of age, although onset may be earlier Causal Factors *Viral and autoimmune etiologies are postulated *Genetic and environmental factors are known to contribute to MS *A specific cause for this disease is not identified Signs and Symptoms *Early symptoms may include: ? numbness ? paresthesia ? mono- or paraparesis ? double vision ? optic neuritis ? ataxia ? bladder control problems *Subsequent symptoms also include: ? more prominent upper motor neuron signs ? increased spasticity ? increasing para- or quardriparesis ? Vertigo, incoordination and other cerebellar problems ? depression, emotional liability ? abnormalities in gait ? fatigue and pain Complications *fatigue is a major problem for those with MS *persons with MS generally have a low tolerance for heat *MS can cause severe mobility problems Course *MS is classified according to its clinical course into several categories: ?benign ?relapsing-remitting (the most common variant) ?progressive-relapsing ?primary progressive and secondary progressive Prognosis *life span is not significantly affected by MS *there is no drug that can cure MS, but treatments are now available which can modify the course of the disease Psychosocial Issues *depression is often a symptom of MS *because of the late onset, people with MS have to adapt to a new life *many of these people have trouble adjusting to the use of wheelchairs, braces and crutches *increased sexual dysfunction *bowel and bladder control problems *decreased mobility leaves many people with MS feeling left out and different |