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| Geriatric trauma ： ウィキペディア英語版 |
Geriatric trauma
Geriatric trauma refers to a traumatic injury that occurs to an elderly person. The three prevailing causes of traumatic death in the elderly are falls (which account for 40% of traumatic death in this age group), traffic collisions and burns.〔
==Biomechanics of injury==
A progressive decline in central nervous system function leads to a loss of proprioception, balance and overall motor coordination, as well as a reduction in eye–hand coordination, reaction time and an unsteady gait.〔 These degenerative changes are often accompanied by osteoarthritis (degenerative joint disease), which leads to a reduction in the range of motion of the head, neck and extremities. Furthermore, elderly people frequently take multiple medications for control of various diseases and conditions. The side effects of some of these medications may either predispose to injury, or may cause a minor trauma to result in a much more severe condition. For example, a person taking warfarin (Coumadin) and/or clopidogrel (Plavix) may experience a life-threatening intracranial hemorrhage after sustaining a relatively minor closed head injury, as a result of the defect in the hemostatic mechanism caused by such medications. The combined effects of these changes greatly predisposes elderly people to traumatic injury. Both the incidence of falls and the severity of associated complications increase with advancing age.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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