The elderly (over 60 years old) with ECM about the same period as a whole the number of asylum ECM: 1% 1 2.5%. As aging and the elderly in the physical and biological changes in cellular immune dysfunction, humoral immunity weakened, the original antibody levels decline, particularly the blood-brain barrier function diminishes, - Dan meningococcus invading, we will be able Changquzhiru , has the following characteristics.
(1) rapid onset. Main v. headache fever, onset within 6-24 hours over 60% of the patients unconscious, lying unconscious. Most of the lack of upper respiratory symptoms.
(2) severe illness. ECM fulminant older accounted for 85%, with the majority of meningitis type or mixed type (a coma and shock), both blood pressure drop, convulsion can be more than one day in the incidence of death.
(3) strong and unconscious a long time. Children and young people in general ECM meningeal irritation sign of the strong for the duration l days, but the elderly ECM-time average of 11 days to about ECM from a coma to children less than 10%, and average about one day can be clearly, the elderly and lobeline-general to 2.5 days.
(4) more complications. ECM young people who have complications is less than 1% but almost half of elderly ECM complications. Principal pneumonia, pulmonary edema, pulmonary infarction, urinary tract infection, viral myocarditis, septic arthritis, otitis media, hearing loss, aphasia, bacillary dysentery, acute renal failure, such as facial paralysis and paraplegia.
(5) a high mortality rate. Up to 20% to 30%, and non-elderly patients with more ECM very significant difference.
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