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Master Thesis

Devenir à 1 an après une infection à Chikungunya des sujets hospitalisés en court séjour gériatrique

Abstract : Introduction: Martinique, located in the tropics, experienced its first outbreak of Chikungunya between December 2013 and January 2015. The elderly are a category of vulnerable population. The main objective of our study is to evaluate the one-year mortality of patients aged 75 or older, hospitalized in a geriatric short stay unit, having presented an acute infection Chikungunya virus between January 1 and 30 April 2014. The secondary objective is to study the increase of dependence in these patients one year. Methods: Our study was retrospective, observational and descriptive. Patients over 75 years, who presented infection Chikungunya virus and hospitalized in a geriatric short stay unit of University Hospital of Martinique between January 1 and April 30, 2014, were included. Patients or their caregivers were contacted again by telephone one year after their hospitalization output to determine the vital status and the level of aid set up home in living patients. Results: 45 patients met the inclusion criteria for our study. A year after infection by the Chikungunya virus, 8 patients died or 18.18%. Malnutrition was severe in 75% of patients who died with results at the limit of significance (p = 0.08). 32 patients have increased their reliance on one year of infection with the virus Chikungunya is 88.88%. Discussion: In our study, the mortality rate at one year of infection Chikungunya virus is lower than those reported in the literature after an acute episode. Severe malnutrition appears to be a factor associated with the risk of death at one year. 88.88% of patients had increased their reliance one year; this figure is much higher than the literature data on the loss of autonomy after acute episode in the elderly. The Chikungunya virus causes a major loss of function in the acute phase that could explain this result. Conclusion: The infection Chikungunya virus may have deleterious consequences in the elderly. In particular, it causes a significant loss of independence. Frail elderly population are a subclass elderly particularly vulnerable. It should detect upstream of the acute episode by using simple protocols to implement consolidation strategies fragility axes. We could limit the impact of an acute episode such as Chikungunya virus. Currently, only the vector control is effective against this infection.
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Master Thesis
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Camille Nicolon. Devenir à 1 an après une infection à Chikungunya des sujets hospitalisés en court séjour gériatrique. Médecine humaine et pathologie. 2015. ⟨dumas-01247181⟩

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