Differential characteristics of bacteraemias according to age in a community hospital

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• 作者：C. Toyas^a ; ^{ctoyasm@hotmail.com} ; ^{ctoyas@salud.aragon.es} ; C. Aspiroz^b ; R.M. Martí ; nez-Á ; lvarez^a ; A.I. Ezpeleta^c ; P. Arazo^d ; J.C. Ferrando^e
• 关键词：Bacteraemia ; Disability assessment ; Elderly ; Barthel index ; Charlson index
• 刊名：Revista Clínica Española (English Edition)
• 出版年：2017
• 出版时间：January-February 2017
• 年：2017
• 卷：217
• 期：1
• 页码：15-20
• 全文大小：496 K
• 卷排序：217

文摘

To describe the characteristics of bacteraemias, according to age, in a community hospital.Material and methodA prospective study of bacteraemias was conducted in 2011. The patients were classified into 3 age groups: younger than 65 years, 65–79, and 80 or older. The study collected variables on the patients and episodes.ResultsThe study analyzed 233 bacteraemias in 227 patients (23.8% in those younger than 65 years; 38.3% in the 65–79 age group; and 37.9% in the 80 years or older group). The most common underlying disease in all the groups was diabetes mellitus. In the most elderly patients, the Charlson index was highest, there were a lower proportion of exogenous factors, and almost 25% were severely dependent (Barthel index <20). Escherichia coli was the most common germ, and the main focus was urological. The patients aged 80 years or older had predominantly healthcare-associated infections, less severe symptoms (sepsis) (66.3%) and higher mortality (29.1%) compared with the younger patients.ConclusionsThe very elderly patients with bacteraemia presented fewer exogenous factors, greater comorbidity and a poorer functional situation. The most common focus was urological and the origin was healthcare related. Despite their less severe clinical presentation, these patients’ mortality was greater, and their degree of dependence was a highly relevant independent risk factor.