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1.
An Med Interna ; 16(7): 345-8, 1999 Jul.
Article in Spanish | MEDLINE | ID: mdl-10481333

ABSTRACT

OBJECTIVE: To assess the risk factors associated with the development of bacteremic community-acquired pneumonia in the elderly (BCPE) and its clinical and prognostic aspects. METHODS: We studied 36 BCPE and 72 patients with community-acquired pneumonia and negative blood cultures as control group. RESULTS: The presence of the following risk factors was more common in cases than in control subjects: alcoholism, malnutrition, diabetes and chronic renal insufficiency. The multivariate analysis demonstrated that the malnutrition (OR:3.3; CI95%:1.4-7.8) and diabetes (OR:2.5; CI95%:1.1-6.7) were independent risk factors significantly related to the development of BCPE. The presence of chills, tachycardia, tachypnea, decreased level of consciousness and hypotension blood pressure were more common in case subjects. The microbial agents implicated more frequently were S. pneumoniae and gram-negative bacilli. The bilateral involvement and two or more affected lobes on chest radiograph were more common in the cases of BCPE. The mortality rate was higher in case subjects (22.2% vs. 2.8%; p = 0.001). CONCLUSIONS: We stress the relevance of the bacteremia as prognostic factor in the community-acquired pneumonia in the elderly.


Subject(s)
Bacteremia/epidemiology , Pneumonia, Bacterial/epidemiology , Aged , Aged, 80 and over , Bacteremia/diagnosis , Case-Control Studies , Community-Acquired Infections/diagnosis , Community-Acquired Infections/epidemiology , Disease Susceptibility , Female , Humans , Male , Multivariate Analysis , Pneumonia, Bacterial/diagnosis , Prognosis , Risk Factors , Spain/epidemiology
2.
An. med. interna (Madr., 1983) ; 16(7): 345-348, jul. 1999. tab
Article in Es | IBECS | ID: ibc-68

ABSTRACT

Objetivos: Para analizar los aspectos clínicos y pronósticos y los factores asociados al desarrollo de la neumonía bacteriémica de origen comunitario en el anciano (NBA). Métodos: Estudiamos 36 casos de NBA diagnosticados en nuestro centro en un periodo de 2 años. Se incluyó 2 pacientes, por cada caso de NBA, con neumonía adquirida en la comunidad con hemocultivo repetidamente negativo. Resultados: Los factores asociados al desarrollo de bacteriemia fueron etilismo crónico, malnutrición, diabetes mellitus e insuficiencia renal crónica. Tras análisis multivariante sólo la malnutrición (OR: 3,3; IC95%: 1,4-7,8) y la diabetes mellitus (OR: 2,5; IC95%: 1,1-6,7) se mostraron como factores de riesgo independientes. Los pacientes con NBA presentaron mayor proporción de escalofríos, taquicardia, taquipnea, disminución del nivel de conciencia e hipotensión arterial. Los gérmenes más frecuentemente aislados fueron S. pneumoniae y bacilos gram negativos. La NBA se asoció con afectación radiográfica de 2 o más lóbulos pulmonares, y a la presencia de infiltrados bilaterales. La mortalidad fue mayor en los casos de NBA (22,2% vs. 2,8%; p<0,001). Conclusiones: Se destaca la importancia de la bacteriemia como factor pronóstico en la neumonía de la comunidad del anciano (AU)


Subject(s)
Aged , Female , Male , Aged, 80 and over , Humans , Case-Control Studies , Community-Acquired Infections/diagnosis , Community-Acquired Infections/epidemiology , Disease Susceptibility , Multivariate Analysis , Pneumonia, Bacterial/diagnosis , Homeopathic Clinical-Dynamic Prognosis , Prognosis , Risk Factors , Spain/epidemiology , Bacteremia/diagnosis , Pneumonia, Bacterial/epidemiology , Bacteremia/epidemiology
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