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Características de la neumonía adquirida en la comunidad por neumococo y micoplasma / Characteristics of community-acquired pneumonia due to neumococcus and mycoplasma
González, Alejandra; Baudagna, Graciela; Cremaschi, María; Serrano, Roberto; Cabral, Graciela; Monteverde, Alfredo.
  • González, Alejandra; Hospital Posadas. Servicio de Neumonología. Buenos Aires. AR
  • Baudagna, Graciela; Hospital Posadas. Servicio de Clínica Médica. Buenos Aires. AR
  • Cremaschi, María; Hospital Posadas. Servicio de Clínica Médica. Buenos Aires. AR
  • Serrano, Roberto; Hospital Posadas. Servicio de Neumonología. Buenos Aires. AR
  • Cabral, Graciela; Hospital Posadas. Laboratorio. Buenos Aires. AR
  • Monteverde, Alfredo; Hospital Posadas. Servicio de Neumonología. Buenos Aires. AR
Rev. am. med. respir ; 10(4): 154-159, dic. 2010. tab
Article in Spanish | LILACS | ID: lil-644265
RESUMEN
Se estudiaron en forma prospectiva pacientes con diagnóstico de neumonía adquirida en la comunidad (NAC) con criterios de internación con el objetivo de determinar las características clínicas, radiológicas, bioquímicas y evolutivas en pacientes con diagnóstico microbiológico definitivo y evaluar si existen diferencias entre las neumonías causadas por neumococo y micoplasma. Se incluyeron durante un periodo de observación de 24 meses, 49 neumonías producidas por Streptococcus pneumoniae con aislamiento en hemocultivo y 22 por Mycoplasma pneumoniae diagnosticados por PCR de hisopado nasofaríngeo (HNF). Se evaluaron la edad, comorbilidades, cuadro clínico, variables de laboratorio y radiológicas, evolución clínica y criterios de severidad. Nuestro grupo tenía un promedio de edad de 57años, con un elevado porcentaje de comorbilidades y de valores de Pneumonia Severity Index (PSI). Se observó una tendencia no significativa en los casos con micoplasma a ser más añosos, con mayor porcentaje de comorbilidades; y en los casos de etiología por neumococo, mayor porcentaje de hipotensión, hipoalbuminemia severa, compromiso de más de un lóbulo, alteraciones hepáticas y requerimiento de UTI; la única diferencia significativa fue el desarrollo de compromiso renal para neumococo.En la población estudiada no existieron variables que permitieran predecir el agente etiológico.
ABSTRACT
Patients with community-acquired pneumonia (CAP) meeting the criteria for hospitalization and with a definitive etiological diagnosis were prospectively studied. The objective was to determine their clinical, radiological, biochemical and evolutionary characteristics and to assess whether there are differences between pneumonia caused by pneumococcus and mycoplasma. During an observation period of 24 months, 49 CAP cases caused by Streptococcus pneumoniae isolated from blood cultures and 22 CAP cases caused by Mycoplasma pneumoniae diagnosed by PCR testing of oropharyngeal swabs were included. The age of patients, presence of comorbidities, clinical picture, laboratory and radiological variables, clinical evolution and degree of severity were evaluated. The mean age of the group was 57 years old with a high percentage of comorbidities and a high Pneumonia Severity Index. Patients with Mycoplasma showed a non significant tendency of being older and having a greater number of comorbidities. In the cases with Streptococcus pneumoniae, a greater percentage of hypotension, severe hypoalbuminemia, compromise of more than one lobe, liver abnormalities and hospitalization in the ICU were observed. The only significant difference was the development of renal failure in patients with Pneumococcus. In the studied population there were no variables which could have a predictive value of the causative agent.
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Full text: Available Index: LILACS (Americas) Main subject: Pneumonia / Community-Acquired Infections Type of study: Prognostic study Limits: Humans Country/Region as subject: South America / Argentina Language: Spanish Journal: Rev. am. med. respir Journal subject: Medicine / Pulmonary Disease (Specialty) Year: 2010 Type: Article Affiliation country: Argentina Institution/Affiliation country: Hospital Posadas/AR

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Full text: Available Index: LILACS (Americas) Main subject: Pneumonia / Community-Acquired Infections Type of study: Prognostic study Limits: Humans Country/Region as subject: South America / Argentina Language: Spanish Journal: Rev. am. med. respir Journal subject: Medicine / Pulmonary Disease (Specialty) Year: 2010 Type: Article Affiliation country: Argentina Institution/Affiliation country: Hospital Posadas/AR