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Estudio clinico y epidemiologico de pacientes adultos con hemocultivo positivO / Clinical and epidemiological study of adult patients with positive blood cultures
Beltran, Marcelo A; Rodriguez, Enrique; Sorvik, Dagmar; Gil, Ruben; Guerrera, Josefina; Bertolini, Pamela; Caltabiano, Marcela.
  • Beltran, Marcelo A; Hospial Municipal de San Isidro. Buenos Aires. AR
  • Rodriguez, Enrique; Hospial Municipal de San Isidro. Buenos Aires. AR
  • Sorvik, Dagmar; Hospial Municipal de San Isidro. Buenos Aires. AR
  • Gil, Ruben; Hospial Municipal de San Isidro. Buenos Aires. AR
  • Guerrera, Josefina; Hospial Municipal de San Isidro. Buenos Aires. AR
  • Bertolini, Pamela; Hospial Municipal de San Isidro. Buenos Aires. AR
  • Caltabiano, Marcela; Hospial Municipal de San Isidro. Buenos Aires. AR
Medicina (B.Aires) ; 62(1): 19-13, 2002. tab
Article in Spanish | LILACS | ID: lil-314491
RESUMO
A cohort evaluation of the microbiology, epidemiology and outcome of adult patients with positive blood cultures was performed on 336 patients, from July 1997 to March 2000. Data for mortality were obtained from 328 of these patients. The six most common pathogens were Staphylococcus aureus 81 (23.5 percent), coagulase negative staphylococci 50 (14.5 percent), Escherichia coli 48 (14.0 percent), Streptococcus pneumoniae 30 (8.7 percent), enterococci 19 (5.5 percent) and Pseudomonas aeruginosa 19 (5.5 percent). In 169 episodes infections were hospital-acquired and community-acquired in the remaining 159. Main infection foci included the respiratory and urinary tracts. Infection associated mortality was 33.2 percent; 29.6 percent of patients received inappropriate empiric antibiotic treatment. Univariate analysis showed that an age of 70 or more years, a systemic inflammatory response syndrome (SIRS) score higher than 2, a polimicrobial episode, certain foci (abdominal, respiratory or unknown), and an inappropriate empiric antibiotic treatment influenced outcome. By multivariate analysis the variables that influenced death by infectious cause were age of 70 or more years, a SIRS score higher than 2, certain foci (abdominal, respiratory or unknown), and an inappropriate empiric antibiotic treatment. SIRS score was useful to predict the positivity of the blood culture. No relation between outcome and presence of underlying disease, isolation of Gram negative microorganism and nosocomial vs. community acquired episode was observed (univariate analysis). In order to improve outcome in bacteremic patients, after performing cultures of blood and other relevant clinical foci, prompt and appropriate antibiotic treatment remains critical. Microbiologic, clinical and epidemiological information results crucial for the management of this critically ill population. AD - Hospital Municipal de San Isidro, Provincia de Buenos Aires, Capitan Juan de San Martin 1531, 1609 Boulogne, Pcia. Buenos Aires.
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Index: LILACS (Americas) Main subject: Gram-Positive Bacterial Infections / Gram-Negative Bacterial Infections Type of study: Etiology study / Incidence study / Observational study / Prognostic study / Risk factors Limits: Adult / Female / Humans / Male Country/Region as subject: South America / Argentina Language: Spanish Journal: Medicina (B.Aires) Journal subject: Medicine Year: 2002 Type: Article Affiliation country: Argentina Institution/Affiliation country: Hospial Municipal de San Isidro/AR

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Index: LILACS (Americas) Main subject: Gram-Positive Bacterial Infections / Gram-Negative Bacterial Infections Type of study: Etiology study / Incidence study / Observational study / Prognostic study / Risk factors Limits: Adult / Female / Humans / Male Country/Region as subject: South America / Argentina Language: Spanish Journal: Medicina (B.Aires) Journal subject: Medicine Year: 2002 Type: Article Affiliation country: Argentina Institution/Affiliation country: Hospial Municipal de San Isidro/AR