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Bacteremias em pacientes internados em hospital universitário / Bacteremias at a teaching hospital: etiology, antimicrobial susceptibiliy pattern and risk factors for mortality
Guilarde, Adriana Oliveira; Turchi, Marília Dalva; Martelli, Celina Maria Turchi; Primo, Mariusa Gomes Borges; Batista, Lindon Johnson de Abreu.
  • Guilarde, Adriana Oliveira; s.af
  • Turchi, Marília Dalva; s.af
  • Martelli, Celina Maria Turchi; s.af
  • Primo, Mariusa Gomes Borges; s.af
  • Batista, Lindon Johnson de Abreu; s.af
Rev. Assoc. Med. Bras. (1992) ; 53(1): 34-38, jan.-fev. 2007. tab
Article in Portuguese | LILACS | ID: lil-446864
RESUMO

OBJETIVO:

Avaliar a incidência de bacteremias, seu perfil de suscetibilidade antimicrobiana, e fatores associados ao óbito, em hospital universitário, no período de 1° de janeiro de 2000 a 31 de dezembro de 2001.

MÉTODOS:

Coorte retrospectiva. Pacientes maiores de 1 ano de idade, com bacteremia laboratorialmente confirmada e clinicamente significativa foram incluídos no estudo. Realizada análise de sobrevida multivariada, seguindo o modelo de riscos proporcionais de Cox.

RESULTADOS:

Foram detectados 295 episódios de bacteremia. O patógeno mais freqüente foi o Staphylococcus aureus 118 (40 por cento), com 55,9 por cento de MRSA. A letalidade pela bacteremia foi de 34,5 por cento. Os fatores de risco independentes para o óbito foram terapia inicial inadequada (HR ajustado 2,05 IC 95 por cento 1,25-3,36) e gravidade da apresentação clínica (HR ajustado 5,52 IC 95 por cento 3,15-9,69).

CONCLUSÃO:

Nosso estudo mostrou elevada letalidade associada a bacteremia, com alta freqüência de MRSA. A terapia inicial inadequada e a gravidade da apresentação clínica foram fatores de risco independentes para o óbito pela bacteremia.
ABSTRACT

OBJECTIVE:

To evaluate the frequency and profile of bacteremia, its antimicrobial susceptibility and to analyze predictors of mortality in bloodstream infections (BSI) at this Teaching Hospital from January 1, 2000 to December 31, 2001.

METHODS:

Design:

retrospective cohort. Patients over one year old with clinically significant episodes of BSI which were microbiologically documented were included in the study. The Cox proportional hazards risk model was applied to identify prognostic factors related to death by bacteremia.

RESULTS:

A total of 295 episodes of BSI were detected. The most common pathogen was S. aureus 118 (40.0 percent), with 55.9 percent of MRSA. Mortality associated with bacteremia was 34.5 percent. Independent predictors of mortality were inadequate initial therapy (HR adjusted 2.05 IC95 percent 1.25-3.36) and severity of the clinical manifestations (HR adjusted 5.52 IC95 percent 3.15-9.69).

CONCLUSION:

This study disclosed high mortality rates due to BSI and a high frequency of MRSA. Inadequate initial therapy and severity of clinical manifestations were significantly and independently associated with mortality.
Subject(s)
Full text: Available Index: LILACS (Americas) Main subject: Cross Infection / Bacteremia Type of study: Etiology study / Prognostic study / Risk factors Limits: Adolescent / Adult / Aged / Child / Child, preschool / Female / Humans / Infant / Male Country/Region as subject: South America / Brazil Language: Portuguese Journal: Rev. Assoc. Med. Bras. (1992) Year: 2007 Type: Article

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Full text: Available Index: LILACS (Americas) Main subject: Cross Infection / Bacteremia Type of study: Etiology study / Prognostic study / Risk factors Limits: Adolescent / Adult / Aged / Child / Child, preschool / Female / Humans / Infant / Male Country/Region as subject: South America / Brazil Language: Portuguese Journal: Rev. Assoc. Med. Bras. (1992) Year: 2007 Type: Article