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POLYCLONAL OUTBREAK OF BLOODSTREAM INFECTIONS CAUSED BY Burkholderia cepacia COMPLEX IN HEMATOLOGY AND BONE MARROW TRANSPLANT OUTPATIENT UNITS / Surto policlonal de infecção de corrente sanguínea causada pelo complexo Burkholderia cepacia em unidades de hospital-dia de hematologia e transplante de medula óssea
Boszczowski, Icaro; Prado, Gladys Villas Boas do; Dalben, Mirian F.; Telles, Roberto C. P.; Freire, Maristela Pinheiro; Guimaraes, Thais; Oliveira, Maura S.; Rosa, Juliana F.; Soares, Robson E.; Llacer, Pedro Enrique Dorlhiac; Dulley, Frederico Luiz; Costa, Silvia F.; Levin, Anna S..
  • Boszczowski, Icaro; Universidade de Sao Paulo. Hospital das Clinicas. Infection Control Department. BR
  • Prado, Gladys Villas Boas do; Universidade de Sao Paulo. Hospital das Clinicas. Infection Control Department. BR
  • Dalben, Mirian F.; Universidade de Sao Paulo. Hospital das Clinicas. Infection Control Department. BR
  • Telles, Roberto C. P.; Universidade de Sao Paulo. Hospital das Clinicas. Infection Control Department. BR
  • Freire, Maristela Pinheiro; Universidade de Sao Paulo. Hospital das Clinicas. Infection Control Department. BR
  • Guimaraes, Thais; Universidade de Sao Paulo. Hospital das Clinicas. Infection Control Department. BR
  • Oliveira, Maura S.; Universidade de Sao Paulo. Hospital das Clinicas. Infection Control Department. BR
  • Rosa, Juliana F.; Universidade de Sao Paulo. Hospital das Clinicas. Infection Control Department. BR
  • Soares, Robson E.; Universidade de Sao Paulo. Hospital das Clinicas. Infection Control Department. BR
  • Llacer, Pedro Enrique Dorlhiac; Universidade de Sao Paulo. Hospital das Clinicas. Infection Control Department. BR
  • Dulley, Frederico Luiz; Universidade de Sao Paulo. Hospital das Clinicas. Infection Control Department. BR
  • Costa, Silvia F.; Universidade de Sao Paulo. Hospital das Clinicas. Infection Control Department. BR
  • Levin, Anna S.; Universidade de Sao Paulo. Hospital das Clinicas. Infection Control Department. BR
Rev. Inst. Med. Trop. Säo Paulo ; 56(1): 71-76, Jan-Feb/2014. tab, graf
Article in English | LILACS | ID: lil-702066
ABSTRACT

Aim:

The objective was to describe an outbreak of bloodstream infections by Burkholderia cepacia complex (Bcc) in bone marrow transplant and hematology outpatients.

Methods:

On February 15, 2008 a Bcc outbreak was suspected. 24 cases were identified. Demographic and clinical data were evaluated. Environment and healthcare workers' (HCW) hands were cultured. Species were determined and typed. Reinforcement of hand hygiene, central venous catheter (CVC) care, infusion therapy, and maintenance of laminar flow cabinet were undertaken. 16 different HCWs had cared for the CVCs. Multi-dose heparin and saline were prepared on counter common to both units.

Findings:

14 patients had B. multivorans (one patient had also B. cenopacia), six non-multivorans Bcc and one did not belong to Bcc. Clone A B. multivorans occurred in 12 patients (from Hematology); in 10 their CVC had been used on February 11/12. Environmental and HCW cultures were negative. All patients were treated with meropenem, and ceftazidime lock-therapy. Eight patients (30%) were hospitalized. No deaths occurred. After control measures (multidose vial for single patient; CVC lock with ceftazidime; cleaning of laminar flow cabinet; hand hygiene improvement; use of cabinet to store prepared medication), no new cases occurred.

Conclusions:

This polyclonal outbreak may be explained by a common source containing multiple species of Bcc, maybe the laminar flow cabinet common to both units. There may have been contamination by B. multivorans (clone A) of multi-dose vials.
RESUMO
O objetivo foi descrever um surto de infecções da corrente sanguínea por complexo B. cepacia (Bcc) nos ambulatórios de hematologia e transplante de medula óssea.

Métodos:

Em 15/02/2008, um surto de Bcc foi suspeitado. 24 casos foram identificados. Os dados demográficos e clínicos foram avaliados. Mãos de profissionais da saúde e ambiente foram cultivadas. Espécies foram determinadas e tipadas. Reforço da higiene das mãos, cuidados com cateteres, terapia de infusão e manutenção da câmara de fluxo laminar foram realizadas. 16 profissionais de saúde (PS) diferentes manipularam os cateteres. Heparina multidoses e soro eram preparadas em um balcão comum a ambas as unidades.

Resultados:

14 pacientes tiveram B. multivorans (um paciente teve também B. cenopacia), 6 Bcc não-multivorans e um teve um agente não pertencente a Bcc. Clone A de B. multivorans ocorreu em 12 pacientes (da Hematologia), em 10 o cateter havia sido utilizado nos dias 11 ou 12 de fevereiro. Culturas ambientais e de PS foram negativos. Todos os pacientes foram tratados com meropenem e selo de ceftazidima. Oito pacientes (30%) foram hospitalizados. Não ocorreram mortes. Após as medidas de controle, nenhum novo caso ocorreu.

Conclusões:

Este surto policlonal pode ser explicado por uma fonte comum contendo várias espécies de Bcc, talvez a câmara de fluxo laminar comum a ambas as unidades. Pode ter havido contaminação por B. multivorans (clone A) de frascos multi-dose.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Disease Outbreaks / Bacteremia / Burkholderia Infections / Burkholderia cepacia complex / Catheter-Related Infections Type of study: Prognostic study Limits: Adolescent / Adult / Child / Child, preschool / Female / Humans / Male Language: English Journal: Rev. Inst. Med. Trop. Säo Paulo Journal subject: Tropical Medicine Year: 2014 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade de Sao Paulo/BR

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Full text: Available Index: LILACS (Americas) Main subject: Disease Outbreaks / Bacteremia / Burkholderia Infections / Burkholderia cepacia complex / Catheter-Related Infections Type of study: Prognostic study Limits: Adolescent / Adult / Child / Child, preschool / Female / Humans / Male Language: English Journal: Rev. Inst. Med. Trop. Säo Paulo Journal subject: Tropical Medicine Year: 2014 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade de Sao Paulo/BR