Frequency of colonization and isolated bacteria from the tip of epidural catheter implanted for postoperative analgesia

Débora Miranda Diogo Stabille; Augusto Diogo Filho; Beatriz Lemos da Silva Mandim; Lúcio Borges de Araújo; Priscila Miranda Diogo Mesquita; Miguel Tanús Jorge

doi:10.1016/j.bjane.2014.05.015

Scientific Article

Frequency of colonization and isolated bacteria from the tip of epidural catheter implanted for postoperative analgesia

Frequência de colonização e bactérias isoladas de ponta de cateter de peridural implantado para analgesia pós-operatória

Débora Miranda Diogo Stabille; Augusto Diogo Filho; Beatriz Lemos da Silva Mandim; Lúcio Borges de Araújo; Priscila Miranda Diogo Mesquita; Miguel Tanús Jorge

http://dx.doi.org/10.1016/j.bjane.2014.05.015 Braz J Anesthesiol, vol.65, n3, p.200-206, 2015

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Abstract

BACKGROUND AND OBJECTIVE: The increased use of epidural analgesia with catheter leads to the need to demonstrate the safety of this method and know the incidence of catheter colonization, inserted postoperatively for epidural analgesia, and the bacteria responsible for this colonization. METHODS: From November 2011 to April 2012, patients electively operated and maintained under epidural catheter for postoperative analgesia were evaluated. The catheter tip was collected for semiquantitative and qualitative microbiological analysis. RESULTS: Of 68 cultured catheters, six tips (8.8%) had positive cultures. No patient had superficial or deep infection. The mean duration of catheter use was 43.45 h (18-118) (p = 0.0894). The type of surgery (contaminated or uncontaminated), physical status of patients, and surgical time showed no relation with the colonization of catheters. Microorganisms isolated from the catheter tip were Staphylococcus aureus, Pseudomonas aeruginosa and Sphingomonas paucimobilis. CONCLUSION: Postoperative epidural catheter analgesia, under these study conditions, was found to be low risk for bacterial colonization in patients at surgical wards.

Keywords

Epidural anesthesia, Infection, Bacteria

Resumo

OBJETIVOS: O aumento do uso de analgesia pela via peridural com uso de cateteres leva à necessidade de se demonstrar a segurança do método. O presente estudo teve como objetivo conhecer a incidência de colonização de cateteres inseridos para analgesia peridural no pós-operatório e as bactérias responsáveis por estas colonizações. MÉTODOS: No período de novembro de 2011 a abril de 2012 foram avaliados pacientes operados eletivamente mantidos sob analgesia por cateter peridural no pós-operatório. A ponta do cateter foi coletada para análise microbiológica semi-quantitativa e qualitativa. RESULTADOS: Seis (8,8%) pontas dos 68 cateteres cultivados apresentaram culturas positivas. Nenhum paciente apresentou infecção superficial ou profunda. O tempo médio de permanência do cateter foi de 43,45 horas (18-118 horas) (p = 0,0894). O tipo de cirurgia (contaminada ou não contaminada), estado físico dos pacientes e tempo cirúrgico não mostraram relação com a colonização dos cateteres. Os micro-organismos isolados da ponta de cateter foram Staphylococcus aureus, Pseudomonas aeruginosa e Sphingomonas paucimobilis. CONCLUSÃO: Conclui-se que, a analgesia por cateter peridural no pós-operatório, nas condições do presente estudo, revelou-se procedimento com baixo risco de colonização bacteriana em pacientes de enfermarias cirúrgicas.

Palavras-chave

Anestesia epidural, Infecção, Bactérias

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Frequency of colonization and isolated bacteria from the tip of epidural catheter implanted for postoperative analgesia

Frequência de colonização e bactérias isoladas de ponta de cateter de peridural implantado para analgesia pós-operatória

Débora Miranda Diogo Stabille; Augusto Diogo Filho; Beatriz Lemos da Silva Mandim; Lúcio Borges de Araújo; Priscila Miranda Diogo Mesquita; Miguel Tanús Jorge

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