RESUMO: Objetivou-se realizar teste piloto do ensaio clinico randomizado: avaliação da efetividade do curativo impregnado com clorexidina para cobertura de cateter venoso central. A pesquisa clinica foi desenvolvida nos centros de terapia intensiva e semi-intensiva adulto de um hospital universitário da cidade de Curitiba-PR. A coleta de dados ocorreu entre outubro e novembro de 2011. Os pacientes incluídos foram randomizados para dois grupos: curativo transparente de poliuretano (controle) e curativo antimicrobiano de clorexidina (intervenção). Foram pesquisados oito pacientes. Houve um caso de infecção da corrente sanguínea associada ao cateter e um caso de colonização do cateter, ambos no grupo controle. O curativo transparente necessita de troca antecipada em relação ao tempo estipulado devido à má fixação e ao acúmulo de exsudato sob a película, expondo o paciente a maior risco de colonização e de infecção da corrente sanguínea associada ao cateter. Palavras-Chave: Ensaio clínico; clorexidina; cateterismo venoso central; tecnologia. ABSTRACT: This randomized pilot clinical trial aimed to evaluate the effectiveness of chlorhexidine-impregnated dressings covering central venous catheters. Data was collected between October and November 2011 at the adult intensive and semiintensive care units of a university hospital in Curitiba, Paraná, Brazil. The eight patients included in the trial were randomized into two groups: transparent polyurethane film dressing (control) and chlorhexidine-impregnated dressing. There was one case of blood stream infection associated with the catheter and one of catheter colonization, both in the control group. The transparent polyurethane film needs to be changed earlier than specified, due to poor fixation and the accumulation of exudate under the film, which can expose patients to greater risk of colonization and infection of the blood stream associated with the catheter.
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