• Gonzalo de-Las-Casas-Cámara, Carolina Giráldez-García, Maria Isabel Adillo-Montero, María Carmen Muñoz-Egea, and María Dolores Martín-Ríos.
• Servicio de Medicina Preventiva, Hospital Universitario Rey Juan Carlos, Móstoles, Madrid, España; Facultad de Ciencias de la Salud, Universidad Francisco de Vitoria, UFV, Pozuelo de Alarcón, Madrid, España. Electronic address: lalocascam@yahoo.es.
• Med Clin (Barc). 2019 Apr 5; 152 (7): 261-263.

Introduction And ObjectiveContamination of sinks, even due to their underuse, is associated with the transmission of non-fermenting gram-negative bacilli (NFGNB) to patients in Augmented Care Units. After previous monitoring with environmental and patient samples, we now explore the impact of removing sinks from ICU cubicles on incidental isolations related to health care in bronchoaspirate samples of patients with invasive mechanical ventilation (IMV).Material And MethodsQuasi-experimental study, before-and-after, pre-intervention annuities April 2014-2016 and post-intervention April 2016-2017. Incidence densities per 1,000 days of IMV were studied, comparing by the exact method based on the binomial distribution and estimating the incidence density ratio.ResultsThe incidence densities per 1,000 days of IMV of isolations by NFGNB in bronchoaspirate samples of the pre and post-intervention periods were 11.28 and 1.9, respectively. This implies a post-intervention incidence density 5.90 times lower than before (95% CI: 1.49-51.05, P=.003).ConclusionsDespite of the limitations of the design, the removal of sinks showed a reduction of the isolations.Copyright © 2018 Elsevier España, S.L.U. All rights reserved.

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