• A Abella Álvarez, D Janeiro Lumbreras, B Lobo Valbuena, A Naharro Abellán, I Torrejón Pérez, V Enciso Calderón, D Varillas Delgado, I Conejo Márquez, S García Manzanedo, L López de la Oliva Calvo, M García Arias, and F Gordo Vidal.
• Servicio de Medicina Intensiva, Hospital Universitario del Henares, Madrid, España; Grupo de Investigación en Patología Crítica de la Universidad Francisco de Vitoria, Madrid, España.
• Med Intensiva. 2021 May 1; 45 (4): 205-210.

ObjectiveTo assess the diagnostic accuracy of the criteria used to detect patients carrying multiresistant microorganisms (MRMs).DesignA prospective observational study was carried out from May 2014 to May 2015.SettingPolyvalent Intensive Care Unit.PatientsA cohort of consecutively admitted patients meeting the following criteria for preventive isolation according to the "Zero Resistance" project: hospital length of stay>4 days in the last three months ("hospital"); antibiotherapy during one week in the last month ("antibiotic"); institutionalized patients or recurrent contact with healthcare ("institution or care"); MRM carrier in the last 6 months ("previous MRM").VariablesDemographic data, culture results and isolation time. A multivariate analysis was performed using multiple logistic regression between each of the risk factors and patient MRM carrier status.ResultsDuring the study period, 575 patients were admitted, of which 28% met the isolation criteria (162). Fifty-one (31%) were MRM carriers. Of the patients who did not meet the criteria, 29 (7%) were carriers. In the multivariate analysis, the only variable independently associated to carrier status was "previous MRM", with OR=12.14 (95%CI 4.24-34.77).ConclusionsThe only criterion independently associated with the ability to detect patients with MRMs upon admission to the ICU was the existence of "previous MRM".Copyright © 2019 Elsevier España, S.L.U. y SEMICYUC. All rights reserved.

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