Antimicrobial Resistance & Infection Control
Galadriel Pellejero-Sagastizabal, Elena Morte-Romea, José Antonio Girón Ortega, José Ramón Paño-Pardo, Raquel Fernández Guerrero, Francisca Guerrero, Montserrat Montes de Oca, Silvia Jiménez-Jorge, Zaira R. Palacios-Baena, Jesús Rodríguez-Baño, Pilar Retamar-Gentil, NO-BACT Team, Montserrat Montes de Oca Arjona, Fátima Galán Sánchez, María Eugenia Rodríguez Mateos, José Antonio Girón-González, Andrés Martín Aspas, Claudio Sánchez Tembleque, Francisca María Guerrero Sánchez, Pilar Luque Gómez, José Luis Sierra, Santiago Letona Gimenez, Pilar Palacián, Nora Mariela Rodriguez, Mercedes Arenere Mendoza, Maria Ángeles Allende Bandrés, Raquel Fresquet Molina, Irene Navarro Pardo, Raquel Fernández Guerero, Zaira Palacios-Baena, Marina de Cueto, Margarita Beltrán García, María Luisa Cantón Bulnes, Lorenzo Roberto Suarti
Abstract Background Managing infections in older adults is challenging due to their unique characteristics, which often drives empirical antimicrobial use, increasing risks of adverse outcomes and antimicrobial resistance (AMR). Data on antimicrobial adequacy in older patients with suspected infection but negative blood cultures (BC) remain scarce, despite this being a common clinical scenario. Methods In this multicenter prospective cohort study (NO-BACT project) across three Spanish hospitals (2018–2019), we comp …