RT Journal Article T1 Impact of the MIC of piperacillin-tazobactam on the outcome of patients with bacteremia due to extended-spectrum-β-lactamase-producing Escherichia coli. A1 Retamar, Pilar A1 López-Cerero, Lorena A1 Muniain, Miguel Angel A1 Pascual, Álvaro A1 Rodríguez-Baño, Jesús K1 Antibacterianos K1 Estudios de cohortes K1 Quimioterapia combinada K1 Infecciones por escherichia coli K1 Pruebas de sensibilidad microbiana K1 Ácido senicilánico K1 Infecciones urinarias AB We investigated the impact of the piperacillin-tazobactam MIC in the outcome of 39 bloodstream infections due to extended-spectrum-β-lactamase-producing Escherichia coli. All 11 patients with urinary tract infections survived, irrespective of the MIC. For other sources, 30-day mortality was lower for isolates with a MIC of ≤ 2 mg/liter than for isolates with a higher MIC (0% versus 41.1%; P = 0.02). PB American Society for Microbiology SN 0066-4804 YR 2013 FD 2013-07 LK http://hdl.handle.net/10668/2160 UL http://hdl.handle.net/10668/2160 LA en NO Retamar P, López-Cerero L, Muniain MA, Pascual Á, Rodríguez-Baño J, Gijón P, et al. Impact of the MIC of piperacillin-tazobactam on the outcome of patients with bacteremia due to extended-spectrum-β-lactamase-producing Escherichia coli. Antimicrob. Agents Chemother. 2013; 57(7):3402-4 NO Journal Article; Research Support, Non-U.S. Gov't; DS RISalud RD Apr 12, 2025