Journal of global antimicrobial resistance · 2018
Evaluation of ceftazidime/avibactam for serious infections due to multidrug-resistant and extensively drug-resistant Pseudomonas aeruginosa.
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Rodríguez-Núñez Olga, Ripa Marco, Morata Laura, de la Calle Cristina, Cardozo Celia, Fehér Csaba, Pellicé Martina, Valcárcel Andrea, Puerta-Alcalde Pedro, Marco Francesc, García-Vidal Carolina, Del Río Ana, Soriano Alex, Martínez-Martínez Jose Antonio
Аннотация
OBJECTIVES: The steady progress in resistance of Pseudomonas aeruginosa (PA) has led to difficulties in treating infections due to multidrug-resistant (MDR) and extensively drug-resistant (XDR) strains. Ceftazidime/avibactam (CAZ/AVI) has in vitro activity against many of these strains, however clinical experience with CAZ/AVI is limited. This study aimed to evaluate the characteristics and outcomes of eight patients with infections due to MDR- or XDR-PA treated with CAZ/AVI, including four strains resistant to ceftolozane/tazobactam.
METHODS: This was a retrospective descriptive study of patients admitted to a teaching hospital between January 2016 and May 2017 who received CAZ/AVI as initial or continuation therapy for infection due to MDR- and XDR-PA.
RESULTS: The sources of infection were hospital-acquired lower respiratory tract infection in five patients (62.5%) and osteomyelitis, meningitis and catheter-related bacteraemia in one patient each. Clinical cure was achieved in 4 patients (50.0%). The 30-day and 90-day mortality rates were 12.5% and 37.5%, respectively. One patient (12.5%) developed encephalopathy that improved with discontinuation of the drug.
CONCLUSIONS: CAZ/AVI may be a valuable option for serious infections due to resistant PA.
METHODS: This was a retrospective descriptive study of patients admitted to a teaching hospital between January 2016 and May 2017 who received CAZ/AVI as initial or continuation therapy for infection due to MDR- and XDR-PA.
RESULTS: The sources of infection were hospital-acquired lower respiratory tract infection in five patients (62.5%) and osteomyelitis, meningitis and catheter-related bacteraemia in one patient each. Clinical cure was achieved in 4 patients (50.0%). The 30-day and 90-day mortality rates were 12.5% and 37.5%, respectively. One patient (12.5%) developed encephalopathy that improved with discontinuation of the drug.
CONCLUSIONS: CAZ/AVI may be a valuable option for serious infections due to resistant PA.