Abstract
ObjectivesThe aim of this study was to investigate the clinical characteristics and outcomes of patients with infections caused by multidrug-resistant Gram-negative bacteria (MDR-GNB) treated with ceftazidime/avibactam (CAZ/AVI) during the period September 2019 to June 2020 since CAZ/AVI had been marketed in China. MethodsA total of 20 MDR-GNB-infected patients were retrospectively identified using the electronic medical record system in West China Hospital. ResultsThe mean age of the 20 patients was 54.5 ± 17.37 years and 14 (70%) were male. Pneumonia (n = 12; 60%), complicated intra-abdominal infection (n = 10; 50%), and bloodstream infection (n = 7; 35%) were the most common infection sources. Klebsiella pneumoniae (55% 18/33) was the predominant pathogen. The 14-day clinical cure rate was 45%. The 14-day and 30-day mortality rates were 25% and 55%, respectively. No significant difference was found in 30-day mortality between treatment with CAZ/AVI monotherapy and combination regimens (P > 0.05). Three patients suffered from adverse drug reactions such as diarrhoea. ConclusionNo significant difference was found between the effectiveness of CAZ/AVI in the clinical failure and cure groups as salvage treatment of MDR-GNB infection.
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