LI Na,LIU Nan,ZHANG Ailing,et al.Clinical observation of polymyxin B in the treatment of CRKP-BSI in patients with hematological malignancies[J].ZHONGGUO YAOFANG,2023,34(04):461-465.
LI Na,LIU Nan,ZHANG Ailing,et al.Clinical observation of polymyxin B in the treatment of CRKP-BSI in patients with hematological malignancies[J].ZHONGGUO YAOFANG,2023,34(04):461-465. DOI: 10.6039/j.issn.1001-0408.2023.04.15.
Clinical observation of polymyxin B in the treatment of CRKP-BSI in patients with hematological malignancies
To analyze the efficacy and safety of polymyxin B in the treatment of carbapenem-resistant
Klebsiella pneumoniae
(CRKP)-bloodstream infection (BSI) in patients with hematologic malignancies.
METHODS
2
The medical records of patients with hematologic malignancies with CRKP-BSI who received polymyxin B for at least 3 days in our hospital from September 2019 to June 2021 were retrospectively analyzed. All patients were initially treated with a triple therapy namely polymyxin B+tigecycline+carbapenems for anti-infection therapy.
RESULTS
2
A total of 10 patients were enrolled as the study subjects. Eleven strains of CRKP were cultured in blood, including 10 strains of CRKP produced
Klebsiella pneumoniae
carbapenemase(KPC) and 1 strain of CRKP produced both KPC and metal-beta-lactamase; 9 strains were sensitive to colistin, 7 strains were sensitive to tigecycline, 5 strains were sensitive to amikacin and 2 strains were sensitive to compound sulfamethoxazole. All patients were accompanied by neutropenia, with an average duration of (14.1±6.4) days. They were all characterized by fever, chills and fatigue. After treatment, 6 patients were cured and discharged, 4 patients died of ineffective treatment of septic shock. No serious adverse events related to polymyxin B occurred in all patients.
CONCLUSIONS
2
Polymyxin B can be used as a therapeutic drug for CRKP-BSI in patients with hematological malignancies. No serious adverse event related to polymyxin B occurs during the treatment.
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