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Chinese Journal of Clinical Pharmacology and Therapeutics ›› 2018, Vol. 23 ›› Issue (1): 93-98.doi: 10.12092/j.issn.1009-2501.2018.01.018

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Clinical features and risk factors for infecfions in multiple myeloma during chemotherapy

WU Haibing 1, ZHANG Gang 1, HAN Bin 1, GUO Xiaojun 1, JI Zhaoning 2   

  1. 1 Department of Hematology, Frist Affiliated Hospital of Jiaxing University, Jiaxing 314000, Zhejiang, China; 2 Cancer Center, Yijishan Hospital of Wannan Medical College, Wuhu 241001, Anhui, China
  • Received:2017-04-19 Revised:2017-06-10 Online:2018-01-26 Published:2018-02-07

Abstract:

AIM: To observe the clinical characteristics of infections in multiple myeloma (MM) patients during chemotherapy in hospital, and to identify the risk factors for infection and provide the basis for prevention and control of nosocomial infections. METHODS: A retrospective study of patients with MM who underwent chemotherapy between Jan 2012 and Mar 2016 in the First Affiliated Hospital of Jiaxing University was conducted. Clinical features and risk factors for infections were analyzed. RESULTS: One hundred and fifty three patients with MM received a total of 415 courses of chemotherapies. During which 150 (36.14%) infections episodes occurred. The common infections sites were respiratory tract infection (49.25%), gastrointestinal tract infection (16.42%), urinary tract infection (13.43%) and oral infection (7.46%).Seventy-four strains of pathogenic bacteria were detected. Gram-negative bacteria were observed in 71.62% of documented pathogens, and Gram-positive bacteria were responsible for 17.57% of infections. Multivariate unconditioned logistic analysis of factors identified consistent independent risk factors for complication of diabetes mellitus(95%CI:6.572-80.650, OR=22.359, P<0.001), hospitalization time longer than 20 days(95%CI:1.785-29.169, OR=17.328, P<0.001), and high ISS stage(95%CI: 4.974-35.247, OR=12.894, P<0.001). CONCLUSION: Patients with MM tended to be infected with various species of pathogens after the chemotherapy; MM patients with complication of diabetes mellitus, hospitalization time longer than 20 days, and high ISS stage faced an increased risk of infections by multivariate analysis. It is necessary for the hospital to strengthen the risk assessment for the patients and take effective prevention and control measures for the patients complicated with diabetes, hospitalization interval longer than 20 days, or high ISS stage.

Key words: multiple myeloma, infection, risk factors, pathogen

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