关键词: 骨髓增生异常综合征, 交叉感染, 危险因素

Abstract:  Objective To investigate the characteristics and risk factors of nosocomial infection in patients with myelodysplastic syndrome (MDS), and to provide a theoretical basis for the prevention and treatment of nosocomial infection in such patients. Methods A total of 226 patients with MDS hospitalized in the Department of Hematology in our hospital from January 2016 to December 2017 were selected as subjects in this study. The retrospective investigation was used to analyze the characteristics and related risk factors in hospitalized patients with hospital infection. Results A total of 52 patients were found nosocomial infection during hospitalization, with an infection rate of 23.01%, 3 cases with double infections, and 2 cases with multiple infections. Among them, 28 cases were found pathogenic bacteria and 15 cases of Gram-negative bacteria (53.6%), 4 cases of blue positive bacteria (14.3%) and 9 cases of fungi (32.1%). Univariate analysis showed that MDS revised international prognostic score (IPSS-R) risk grouping, length of hospital stay, neutrophil count, duration of neutropenia, invasive procedure, albumin content, use of hormones and use of decitabine were closely related to nosocomial infection in hospitalized patients with MDS (P＜0.05). Multivariate Logistic analysis showed that patients with lower prognostic scores for disease IPSS-R, longer hospital stay, low albumin levels, longer duration of granulocytosis, and use of decitabine during hospitalization were the independent risk factors for nosocomial infection (P＜0.05). Conclusion Targeted measures are taken to address the risk of nosocomial infections in hospitalized patients with MDS, which shorten the hospital stay, and can reduce the incidence of nosocomial infection.

Key words: myelodysplastic sydrome, cross infection, risk factors