期刊
ANNALS OF HEMATOLOGY
卷 84, 期 1, 页码 40-46出版社
SPRINGER
DOI: 10.1007/s00277-004-0909-0
关键词
bacteremia; fungemia; hematopoietic stem cell transplantation
类别
To examine shifts in the etiology, incidence, evolution, susceptibility, and patient mortality of bacterial and fungal bloodstream isolates (BSIs) from hematopoietic stem cell transplantation (HSCT) recipients, we reviewed the BSIs of 796 patients who underwent an HSCT in our institution during a 10-year period. Four hundred eighty-nine episodes of bacterial and fungal BSI were detected in 330 patients (41%). Three hundred ten isolates (63%) were gram-positive bacteria, 142 (29%) were gram-negative, and 18 and 19 isolates were different species of anaerobic organism and Candida spp. ( both 4%). Coagulase-negative staphylococci (CoNS), with 210 isolates, were the organism most frequently isolated in each year of study and during the three phases of immune recovery after HSCT. The ratio of gram-positive to gram-negative has declined from 3.3 ( 1991 - 1992) to 1.8 ( 1999 2000). Crude mortality occurred in 47 cases of 489 BSI episodes (10%). Mortality according to groups was gram-negative, 7%; gram-positive, 9%; and anaerobic bacteria, 11%. Candida spp. was the group that accounted for the highest crude mortality, with 42%. Gram-positive microorganisms were isolated more often than gram-negative organisms, but the trend is reversing. CoNS were the leading pathogen during the 10 years of study and during the three phases of immune recovery after HSCT. Crude mortality of HSCT patients with BSI was low except for infections caused by Candida spp.
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