Review of streptococcal bloodstream infections at a comprehensive cancer care center, 2000–2011 - 04/01/13
, Jeffrey Tarrand b, Kenneth V. Rolston a
Corresponding author. Department of Infectious Diseases, MD Anderson Cancer Center, Unit 1460, 1515 Holcombe Blvd, Houston, TX 77030, USA. Tel.: +1 713 792 3629; fax: +1 713 792 5381.Summary |
Objectives |
To determine the comparative rates, clinical characteristics, and outcomes of invasive infections due to specific streptococcal types in patients with cancer.
Methods |
Review of electronic medical records of patients with non-viridans group streptococcal bloodstream infection (BSI) at the MD Anderson Cancer Center from 2000 to 2011.
Results |
550 streptococcal BSI were identified. The largest number of cases were caused by Streptococcus pneumoniae (251), group B Streptococcus (147), and gamma-hemolytic streptococci (55). Risk factors for developing a severe streptococcal infection included older age, being neutropenic at onset of BSI, and having a respiratory source of infection. Between 2000–2001 and 2010–2011, the rates of S. pneumoniae BSI and penicillin non-susceptibility decreased by 55% and 100%. In contrast the rate of group B streptococcal (GBS) BSI increased 34% over the same time period. GBS accounted for >80% of the recurrent infections following streptococcal BSI. Patients with breast cancer and those with soft-tissue/bone BSI sources were at increased risk for recurrent GBS infection but had lower rates of severe GBS disease.
Conclusions |
From 2000 to 2011, our comprehensive cancer center observed a significant decrease in the rates of S. pneumoniae BSI and a significant increase in the rates of GBS BSI.
Le texte complet de cet article est disponible en PDF.Keywords : Streptococci, Cancer, Bacteremia, Outcome, Cohort
Plan
Vol 66 - N° 2
P. 136-146 - février 2013 Retour au numéro
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