Dental health and viridans streptococcal bacteremia in allogeneic hematopoietic stem cell transplant recipients

C. J. Graber, K. N.F. De Almeida, J. C. Atkinson, D. Javaheri, C. D. Fukuda, V. J. Gill, A. J. Barrett, J. E. Bennett

Research output: Contribution to journalArticlepeer-review

40 Scopus citations

Abstract

Viridans streptococci were the most common cause of bacteremia in 61 consecutive myeloablative allogeneic hematopoietic stem cell transplant (HSCT) recipients, occurring in 19 of 31 bacteremic patients (61%) during the period of post-transplant neutropenia. Seven of the 19 had more than one viridans streptococcus in the same blood culture. Twenty isolates from 15 patients were Streptococcus mitis. Most viridans streptococci were resistant to norfloxacin, used routinely for prophylaxis. Comparison of the 19 patients with viridans streptococcal bacteremia with a contemporaneous group of 23 allogeneic HSCT recipients with fever and neutropenia but no identified focus of infection found that patients with viridans streptococcal bacteremia were more likely to have severe intraoral pathology while neutropenic (26% vs 0%) and slightly shorter interval between the last dental procedure and the onset of neutropenia (11 vs 14 days). Poor underlying dental health and the use of norfloxacin thus appear to predispose to viridans streptococcal bacteremia.

Original languageEnglish (US)
Pages (from-to)537-542
Number of pages6
JournalBone marrow transplantation
Volume27
Issue number5
DOIs
StatePublished - 2001
Externally publishedYes

Keywords

  • Bacteremia
  • Dental
  • Neutropenia
  • Resistance
  • Transplant
  • Viridans streptococcus

ASJC Scopus subject areas

  • Hematology
  • Transplantation

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