An unexpected streptococcus pneumonia strain

Giovanni Cenderello, Emanuele Pontali, Augusta Torresin, Giulia Milano, Filippo Ansaldi, Marcello Feasi, David Usiglio, Marco Mori, Giancarlo Icardi, Giovanni Cassola

Research output: Contribution to journalArticlepeer-review


This clinical driven report describes the unexpected detection of a multidrug resistant (MDR) Streptococcus pneumoniae strain. Italy is usually considered a country characterized by a low prevalence of MDR S. pneumoniae. We describe the occurrence of bacterial meningitis sustained by a MDR S. pneumoniae strain in Italy. The first-line treatment was started with ceftriaxone and dexamethasone, but after the identification of such a resistant strain a second-line regimen was needed. The new regimen was chosen on both susceptibility and pharmacokinetic criteria. Linezolid and levofloxacin were started and a dramatic improvement was observed. A more sensitive anamnesis revealed some elements known to be associated to a MDR S. pneumoniae occurrence (immunesuppression, former antibiotic therapy). So this case should pinpoint our attention on risk factors of MDR for a careful choice of antibiotic therapy in serious pneumococcal infections.

Original languageEnglish
Pages (from-to)173-175
Number of pages3
JournalJournal of Chemotherapy
Issue number3
Publication statusPublished - 2014


  • Immunecompromised host
  • Linezolid treatment
  • S.pneumoniae MDR strain
  • S.pneumoniae meningitis

ASJC Scopus subject areas

  • Pharmacology (medical)
  • Infectious Diseases
  • Oncology
  • Pharmacology
  • Medicine(all)

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