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Major bacteria of community-acquired respiratory tract infections in Turkey

Ezgi Ozyilmaz1, Ozay Arikan Akan, Meral Gulhan

  • 1Ataturk Chest Diseases and Chest Surgery Central Education and Research Hospital, Ankara, Turkey.

Japanese Journal of Infectious Diseases
|February 25, 2005
PubMed

Insights

This study identified major bacterial causes of lower respiratory tract infections (LRTIs) in Turkey, finding Haemophilus influenzae and Streptococcus pneumoniae to be most common. Antibiotic resistance was observed in some strains, highlighting the need for targeted treatments.

Area of Science:

  • Microbiology
  • Infectious Diseases
  • Clinical Research

Background:

  • Lower respiratory tract infections (LRTIs) pose a significant global health burden.
  • Understanding the specific bacterial pathogens and their antibiotic resistance patterns is crucial for effective treatment strategies.

Purpose of the Study:

  • To identify the primary bacterial etiologies of LRTIs in Turkey.
  • To assess the prevalence of antibiotic resistance, specifically beta-lactamase production and penicillin resistance, among these pathogens.

Main Methods:

  • Quantitative sputum cultures were performed on patients with LRTIs.
  • Bacterial identification and susceptibility testing, including E-test for penicillin resistance and beta-lactamase production assays, were conducted.

Main Results:

  • Haemophilus influenzae was the most frequently isolated pathogen, followed by Streptococcus pneumoniae and Moraxella catarrhalis.
  • A low prevalence of beta-lactamase production was found in H. influenzae (6.1%), while all M. catarrhalis strains were producers.
  • 31.2% of S. pneumoniae strains exhibited intermediate resistance to penicillin; no fully resistant strains were detected.

Conclusions:

  • H. influenzae, S. pneumoniae, and M. catarrhalis are key bacterial pathogens causing LRTIs in Turkey.
  • The observed resistance patterns necessitate careful consideration of antibiotic choices for treating LRTIs in this region.

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