Fluoroquinolone Resistance among Streptococcus pneumoniae in Hong Kong Linked to the Spanish 23F Clone
2001

Fluoroquinolone Resistance in Streptococcus pneumoniae in Hong Kong

Sample size: 140 publication Evidence: moderate

Author Information

Author(s): Pak Leung Ho, Wing Cheong Yam, Terence K.M. Cheung, Wilson W.S. Ng, Tak Lun Que, Dominic N.C. Tsang, Tak Keung Ng, Wing Hong Seto

Primary Institution: University of Hong Kong

Hypothesis

What is the serotype distribution and resistance pattern of Streptococcus pneumoniae in Hong Kong?

Conclusion

The study found that fluoroquinolone-resistant strains of Streptococcus pneumoniae in Hong Kong are closely related to the Spanish 23F clone.

Supporting Evidence

  • 73% of the isolates were serotypes 6A/B, 19F, and 23F.
  • 15 of the 140 isolates were resistant to ciprofloxacin.
  • All ciprofloxacin-resistant strains were from adults aged 54 to 88 years.

Takeaway

This study looked at bacteria that cause pneumonia in Hong Kong and found that many of them are resistant to important antibiotics.

Methodology

The study analyzed sputum isolates from four regional laboratories in Hong Kong using pulsed-field gel electrophoresis.

Limitations

The study only included isolates from hospitalized patients and did not sample children aged 6 to 17 years.

Participant Demographics

Isolates were obtained from hospitalized patients, primarily adults aged 54 to 88 years.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.001

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