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Antibiotic Dereplication Using the Antibiotic Resistance Platform
10:49

Antibiotic Dereplication Using the Antibiotic Resistance Platform

Published on: October 17, 2019

Haemophilus influenzae: antibiotic susceptibility

C A Needham1

  • 1Department of Laboratory Medicine, Lahey Clinic Medical Center, Burlington, Massachusetts 01805.

Clinical Microbiology Reviews
|April 1, 1988
PubMed

Insights

Antibiotic resistance in Haemophilus influenzae, particularly to ampicillin and chloramphenicol, emerged early due to plasmid-mediated enzymes. This necessitates reliable in vitro testing for effective treatment of invasive infections.

Area of Science:

  • Microbiology
  • Clinical Medicine
  • Pharmacology

Background:

  • Haemophilus influenzae infections pose a significant public health challenge.
  • Early emergence of ampicillin and chloramphenicol resistance in H. influenzae compromised treatment options.
  • Enzymatic inactivation, often plasmid-mediated, is the primary resistance mechanism.

Purpose of the Study:

  • To review the historical development of antibiotic resistance in H. influenzae.
  • To discuss the mechanisms of resistance and newer antimicrobial agents.
  • To analyze in vitro testing methodologies for H. influenzae susceptibility.

Main Methods:

  • Literature review of antibiotic resistance in H. influenzae.
  • Analysis of resistance mechanisms, including enzymatic inactivation.
  • Exploration of emerging antimicrobial therapies and diagnostic approaches.

Main Results:

  • Ampicillin resistance in H. influenzae was noted by 1972, followed by chloramphenicol resistance.
  • Plasmid-mediated enzymatic inactivation is the predominant resistance mechanism.
  • Standardization of in vitro susceptibility testing remains challenging due to the organism's fastidious nature.

Conclusions:

  • Antibiotic resistance in H. influenzae has significantly impacted clinical treatment strategies.
  • Understanding resistance mechanisms is crucial for developing effective therapies.
  • Advancements in in vitro testing are essential for guiding appropriate antimicrobial selection.

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