Case Commentary: An espresso, a free puppy, and multidrug-resistant Campylobacter

William L Musick1

  • 1Houston Methodist Hospital , Houston, Texas, USA.

Insights

Campylobacter coli bacteremia in immunocompromised patients is a serious concern. This study investigates carbapenem resistance mechanisms, highlighting challenges in treating these infections.

Area of Science:

  • Infectious Diseases
  • Antimicrobial Resistance
  • Molecular Microbiology

Background:

  • Campylobacter infections in immunocompromised individuals can lead to severe systemic disease.
  • Limited contemporary antibiotic susceptibility data complicates treatment decisions.
  • Intrinsic antimicrobial resistance in Campylobacter spp. restricts therapeutic options.

Purpose of the Study:

  • To investigate the mechanisms of carbapenem resistance in Campylobacter coli.
  • To report on the treatment and molecular investigation of a case of Campylobacter coli bacteremia.

Main Methods:

  • Clinical case study of an immunocompromised patient.
  • Molecular analysis to identify carbapenem resistance mechanisms.
  • Antimicrobial susceptibility testing.

Main Results:

  • Identification of specific molecular mechanisms conferring carbapenem resistance in Campylobacter coli.
  • Successful treatment of the patient's bacteremia.

Conclusions:

  • Carbapenem resistance in Campylobacter poses a significant clinical challenge.
  • Understanding resistance mechanisms is crucial for effective treatment strategies in immunocompromised patients.

Related Concept Videos

Development of Antibiotic Resistance01:30

Development of Antibiotic Resistance

Antibiotic resistance is a major public health concern that arises when bacteria evolve mechanisms to withstand the effects of antibiotic treatments. This resistance can be intrinsic, acquired through genetic mutations, or transferred between bacteria via horizontal gene transfer. The development of antibiotic resistance poses significant challenges in treating bacterial infections and necessitates ongoing research to develop new therapeutic strategies.Intrinsic resistance occurs when bacterial...
19
Antibiotic Selection00:57

Antibiotic Selection

Overview
54.5K
Stringent Response in E. coli01:23

Stringent Response in E. coli

Bacterial growth is closely tied to nutrient availability, with cells proliferating exponentially under favorable conditions and entering a stationary phase when resources become scarce. This transition is mediated by a regulatory mechanism known as the stringent response, which allows bacteria to adapt to nutrient deprivation by modulating gene expression and metabolic activity.During nutrient scarcity, intracellular amino acid levels decline. It results in the accumulation of uncharged tRNAs...
17
Antimicrobial Effectiveness01:28

Antimicrobial Effectiveness

The effectiveness of antimicrobial agents depends on various factors influencing their ability to eliminate microbial populations. Larger microbial populations require more time for complete eradication, emphasizing the importance of population size analysis when evaluating antimicrobial efficacy.Microbial resistance to antimicrobial agents varies significantly. Highly resilient microorganisms include endospores, gram-negative bacteria, and non-enveloped viruses, while prions are exceptionally...
25
Drugs Affecting GI Tract Motility: Antimicrobials as Antidiarrheal Agents01:18

Drugs Affecting GI Tract Motility: Antimicrobials as Antidiarrheal Agents

Acute diarrhea, a common gastrointestinal disturbance, is characterized by the rapid evacuation of fluid stools, leading to an excessive weight in fluid. This condition typically arises from disorders affecting intestinal water and electrolyte transport. It can be triggered by an increased osmotic load within the intestine, excessive secretion of electrolytes and water, mucosal exudation of protein and fluid, or altered intestinal motility. The primary risks of acute diarrhea are dehydration...
132