Challenging Gram-negative Infections: Perspectives from a Clinician and a Microbiologist
1Department of Clinical Sciences & Advanced Medicine, School of Veterinary Medicine, University of Pennsylvania, 3900 Delancey Street, Philadelphia, PA 19104, USA.
Summary
Antimicrobial resistance complicates Gram-negative infections in pets. Effective management of these bacterial infections requires tailored treatment, antimicrobial stewardship, and infection prevention.
Area of Science:
- Veterinary Medicine
- Infectious Diseases
- Antimicrobial Resistance
Background:
- Gram-negative bacterial infections are prevalent in dogs and cats.
- Antimicrobial resistance (AMR) poses a significant challenge in treating these infections.
- Key pathogens include Enterobacterales and Pseudomonas aeruginosa, causing various infections.
Purpose of the Study:
- To review the challenges and strategies for managing Gram-negative infections in companion animals.
- To highlight the impact of antimicrobial resistance on treatment efficacy.
- To emphasize the importance of diagnostics and stewardship.
Main Methods:
- Literature review of Gram-negative infections in dogs and cats.
- Analysis of common pathogens and their resistance patterns.
- Discussion of diagnostic interpretation and therapeutic considerations.
Main Results:
- Gram-negative infections are diverse, affecting urinary, respiratory, and wound sites.
- Antimicrobial resistance is an increasing complication, necessitating careful treatment selection.
- Culture and susceptibility testing are crucial but require clinical correlation.
Conclusions:
- Successful treatment hinges on accurate diagnostics, understanding resistance, and tailored therapy.
- Antimicrobial stewardship and infection control are vital for long-term management and preventing spread.
- Addressing underlying conditions and implementing prevention strategies reduce recurrence and resistance spread.
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