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Updated: May 17, 2025

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A Comprehensive Overview of Klebsiella Pneumoniae: Resistance Dynamics, Clinical Manifestations, and Therapeutic

Shan-Shan Jin1,2, Wei-Qin Wang1, Yi-Han Jiang1

  • 1Department of Critical Care Medicine, Shanghai General Hospital, Shanghai Jiaotong University, School of Medicine, Shanghai, People's Republic of China.

Infection and Drug Resistance
|March 31, 2025
PubMed

Insights

Klebsiella pneumoniae (Kp) infections are a growing global concern due to hypervirulent and carbapenem-resistant strains. This review details Kp classification, virulence, resistance, and emerging therapeutic strategies to combat this evolving threat.

Area of Science:

  • Microbiology
  • Infectious Diseases
  • Antimicrobial Resistance

Background:

  • Klebsiella pneumoniae (Kp) is a significant human pathogen causing diverse infections.
  • The rise of hypervirulent and carbapenem-resistant Kp strains poses a serious global health challenge.
  • Existing antibiotic treatments are increasingly ineffective against advanced Kp infections.

Purpose of the Study:

  • To provide a comprehensive overview of Klebsiella pneumoniae.
  • To discuss the classification, virulence factors, and dissemination mechanisms of Kp.
  • To review the progression of drug resistance and novel therapeutic strategies against Kp.

Main Methods:

  • Literature review of scientific articles and clinical guidelines.
  • Analysis of Kp classification and virulence factors.
  • Examination of antimicrobial resistance trends and therapeutic advancements.

Main Results:

  • Kp exhibits diverse strains with varying virulence and resistance profiles.
  • Carbapenem resistance is a major challenge, necessitating new treatment approaches.
  • Several novel therapeutic strategies are under development to combat Kp infections.

Conclusions:

  • Understanding Kp's evolution, virulence, and resistance is crucial.
  • Novel therapeutic strategies are essential to manage Kp infections effectively.
  • Continued research and updated clinical guidelines are needed to address the Kp threat.
Keywords:
Klebsiella pneumoniaecapsule typescarbapenem resistantcolonizationevolutionhypervirulentmetastatic spreadvirulencevirulence plasmid

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