Fighting antibiotic resistance in the intensive care unit using antibiotics

Nienke L Plantinga1, Bastiaan H J Wittekamp, Pleun J van Duijn

  • 1Julius Center for Epidemiology of Infectious Disease, University Medical Center Utrecht, Utrecht, The Netherlands.

Future Microbiology
|March 28, 2015
PubMed

Insights

Antibiotic resistance is a growing global threat, particularly in intensive care units. This review explores strategies like selective decontamination and antibiotic rotation to combat multidrug-resistant organisms.

Area of Science:

  • Critical care medicine
  • Infectious diseases
  • Microbiology

Background:

  • Antibiotic resistance is a significant global health challenge, with rising rates of multidrug-resistant organisms (MDROs).
  • Intensive care units (ICUs) are hotspots for antibiotic resistance due to high antibiotic use and vulnerable patient populations.
  • The pipeline for new antibiotics is insufficient to counter the increasing resistance.

Purpose of the Study:

  • To review and synthesize evidence on non-traditional interventions for controlling antibiotic resistance in ICUs.
  • To evaluate the efficacy of selective decontamination and antibiotic rotation strategies.

Main Methods:

  • Literature review of studies on selective oropharyngeal and digestive tract decontamination.
  • Review of decolonization strategies for methicillin-resistant Staphylococcus aureus (MRSA).
  • Analysis of antibiotic rotation protocols in ICU settings.

Main Results:

  • Selective decontamination shows potential in reducing MDRO infections and mortality in ICUs.
  • Decolonization of MRSA can decrease infection rates.
  • Antibiotic rotation may help preserve antibiotic efficacy but requires careful implementation.

Conclusions:

  • Selective decontamination, MRSA decolonization, and antibiotic rotation are promising strategies to modulate antibiotic resistance in ICUs.
  • These interventions, alongside traditional methods, can help mitigate the threat of MDROs.
  • Further research is needed to optimize protocols and assess long-term impacts.

Related Concept Videos

Mechanism of Antibiotic Resistance in MRSA01:25

Mechanism of Antibiotic Resistance in MRSA

Antibiotic resistance in bacteria arises when microorganisms evolve the ability to withstand drugs designed to kill them or inhibit their growth, rendering once-effective treatments useless. This phenomenon, driven by genetic change and selection under antibiotic exposure, poses a profound threat to modern medicine. Mechanisms include drug-inactivating enzymes (e.g., β-lactamases), efflux pumps that eject antibiotics, mutations altering antibiotic targets, decreased drug uptake, and...
143
Clinical Significance of Antibiotic Resistance01:25

Clinical Significance of Antibiotic Resistance

Methicillin-resistant Staphylococcus aureus (MRSA) presents a critical public health threat, arising from its capacity to resist β-lactam antibiotics due to acquisition of the mecA gene within the staphylococcal cassette chromosome mec (SCCmec). This gene encodes penicillin-binding protein 2a (PBP2a), which impairs binding efficacy of methicillin and other β-lactams. MRSA has evolved into distinct clonal lineages impacting humans and animals alike, reinforcing its significance within...
57
Acute Pyelonephritis II: Diagnostic Studies and Management01:28

Acute Pyelonephritis II: Diagnostic Studies and Management

Introduction:For diagnosing acute pyelonephritis, a comprehensive patient history is collected to identify symptoms such as dysuria, frequent or urgent urination, flank pain, or costovertebral angle (CVA) tenderness that may suggest a kidney infection.Physical ExaminationDuring the physical examination, CVA tenderness is assessed. This involves gentle percussion over the costovertebral angle, where tenderness often indicates a kidney infection.Diagnostic TestsUrinalysis: Used to identify white...
743
Combined Effects of Drugs: Synergism01:27

Combined Effects of Drugs: Synergism

Synergism is a useful mechanism where combining two or more drugs is more effective than each constituent used alone. Such combinations are also called supra-additive interactions. The drugs collectively enhance the final therapeutic effect by acting on different targets. Another advantage is that the low dose of each constituent drug is sufficient to achieve the desired effect. This helps reduce the duration of therapy and lower the adverse effects of these drugs.
Such synergistic combinations...
8.0K
Healthcare Associated Infections II: Preventive Measures01:22

Healthcare Associated Infections II: Preventive Measures

Essential infection prevention measures are based on the knowledge of the infection chain, the modes of transmission in healthcare settings, and the use of the best practices in all healthcare settings. Compulsory public reporting of healthcare-associated infection rates is needed to allow individuals and the community to make informed choices regarding selecting a healthcare facility.
The best practices for preventing healthcare-associated infections include hand hygiene, patient risk...
5.0K
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...
2.1K