Related Experiment Video

Updated: Jun 17, 2026

Isolation and Identification of Waterborne Antibiotic-Resistant Bacteria and Molecular Characterization of their Antibiotic Resistance Genes
08:58

Isolation and Identification of Waterborne Antibiotic-Resistant Bacteria and Molecular Characterization of their Antibiotic Resistance Genes

Published on: March 3, 2023

[Transmission of multidrug-resistant bacteria in ambulatory settings]

D Luft1, M Dettenkofer

  • 1Institut für Umweltmedizin und Krankenhaushygiene, Sektion Krankenhaushygiene, Freiburg.

Der Internist
|December 10, 2009
PubMed

Insights

Preventing multidrug-resistant organisms (MDROs) in ambulatory care requires strict hand hygiene and patient record flagging. Enhanced collaboration between healthcare settings is crucial for effective MDRO control.

Area of Science:

  • Infectious Diseases
  • Public Health
  • Healthcare Epidemiology

Context:

  • Multidrug-resistant organisms (MDROs) pose a growing threat in ambulatory healthcare settings.
  • Key MDRO examples include methicillin-resistant Staphylococcus aureus (MRSA), vancomycin-resistant enterococci (VRE), and extended-spectrum beta-lactamase (ESBL)-producing bacteria.
  • Hand hygiene by healthcare workers is the primary transmission route for MDROs.

Purpose:

  • To outline essential infection control and prevention strategies for MDROs in ambulatory care.
  • To emphasize the importance of standard precautions, particularly hand hygiene.
  • To detail supplementary measures for MDRO management.

Summary:

  • Strict adherence to standard precautions, especially alcohol-based hand rubs, is vital to prevent MDRO cross-transmission.
  • Additional control measures include patient record flagging, standardized care protocols, staff education, information sharing, and guideline-based antibiotic use.
  • Optimized networking and cooperation between ambulatory providers and hospitals are recommended for comprehensive MDRO management.

Impact:

  • Improved infection control practices in ambulatory settings.
  • Reduced transmission of dangerous MDROs.
  • Enhanced patient safety and outcomes through coordinated healthcare efforts.

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 acquisition...
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 the One...
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...
Transmission-based Precautions I: Contact, Enteric, and Droplets01:17

Transmission-based Precautions I: Contact, Enteric, and Droplets

Transmission-based precautions are for patients known to be infected or suspected to be infected or colonized with organisms that pose a significant risk to others. Some transmission-based precautions include contact, enteric, and droplet.
Contact Precautions:
Contact precautions are the measures taken to prevent the transmission of infectious agents, especially epidemiologically important microorganisms such as MRSA or influenza, primarily transmitted through direct or indirect contact with an...
Antibiotic Selection00:57

Antibiotic Selection

Overview
Transmission-based Precautions II: Airborne and Protective Environment01:25

Transmission-based Precautions II: Airborne and Protective Environment

Transmission-based precautions are for patients infected or suspected to be infected (or colonized) with organisms posing a significant risk to others. The transmission precautions include airborne and protective environment precautions.
Airborne precautions:
Use airborne precautions when treating patients known or suspected to have diseases that spread through the air—for example, tuberculosis or measles. These organisms are present in smaller droplets expelled by an infected person and...