Related Experiment Video

Updated: Feb 3, 2026

Genotyping of Staphylococcus aureus by Ribosomal Spacer PCR RS-PCR
08:51

Genotyping of Staphylococcus aureus by Ribosomal Spacer PCR RS-PCR

Published on: November 4, 2016

10.2K

[Staphylococcus aureus producing Panton-Valentine leukocidin : notions in clinical practice]

Sara Pérez1, André Liaudet1, Bernard Favrat1

  • 1Policlinique médicale universitaire, 1011 Lausanne.

Revue Medicale Suisse
|November 1, 2018
PubMed

Insights

Staphylococcal skin infections linked to Panton-Valentine leucocidin (PVL) toxin require specific treatment. Early PCR diagnosis of PVL-producing Staphylococcus strains aids in effective management and understanding prevalence.

Area of Science:

  • Microbiology
  • Infectious Diseases
  • Dermatology

Background:

  • Staphylococcal skin infections, particularly recurrent or treatment-resistant abscesses, are a growing clinical concern.
  • The Panton-Valentine leucocidin (PVL) toxin is frequently implicated in severe staphylococcal infections.
  • Increasing prevalence of PVL-producing strains is observed in clinical practice.

Purpose of the Study:

  • To highlight the association between PVL toxin and challenging staphylococcal skin infections.
  • To emphasize the diagnostic utility of PCR for PVL detection.
  • To underscore the need for epidemiological studies on PVL-producing strains in Europe.

Main Methods:

  • Polymerase Chain Reaction (PCR) for rapid diagnosis of PVL-producing Staphylococcus.
  • Clinical assessment of staphylococcal skin infections.
  • Monitoring of antibiotic resistance patterns.

Main Results:

  • PVL toxin is a common factor in staphylococcal skin infections unresponsive to standard treatments.
  • PCR provides diagnostic results for PVL within 24 hours.
  • The frequency of PVL-producing strains appears to be increasing.

Conclusions:

  • PVL-producing Staphylococcus strains are significant in clinical staphylococcal infections.
  • Rapid PCR diagnosis is crucial for guiding treatment decisions.
  • Further epidemiological research is necessary to ascertain the prevalence of PVL-producing strains in Europe due to factors like migration.

More Related Videos

Quantifying the Cytotoxicity of Staphylococcus aureus Against Human Polymorphonuclear Leukocytes12:27

Quantifying the Cytotoxicity of Staphylococcus aureus Against Human Polymorphonuclear Leukocytes

Published on: January 3, 2020

6.8K
Development and Assessment of Intracellular Infection Models for Staphylococcus aureus08:32

Development and Assessment of Intracellular Infection Models for Staphylococcus aureus

Published on: January 17, 2025

1.3K

Related Concept Videos

Characteristics of Practical Op Amps01:16

Characteristics of Practical Op Amps

A difference amplifier, a crucial component in numerous electronic devices, ideally amplifies only the difference-mode signal, which is the difference between two input signals. However, in practical circuits, the output voltage depends on both the differential gain and the common-mode gain.
The ratio of differential gain to the common-mode gain is defined as the common-mode rejection ratio (CMRR). This ratio quantifies the ability of operational amplifiers (op-amps) to reject common-mode...
864
Theoretical Foundations of Nursing Practice01:30

Theoretical Foundations of Nursing Practice

Theories play an essential role in organizing patient care. Theories refer to a proposed or followed belief, policy, or procedure that is the basis for action. Nursing theories are knowledge-based concepts that guide nurses' actions, influence nursing education and practice, and allow nurses to care for their patients.
Theories provide a perspective to assess patients' conditions and organize data and methods. They also assist in analyzing and interpreting information. They represent a...
17.4K
Equivalent Circuits for Practical Transformers01:28

Equivalent Circuits for Practical Transformers

The practical equivalent circuits of single-phase two-winding transformers exhibit significant deviations from their idealized versions due to the inherent properties of winding resistance and finite core permeability. These properties result in real and reactive power losses, affecting the transformer's performance. Understanding these deviations is crucial for designing more efficient transformers.
In a practical transformer, each winding exhibits resistance and leakage reactance. The...
1.4K
Nursing Clinical Information System01:27

Nursing Clinical Information System

Nursing Clinical Information System (NCIS)
A Nursing Clinical Information System (NCIS) is a specialized type of healthcare information system tailored to meet the unique needs of nursing practice. It incorporates the principles of nursing informatics to streamline information management and improve the quality of care delivery.
Critical attributes of NCIS include:
1.3K
Clinical Trials01:16

Clinical Trials

Clinical trials are prospective experimental studies conducted on humans to determine the safety and efficacy of treatments, drugs, diet methods, and medical devices. Using statistics in clinical trials enables researchers to derive reasonable and accurate conclusions from the collected data, allowing them to make wise decisions in uncertain situations. In medical research, statistical methods are crucial for preventing errors and bias.
There are four phases in a clinical trial. A phase one...
10.5K
Clinical Trials: Overview01:11

Clinical Trials: Overview

Clinical development focuses on how the drug will interact with the human body and encompasses four key phases of clinical trials, each serving a specific purpose in assessing the safety and effectiveness of new drugs. These phases overlap and build upon one another. Phase I involves a small group of healthy volunteers (typically 20-80 individuals) or, in cases where significant toxicity is expected, patients with the targeted disease, such as cancer or AIDS. The volunteers are tested for...
5.0K