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Related Concept Videos

Staphylococcal Skin Infections01:29

Staphylococcal Skin Infections

Staphylococcus aureus is a Gram-positive coccus that resides harmlessly on the skin and mucous membranes of healthy individuals. When the skin barrier is breached, it can shift from a commensal to an opportunistic pathogen. This transition is facilitated by surface adhesins, such as clumping factor B and S. aureus surface protein G (SasG), which bind to structural proteins, including loricrin and cytokeratin, in the damaged epidermis. Protein A, another key factor, binds the Fc region of...
Skin Diseases and Disorders01:23

Skin Diseases and Disorders

Skin is the first line of defense and encounters a variety of microbes. Some pathogenic strains are often the cause of a broad range of infections of the skin and other body systems. These conditions can affect people of all ages and may have different causes, including genetic factors, infections, autoimmune reactions, environmental factors, and lifestyle choices.
Gram-positive Staphylococcus spp. and Streptococcus spp. are responsible for many of the most common skin infections. However, many...
The Skin Microbiota01:27

The Skin Microbiota

The human skin serves as a complex ecosystem inhabited by a diverse community of microorganisms, including bacteria, fungi, and viruses. This microbiome plays a critical role in maintaining skin health and defending against pathogenic invaders. The composition of microbial communities varies significantly across different regions of the body, influenced primarily by the local levels of moisture and sebum.Regional Variation in Skin MicrobiotaCutibacterium acnes predominantly colonizes sebaceous...
Defense Against Bacterial Pathogens01:31

Defense Against Bacterial Pathogens

The human immune system is a complex network of cells, tissues, and organs that work together to defend the body against bacterial infections. It consists of various immune cells, each playing a specific role in the defense mechanism.
Phagocytes
Phagocytes are the frontline soldiers of the immune system. They include neutrophils and macrophages. Neutrophils are the most abundant type of white blood cell and are quickly mobilized to the site of infection. Macrophages are larger cells that patrol...
Surface Membrane Barriers01:18

Surface Membrane Barriers

The skin and mucous membranes serve as the primary line of defense against pathogens by providing both physical and chemical protection. These barriers are essential in preventing the entry and establishment of microbes, thereby maintaining the integrity of the host.
The outer layer of the skin, the epidermis, is a robust barrier comprising layers of closely packed keratinized cells. This dense arrangement prevents microbes from penetrating the body. The periodic shedding of epidermal cells...
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...

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A Standardized Procedure of Dressing Management for Toxic Epidermal Necrolysis
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A Standardized Procedure of Dressing Management for Toxic Epidermal Necrolysis

Published on: March 14, 2025

Common bacterial dermatoses: protecting competitive athletes.

Jeffrey A Levy1

  • 1US Army Health Clinic, Friedberg, DE.

The Physician and Sportsmedicine
|January 21, 2010
PubMed
Summary

Competitive athletes face risks of bacterial skin infections due to skin abrasion and moisture. Understanding prevention and return-to-play guidelines is crucial for effective athlete care.

Area of Science:

  • Sports Medicine
  • Dermatology
  • Infectious Diseases

Background:

  • Athletes are susceptible to bacterial skin infections from environmental factors and physical contact.
  • Wet, abraded skin creates an environment conducive to bacterial proliferation in sports settings.

Purpose of the Study:

  • To outline common bacterial skin infections in athletes.
  • To emphasize the importance of preventive strategies and return-to-play criteria for competitive athletes.

Main Methods:

  • Review of common bacterial skin infections in athletic populations.
  • Discussion of diagnostic and treatment approaches.
  • Emphasis on National Collegiate Athletic Association (NCAA) guidelines for prevention and return-to-play.

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Isolation and Identification of Bacterial Strains from Skin of Terrestrial Amphibians
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Isolation and Identification of Bacterial Strains from Skin of Terrestrial Amphibians

Published on: June 17, 2025

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A Standardized Procedure of Dressing Management for Toxic Epidermal Necrolysis
07:22

A Standardized Procedure of Dressing Management for Toxic Epidermal Necrolysis

Published on: March 14, 2025

Isolation and Identification of Bacterial Strains from Skin of Terrestrial Amphibians
05:19

Isolation and Identification of Bacterial Strains from Skin of Terrestrial Amphibians

Published on: June 17, 2025

Main Results:

  • Common infections include impetigo, folliculitis, furunculosis, pitted keratolysis, and otitis externa.
  • Diagnosis and treatment are generally straightforward, similar to nonathletes.
  • Preventive measures and specific return-to-play criteria are essential for clinicians.

Conclusions:

  • Bacterial skin infections are a significant concern for athletes across various sports.
  • Clinicians must be knowledgeable about prevention and return-to-play protocols to manage these infections effectively in competitive athletes.