Panton-Valentine leukocidin osteomyelitis in children: a growing threat

Hassaan Q Sheikh1, Adeel Aqil, Andrew Kirby

  • 1Specialty Registrar in the Department of Trauma and Orthopaedics.

Insights

Panton-Valentine leukocidin-producing Staphylococcus aureus osteomyelitis presents significant risks, including abscesses, deep vein thrombosis, and sepsis. Early recognition and management are crucial for this under-recognized infectious threat.

Area of Science:

  • Infectious Diseases
  • Microbiology
  • Orthopedic Surgery

Background:

  • Panton-Valentine leukocidin (PVL) is a toxin produced by some Staphylococcus aureus strains.
  • Osteomyelitis is a serious bone infection.
  • PVL-producing Staphylococcus aureus is an emerging pathogen causing severe infections.

Purpose of the Study:

  • To review the current literature on PVL-producing Staphylococcus aureus osteomyelitis.
  • To highlight the associated complications and clinical significance.
  • To raise awareness of this under-recognized infectious threat.

Main Methods:

  • Literature review of relevant studies.
  • Synthesis of findings on PVL-producing Staphylococcus aureus osteomyelitis.
  • Analysis of reported complications and outcomes.

Main Results:

  • PVL-producing Staphylococcus aureus osteomyelitis is linked to severe complications.
  • Common complications include multiple abscesses, deep vein thrombosis, and fulminant sepsis.
  • This specific type of osteomyelitis is often under-recognized in clinical practice.

Conclusions:

  • Panton-Valentine leukocidin-producing Staphylococcus aureus osteomyelitis is a severe condition with a high complication rate.
  • Increased clinical awareness and prompt diagnosis are essential.
  • Further research and standardized management protocols are needed.

Related Concept Videos

Bacterial Meningitis II: Pathophysiology01:26

Bacterial Meningitis II: Pathophysiology

Bacterial meningitis typically begins when pathogens such as Neisseria meningitidis and Streptococcus pneumoniae colonize the nasopharynx and invade the bloodstream. This process is facilitated by bacterial virulence factors, such as polysaccharide capsules, which resist phagocytosis and complement-mediated killing. Less commonly, bacteria reach the central nervous system via contiguous spread from infections like otitis media or sinusitis, through congenital or acquired dural defects, or...
2
Bacterial Meningitis I: Introduction01:22

Bacterial Meningitis I: Introduction

Bacterial meningitis is a severe, life-threatening inflammation of the meninges, particularly the pia mater and arachnoid mater, affecting the subarachnoid space, ventricles, and cerebrospinal fluid (CSF). If untreated, it can lead to significant neurological complications or death.Causative AgentsCommon pathogens vary with age and immune status. In adults, major organisms include Streptococcus pneumoniae, Neisseria meningitidis, and Haemophilus influenzae. Streptococcus agalactiae (group B...
3
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...
61
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...
750
Tonsillitis II: Management01:26

Tonsillitis II: Management

This lesson will focus on the different treatment options for managing tonsillitis, which typically depend on the cause and severity.
632
Endocarditis III: Medical Management01:18

Endocarditis III: Medical Management

Infective endocarditis management involves a multifaceted approach encompassing infection prevention, lifestyle modifications, pharmacological therapy, and surgical management.Infection Prevention:Hand Hygiene: Thorough handwashing is crucial to prevent the spread of infection. Hand hygiene should be performed regularly, especially before and after using the restroom.Oral Hygiene: Good oral hygiene is essential. It includes brushing teeth immediately after waking up and before bed, flossing...
351