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Related Concept Videos

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...
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...
Treating Helicobacter pylori in Peptic Ulcers: Antimicrobial Therapy01:16

Treating Helicobacter pylori in Peptic Ulcers: Antimicrobial Therapy

Helicobacter pylori, a resilient gram-negative bacterium, can thrive in the stomach's harsh, acidic environment. Infection with H. pylori leads to a cascade of events within the stomach lining. One of the critical disruptions caused by this bacterium is the interference with somatostatin production, a hormone responsible for regulating acid secretion. This interference tips the balance, escalating acid secretion and diminishing bicarbonate levels. This imbalance compromises the defensive...
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...
Endocarditis III: Medical Management01:18

Endocarditis III: Medical Management

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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.

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Related Experiment Videos

Local antibiotic therapy in osteomyelitis.

Jaspaul S Gogia1, John P Meehan, Paul E Di Cesare

  • 1Department of Orthopaedic Surgery, UC Davis Medical Center, Sacramento, California.

Seminars in Plastic Surgery
|June 23, 2010
PubMed
Summary

Local antibiotic delivery effectively treats osteomyelitis using various methods. Polymethylmethacrylate remains a mainstay, while newer biodegradable materials and antibiotic-impregnated metal show future promise for osteomyelitis treatment and prophylaxis.

Keywords:
Antibioticbiodegradableelutionmethylmethacrylateosteomyelitis

Related Experiment Videos

Area of Science:

  • Orthopedics
  • Infectious Diseases
  • Biomaterials Science

Background:

  • Local antibiotic delivery is a long-established, safe, and effective strategy for osteomyelitis treatment.
  • Various drug delivery systems have been developed for both treating and preventing bone infections.

Purpose of the Study:

  • To review the historical and current methods of local antibiotic delivery for osteomyelitis.
  • To highlight the advantages and limitations of different biomaterials used in antibiotic delivery.
  • To discuss emerging technologies in the field.

Main Methods:

  • Review of established and novel local antibiotic delivery systems for osteomyelitis.
  • Analysis of material properties, including elution characteristics and structural support.
  • Evaluation of clinical efficacy and future potential of different delivery methods.

Main Results:

  • Non-biodegradable polymethylmethacrylate has been the primary treatment for two decades due to its elution and structural properties.
  • Biodegradable materials like calcium sulfate and bone graft substitutes are increasingly utilized.
  • Emerging options include synthetic polymers and antibiotic-impregnated metal, showing significant laboratory potential.

Conclusions:

  • Local antibiotic delivery is a cornerstone in osteomyelitis management.
  • Material choice significantly impacts treatment effectiveness and patient outcomes.
  • Advancements in biomaterials and implantable devices offer promising future therapeutic strategies for osteomyelitis.