Modes of local drug delivery to the musculoskeletal system.

The research article discusses various methods of locally delivering drugs to musculoskeletal tissue in horses, emphasizing the need for further study to determine the efficacy of these methods. It also highlights the potential of these methods in treating bone and joint infections.

Introduction to Local Drug Delivery

The paper begins by stating that a plethora of methods are available for delivering drugs directly into the musculoskeletal tissues of horses. Local drug delivery is when medication is provided directly to the area of the body needing treatment, instead of circulating the drug throughout the entire body.

Need for Further Research

• The article identifies a gap in the current understanding of the disposition of drugs delivered via local methods. It suggests more research should be done to examine how these drugs are absorbed, distributed, metabolized, and excreted by horses.
• It also encourages correlating this information with the effectiveness of the drug delivery method to see if the drugs are reaching their intended targets and if they are producing the desired results.

Potential Applications

• The researchers argue that the greatest potential for using localized drug delivery methods lies in treating infections in the synovial membrane (which lines the joints) and the bone.
• They note that by directly applying high concentrations of antimicrobials to the site of infection, the chances of successfully combating the infection could increase significantly.

Complementary Treatment Approaches

The authors stress that local drug delivery methods should not be solely relied upon but should be used conjunction with other treatment procedures. These include:

• Bacterial culture and sensitivity procedures to identify the type of bacterial infection and the most effective antibiotic against it.
• Systemic antimicrobials, which are drugs processed through the entire body to fight bacterial infections.
• Surgical drainage to remove pus or fluid from the infected area.
• Removal of dead bone or surgical implants that might be contributing to the infection.
• Establishment of fracture stability to ensure proper healing of any associated bone fractures.
• Use of autogenous bone grafts, which are the patient’s own bone tissue used to repair, reconstruct, or replace bone lost during surgery or due to disease.
• Prescription of systemic Nonsteroidal Anti-inflammatory Drugs (NSAIDs) to manage pain and inflammation.
• Requiring the horse to rest to facilitate the healing process.