Unraveling the Causes of Septic Arthritis: What Triggers This Joint Infection?
Unraveling the Causes of Septic Arthritis: What Triggers This Joint Infection?
Digging Deeper
Septic arthritis can be triggered by various factors, and understanding these causes is key to prevention and treatment. This article explores the different ways septic arthritis can develop.
Contents
- Hematogenous Spread
- Direct Inoculation
- Contiguous Spread
Hematogenous Spread
The most common cause of septic arthritis is bacteria traveling through the bloodstream to the joint, known as hematogenous spread. This can occur when bacteria enter the blood from infections elsewhere in the body, such as skin infections or dental procedures.
Direct Inoculation
Septic arthritis can also result from direct inoculation, where bacteria enter the joint through an injury or during medical procedures like joint injections. This is more likely to happen in individuals with weakened immune defenses or poor injection practices.
Contiguous Spread
In some cases, infections from nearby tissues or bones can spread into the joint, causing septic arthritis. This contiguous spread is less common but can occur in severe cases of osteomyelitis or other deep infections near the joint.
FAQs
What causes septic arthritis?
Bacteria entering the joint via blood, injury, or nearby infection.
How does hematogenous spread work?
Bacteria travel through the bloodstream to the joint.
Can injuries cause septic arthritis?
Yes, through direct inoculation of bacteria into the joint.
Wrapping Up
Understanding the causes of septic arthritis can aid in prevention and early intervention.
Additional References
- Mader JT, Shirtliff M, Calhoun JH. The host and the skeletal infection: classification and pathogenesis of acute bacterial bone and joint sepsis. Baillieres Best Pract Res Clin Rheumatol 1999; 13:1.
- Goldenberg DL. Septic arthritis. Lancet 1998; 351:197.
This article has been reviewed for accuracy by one of the licensed medical doctors working for Doctronic.