Septic Arthritis | Western Sydney University - Edubirdie

University:
Western Sydney University
Course:
MEDI 3003 | Applied Clinical Sciences
Academic year:

2024
Views:

224

Pages:

2
Author:

Mariam A. A.

Septic Arthritis Infectious Origin Hematogenous: Direct spread from distant infection Bacteremia Fungal infections Direct Inoculation: Open wounds Post-surgical Intra-articular injections Iatrogenic: Arthroscopy Joint injections Pathogenesis Microorganism reaches joint Inflammation Neutrophil influx Release of inflammatory mediators Synovial membrane inflammation Joint effusion Cartilage damage Bone erosion Clinical Features Rapid onset joint pain Swelling Erythema Fever Decreased range of motion Systemic symptoms (e.g., fatigue, malaise) Diagnosis Joint aspiration: Synovial fluid analysis: WBC count > 50,000 cells/µL PMN predominance Gram stain Culture Imaging: X-ray Ultrasound MRI Treatment Antibiotics: Prompt initiation of appropriate antibiotics Duration depends on severity and organism Joint drainage: Arthrocentesis Arthroscopic irrigation and debridement Surgical intervention: Joint replacement in severe cases Complications Joint destruction Chronic arthritis Sepsis Death

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