M00.85

Clinical Causes: Bacterial infection entering the bloodstream and reaching the hip joint Direct bacterial invasion through a penetrating injury or during surgery Spread from nearby infections in the pelvis or surrounding tissues Presence of bacteria such as Staphylococcus aureus, Streptococcus species, or other less common pathogens

Key Symptoms: Severe joint pain focused on the hip Swelling and redness around the affected joint Stiffness and limited range of motion Fever and chills indicating systemic infection Tenderness upon touch Difficulty bearing weight or moving the hip

Diagnosis Path: Healthcare providers diagnose this condition through a combination of clinical assessment and diagnostic testing, including: - Physical examination to evaluate pain, swelling, and range of motion - Blood tests such as complete blood count (CBC) and markers of infection (e.g., erythrocyte sedimentation rate or C-reactive protein) - Imaging tests like X-rays, ultrasound, or MRI to assess joint damage - Joint aspiration, where synovial fluid is extracted for laboratory analysis to identify bacteria and confirm the infection Blood cultures and synovial fluid analysis are key in identifying the specific bacteria responsible for the infection.

Treatment Protocols: Treatment typically involves rapid intervention to eradicate bacterial infection and manage inflammation, including: - Antibiotic therapy tailored to the identified bacteria, often administered intravenously initially - Surgical intervention, such as joint drainage or debridement, in cases of significant pus accumulation or joint destruction - Pain management with medications to relieve discomfort - Rest and joint immobilization during acute phases - Physical therapy post-treatment to restore joint function and strength Early and adequate treatment is vital to prevent long-term joint damage and preserve hip function.