M71.162

Clinical Causes: Bacterial infection due to direct entry from a wound or cut near the knee. Spread of infection from nearby skin or soft tissue infections. Repeated trauma or overuse leading to bursa inflammation and subsequent infection. Infection associated with pre-existing skin conditions such as boils or abscesses. Complication from invasive procedures or injections into the knee area.

Key Symptoms: Localized swelling and tenderness around the knee. Redness and warmth over the affected area. Pain that worsens with movement or pressure. Restricted range of motion in the knee joint. Fever and chills in cases of systemic infection. Possible fluid buildup that may be visible or palpable.

Diagnosis Path: Diagnosis typically involves a clinical examination where a healthcare provider assesses signs of swelling, redness, and tenderness. Imaging studies such as ultrasound or MRI can help visualize the inflamed bursa. Aspiration of joint fluid for laboratory analysis is often performed to identify the infectious agent, determine antibiotic sensitivity, and confirm the diagnosis. Blood tests may also support diagnosis by revealing signs of systemic infection or inflammation.

Treatment Protocols: Management of infective bursitis of the left knee involves multiple approaches. Antibiotic therapy is the cornerstone, tailored based on the causative bacteria identified through fluid analysis. In some cases, drainage of the infected bursa may be necessary to remove pus and reduce pressure. Rest and immobilization of the knee help minimize irritation. Nonsteroidal anti-inflammatory drugs (NSAIDs) may be recommended for pain relief. Severe or persistent cases might require surgical intervention to remove the inflamed bursa or to address underlying issues, along with ongoing follow-up to monitor recovery.