M00.011

Clinical Causes: Bacterial Infection: The primary cause is the invasion of the shoulder joint by Staphylococcus bacteria, which can originate from an infected wound or other sites of infection in the body. Bloodstream Spread: Bacteria can enter the bloodstream (bacteremia) and travel to the shoulder joint, leading to infection. Direct Trauma: Injury to the shoulder or surgery involving the joint can introduce bacteria directly into the joint space. Weakened Immune System: Individuals with compromised immune systems are more susceptible to bacterial infections, including those affecting the shoulder.

Key Symptoms: Severe shoulder pain, especially with movement or touch Swelling and warmth around the shoulder joint Limited range of motion due to pain and swelling Redness over the affected area Fever and chills, indicating systemic infection General feeling of illness, fatigue, or malaise

Diagnosis Path: Diagnosis typically involves a combination of medical history assessment, physical examination, and diagnostic tests. Key procedures include: - Blood tests to detect infection markers and bacteria - Imaging studies such as X-ray, ultrasound, or MRI to assess joint damage - Joint aspiration: extracting fluid from the shoulder joint for laboratory analysis to identify the bacteria involved - Microbiological cultures to confirm the presence of Staphylococcus bacteria Prompt diagnosis is vital to initiate effective treatment and prevent further joint damage.

Treatment Protocols: Treatment aims to eradicate the infection and manage symptoms. Common approaches include: - Antibiotics: Intravenous or oral antibiotics targeted against Staphylococcus bacteria - Joint Drainage: Removing infected fluid from the shoulder joint via aspiration or surgical procedures - Rest and Immobilization: Protecting the shoulder from movement that could worsen inflammation - Pain Management: Use of analgesics to alleviate discomfort - Surgery: In some cases, surgical intervention may be necessary to remove infected tissue or repair joint damage Early and aggressive treatment is essential to control the infection and preserve joint function.