M00.14

Clinical Causes: Bacterial infection: The primary cause is the spread of Streptococcus pneumoniae bacteria to the joints through the bloodstream. Pre-existing infections: Pneumococcal bacteria may invade the joint following infections elsewhere in the body, like pneumonia or ear infections. Weakened immune system: People with compromised immune defenses are at higher risk of developing this type of arthritis. Trauma or injury: An injury to the hand can sometimes create an entry point for bacteria. Age-related vulnerability: Older adults have a greater chance of developing pneumococcal infections. Chronic illnesses: Conditions like diabetes or rheumatoid arthritis may increase susceptibility.

Key Symptoms: Joint pain: Usually sudden and severe, located in the hand’s metacarpal and phalangeal joints. Swelling: The affected joints may become visibly swollen and tender. Redness and warmth: Skin around the affected joints may appear red and feel warm to touch. Limited mobility: Movement of the fingers or hand can become painful and restricted. Fever: A systemic sign of infection, often accompanied by chills. General malaise: Feelings of fatigue, weakness, or unwellness.

Diagnosis Path: Medical history: The healthcare provider reviews symptoms, recent infections, or injuries. Physical examination: Checking for swelling, redness, warmth, and range of motion in the hand joints. Blood tests: To detect signs of infection and inflammation, including elevated white blood cell count. Joint fluid analysis: A sample of fluid from the affected joint is examined to identify bacteria, often using microscopy and cultures. Imaging studies: X-rays or MRI scans can reveal joint damage, swelling, or other abnormalities.

Treatment Protocols: Antibiotic therapy: Targeted antibiotics are administered to eliminate Streptococcus pneumoniae bacteria. Treatment duration varies depending on severity. Rest and immobilization: Limiting movement of the affected hand to reduce pain and prevent further damage. Pain relief: Nonsteroidal anti-inflammatory drugs (NSAIDs) may be used to ease discomfort and inflammation. Drainage of joint fluid: In some cases, removing excess fluid from the joint can relieve pressure and improve function. Physical therapy: Gentle exercises and therapies to restore movement and strengthen the hand after infection control. Surgical intervention: Rarely, surgery may be necessary to remove damaged tissue or repair joints in severe cases.