M65.04

Clinical Causes: Bacterial infections, often resulting from cuts, puncture wounds, or crush injuries to the hand. Spread of infection from nearby skin or soft tissue infections. Injury that introduces bacteria directly into the tendon sheath. Inadequate wound care leading to bacterial growth. Pre-existing health conditions that compromise immunity, increasing infection risk.

Key Symptoms: Pain and tenderness in the affected area, often severe and worsening with movement. Swelling and redness around the affected tendon sheath. Restricted movement of the fingers or hand due to pain and swelling. Warmth over the affected area. Possible formation of a visible or palpable lump filled with pus. Fever or chills in severe cases indicating systemic infection.

Diagnosis Path: Diagnosis typically involves a physical examination to observe signs of swelling, redness, and tenderness. The healthcare provider may also perform imaging studies such as ultrasound or MRI to assess the extent of infection and confirm abscess formation. In some cases, blood tests may be ordered to evaluate for infection spread or systemic response. A sample of the pus may be taken for laboratory analysis to identify the causative bacteria and determine the most effective treatment plan.

Treatment Protocols: Treating an abscess of the tendon sheath generally requires medical intervention. The main approaches include: - **Surgical drainage:** The primary treatment involves making an incision to remove the accumulated pus, reduce pressure, and clear the infection. - **Antibiotic therapy:** Antibiotics are prescribed to eliminate the infection, often following drainage. The choice of antibiotic depends on the bacteria identified and local resistance patterns. - **Pain management:** Analgesics may be recommended to ease discomfort. - **Careful wound management:** Proper wound cleaning, dressing, and restrictions on movement help promote healing and prevent re-infection. - **Monitoring and follow-up:** Regular check-ups ensure effective healing and early detection of any complications. In severe cases, prolonged treatment or additional surgical procedures may be necessary, especially if the infection has spread or caused damage to the tendon or surrounding tissues.