M65.142

Clinical Causes: Bacterial infections, often caused by bacteria such as Staphylococcus aureus Open cuts, puncture wounds, or lacerations near the hand that introduce infection Spread from nearby infections or skin ulcers Repetitive strain injuries leading to micro-injuries that become infected Inoculation during surgical procedures or injections

Key Symptoms: Pain and tenderness along the affected tendons of the left hand Swelling and redness around the affected area Limited or painful movement of fingers or hand Warmth over the affected region Fever and chills in more severe cases A possible sense of heaviness or stiffness in the hand

Diagnosis Path: Healthcare providers typically diagnose infective tenosynovitis based on a combination of physical examination and medical history. Key assessment elements include evaluating tenderness, swelling, and range of motion. Laboratory tests, such as blood work, can identify infection markers. Imaging modalities like ultrasound or MRI are helpful in visualizing inflammation or fluid accumulation around the tendons. Occasionally, a direct sample of fluid from the sheath may be collected for microbiological analysis to identify the causative organism.

Treatment Protocols: Management of infective tenosynovitis generally involves a combination of interventions aimed at controlling infection and preserving hand function. Standard treatment approaches include: - **Antibiotics:** Administered orally or intravenously, tailored to the identified pathogen. - **Immobilization:** Using splints or casts to limit movement and reduce strain on affected tendons. - **Aspiration or Surgical Drainage:** In cases of significant fluid accumulation or abscess formation, the fluid may be drained surgically. - **Rest and Elevation:** Keeping the hand elevated to minimize swelling. - **Physical Therapy:** After initial treatment, to restore movement and strength. Prompt and appropriate treatment is crucial to prevent complications such as tendon rupture, chronic infection, or loss of hand function.