S65.09

Clinical Causes: Sharp or penetrating injuries, including cuts or stab wounds Crush injuries caused by heavy objects or machinery Fractures of the wrist or hand that damage the ulnar artery Sports injuries or accidents resulting in trauma to the wrist Surgical complications affecting the ulnar artery Blunt force trauma from falls or impacts

Key Symptoms: Pain, swelling, or tenderness around the wrist and hand Bleeding or hematoma (a collection of blood under the skin) Decreased blood flow leading to discoloration, such as pallor or a bluish hue of the fingers Numbness, tingling, or weakness in the hand or fingers Cold sensation or decreased temperature in the affected hand Difficulty moving or using the affected fingers or hand In severe cases, tissue death (necrosis) if blood supply is significantly compromised

Diagnosis Path: Diagnosis of a ulnar artery injury involves a physical examination by a healthcare professional, who will assess for signs of bleeding, swelling, and circulation issues. Imaging techniques such as Doppler ultrasound can evaluate blood flow and detect vessel damage. In some cases, angiography may be used to precisely locate the injury. A detailed medical history, including the circumstances of the injury, is also important. Prompt diagnosis is crucial to prevent complications like tissue loss or permanent damage.

Treatment Protocols: Treatment depends on the severity and nature of the injury. Common approaches include: - **Pressure and Immobilization:** To control bleeding and stabilize the surrounding tissues. - **Surgical Repair:** Repair or reconstruction of the damaged ulnar artery may be necessary, especially in cases of significant vessel disruption. - **Vascular Surgery Techniques:** Including ligation, bypass grafting, or vessel repair. - **Antibiotics and Wound Care:** To prevent infection. - **Monitoring:** Ongoing assessment of blood flow and tissue viability post-treatment. - **Rehabilitation:** Physical therapy may be recommended to restore movement and strength in the hand. Early medical intervention is critical to ensure the best possible outcome, prevent tissue loss, and restore hand function.