S55.099

Clinical Causes: Traumatic injuries from falls, crush injuries, or direct blows to the forearm Penetrating wounds from knives, glass, or metal objects Surgical complications or iatrogenic injuries during medical procedures Sports injuries or accidents leading to a sudden impact Severe contusions or fractures that impact the vascular structures

Key Symptoms: Swelling or bulging in the forearm Pain or tenderness in the affected area Bleeding, either visible externally or internally Cold or pale affected hand or fingers due to impaired blood flow Weakness or numbness in the hand or fingers Reduced pulse in the arteries of the hand Possible signs of compartment syndrome such as severe pain and tightness in the forearm

Diagnosis Path: Diagnosis of ulnar artery injury typically involves a combination of medical history, physical examination, and imaging studies. Specific diagnostic steps include: - Physical assessment to check for swelling, pulses, and signs of bleeding - Doppler ultrasound to evaluate blood flow and detect vascular compromise - Angiography, which uses contrast dye and imaging to pinpoint the injury location and severity - X-rays if associated fractures or bone injuries are suspected Timely diagnosis is crucial to prevent complications such as tissue ischemia or significant blood loss.

Treatment Protocols: Management of ulnar artery injuries depends on the severity and location of the injury. Common treatment options include: - Compression and elevation to control bleeding and reduce swelling - Surgical repair or ligation of the damaged artery, especially if bleeding is severe or blood flow is compromised - Endovascular procedures, such as stent placement, in select cases - Treatment of associated injuries, such as fractures or nerve damage - Post-treatment monitoring for signs of blood clot formation or ongoing bleeding - Rehabilitation and physical therapy for functional recovery Early intervention often results in better outcomes and can prevent long-term disability or circulatory issues.