S85.15

Clinical Causes: Trauma from direct impact, such as during sporting activities, falls, or accidents involving blunt or penetrating injury Surgical complications or during medical procedures involving the lower leg Lacerations or cuts from sharp objects like knives, glass, or machinery Crush injuries resulting from heavy objects or machinery Complications from fractures of the tibia that might damage the artery

Key Symptoms: Pain at the site of injury, possibly severe Swelling and bruising in the lower leg Visible bleeding or hematoma Decreased or absent pulse in the dorsalis pedis artery, which is a branch of the anterior tibial artery Numbness or tingling in the foot or toes Coldness or pallor of the affected limb, indicating compromised blood flow Difficulty moving the foot or toes

Diagnosis Path: Diagnosing an injury to the anterior tibial artery involves a combination of physical examination and imaging studies. Healthcare providers may perform pulse checks and look for signs of compromised blood flow. Imaging techniques such as Doppler ultrasound, computed tomography angiography (CTA), or magnetic resonance angiography (MRA) can help visualize the injury, identify bleeding sources, and assess the extent of damage. In some cases, a physical assessment combined with pulse oximetry or ankle-brachial index (ABI) testing can provide additional insights into circulation status.

Treatment Protocols: Treatment for an injury to the anterior tibial artery aims to control bleeding, restore adequate blood flow, and repair the vessel. Approaches may include: - **Initial management:** Applying pressure to control bleeding, immobilizing the limb, and elevating to reduce swelling. - **Surgical intervention:** Emergency surgery to repair or bypass the damaged artery, which could involve suturing, grafting, or advanced endovascular techniques. - **Post-surgical care:** Monitoring for signs of re-bleeding, infection prevention, and managing pain. - **Rehabilitation:** Physical therapy to restore movement and strength once the injury heals. - **Follow-up:** Regular assessments to ensure proper healing and function, and to prevent complications such as blood clots or tissue death.