S35.495

Clinical Causes: Traumatic accidents, such as car or bicycle crashes Blunt force injuries during contact sports Penetrating injuries like stab or gunshot wounds Surgical complications during abdominal procedures Spontaneous rupture due to underlying vessel weakness or disease

Key Symptoms: Flank pain or tenderness on the affected side Swelling or a palpable mass in the flank area Hematuria, or blood in the urine Signs of internal bleeding such as dizziness or low blood pressure Possible signs of kidney impairment, including decreased urine output

Diagnosis Path: Diagnosing an injury to the left renal vein typically involves a combination of medical history review, physical examination, and imaging studies. Confirmatory tests may include: - **Ultrasound**: To assess blood flow and detect abnormalities - **Computed Tomography (CT) scan**: Provides detailed images of the kidney and associated vessels - **Magnetic Resonance Angiography (MRA)**: Used to evaluate the vascular structures without invasive procedures - **Venography**: An invasive procedure to directly visualize the vein Medical professionals consider the injury’s severity and associated injuries when planning further testing and treatment.

Treatment Protocols: Management of injuries to the left renal vein varies based on the injury’s extent and associated conditions. Treatment options include: - **Conservative management**: In minor injuries, observation, bed rest, and close monitoring may suffice. - **Endovascular procedures**: Such as stenting or embolization to restore vessel patency or control bleeding. - **Surgical intervention**: Required in severe cases involving significant bleeding, vessel tearing, or kidney damage. Procedures may include vein repair, partial nephrectomy, or nephrectomy. - **Supportive care**: Includes blood transfusions, fluids, and pain management. Early diagnosis and appropriate intervention are essential to prevent complications like kidney loss, ongoing bleeding, or infection.