Anatomic Relationship Of the Popliteal Vessels In Open Wedge Osteotomy

Inclusion Criteria: * age 30-60 * BMI less than 40 * isolated medial compartment OA * mild to moderate degree OA Grade 2 to 3 according to kellgren\&Lawrence classification * near normal lateral and patellofemoral compartment * intact lateral meniscus * varus malalignment less than 15 degree * functional range of motion Exclusion Criteria: * inflammatory arthritis * post traumatic arthritis * patients with previous peripheral arterial injury * disease or prior insertion of metallic stent in the PV * patient allergic to contrast agent * patient with renal impairement * Patients who refuse to participate in the study * Patients who are not available for follow up