324. Case Report: Silent Compression Until it Becomes Salient – Boston University

CardioNerds co-founder Dr. Dan Ambinder joins Dr. Abdelrhman Abumoawad, Dr. Leili Behrooz from the Boston University Vascular Medicine over hot chocolate in Boston. They discuss two interesting cases of lower extremity edema caused by May-Thurner syndrome. Dr. Naomi Hamburg (Professor of Vascular Medicine and Cards at BU/BMC) provides the ECPR for this episode. Audio editing by CardioNerds Academy Intern, Dr. Akiva Rosenzveig.

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Case Synopses - May-Thurner syndrome

Case 1: A 34-year-old woman with HIV on HAART presenting with left leg swelling and non-healing new foot ulcer for 3 months. She works as a cashier. On exam, her BMI is 35 kg/m2 and there are intact pulses bilaterally. Her left leg has varicose veins in the territory of the great saphenous vein, hyperpigmentation, edema, and a foot ulcer. Her right leg appears normal. Venous Duplex ultrasonography showed chronic partially occlusive thrombus in the left common femoral and profunda femoral veins and decreased doppler respiratory variation on the left side. She was treated with debridement and compression therapy for ulcer healing. She was referred to vascular surgery and underwent contrast venography that demonstrated collateral circulation from the left lower extremity (LE) to the right lower extremity, and stenotic lesion at the left common iliac vein (LCIV). She was diagnosed with May-Thurner syndrome, and a venous stent was placed, and the patient was started on aspirin 81 mg daily for 6 months.

Case 2: A 71-year-old man presented with left lower extremity pain and edema. He underwent a left lower extremity venous Duplex ultrasound that showed chronic thrombus in the left proximal to distal femoral vein and acute thrombus in the left popliteal vein and was started on anticoagulation (AC). The patient was also having palpitations and was found to have paroxysmal atrial fibrillation. He underwent pulmonary vein isolation during which it was noted that his...