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1.
Am Surg ; 89(9): 3908-3910, 2023 Sep.
Article in English | MEDLINE | ID: mdl-37171974

ABSTRACT

A patent foramen ovale (PFO) is present in 27-35% of the population. Right to left cardiac shunts predispose patients to arterial emboli in the presence of venous thromboembolisms. Paradoxical embolus should be suspected in patients with deep venous thrombosis (DVT) and arterial emboli. A 45-year-old man with hypercoagulability and history of DVT presented with a week-long history of chest pain, shortness of breath, and left arm numbness. Imaging showed a saddle pulmonary embolus (PE) and emboli involving the aortic arch, left common carotid, and left subclavian artery. The patient proceeded with an endovascular thrombectomy of the pulmonary artery, followed by open thrombectomy. Echocardiogram confirmed a right to left intra-cardiac shunt consistent with a PFO. Paradoxical emboli are rare manifestations of venous thromboemboli in patients with right to left intra-cardiac shunts. Patients should be evaluated for these to help prevent further manifestations.


Subject(s)
Embolism, Paradoxical , Foramen Ovale, Patent , Pulmonary Embolism , Venous Thrombosis , Male , Humans , Middle Aged , Subclavian Artery/diagnostic imaging , Pulmonary Embolism/etiology , Foramen Ovale, Patent/complications , Foramen Ovale, Patent/diagnostic imaging , Foramen Ovale, Patent/surgery , Echocardiography , Embolism, Paradoxical/complications , Embolism, Paradoxical/diagnosis
2.
Am Surg ; 89(9): 3915-3916, 2023 Sep.
Article in English | MEDLINE | ID: mdl-37204767

ABSTRACT

Phlegmasia alba dolens is a rare sequela of acute extensive venothrombus of the iliofemoral segments. Rarely, phlegmasia alba dolens can also result from clotted inferior vena cava filter. A 39-year-old with protein S deficiency, and prior inferior vena cava filter placement after remote trauma presented to the emergency department with progressive bilateral lower extremity pain and swelling. Venous duplex revealed extensive bilateral deep vein thromboses from the external iliac veins to popliteal veins, as well as thrombophlebitis of the left great saphenous vein. Venography confirmed patency of the suprarenal vena cava with abrupt occlusion of the infrarenal segment at the level of the inferior vena cava filter. The filter was removed followed by endovascular thrombectomy and adjunctive venoplasty. The patient progressed well and discharged on therapeutic anticoagulation. This case illustrates that a staged endovascular approach may be utilized for acute on chronic caval thrombosis and filter removal.


Subject(s)
Thrombophlebitis , Vascular Diseases , Vena Cava Filters , Venous Thrombosis , Humans , Adult , Vena Cava Filters/adverse effects , Thrombophlebitis/diagnostic imaging , Thrombophlebitis/etiology , Thrombophlebitis/therapy , Venous Thrombosis/diagnostic imaging , Venous Thrombosis/etiology , Venous Thrombosis/surgery , Thrombectomy/adverse effects , Vena Cava, Inferior/diagnostic imaging
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