Paget-Schroetter Syndrome and Pulmonary Thromboembolism: Clinical Follow-up Over 5 years

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A scaffold constructor lost consciousness at work, leading to emergency admission to our hospital. He had noted gradual worsening of exertional dyspnea over the previous 1 month. Chest radiography showed localized oligemia and enlarged hilar vessels. Pulmonary perfusion scintigraphy confirmed the existence of multiple perfusion defects, so a diagnosis of pulmonary thromboembolism was made. Upper and lower limb venography disclosed interruption of the right subclavian vein (so-called Paget-Schroetter syndrome). However, there was no difference in appearance between the right and left upper extremities. Five years after starting anticoagulant therapy, his symptoms have resolved, but serial perfusion scintigraphy and upper extremity venography revealed the persistence of abnormalities. In patients with pulmonary thromboembolism, lifestyle factors (especially heavy manual labor) should be considered and the possibility of subclavian vein thrombosis should be kept in mind.