| 19014009 |
Santangeli P, Sestito A: Acute left atrial thrombosis during anticoagulant therapy in a patient with antithrombin deficiency. Nat Clin Pract Rheumatol. 2009 Mar;5(3):160-70.
A 47-year-old woman presented to our clinic 1 day after an intervention for a tibial shaft fracture because of sudden onset of chest pain and palpitations. Hospital drug therapy included enoxaparin. The ECG showed atrial fibrillation with a rapid ventricular rate. Transthoracic echocardiography showed a mass in the LA. Transoesophageal echocardiography (TEE) was performed which showed a multilobulated liquid-filled mass (3.6 x 3.7 cm), adherent to the septal, anterior and posterolateral LA most consistent with thrombosis. Tests for hypercoagulable disorders revealed antithrombin deficiency (antithrombin-heparin co-factor level = 30% [normal pooled plasma activity 70%-140%]), suggesting that it played an outstanding role in the LA thrombosis. After initial stabilization, the patient was discharged with warfarin (target INR = 2.5-3.5) together with beta-blockers, statins and metformin. After 1 month of follow-up the patient underwent TEE which showed a dramatic reduction of the left atrial thrombosis. Our patient is doing well and is continuing life-long anticoagulant therapy. |
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