Right Ventricular Thrombosis Combined With Fetal Death and Acrocyanosis in Pregnancy
Prepartum or postpartum right ventricular thrombosis (RVT) is an exceedingly rare and potentially lethal phenomenon in pregnancy. We here report a case of a pregnant patient with near term pregnancy admitted for dyspnea, amniotic fluids discharge and labor pain in a gynecology center that an eight-month dead fetus was diagnosed and delivered vaginally by induction. A post delivery period was complicated by aggravation of her dyspnea and pleuritic chest pain that she referred for further evaluation in our cardiac center. Physical exam revealed normal head and neck exam, and history taking revealed that her fetus had intra-uterine growth failure as reported by her gynecologist. Chest exam except to left lung crackle was normal. Lower and upper left extremities were normal. However, acrocyanosis was found in tips of 4 and 5th right-hand digits. Chest x-ray revealed some linear consolidation in left lower lung lobes, and the precordial exam was normal. ECG was normal. Post delivery transthoracic echocardiography (TEE) showed a 1.5×1.5 cm mobile right ventricular clot. C-T angiography revealed obstruction of left upper lung pulmonary artery branches. Complete thrombophilia assay showed the presence of high titer of antiphospholipid, anticardiolipin antibody, and β1 glycoprotein antibody. However, others test were normal. The patient was scheduled for cardiac surgery, and her hemodynamic was monitored by left radial artery line and central pressure venous line, and thrombus was removed from the right ventricle (RV), and subsequent anticoagulation therapy constituted. Six-month follow-up revealed no recurrence of thrombus and recovery of patient’s symptoms.
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