ABSTRACT
Brain embolisms in younger persons are rare but are often caused by a paradoxical
embolism, the embolic entry of a venous thrombus into the systemic circulation through
a right-to-left shunt. A 27-year-old pregnant woman presented with hemiplegia that
had been treated with an antiplatelet agent since the occurrence of a paradoxical
brain embolism via the pulmonary arteriovenous fistula. A tendency of hypercoagulation
is generally observed during pregnancy, so a patient with this condition has a strong
risk factor for venous thromboembolism during pregnancy and even more so for arterial
thromboembolism under the intense strain of labor, which is much stronger than that
of the Valsalva maneuver. This case had been controlled well with an antiplatelet
agent and an anticoagulant while the levels of coagulation and fibrinolytic factors
were monitored and was followed by a successful pregnancy outcome.
KEYWORD
Paradoxical embolism - brain embolism - pregnancy - transesophageal echocardiography
(TEE) - transcranial Doppler (TCD)