Four days after C-Section the patient complained about dyspnoea,

Four days after C-Section the patient complained about dyspnoea, CT-scan of the thorax and ultrasound of the deep veins of the leg showed pulmonal artery embolism after deep vein thrombosis. Hematological testing

showed no dysfunction of the blood clotting or vasculitis associated antibodies. Anticoagulation was immediately initiated with i.v. heparin. Overlapping oral anticoagulation with phenoprocuomon was started. Due to the generalised tonic–clonic seizure a neurologist was consulted. Physical examination showed no deficit of the cranial nerve function, the motor function, the sensibility, the coordination or the reflexes. No headache was reported. A MRI scan of the brain was done with a TOF angiography. The angiography showed stenosis of the Avasimibe concentration distal A. basilaris and of the left A. cerebri media and stenosis with lower degree

of the right A. cerebri media and of the left Venetoclax A. cerebri anterior. There was also a small infarction in the left A. cerebri anterior territory and no signs for sinus thrombosis or cerebral edema (Fig. 1). One month later the MRI-angiography showed no stenosis of the cerebral vessels (Fig. 2), another MRI 6 months after the onset also showed no stenosis of the cerebral vessels (Fig. 3). Transcranial ultrasound showed decreasing peak systolic flow over the time (Table 1). Retrospectively, with the findings from the MRI-scans and the ultrasound examination diagnosis of reversible cerebral vasoconstriction syndrome was verified. Due to the benign course Ergoloid of disease we did not start any specific medical treatment.

Transcranial color coded ultrasound is a good and safe technique in diagnosing reversible vasoconstriction syndrome and in monitoring the course of disease. The main difficulty in this disease is to distinguish between reversible vasoconstriction syndrome and other vascular diseases of the central nerve system especially cerebral angiitis. Of course vascular imaging, e.g. with MRI is necessary. Cerebral reversible vasoconstriction syndrome seems to be diagnosed insufficiently. On the other hand the more frequent use of non invasive cerebral vascular imaging as well as the more frequent use of vasoactive drugs may increase the number seen in daily practice. Although in our reported case no headache was reported, thunderclap headache is one of the typical symptoms. Therefore the reversible vasoconstriction syndrome should be considered in differential diagnosis of thunderclap headache. Women with an acute neurological deficit after birth or a Ceasarean section need a transcranial color-coded duplex sonography to detect cerebral vasoconstriction syndrome as soon as possible.

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