Journal of stroke and cerebrovascular diseases : the official journal of National Stroke Association · 2023
Ischemic cerebrovascular complications with initial presentation of genetic atypical hemolytic uremic syndrome.
Клинический случайСтатьяНазвание и аннотация: Перевод в очереди
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Sokola Maria, Toljan Karlo, Almoushref Allaa, Khawaja Zeshaun, Ashour Tarek
Аннотация
BACKGROUND: Atypical hemolytic uremic syndrome (aHUS) is a rare disease, with scarce reports of neurologic manifestations in the acute setting. Ischemic cortical infarcts concurrently with aHUS presentation have not been described in adult patients.
CASE DESCRIPTION: A 46-year-old male presented with acutely declining mental status and progressive weakness, in the setting of longstanding hypertension and known type B aortic dissection. Urgent neuroimaging showed bilateral multifocal multiterritorial ischemic infarcts, concerning for an embolic source or hypercoagulable state. Systemic workup was notable for microangiopathic hemolytic anemia and acute kidney injury. Empiric plasmapheresis was initiated for presumed thrombotic thrombocytopenic purpura. Broad workup did not support such a diagnosis, and kidney biopsy showed findings compatible with aHUS. Additional blood testing showed increased complement pathway activity. Shiga toxin was negative, and overall clinical picture fit with aHUS as diagnosis. Treatment with complement inhibitor was started and patient gradually recovered. Genetic testing confirmed a pertinent pathogenic mutation, CFHR1 homozygous deletion.
CONCLUSION: Acute multifocal multiterritorial ischemic infarcts and systemic thrombotic microangiopathy may be a manifestation of aHUS, and with associated genetic mutation, even in adult population.
CASE DESCRIPTION: A 46-year-old male presented with acutely declining mental status and progressive weakness, in the setting of longstanding hypertension and known type B aortic dissection. Urgent neuroimaging showed bilateral multifocal multiterritorial ischemic infarcts, concerning for an embolic source or hypercoagulable state. Systemic workup was notable for microangiopathic hemolytic anemia and acute kidney injury. Empiric plasmapheresis was initiated for presumed thrombotic thrombocytopenic purpura. Broad workup did not support such a diagnosis, and kidney biopsy showed findings compatible with aHUS. Additional blood testing showed increased complement pathway activity. Shiga toxin was negative, and overall clinical picture fit with aHUS as diagnosis. Treatment with complement inhibitor was started and patient gradually recovered. Genetic testing confirmed a pertinent pathogenic mutation, CFHR1 homozygous deletion.
CONCLUSION: Acute multifocal multiterritorial ischemic infarcts and systemic thrombotic microangiopathy may be a manifestation of aHUS, and with associated genetic mutation, even in adult population.