Cortical blindness in severe preeclampsia: computed tomography, magnetic resonance imaging, and single-photon-emission computed tomography findings.

Abstract:

BACKGROUND:Cortical blindness is a complication of severe preeclampsia, but it is unclear whether it results from cerebral vasospasm and ischemic injury or vasogenic (hydrostatic) edema due to increased capillary permeability. CASE:Reversible cortical blindness in a 33-year-old gravida 2, para 1, with severe postpartum preeclampsia after evacuation of a partial molar pregnancy at 19 weeks' gestation is presented. Initial neuroimaging studies showed hyperperfusion on head single-photon-emission computed tomography scan, which corresponded with lesions found on head computed tomography and magnetic resonance imaging scans. Follow-up neuroimaging studies 2 weeks later, by which time the patient's visual acuity had returned to normal, showed complete resolution of radiologic abnormalities. CONCLUSION:Neuroimaging studies in a woman with severe postpartum preeclampsia complicated by reversible cortical blindness showed that blindness resulted from vasogenic (hydrostatic) cerebral edema and not cerebral vasospasm.

journal_name

Obstet Gynecol

authors

Apollon KM,Robinson JN,Schwartz RB,Norwitz ER

doi

10.1016/s0029-7844(00)00878-4

subject

Has Abstract

pub_date

2000-06-01 00:00:00

pages

1017-9

issue

6 Pt 2

eissn

0029-7844

issn

1873-233X

pii

S0029784400008784

journal_volume

95

pub_type

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