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2017 ; 96
(29
): e7356
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Injury of optic radiation and visual field defect in a patient with aneurysmal
subarachnoid hemorrhage: A case report
#MMPMID28723747
Jang SH
; Seo JP
Medicine (Baltimore)
2017[Jul]; 96
(29
): e7356
PMID28723747
show ga
RATIONALE: Little is known about optic radiation (OR) injury following aneurysmal
subarachnoid hemorrhage (SAH). In the current study, we report on a patient who
showed a visual field defect and injury of the OR following aneurysmal SAH, using
diffusion tensor tractography (DTT). PATIENT CONCERNS: At 4 weeks from onset,
when a 62-year old female started rehabilitation, she complained of a visual
field defect. Peripheral field defects were detected on both eyes using the
Humphrey visual field test. DIAGNOSES: The patient underwent aneurysm clipping
for a ruptured aneurysm in the left posterior communicating artery and
extraventricular drainage (the left prefrontal approach) for subarachnoid
hemorrhage. She also underwent conservative management for intracerebral
hemorrhage in the left internal capsule detected at 2 days after onset.
INTERVENTIONS: DTT data were acquired at 4 weeks after onset OUTCOMES:: Regarding
DTT parameters, fiber numbers of both ORs of the patient were decreased over 2
standard deviations of that of 7 age- and sex-matched normal subjects normal
control subjects. However, the value of fractional anisotropy was similar to that
of normal control subjects. On the configuration of the OR of the patient, both
ORs were thinner than those of normal control subjects. LESSONS: Injury of the OR
was demonstrated in a patient with a visual field defect following aneurysmal
SAH, using DTT.