Journal of the neurological sciences · 2024
Spatial colocalization of imaging markers in iatrogenic cerebral amyloid angiopathy with the site of surgery: A metaanalysis.
Систематический обзорМетаанализСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Jensen-Kondering Ulf
Аннотация
INTRODUCTION: Iatrogenic cerebral amyloid angiopathy (iCAA) is a rare form of CAA. Imaging features are overlapping with spontaneous CAA. However, in iCAA imaging features have not been systematically described so far. The aim of this metaanalysis was to evaluate if any of the described imaging features showed colocalization with the initial site of surgery.
MATERIAL AND METHODS: A systematic review of the medical literature was performed. Patients with probable iCAA were included if the route of potential entry of amyloid into the CNS was unambiguous.
RESULTS: 24 patients from 19 reports could be included. 84 ICHs were reported. 11 of the first ever ICH (69%, p = 0.0498, Fisher's exact test) occurred ipsilateral to the site of the initial surgery, whereas 59% of all ICH (n = 63, p = 0.126, Fisher's exact test) occurred ipsilateral to the site of the initial surgery. No cerebellar hemorrhages (0%) were reported. In 5 of 8 patients, ipsilateral hemorrhagic and non-hemorrhagic manifestations were present before symptom onset and/or occurrence of ICH.
DISCUSSION: This metananalysis of the imaging markers of iCAA revealed a spatial colocalization of first ICH with the site of the surgery. Imaging studies with patients at risk for iCAA after exposure to lyophilized dura should be conducted.
MATERIAL AND METHODS: A systematic review of the medical literature was performed. Patients with probable iCAA were included if the route of potential entry of amyloid into the CNS was unambiguous.
RESULTS: 24 patients from 19 reports could be included. 84 ICHs were reported. 11 of the first ever ICH (69%, p = 0.0498, Fisher's exact test) occurred ipsilateral to the site of the initial surgery, whereas 59% of all ICH (n = 63, p = 0.126, Fisher's exact test) occurred ipsilateral to the site of the initial surgery. No cerebellar hemorrhages (0%) were reported. In 5 of 8 patients, ipsilateral hemorrhagic and non-hemorrhagic manifestations were present before symptom onset and/or occurrence of ICH.
DISCUSSION: This metananalysis of the imaging markers of iCAA revealed a spatial colocalization of first ICH with the site of the surgery. Imaging studies with patients at risk for iCAA after exposure to lyophilized dura should be conducted.