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Erschienen in:

08.02.2022 | Original work

Posterior Reversible Encephalopathy in Sepsis-Associated Encephalopathy: Experience from a Single Center

verfasst von: Günseli Orhun, Serra Sencer, Erdem Tüzün, Nerses Bebek, Perihan Ergin Özcan, Mehmet Barburoğlu, Mehmet Güven Günver, Figen Esen

Erschienen in: Neurocritical Care | Ausgabe 2/2022

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Abstract

Background

Sepsis-associated encephalopathy (SAE) is frequently encountered in sepsis and is often accompanied by neuroimaging findings indicating ischemia, hemorrhage, and edema. Posterior reversible encephalopathy syndrome (PRES) has been vastly underrecognized in previously reported cohorts of patients with sepsis and SAE. Our aim was to determine the prevalence and distinguishing clinical, neuroimaging, and electroencephalography features of PRES in SAE.

Methods

In this prospective observational study, patients with radiologically identified PRES were selected from a consecutively enrolled cohort of 156 patients with SAE and assessed for neurological outcome using the extended Glasgow Outcome Scale for 12 months. Patients with SAE and PRES and other types of brain lesions were compared in terms of clinical and diagnostic workup features.

Results

Fourteen of 156 patients (8.9%) were determined to be radiologically compatible with PRES, whereas 48 patients displayed other types of acute brain lesions. Patients with PRES often showed lesions in atypical regions, including frontal lobes, the corpus callosum, and the basal ganglia. Source of infection was mostly gram-negative bacteria originating from pneumonia or intraabdominal infections. Patients with PRES were not different from other patients with SAE with brain lesions in terms of features of sepsis and neurological outcome. However, patients with PRES showed increased prevalence of seizures and intraabdominal source of infection.

Conclusions

PRES is highly prevalent in SAE, often encompasses unusual brain regions, and usually presents with generalized seizures. Patients with SAE and PRES do not appear to have distinguishing clinical and diagnostic workup features. However, generalized seizures may serve as warning signs for presence of PRES in patients with SAE.

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Titel: Posterior Reversible Encephalopathy in Sepsis-Associated Encephalopathy: Experience from a Single Center
verfasst von: Günseli Orhun
Serra Sencer
Erdem Tüzün
Nerses Bebek
Perihan Ergin Özcan
Mehmet Barburoğlu
Mehmet Güven Günver
Figen Esen
Publikationsdatum: 08.02.2022
Verlag: Springer US
Erschienen in: Neurocritical Care / Ausgabe 2/2022
Print ISSN: 1541-6933
Elektronische ISSN: 1556-0961
DOI: https://doi.org/10.1007/s12028-021-01433-8

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