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Posterior reversible encephalopathy syndrome (PRES) due to acute hypertension in children: 12 years single-center experience

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Abstract

The objective of the study is to evaluate the clinical and neuroradiological findings, the risk factors for recurrence and the prognosis in patients with posterior reversible encephalopathy syndrome developed secondary to acute hypertension in children. The study was conducted between 2008 and 2019 at Mersin University Faculty of Medicine. A total of 49 episodes were evaluated retrospectively in 38 patients with PRES secondary to acute hypertension. The demographic data, etiology, and clinical and neuroradiological findings were recorded. Twenty-one (55.3%) patients were female; the mean age was 11.8 years. The etiology of acute hypertension in 29 (76.3%) patients was end-stage renal disease (ESRD). The most common clinical findings were seizure (81.6%) and altered consciousness (79.6%). Status epilepticus developed in eight (16.3%) episodes. MRI lesions were atypical in 33 episodes (67.3%). In eight (21%) patients, PRES recurred. Irreversible brain damage was detected after PRES in three (7.8%) patients. C-reactive protein and erythrocyte sedimentation rate were elevated in 82.2% and 71.4% of the episodes, respectively. A statistically significant relationship was found between the recurrence, the duration of hospitalization at the PICU, SE and the occurrence of irreversible lesion (p = 0.013, p = 0.015, p = 0.001 respectively). Also, there were statistically significant relationships between recurrence and ESRD; epilepsy and recurrences; SE and irreversible brain damage (p = 0.02, p = 0.012, p = 0.025 respectively). Although PRES is usually known to have a good prognosis, the mortality and morbidity rates may increase in the long-term follow-up as in our study. In this study, the etiology, the presence of status epilepticus, PICU history, atypical MRI lesions and increased inflammatory markers were found to be important for the prognosis in PRES.

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Authors and Affiliations

  1. Department of Pediatric Neurology, Faculty of Medicine, Mersin University, 33010, Yenisehir/Mersin, Turkey

    Mustafa Komur, Meltem Direk & Cetin Okuyaz

  2. Department of Radiology, Faculty of Medicine, Mersin University, Mersin, Turkey

    Anil Ozgur

  3. Department of Pediatric, Faculty of Medicine, Mersin University, Mersin, Turkey

    Ali Delibas, Gulcin Bozlu & Mehmet Alakaya

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  1. Mustafa Komur
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  2. Anil Ozgur
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  3. Ali Delibas
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  4. Gulcin Bozlu
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  5. Mehmet Alakaya
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  6. Meltem Direk
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  7. Cetin Okuyaz
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Correspondence to Mustafa Komur.

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Komur, M., Ozgur, A., Delibas, A. et al. Posterior reversible encephalopathy syndrome (PRES) due to acute hypertension in children: 12 years single-center experience. Acta Neurol Belg 121, 1583–1589 (2021). https://doi.org/10.1007/s13760-020-01423-1

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  • DOI: https://doi.org/10.1007/s13760-020-01423-1

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