Risk factors of posterior reversible encephalopathy syndrome in patients with preeclampsia or eclampsia: A retrospective review

Demir, Tulin Gesoglu and Cekic, Murat and Agircan, Dilek and Ethemoglu, Ozlem and Sak, Sibel (2024) Risk factors of posterior reversible encephalopathy syndrome in patients with preeclampsia or eclampsia: A retrospective review. IDEGGYOGYASZATI SZEMLE / CLINICAL NEUROSCIENCE, 77 (7-8). pp. 247-254. ISSN 0019-1442

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Abstract

Background and purpose – Posterior reversible encephalopathy syndrome (PRES) is characterized by vasogenic edema, usually reversible, with the prominent involvement of the parietal and occipital lobes. The exact etiopathogenesis leading to PRES is unknown. Because signs of eclampsia and preeclampsia in neuroimaging often overlap and manifest as PRES, we aimed to evaluate whether demographic, clinical, and laboratory parameters predict PRES in patients with preeclampsia or eclampsia. Methods – 213 pre-eclampsia or eclampsia patients with cranial imaging were retrospectively examined. We recorded the patients’ demographic information, systolic blood pressure (SBP), diastolic blood pressure (DBP), mean arterial pressure (MAP), hemogram, biochemical indicators, clinical symptoms, and imaging features. Results – Of all patients, 69% (n = 147) had preeclampsia while 31% (n = 66) had eclampsia, and 24.4% (n = 53) were diagnosed with PRES. The mean age of patients who developed PRES was 25.81 ± 6.07 years and thus significantly less than that of patients who did not develop PRES (p = .000). Patients with PRES had significantly higher mean SBP (p = .015), DBP (p = .009), and MAP (p = .003) than patients without PRES, along with significantly higher aspartate aminotransferase (ASAT; p = .001), alanine aminotransferase (ALAT; p = .001) blood urea nitrogen (BUN; p = .001), white blood cell (WBC; p = .003), neutrophil (p = .001), and hemoglobin (Hb; p = .027) levels, but significantly lower albumin (p = .000) levels. Conclusion – Age, high blood pressure, and BUN, neutrophil, and WBC levels were predictors of the development of PRES in patients with preeclampsia and eclampsia. Early neuroimaging considering those predictors should be performed to diagnose PRES in patients with preeclampsia and eclampsia.

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