Posterior Reversible Encephalopathy Syndrome in Two Patients with Severe Preeclampsia

Öz Mustafa Doğan1, Sema Baghaki2, Yasemin Tekdos1, Keziban Doğan2 1University of Health Sciences Turkey, Bakırköy Sadi Konuk Research and Training Hospital, Clinic of Anesthesiology and Reanimation, İstanbul, Turkey 2University of Health Sciences Turkey, Bakırköy Sadi Konuk Research and Training Hospital, Clinic of Obstetrics and Gynecology, İstanbul, Turkey CASE REPORT Address for Correspondence: Sema Baghaki, University of Health Sciences Turkey, Bakırköy Sadi Konuk Research and Training Hospital, Clinic of Obstetrics and Gynecology, İstanbul, Turkey E-mail: semabaghaki@hotmail.com ORCID ID: orcid.org/0000-0003-3981-6069 Received: 30.06.2020 Accepted: 03.09.2020 Cite this article as: Doğan M, Baghaki S, Tekdos Y, Doğan K. Posterior Reversible Encephalopathy Syndrome in Two Patients with Severe Preeclampsia. Introduction Posterior reversible encephalopathy syndrome (PRES) was first described by Hinchey et al. (1). PRES has become a more recognized medical term due to alerting neurologic symptoms. There are readily available imaging techniques that enable clinicians to make the diagnosis. It is characterized by headaches, seizures, nausea or vomiting, vision problems due to posterior cerebral white matter edema but the syndrome is not always reversible, and it is often not confined to either the white matter or the posterior regions of the brain (2,3). The incidence of PRES is not known. The etiology of those disturbances may vary in a wide range including hypertension, kidney failure, preeclampsia/eclampsia, collagen vascular diseases, sepsis, consumption of immunosuppressive agents, etc. It is more common in women even when patients with eclampsia are excluded (1-3). As definition, preeclampsia is a systemic vascular disorder characterized by new-onset hypertension and proteinuria after 20 weeks of gestation and eclampsia is defined as a seizure occurring in association with