Does Erythropoietin Improve Consciousness in Severe Hypoxic Encephalopathy?
Abstract
Background: Although the effect of Erythropoietin (EPO) in neonatal and animal model of hypoxic ischemic encephalopathy has been previously reported, its effect on comatose patients in adult human has yet to be investigated.
Methods: This study was designed to find the effect of intravenous administration of EPO on the recovery from coma in the adult patients with Cardiac Arrest (CA)-induced hypoxic ischemic encephalopathy. This randomized controlled trial study was performed on 60 CA patients who survived Cardiopulmonary Resuscitation (CPR) from April 2011 to Nov 2020. The patients were randomly divided into two equal groups including the control, received normal saline, and the EPO groups, and demographic data were recorded. The EEG and Glasgow Coma Scale (GCS) were recorded on hours 6, 12, 24, and 48 post-success CPR and interpreted by an expert neurologist. Magnetic Resonance Imaging (MRI) was done at 24 and 72 hr of post-CPR and interpreted by an expert radiologist. All patients were checked twice daily by an expert cardiologist.
Results: 60 patients were included in this study. There was no significant difference between two groups in terms of demographic data. There was also no significant difference between two groups in terms of GCS and EEG at all post-CPR interval times. No significant difference was observed between both groups with respect to the frequency of pre-existing and metabolic acid-base disorders.
Conclusion: The intravenous administration of EPO has no effect on the recovery from coma in the adult patients with CA-induced hypoxic ischemic encephalopathy.