CirculationNovember 4, 2025Sanam Alilou, Alexandria Salib, J. Kempe et al.
Background: Around, 10% of cardiac arrest survivors report vivid Recalled Experiences of Death (RED)— heightened lucidity, visual and auditory awareness, and a perception of a purposeful life review - which positively impact the quality of survivorship. However, these experiences are often labelled as hallucinations or dream like experiences. As Natural Language Processing (NLP) - a scalable...
Studies have not explored consciousness during deep hypothermic circulatory arrest (DHCA). However, as studies in cardiac arrest have identified a spectrum of consciousness, we sought to establish the feasibility of studying consciousness during DHCA. This was a prospective study across 10 hospitals with 36 DHCA patients undergoing thoracic aortic aneurysm repair or pulmonary endarterectomy. A...
Cognitive activity and awareness during cardiac arrest (CA) are reported but ill understood. This first of a kind study examined consciousness and its underlying electrocortical biomarkers during cardiopulmonary resuscitation (CPR). In a prospective 25-site in-hospital study, we incorporated a) independent audiovisual testing of awareness, including explicit and implicit learning using a...