Patient State Index During a Cardiac Arrest in the Operating Room

Abstract

A 53-yr-old man undergoing laparoscopic cholecystectomy experienced cardiac arrest intraoperatively. Patient state index values decreased to single digits during the cardiac arrest and returned to baseline after successful cardiopulmonary resuscitation.

Electroencephalography during Out-of-hospital Cardiopulmonary Resuscitation

“…And different cases of successful EEG-based cerebral neuromonitoring during CPR with external chest compressions as well as internal cardiac massages have been reported (2)(3)(4)(5)(6)(7). As most of these recordings were not accompanied by simultaneous raw EEG recordings, the devices might have misinterpreted the mechanical artifact caused by chest compressions.…”

“…In the last few years, various attempts have been described to use electroencephalography (EEG)-based cerebral neuromonitoring to assess the effectiveness of cardiopulmonary resuscitation (CPR) with internal as well as external chest compressions (2)(3)(4)(5)(6)(7)(8)(9)(10).…”

Prediction of Neurological Outcome Using Bispectral Index Monitoring in Patients with Severe Ischemic-Hypoxic Brain Injury Undergoing Emergency Surgery

“…Other processed electroencephalogram monitoring devices may also have a role in the prediction of outcome after brain injury. 38,39 Some nonsurvivors may have had satisfactory brain function but succumbed to other injuries. In such cases, the presence of pupillary responses or normal BIS could not be expected to predict death from unrelated causes.…”

Monitoring the quality of cardiopulmonary resuscitation

“…There are a number of case reports using variations of electro-encephalography (EEG) monitoring during cardiac arrests [45][46][47]. One case series of 15 adenosineinduced intraoperative cardiac arrests demonstrated a rapid decline in all spectral frequencies of the EEG, which were linearly related to the duration of cardiac arrest, paralleled significant reductions in arterial pressure, and returned to baseline within 5 min of the arrest [48 ].…”