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Presence of electroencephalogram burst suppression in sedated, critically ill patients is associated with increased mortality

Paula L. Watson, Ayumi K. Shintani, Richard Tyson, Pratik P. Pandharipande, Brenda T. Pun, E Wesley Ely
2008 Critical Care Medicine  
Burst suppression occurred in 49 of 125 patients (39%).  ...  For analysis, the patients were divided into those with burst suppression (49 of 125, 39%) and those without burst suppression (76 of 125, 61%).  ...  They had no role in the study design, data collection, data analysis, preparation, write up, or approval of this manuscript. Dr.  ... 
doi:10.1097/ccm.0b013e318186b9ce pmid:19020432 pmcid:PMC3768119 fatcat:vdxstvuqonftxbrr23kmoc7nlq

Spectral Content of Electroencephalographic Burst-Suppression Patterns May Reflect Neuronal Recovery in Comatose Post-cardiac Arrest Patients

Krithiga Sekar, Nicholas D. Schiff, Douglas Labar, Peter B. Forgacs
2018 Journal of clinical neurophysiology  
To assess the potential biologic significance of variations in burst-suppression patterns (BSPs) after cardiac arrest in relation to recovery of consciousness.  ...  In a subsample of patients with BSP (n = 14), spectral content of burst and suppression periods were quantified using multitaper method. Burst-suppression pattern was seen in 45/73 (61%) patients.  ...  Acknowledgements: Conflicts of Interest and Source of Funding: None of the authors has any conflict of interest to disclose.  ... 
doi:10.1097/wnp.0000000000000536 pmid:30422916 pmcid:PMC6399070 fatcat:25xvwrrcrfgffjqp6eedxg55li

Coupled oscillators for modeling and analysis of EEG/MEG oscillations

Lutz Leistritz, Peter Putsche, Karin Schwab, Wolfram Hesse, Thomas Süße, Jens Haueisen, Herbert Witte
2007 Biomedical Engineering  
Parameters of a complete model might be utilized as analysis parameters (example 3, EEG burst patterns in sedated patients).  ...  If changes in sedation depth result in differences in burst pattern, such changes should be visible in parameter alterations.  ... 
doi:10.1515/bmt.2007.016 pmid:17313340 fatcat:mieui2iknfdvfoi2vw2ai452d4

Predicting the Outcome of Critically Ill Children and Adolescents with Electroencephalography

Sangbo Lee, Ara Ko, In Sook Sol, Kyung Won Kim, Hoon Chul Kang, Joon Soo Lee, Heung Dong Kim, Se Hee Kim
2019 Annals of Child Neurology  
In a multivariable regression analysis conducted in non-sedated patients, higher EEG background score and absence of EEG reactivity were independently associated with higher mortality rate (P=0.015 and  ...  The prognostic values of these EEG factors were statistically significant in non-sedated patients (P<0.001 for both) whereas they were not significant in sedated patients (P=0.980 and P=0.336, respectively  ...  Welfare, Republic of Korea (grant number: HI15C1601).  ... 
doi:10.26815/acn.2019.00010 fatcat:h4aq2kkzavacxldbwogacqatzu

Early EEG for outcome prediction of postanoxic coma: a prospective cohort study

Barry J. Ruijter, Marleen C. Tjepkema‐Cloostermans, Selma C. Tromp, Walter M. Bergh, Norbert A. Foudraine, Francois H.M. Kornips, Gea Drost, Erik Scholten, Frank H. Bosch, Albertus Beishuizen, Michel J.A.M. Putten, Jeannette Hofmeijer
2019 Annals of Neurology  
To provide evidence that early electroencephalography (EEG) allows for reliable prediction of poor or good outcome after cardiac arrest.  ...  This information could only be extracted when appreciating EEG patterns in relation to the time since cardiac arrest.  ...  However, recent studies show that the effects of sedation on the EEG are small compared to those of anoxic encephalopathy. 26, 27 In line with this, our multivariate analysis shows that higher doses  ... 
doi:10.1002/ana.25518 pmid:31155751 pmcid:PMC6771891 fatcat:zxti6544nvhqxlhmhklo6jyooe

Association between somatosensory evoked potentials and EEG in comatose patients after cardiac arrest

Astrid B. Glimmerveen, Barry J. Ruijter, Hanneke M. Keijzer, Marleen C. Tjepkema-Cloostermans, Michel J.A.M. van Putten, Jeannette Hofmeijer
2019 Clinical Neurophysiology  
To analyze the association between SSEP results and EEG results in comatose patients after cardiac arrest, including the added value of repeated SSEP measurements.  ...  SSEP results in relation to the EEG background pattern at the moment of the SSEP recording are summarized in Table 3 .  ...  To further study the association between SSEP and EEG, we analyzed the N20 response in relation to the EEG pattern at the time of SSEP testing.  ... 
doi:10.1016/j.clinph.2019.08.022 pmid:31541979 fatcat:mjc7bp66grhvvom7ypdrafcega

Sedation-Induced Burst Suppression Predicts Positive Outcome Following Traumatic Brain Injury

Joel Frohlich, Micah A. Johnson, David L. McArthur, Evan S. Lutkenhoff, John Dell'Italia, Courtney Real, Vikesh Shrestha, Norman M. Spivak, Jesús E. Ruiz Tejeda, Paul M. Vespa, Martin M. Monti
2021 Frontiers in Neurology  
For each of 32 patients recovering from coma after moderate-to-severe TBI, we measured the EEG burst suppression ratio (BSR) during periods of low responsiveness as assessed with the Glasgow Coma Scale  ...  We examined the relationship between sedation-induced burst-suppression (SIBS) and outcome at hospital discharge and at 6-month follow up in patients surviving moderate-to-severe traumatic brain injury  ...  ACKNOWLEDGMENTS We are grateful to the patients who participated in this research and their families. We are also grateful to Joerg Hipp and Pilar Garces for sharing EEG processing code.  ... 
doi:10.3389/fneur.2021.750667 pmid:35002918 pmcid:PMC8727767 fatcat:htltwigj4ncnfp47kfvwg7kooi

Electroencephalography: Clinical Applications During the Perioperative Period

Yi Sun, Changwei Wei, Victoria Cui, Meihong Xiu, Anshi Wu
2020 Frontiers in Medicine  
EEG is a sensitive method for detecting neurophysiological changes in the brain and represents an important frontier in the monitoring and treatment of patients in the perioperative period.  ...  We review EEG application during anesthesia practice in the operating room, including the use of processed EEG in depth of anesthesia assessment, raw EEG monitoring in recognizing brain states under different  ...  Burst suppression with a pattern of identical bursts was found to be associated with the most widespread patterns of damage on postmortem histopathology in a series of 11 patients who died following anoxic  ... 
doi:10.3389/fmed.2020.00251 pmid:32582735 pmcid:PMC7296088 fatcat:6rkm3fzcl5e67bzknqhmaux3c4

Etiology of Burst Suppression EEG Patterns

Akshay Shanker, John H. Abel, Gabriel Schamberg, Emery N. Brown
2021 Frontiers in Psychology  
These insights have been further supported by advances in mechanistic modeling of burst suppression.  ...  Recently, commonalities between conditions associated with burst-suppression patterns have led to new insights into the origin of burst-suppression EEG patterns, their effects on the brain, and their use  ...  In an analysis of scalp EEGs from eleven patients undergoing deep hypothermia during cardiac surgery with complete circulatory arrest, average burst durations exponentially shrink, while suppression durations  ... 
doi:10.3389/fpsyg.2021.673529 pmid:34177731 pmcid:PMC8222661 fatcat:z3vacihrhfeetcdweexzr3sksi

EEG monitoring during anesthesia in children aged 0 to 18 months: amplitude-integrated EEG and age effects

Barbara Schultz, Michael Schultz, Martin Boehne, Nils Dennhardt
2022 BMC Pediatrics  
Furthermore, it should be examined whether the aEEG can distinguish EEG stages of sedation / anesthesia in differentiated EEGs.  ...  A discriminant analysis using the upper and lower values of the aEEG showed that EEG epochs from the stages B1 to E1 were assigned to the original EEG stage in only 19.3% of the cases.  ...  Discussion The current analysis focused on age-related changes in the EEG and the aEEG and on the ability of aEEG-derived parameters to distinguish between different EEG stages of sedation and anesthesia  ... 
doi:10.1186/s12887-022-03180-x pmid:35346111 pmcid:PMC8962600 fatcat:gv6yonb7jngcjeesyx7h6nelz4

Predictive value of EEG in postanoxic encephalopathy: A quantitative model-based approach

Evdokia Efthymiou, Roland Renzel, Christian R. Baumann, Rositsa Poryazova, Lukas L. Imbach
2017 Resuscitation  
Number of figures: 4 Number of Tables: 4  ...  However, varying definitions of 'malignant' EEG patterns, influence of sedation, or inter-rater variability of visual EEG interpretation, are important limiting factors for using EEG in prognostication  ...  On the other hand, it should be considered that the prognostic value of the model would show a higher sensitivity, if patients with burst suppression pattern were excluded from the analysis.  ... 
doi:10.1016/j.resuscitation.2017.07.020 pmid:28750884 fatcat:uilw4kkdpncf7kett2azs5zehq

Early Standard Electroencephalogram Abnormalities Predict Mortality in Septic Intensive Care Unit Patients

Eric Azabou, Eric Magalhaes, Antoine Braconnier, Lyria Yahiaoui, Guy Moneger, Nicholas Heming, Djillali Annane, Jean Mantz, Fabrice Chrétien, Marie-Christine Durand, Frédéric Lofaso, Raphael Porcher (+2 others)
2015 PLoS ONE  
At the time of EEG recording, 46 patients (42%) were sedated and 22 (20%) suffered from delirium.  ...  Overall, 54 patients (49%) developed delirium, of which 32 (29%) in the days after EEG recording. 23 (21%) patients died in the ICU.  ...  Acknowledgments We would thank all the members of the "Groupe d'Explorations Neurologiques en Réanimation (GENER)" of the Assistance Publique-Hôpitaux de Paris, leaded by Professor SHARSHAR  ... 
doi:10.1371/journal.pone.0139969 pmid:26447697 pmcid:PMC4598037 fatcat:eg6gqrmh5jfzdiielz74ge6bj4

Modeling the dynamical effects of anesthesia on brain circuits

ShiNung Ching, Emery N Brown
2014 Current Opinion in Neurobiology  
We review recent model descriptions of the commonly observed EEG patterns associated with propofol: paradoxical excitation, strong frontal alpha oscillations, anteriorization and burst suppression.  ...  Because these dynamical effects are readily observed in the EEG, the mathematical descriptions of how propofol's EEG signatures relate to its mechanisms of action in neural circuits provide anesthesiologists  ...  This work was also supported by the Massachusetts General Hospital Department of Anesthesia, Critical Care, and Pain Medicine.  ... 
doi:10.1016/j.conb.2013.12.011 pmid:24457211 pmcid:PMC4181389 fatcat:szcgzggdprhbrokp6cjpmbbi5i

Electroencephalographic features in patients undergoing extracorporeal membrane oxygenation

Lorenzo Peluso, Serena Rechichi, Federico Franchi, Selene Pozzebon, Sabino Scolletta, Alexandre Brasseur, Benjamin Legros, Jean-Louis Vincent, Jacques Creteur, Nicolas Gaspard, Fabio Silvio Taccone
2020 Critical Care  
As neurological examination is often unreliable in sedated patients, additional neuromonitoring is needed.  ...  However, the value of electroencephalogram (EEG) in adult ECMO patients has not been well assessed.  ...  Authors' contributions LP, NG and FST conceived the study; LP, AB and FST selected the population; NG reviewed all EEG recordings; SR, FF, BL collected the data; LP and FST conducted the statistical analysis  ... 
doi:10.1186/s13054-020-03353-z pmid:33126887 fatcat:52lduy4knbdqlaczoah2miftwe

Peak and averaged bicoherence for different EEG patterns during general anaesthesia

Stacey Pritchett, Eugene Zilberg, Zheng Xu, Paul Myles, Ian Brown, David Burton
2010 BioMedical Engineering OnLine  
Statistical analysis of associations between anaesthetic depth/state of consciousness and bicoherence estimates included linear regression using generalised linear mixed effects models (GLMs), ROC curves  ...  Changes in nonlinear neuronal mechanisms of EEG generation in the course of general anaesthesia have been extensively investigated in research literature.  ...  For investigating Figure 1 Examples of EEG states relating to deepening sedation. Ranging from awake (states 1 -4) to burst suppression (state 10).  ... 
doi:10.1186/1475-925x-9-76 pmid:21092128 pmcid:PMC2998515 fatcat:xrnmx2jroze6di4h4ufxn2qmzm
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