Multimodal Prediction of 3- and 12-Month Outcomes in ICU Patients with Acute Disorders of Consciousness

© 2023. The Author(s)..

BACKGROUND: In intensive care unit (ICU) patients with coma and other disorders of consciousness (DoC), outcome prediction is key to decision-making regarding prognostication, neurorehabilitation, and management of family expectations. Current prediction algorithms are largely based on chronic DoC, whereas multimodal data from acute DoC are scarce. Therefore, the Consciousness in Neurocritical Care Cohort Study Using Electroencephalography and Functional Magnetic Resonance Imaging (i.e. CONNECT-ME; ClinicalTrials.gov identifier: NCT02644265) investigates ICU patients with acute DoC due to traumatic and nontraumatic brain injuries, using electroencephalography (EEG) (resting-state and passive paradigms), functional magnetic resonance imaging (fMRI) (resting-state) and systematic clinical examinations.

METHODS: We previously presented results for a subset of patients (n = 87) concerning prediction of consciousness levels in the ICU. Now we report 3- and 12-month outcomes in an extended cohort (n = 123). Favorable outcome was defined as a modified Rankin Scale score ≤ 3, a cerebral performance category score ≤ 2, and a Glasgow Outcome Scale Extended score ≥ 4. EEG features included visual grading, automated spectral categorization, and support vector machine consciousness classifier. fMRI features included functional connectivity measures from six resting-state networks. Random forest and support vector machine were applied to EEG and fMRI features to predict outcomes. Here, random forest results are presented as areas under the curve (AUC) of receiver operating characteristic curves or accuracy. Cox proportional regression with in-hospital death as a competing risk was used to assess independent clinical predictors of time to favorable outcome.

RESULTS: Between April 2016 and July 2021, we enrolled 123 patients (mean age 51 years, 42% women). Of 82 (66%) ICU survivors, 3- and 12-month outcomes were available for 79 (96%) and 77 (94%), respectively. EEG features predicted both 3-month (AUC 0.79 [95% confidence interval (CI) 0.77-0.82]) and 12-month (AUC 0.74 [95% CI 0.71-0.77]) outcomes. fMRI features appeared to predict 3-month outcome (accuracy 0.69-0.78) both alone and when combined with some EEG features (accuracies 0.73-0.84) but not 12-month outcome (larger sample sizes needed). Independent clinical predictors of time to favorable outcome were younger age (hazard ratio [HR] 1.04 [95% CI 1.02-1.06]), traumatic brain injury (HR 1.94 [95% CI 1.04-3.61]), command-following abilities at admission (HR 2.70 [95% CI 1.40-5.23]), initial brain imaging without severe pathological findings (HR 2.42 [95% CI 1.12-5.22]), improving consciousness in the ICU (HR 5.76 [95% CI 2.41-15.51]), and favorable visual-graded EEG (HR 2.47 [95% CI 1.46-4.19]).

CONCLUSIONS: Our results indicate that EEG and fMRI features and readily available clinical data predict short-term outcome of patients with acute DoC and that EEG also predicts 12-month outcome after ICU discharge.

Medienart:

E-Artikel

Erscheinungsjahr:

2024

Erschienen:

2024

Enthalten in:

Zur Gesamtaufnahme - volume:40

Enthalten in:

Neurocritical care - 40(2024), 2 vom: 28. Apr., Seite 718-733

Sprache:

Englisch

Beteiligte Personen:

Amiri, Moshgan [VerfasserIn]
Raimondo, Federico [VerfasserIn]
Fisher, Patrick M [VerfasserIn]
Cacic Hribljan, Melita [VerfasserIn]
Sidaros, Annette [VerfasserIn]
Othman, Marwan H [VerfasserIn]
Zibrandtsen, Ivan [VerfasserIn]
Bergdal, Ove [VerfasserIn]
Fabritius, Maria Louise [VerfasserIn]
Hansen, Adam Espe [VerfasserIn]
Hassager, Christian [VerfasserIn]
Højgaard, Joan Lilja S [VerfasserIn]
Jensen, Helene Ravnholt [VerfasserIn]
Knudsen, Niels Vendelbo [VerfasserIn]
Laursen, Emilie Lund [VerfasserIn]
Møller, Jacob E [VerfasserIn]
Nersesjan, Vardan [VerfasserIn]
Nicolic, Miki [VerfasserIn]
Sigurdsson, Sigurdur Thor [VerfasserIn]
Sitt, Jacobo D [VerfasserIn]
Sølling, Christine [VerfasserIn]
Welling, Karen Lise [VerfasserIn]
Willumsen, Lisette M [VerfasserIn]
Hauerberg, John [VerfasserIn]
Larsen, Vibeke Andrée [VerfasserIn]
Fabricius, Martin Ejler [VerfasserIn]
Knudsen, Gitte Moos [VerfasserIn]
Kjærgaard, Jesper [VerfasserIn]
Møller, Kirsten [VerfasserIn]
Kondziella, Daniel [VerfasserIn]

Links:

Volltext

Themen:

Coma
Consciousness
Electroencephalography
Functional magnetic resonance imaging
Intensive care unit
Journal Article

Anmerkungen:

Date Completed 25.03.2024

Date Revised 05.04.2024

published: Print-Electronic

ClinicalTrials.gov: NCT02644265

Citation Status MEDLINE

doi:

10.1007/s12028-023-01816-z

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM361945248