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fMRI in CardiaC arrEst With Uncertain Prognosis — FACE-UP  

Cardiac Arrest Clinical Trial

Official title:
The fMRI in CardiaC arrEst With Uncertain Prognosis (FACE-UP) Study

Clinical Trial Summary

The goal of this observational study is to determine whether specific advanced MRI measures are associated with functional outcomes in patients who are comatose after cardiac arrest. The main question[s] it aims to answer are: Aim 1: Determine if stimulus-based functional MRI (fMRI)-measured activations are independently associated with favorable neurological outcomes after cardiac arrest Aim 2: Determine if resting state functional MRI (rs-fMRI)-measured functional network connectivity is independently associated with favorable neurological outcomes after cardiac arrest. Aim 3: Determine if diffusion tensor imaging (DTI)-measured white matter integrity is associated with favorable neurological outcomes after cardiac arrest. Participants will undergo advanced MRI sequences at time of clinical MRI, and will be followed for 6 months post-arrest.

Clinical Trial Description

Our goal here is to determine whether advanced functional MRI and DTI sequences add actionable prognostic information relative to standard clinical MRI in patients who remain comatose after cardiac arrest. We plan the following specific analyses: Aim 1: We will use logistic regression to measure the association between our primary outcome and fMRI BOLD response to (a) passive language stimuli, (b) motor imagery or (c) passive sensory stimuli, in a model with age, Glasgow Coma Scale (GCS) score at time of MRI, and presence of anoxic injury on clinical diffusion weighted MRI. Aim 2: We will use logistic regression to measure the association between our primary outcome and default mode network resting state functional connectivity, in a model with age, Glasgow Coma Scale (GCS) score at time of MRI, and presence of anoxic injury on clinical diffusion weighted MRI. Aim 3: We will use logistic regression to measure the association between our primary outcome and diffusion tensor imaging (DTI)-measured mean white matter fractional anisotropy, in a model with age, Glasgow Coma Scale (GCS) score at time of MRI, and presence of anoxic injury on clinical diffusion weighted MRI. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT06423768
Study type Observational
Source Brigham and Women's Hospital
Contact
Status Active, not recruiting
Phase
Start date May 16, 2024
Completion date December 1, 2027
View Details
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