The primary objective is to characterize the prevalence and type of ABI following cannulation for pediatric patients who require ECMO support. The secondary objective is to describe the time course and rates of ABI using ultralow-field bedside MRI relative to both duration of ECMO support and clinical imaging obtained in routine care of pediatric ECMO patients.
Participants that will be or are admitted to the Pediatric Intensive Care Unit, Cardiac Intensive Care Unit, or the Neonatal Intensive Care Unit
Ages 0-17 years
Participants that are at high risk for undergoing ECMO or are currently undergoing venovenous or venoarterial ECMO
Undergoing cardiac surgery
Pregnancy
Pacemaker
Implanted defibrillator
Implanted insulin pump
Single group
Hyperfine
DeviceEnrolled subjects will undergo a Hyperfine MRI exam, which is a portable, low-field MRI, at various timepoints during their clinical course on ECMO. Patients will undergo imaging within 36 hours of ECMO initiation/cannulation. Patients that remain on ECMO will have repeat imaging at 72-120 hours of ECMO therapy and again weekly for the duration of their ECMO course. Patients will also undergo a portable MRI within 24 hours of clinical head imaging, if applicable.
Characterize the prevalence and type of ABI following cannulation for pediatric patients who require ECMO support.
Perform bedside MRI in pediatric ECMO patients treated in pediatric, cardiac, and neonatal intensive care units (ICUs) within 36 hours of cannulation. Determine rates of ABI (hypoxic, ischemic, cerebrovascular, and hemorrhagic injury along with assessment of cerebral edema and midline shift) in the pre- and peri-cannulation time periods. Correlate these imaging findings to rates of clinical neurological events (seizures, pupillary changes, focal neurological examination).
Describe the time course and rates of ABI using ultralow-field bedside MRI relative to both duration of ECMO support and clinical imaging obtained in routine care of pediatric ECMO patients.
Obtain bedside MRI in pediatric ECMO patients treated in pediatric, cardiac or neonatal ICUs at 72-120 hours post-cannulation and weekly until decannulation. Quantify and compare rates of ABI between bedside MRI and CT or US as read by blinded neuroradiologist.
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