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ECMO ABI-detektion med hyperfin

22 september 2026 uppdaterad av: Jessica S. Wallisch, Children's Mercy Hospital Kansas City

Lågfälts-MRT vid sängkanten för upptäckt av akut hjärnskada vid syresättning av pediatrisk extrakorporeal membran

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.

Studieöversikt

Detaljerad beskrivning

Extracorporeal membrane oxygenation (ECMO) is frequently used to treat refractory cardiovascular and/or respiratory failure. As the support modality has evolved, survival has significantly improved, yet there are high rates of acute brain injury (ABI) in this population due to disease, patient, and treatment factors. This results in significant morbidity and mortality. Specifically, thromboembolic, hypoxic-ischemic, and hemorrhagic complications occur during ECMO support, but the investigators are limited in the monitoring and diagnosis of ABI while on ECMO as currently available imaging modalities (i.e. ultrasound [US], computed tomography [CT]) have low sensitivity for early hypoxic, cerebrovascular, and ischemic brain injuries. The sensitivity of these modalities increases only when it is too late to effectively intervene. Standard magnetic resonance imaging (MRI) is the gold standard to diagnose stroke and ischemic brain injury but is incompatible with ECMO devices. Swoop (Hyperfine, Guilford, CT) is an FDA cleared ultralow-field portable MRI system that can be used at the bedside and has been studied in critically ill adults with various types of ABI. This novel bedside MRI has been safely operated in clinical environments with equipment that is typically not MRI compatible. A few adult and pediatric ECMO patients have undergone bedside brain MRIs showing feasibility. Yet, what remains unknown is the true prevalence and timing of hypoxic, cerebrovascular, and ischemic brain injuries in pediatric ECMO.

Studietyp

Interventionell

Inskrivning (Beräknad)

40

Fas

  • Inte tillämpbar

Kontakter och platser

Det här avsnittet innehåller kontaktuppgifter för dem som genomför studien och information om var denna studie genomförs.

Studiekontakt

  • Namn: Maura Sien, MSML, CCRC
  • Telefonnummer: 78311 8163028311
  • E-post: mesien@cmh.edu

Studieorter

Deltagandekriterier

Forskare letar efter personer som passar en viss beskrivning, så kallade behörighetskriterier. Några exempel på dessa kriterier är en persons allmänna hälsotillstånd eller tidigare behandlingar.

Urvalskriterier

Åldrar som är berättigade till studier

1 sekund till 17 år (Barn)

Tar emot friska volontärer

Nej

Kön som är behöriga för studier

Allt

Beskrivning

Inclusion Criteria:

  • 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

    • High risk participants include, but are not limited to:

  • Undergoing cardiac surgery

  • Congenital heart disease

  • Congenital diaphragmatic hernia

  • Refractory hypoxemic and/or hypercarbic respiratory failure

  • Vasoactive-refractory shock

Exclusion Criteria:

  • Pregnancy

  • Any patient who has a contraindication to having an MRI

  • Patients with a passive or active implant will:

    • First be reviewed on MRISafety.com to determine MR conditionality
    • If device is listed as Conditional or Unsafe for a 1.5T or a 3T, device will then be reviewed by MRI Safety Officer or MRI Physician Section chief to determine true conditionality for the portable MRI

Studieplan

Det här avsnittet ger detaljer om studieplanen, inklusive hur studien är utformad och vad studien mäter.

Hur är studien utformad?

Designdetaljer

  • Primärt syfte: Diagnostisk
  • Tilldelning: N/A
  • Interventionsmodell: Enskild gruppuppgift
  • Maskning: Ingen (Open Label)

Vapen och interventioner

Deltagargrupp / Arm
Intervention / Behandling
Experimentell: Portable MRI Arm

All subjects enrolled will be assigned to Arm 1

Enrolled 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 may also undergo a portable MRI within 24 hours of clinical head imaging, if applicable.

Vad mäter studien?

Primära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Characterize the prevalence and type of ABI following cannulation for pediatric patients who require ECMO support.
Tidsram: Duration of ECMO treatment period, an average of <2 weeks

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).

Duration of ECMO treatment period, an average of <2 weeks
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.
Tidsram: Duration of ECMO treatment period, an average of <2 weeks

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.

Duration of ECMO treatment period, an average of <2 weeks

Sekundära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Assess the association of clinical neurologic events to presence and type of imaging findings.
Tidsram: From ICU admission to final neuroimaging during active study participation

Rates of seizures, pupillary changes, focal neurologic deficits, and neuromonitoring data will be correlated to neuroimaging diagnoses of acute brain injury.

From ICU admission to final neuroimaging during active study participation

Samarbetspartners och utredare

Det är här du hittar personer och organisationer som är involverade i denna studie.

Utredare

  • Huvudutredare: Jessica Wallisch, MD, Children's Mercy Kansas City

Studieavstämningsdatum

Dessa datum spårar framstegen för inlämningar av studieposter och sammanfattande resultat till ClinicalTrials.gov. Studieposter och rapporterade resultat granskas av National Library of Medicine (NLM) för att säkerställa att de uppfyller specifika kvalitetskontrollstandarder innan de publiceras på den offentliga webbplatsen.

Studera stora datum

Studiestart (Faktisk)

23 juli 2024

Primärt slutförande (Beräknad)

30 juni 2027

Avslutad studie (Beräknad)

1 december 2027

Studieregistreringsdatum

Först inskickad

12 juni 2024

Först inskickad som uppfyllde QC-kriterierna

20 juni 2024

Första postat (Faktisk)

24 juni 2024

Uppdateringar av studier

Senaste uppdatering publicerad (Faktisk)

24 september 2026

Senaste inskickade uppdateringen som uppfyllde QC-kriterierna

22 september 2026

Senast verifierad

1 september 2026

Mer information

Termer relaterade till denna studie

Plan för individuella deltagardata (IPD)

Planerar du att dela individuella deltagardata (IPD)?

NEJ

IPD-planbeskrivning

There is reasonable concern that sharing of IPD could allow patient re-identification given the single center study design involving a small and unique patient cohort. Given consideration for patient privacy, IPD will not be shared on open data platforms. De-identified IPD is available at reasonable request to the study PI with IRB approval and appropriate contracting.

Läkemedels- och apparatinformation, studiedokument

Studerar en amerikansk FDA-reglerad läkemedelsprodukt

Nej

Studerar en amerikansk FDA-reglerad produktprodukt

Ja

produkt tillverkad i och exporterad från U.S.A.

Nej

Denna information hämtades direkt från webbplatsen clinicaltrials.gov utan några ändringar. Om du har några önskemål om att ändra, ta bort eller uppdatera dina studieuppgifter, vänligen kontakta register@clinicaltrials.gov. Så snart en ändring har implementerats på clinicaltrials.gov, kommer denna att uppdateras automatiskt även på vår webbplats .

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