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Accelerating Access and Improving Imaging in Heart Failure Care (A2I2HF) Pilot Study

7. september 2026 oppdatert av: University of Alberta
This is a prospective, multicenter, cluster randomised trial which will assess the feasibility and acceptability of AI-assisted point of care echocardiography on HF detection and downstream care processes for patients with suspected HF discharged from the Emergency Department.

Studieoversikt

Status

Har ikke rekruttert ennå

Forhold

Detaljert beskrivelse

Heart failure remains underdiagnosed in frontline care settings, in part due to limited access to timely echocardiography. Recent advances in artificial intelligence (AI)-assisted echocardiography may facilitate scalable bedside screening through automated image acquisition support and interpretation.

This is a prospective, multicenter, cluster randomised trial which will assess the feasibility and acceptability of routine implementation of AI-assisted point of care echocardiography on HF detection and downstream processes of care for patients with suspected HF being discharged from the Emergency Department.

This study will be carried out at 2 participating Emergency Departments (EDs) in Alberta, Canada. Each ED site will alternate monthly between Intervention (AI-assisted echocardiography) and Control (Usual Care) periods.

During intervention periods, patients with suspected HF will undergo AI-assisted echocardiography using a handheld point of care EchoNous Kosmos device by the treating ED physician. The US2.ai algorithm will generate an AI-automated echo report. During control periods, patients will be managed according to usual care.

Studietype

Intervensjonell

Registrering (Antatt)

84

Fase

  • Ikke aktuelt

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiekontakt

  • Navn: Clinical Trials Project Lead
  • Telefonnummer: 1-800-707-9098
  • E-post: aa2i2@ualberta.ca

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

  • Voksen
  • Eldre voksen

Tar imot friske frivillige

Nei

Beskrivelse

Inclusion Criteria:

  1. Adult patients age ≥18 years presenting to the ED;
  2. with signs or symptoms of HF as per the treating physician and
  3. elevated natriuretic peptides (NT-proBNP>125pg/mL or BNP>50pg/mL); drawn as part of standard of care of evaluation in the ED, OR age≥ 40 years and ≥1 HF risk factor:

    • Established diagnosis of type 2 diabetes
    • Coronary artery disease (prior documented type 1 myocardial infarction or coronary artery bypass grafting or percutaneous coronary intervention or documented stenosis of an epicardial coronary artery (>50% left main or >70% left anterior descending, circumflex or right coronary artery)
    • Previous ischemic or embolic stroke
    • Peripheral artery disease (previous surgical or percutaneous revascularization or a documented stenosis greater than 50% of a major peripheral arterial vessel).
    • Regular loop diuretic use

Exclusion Criteria:

  1. prior documented diagnosis of HF;
  2. any patient receiving renal replacement therapy;
  3. any patient receiving comfort or palliative care;
  4. pregnant or nursing patients;
  5. patients planned for admission
  6. Investigator/treating physician discretion: any patient not suitable for participation for other reasons

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Diagnostisk
  • Tildeling: Randomisert
  • Intervensjonsmodell: Sekvensiell tildeling
  • Masking: Enkelt

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: Intervention
During each month-long Intervention period, an AI-assisted POCUS tool will be available for ED physicians use, at their discretion, to assess left ventricular ejection fraction (LVEF) and diastolic function in patients presenting to the ED with suspected HF. The AI-automated echocardiogram report may be used in the referral pathway to the HF clinic if deemed clinically appropriate.

ED physicians at both sites will be provided with 1 session of in person training in the use of the AI-assisted POCUS device within 4 weeks of randomization including,

  • Device set up
  • Demo of patient exam with POCUS device (to be used within its CE/Health Canada marked intended purpose or where deemed clinically appropriate by the treating physician).
  • Generation of AI-automated echocardiogram report for LVEF and diastolic dysfunction.
Ingen inngripen: Control Period (Usual Care)
During each month-long Control period, the ED physicians will manage patients as close to "true" usual care as possible. There is no "placebo" arm. No actions will be undertaken to impede or prohibit care in the usual care arm.

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Feasibility of AI Assisted Point of Care Echocardiography Implementation
Tidsramme: During the enrollment period.
Proportion of eligible patients successfully undergoing AI assisted echo assessment at the point of care.
During the enrollment period.

Sekundære resultatmål

Resultatmål
Tidsramme
Diagnosis of heart failure (HF) within 90 days
Tidsramme: At 90 days.
At 90 days.
Downstream health care resource utilization at 90 days and 1 year (e.g. rates of requests for echocardiography, cardiology referral, primary care appointments, HF hospitalization).
Tidsramme: At 90 days and 1 year.
At 90 days and 1 year.
Proportion of patients with HF receiving GDMT within 90 days
Tidsramme: At 90 days.
At 90 days.
Difference in ratio of the incidence of diagnoses of HF via hospital admission-based versus community-based pathways
Tidsramme: At 90 days.
At 90 days.
Uptake and utilization: differential rates of uptake and utilization of AI Assisted echocardiography in the emergency department
Tidsramme: During the enrollment period.
During the enrollment period.
Determinants of uptake and utilization of AI assisted echocardiography in the emergency department (clinician questionnaire)
Tidsramme: During the enrollment period.
During the enrollment period.

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Samarbeidspartnere

Etterforskere

  • Hovedetterforsker: Justin Ezekowitz, MD, University of Alberta
  • Hovedetterforsker: Safia Chatur, MD, Massachusetts General Hospital/Harvard Medical School and University of Alberta

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Antatt)

29. september 2026

Primær fullføring (Antatt)

29. november 2027

Studiet fullført (Antatt)

28. november 2028

Datoer for studieregistrering

Først innsendt

25. mai 2026

Først innsendt som oppfylte QC-kriteriene

28. mai 2026

Først lagt ut (Faktiske)

3. juni 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

9. september 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

7. september 2026

Sist bekreftet

1. september 2026

Mer informasjon

Begreper knyttet til denne studien

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Nei

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

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