International Stroke Conference 2025  /  Risk Factors and Prevention Moderated Poster Tour I  /  Atrial Cardiopathy Biomarkers and Brain Infarction in Multiple Territories in ARCADIA
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American Heart Association

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Final ID: WMP101

Atrial Cardiopathy Biomarkers and Brain Infarction in Multiple Territories in ARCADIA

Abstract Body: Introduction: The ARCADIA trial (Apixaban to Prevent Recurrence After Cryptogenic Stroke in Patients With Atrial Cardiopathy) found no benefit of anticoagulation for secondary stroke prevention in patients with cryptogenic stroke and evidence of atrial cardiopathy. It remains unclear if the biomarkers used in the trial reliably identified atrial cardiopathy. We examined the association between biomarkers of atrial cardiopathy and acute brain infarction in multiple arterial territories, an imaging signature of cardioembolic stroke.

Hypothesis: Biomarkers of atrial cardiomyopathy are associated with acute brain infarction in multiple arterial territories.

Methods: The ARCADIA trial screened patients with cryptogenic stroke for atrial cardiopathy at 185 centers in the U.S. and Canada. Investigators were asked to record the presence and topography of acute brain infarction on baseline imaging. Multi-territorial infarction was defined as acute infarction in at least two of the left middle cerebral artery (MCA), right MCA, and posterior circulation. P-wave terminal force in ECG lead V1 (PTFV1) and left atrial dimension index (LADI) were modeled as continuous variables, whereas N-terminal pro-B-type natriuretic peptide (NT-proBNP) was log-transformed. Relative risk regression was used to examine the association between atrial cardiopathy biomarkers and multi-territorial infarction.

Results: Of 3,745 patients enrolled in ARCADIA, 3,301 had available data on atrial cardiomyopathy biomarkers and the topography of acute infarctions seen on baseline imaging. Of these 3,301 patients, 452 (13.7%) had multi-territory brain infarction. We found no association with multi-territory brain infarction for ln(NT-proBNP) (OR per SD, 1.06; 95% CI, 0.97-1.16), PTFV1 (OR per SD, 1.06; 95% CI, 0.98-1.15), or LADI (OR per SD, 0.95; 95% CI, 0.86-1.05). Patients who met criteria for atrial cardiopathy and were randomized into the treatment phase of the study had a similar likelihood of multi-territorial infarction (13.4%) compared with those who were not eligible for randomization (13.8%) (P = 0.77).

Conclusions: The atrial cardiopathy biomarkers used in the ARCADIA trial were not associated with patterns of brain infarction suggestive of a cardioembolic source.
  • Gologorsky, Rachel  ( Weill Cornell Medicine , New York , New York , United States )
  • Karunamuni, Nilushi  ( Weill Cornell Medicine , New York , New York , United States )
  • Longstreth, W  ( University of Washington , Seattle , Washington , United States )
  • Tirschwell, David  ( University of Washington , Seattle , Washington , United States )
  • Elkind, Mitchell  ( Columbia University , New York , New York , United States )
  • Kamel, Hooman  ( Weill Cornell Medicine , New York , New York , United States )
    • Author Disclosures:
    Rachel Gologorsky: DO NOT have relevant financial relationships | Nilushi Karunamuni: DO NOT have relevant financial relationships | W Longstreth: No Answer | David Tirschwell: DO have relevant financial relationships ; Consultant:AbbVie:Past (completed) ; Research Funding (PI or named investigator):Abbott:Active (exists now) | Mitchell Elkind: DO have relevant financial relationships ; Research Funding (PI or named investigator):BMS-Pfizer Alliance for Eliquis:Past (completed) ; Employee:American Heart Association:Active (exists now) ; Advisor:Atria Academy of Science and Medicine:Active (exists now) ; Royalties/Patent Beneficiary:UpToDate:Past (completed) ; Research Funding (PI or named investigator):Roche:Past (completed) | Hooman Kamel: DO have relevant financial relationships ; Other (please indicate in the box next to the company name):Financial disclosures for Hooman Kamel: a PI role in the ARCADIA trial, which received in-kind study drug from the BMS-Pfizer Alliance for Eliquis and ancillary study support from Roche Diagnostics; a Deputy Editor role for JAMA Neurology; clinical trial steering/executive committee roles for the STROKE-AF (Medtronic), LIBREXIA-AF (Janssen), and LAAOS-4 (Boston Scientific) trials; consulting or endpoint adjudication committee roles for AbbVie, AstraZeneca, Boehringer Ingelheim, and Novo Nordisk; and household ownership interests in TETMedical, Spectrum Plastics Group, and Ascential Technologies.:Active (exists now)
Meeting Info:

International Stroke Conference 2025

2025

Los Angeles, CA

Session Info:

Risk Factors and Prevention Moderated Poster Tour I

Wednesday, 02/05/2025 , 06:00PM - 07:00PM

Moderated Poster Abstract Session

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