ISHLT abstract presentations

ISHLT Annual Meeting
📍 Toronto, ON 🇨🇦
📅 April 22–25, 2026

We’re proud to present the following abstracts:

🔹 Donor-Recipient Sex Mismatch and Circulating dd-cfDNA Drive Molecular Rejection Signatures After Heart Transplantation
Presenter: A. Fernandez Valledor et al.
Time/date: April 22, 2026 at 6:15 pm
Location: Poster Theater 1

🔹 Early Transcriptomic Injury After Heart Transplantation Predicts Adverse Outcomes
Presenter: A. Fernandez Valledor et al.
Time/date: April 22, 2026 at 6:45 pm
Location: Poster Theater 1

🔹 Assessing Early Antibody-Mediated Rejection (AMR) Using MMDx, dd-cfDNA, and Histology
Presenters: Katelynn Madill-Thomsen, Patrick Gauthier
Time/date: April 23, 2026 at 4:30 pm
Location: Poster Theater 1

🔹 Seeing the Unseen: PET Perfusion Detects the Physiologic Impact of Molecular Rejection
Presenter: A. Fernandez Valledor et al.
Time/date: April 24, 2026 at 10:49 am
Location: Room 714-716

🔹 Validation of a Two-Threshold Algorithm (2TA) Combining dd-cfDNA Fraction and Quantity to Detect Heart Transplant Rejection Defined by Gene Expression Changes
Presenter: Philip F. Halloran
Time/date: April 24, 2026 at 4:49 pm
Location: Room 718-B

🔹 Transcriptional Dynamics of Treated Rejection Episodes in Pediatric Heart Transplants
Presenter: L. V. Desai et al.
Time/date: April 24, 2026 at 4:52 pm
Location: Room 718-B

🔹 MMDx and Donor-Derived Cell-Free DNA versus Histology for the Diagnosis of Heart Allograft Rejection
Presenter: Katelynn Madill-Thomsen
Time/date: April 24, 2026 at 5:13 pm
Location: Room 718-B

🔹 Digital Cytometry Predicts Associations with Tregs and Macrophages in Injured Heart Allograft Endomyocardial Biopsies
Presenter: Patrick T. Gauthier
Time/date: April 25, 2026 at 8:13 am
Location: Room 801 A+B

Looking forward to sharing these insights and connecting with the transplant community.
#ISHLT2026 #HeartTransplant #TransplantResearch