Peer-Reviewed Publication
JACC Case Rep2026;31(37):110259.September 16, 2026Case Reports

A Phenotype Risk Score-Triggered E-Visit Pathway to Capture TTR V142I in a Heart Failure Population.

James W Johnson1, Deepa Sarkar2, Isabelle Kornblau3, Juhyun R Baik4, Melanie Besculides5, Abena Gyasi4, Naomi So5, Noura S Abul-Husn6, Vikas Pejaver7, Amy R Kontorovich8
1Department of Medicine, Mount Sinai Hospital, New York, New York, USA.
2Institute for Genomic Health, Icahn School of Medicine at Mount Sinai, New York, New York, USA.
3The Fuster Heart Hospital, Icahn School of Medicine at Mount Sinai, New York, New York, USA; Icahn School of Medicine at Mount Sinai, New York, New York, USA.
4The Fuster Heart Hospital, Icahn School of Medicine at Mount Sinai, New York, New York, USA.
5Icahn School of Medicine at Mount Sinai, New York, New York, USA.
6Department of Medicine, Mount Sinai Hospital, New York, New York, USA; Institute for Genomic Health, Icahn School of Medicine at Mount Sinai, New York, New York, USA; 23andMe Research Institute, Palo Alto, California, USA.
7Institute for Genomic Health, Icahn School of Medicine at Mount Sinai, New York, New York, USA; Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, New York, USA; Windreich Department of Artificial Intelligence and Human Health, Icahn School of Medicine at Mount Sinai, New York, New York, USA.
8Institute for Genomic Health, Icahn School of Medicine at Mount Sinai, New York, New York, USA; The Fuster Heart Hospital, Icahn School of Medicine at Mount Sinai, New York, New York, USA; Cardiovascular Research Institute, Icahn School of Medicine at Mount Sinai, New York, New York, USA. Electronic address: amy.kontorovich@mountsinai.org.

Abstract

BACKGROUND: Variant transthyretin amyloidosis (ATTRv) is an underdiagnosed cause of heart failure (HF), typically identified at later disease stages. The TTR p.Val142Ile (V142I) variant, found in ∼4% of African American (AA) individuals, is the most common cause of ATTRv in the United States and delayed diagnoses contribute to health disparities. PROJECT RATIONALE: Genetic testing is a guideline-…

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