Peer-Reviewed Publication
Med Image Anal2026;115104273.September 3, 2026Journal Article

PUNCH: Physics-informed uncertainty-aware network for coronary hemodynamics.

Sukirt Thakur1, Marcus Roper2, Yang Zhou3, Dmitry Yu Isaev3, Reza Akbarian Bafghi4, Brahmajee K Nallamothu5, C Alberto Figueroa6, Srinivas Paruchuri3, Scott Burger3, Carlos Collet7, Maziar Raissi8
1AngioInsight, Inc., USA. Electronic address: sukirt@angioinsight.com.
2Department of Mathematics, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
3AngioInsight, Inc., USA.
4University of Colorado Boulder, Boulder, CO, 80309, USA.
5Department of Internal Medicine, University of Michigan, Ann Arbor, MI, 48109, USA.
6Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, 48109, USA; Department of Surgery, University of Michigan, Ann Arbor, MI, 48109, USA.
7Clinical Trial Center, Cardiovascular Research Foundation, New York, NY, USA.
8University of California, Riverside, Riverside, CA, 92521, USA.

Abstract

More than 10 million coronary angiograms are performed globally each year, providing a gold standard for detecting obstructive coronary artery disease. Yet, no obstructive lesions are identified in 70% of patients evaluated for ischemic heart disease. Up to half of these patients have undiagnosed, life-limiting coronary microvascular dysfunction (CMD), which remains under-detected due to the limit…

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