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Jacob A Klapper

Associate Professor of Surgery
Surgery, Cardiovascular and Thoracic Surgery

Current Appointments & Affiliations


Associate Professor of Surgery · 2021 - Present Surgery, Cardiovascular and Thoracic Surgery, Surgery

Recent Publications


Lung transplantation from donation after circulatory death donors over 55 years old: A national analysis of outcomes and utilization.

Journal Article JHLT Open · February 2026 BACKGROUND: Lungs from older donation after circulatory death (DCD) donors are underutilized; however, these organs may represent an opportunity to expand the donor pool. Herein, we evaluated utilization and outcomes of lung transplants using lungs from ol ... Full text Open Access Link to item Cite

The short end of the stick: Access to lung transplantation for short-statured patients in the composite allocation score era.

Journal Article Am J Transplant · October 2025 Short-statured lung transplant candidates experience longer waitlist times than taller ones. The new composite allocation score (CAS) includes height to enhance allocation equity. We assessed the impact of CAS on waitlist outcomes for different height grou ... Full text Link to item Cite
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Recent Grants


ExVivo Lung Study ¿ Biocompatibility Assessment of ExVivo Disposable Perfusion Kit with Nitric Oxide and/or MP3964

ResearchCo Investigator · Awarded by Mallinckrodt Pharmaceuticals · 2019 - 2019

XVIVO Lung Clinical Research

ResearchPrincipal Investigator · Awarded by Mallinckrodt Pharmaceuticals · 2018 - 2019

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Education, Training & Certifications


Indiana University, School of Medicine · 2003 M.D.
Colgate University · 1998 B.A.