Volume 24, Issue 3 e13680
REVIEW ARTICLE

Review of the impact of donor characteristics on pediatric heart transplant outcomes

Jennifer Conway

Corresponding Author

Jennifer Conway

Division of Pediatric Cardiology, Department of Pediatrics, Stollery Children’s Hospital, University of Alberta, Edmonton, AB, Canada

Correspondence

Jennifer Conway, 8440 112 Street, WMC 4C2, Edmonton, AB T6G2B7, Canada.

Email: [email protected]

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Jean A. Ballweg

Jean A. Ballweg

Division of Pediatric Cardiology, Department of Pediatrics, Children’s Hospital and Medical Center, University of Nebraska Medical Center, Omaha, Nebraska

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Matthew Fenton

Matthew Fenton

Great Ormond Street Hospital for Children Foundation Trust, London, UK

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Steve Kindel

Steve Kindel

Division of Pediatric Cardiology, Department of Pediatrics, Medical College of Wisconsin and Herma Heart Institute and Children's Hospital of Wisconsin, Milwaukee, Wisconsin

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Maryanne Chrisant

Maryanne Chrisant

The Heart Institute, Joe Dimaggio Children’s Hospital, Hollywood, Florida

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Robert G. Weintraub

Robert G. Weintraub

Department of Paediatrics, The University of Melbourne, Melbourne, Vic, Australia

Department of Cardiology, The Royal Children's Hospital, Melbourne Heart Research Group, Murdoch Children’s Research Institute, Melbourne, Vic, Australia

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Lara Danziger-Isakov

Lara Danziger-Isakov

Pediatric Infectious Diseases, Cincinnati Children's Hospital Medical Center & University of Cincinnati, Cincinnati, Ohio

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Richard Kirk

Richard Kirk

Division of Pediatric Cardiology, University of Texas Southwestern Medical Center, Children's Medical Center, Dallas, Texas

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Oliver Miera

Oliver Miera

Department of Congenital Heart Disease/Pediatric Cardiology, Berlin, Germany

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Ryan R. Davies

Ryan R. Davies

Department of Cardiovascular and Thoracic Surgery, University of Texas Southwestern Medical Center, Children's Medical Center, Dallas, Texas

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Anne I. Dipchand

Anne I. Dipchand

Labatt Family Heart Centre, Hospital for Sick Children, University of Toronto, Toronto, ON, Canada

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First published: 21 March 2020
Citations: 12

[Correction added on June 28, 2021 after first online publication: the name of the ninth author was changed from “Oliver Meira” to “Oliver Miera”.]

Abstract

Heart transplantation (HTx) is a treatment option for end-stage heart failure in children. HTx is limited by the availability and acceptability of donor hearts. Refusal of donor hearts has been reported to be common with reasons for refusal including preexisting donor characteristics. This review will focus on the impact of donor characteristics and comorbidities on outcomes following pediatric HTx. A literature review was performed to identify articles on donor characteristics and comorbidities and pediatric HTx outcomes. There are many donor characteristics to consider when accepting a donor heart. Weight-based matching is the most common form of matching in pediatric HTx with a donor-recipient weight ratio between 0.7 and 3 having limited impact on outcomes. From an age perspective, donors <50 years can be carefully considered, but the impact of ischemic time needs to be understood. To increase the donor pool, with minimal impact on outcomes, ABO-incompatible donors should be considered in patients that are eligible. Other factors to be considered when accepting an organ is donor comorbidities. Little is known about donor comorbidities in pediatric HTx, with most of the data available focusing on infections. Being aware of the potential infections in the donor, understanding the testing available and risks of transmission, and treatment options for the recipient is essential. There are a number of donor characteristics that potentially impact outcomes following pediatric HTx, but these need to be taken into consideration along with their interactions with recipient factors when interpreting the outcomes following HTx.

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