Donor Heart Model

A donor heart model is an experimental, computational, or ex vivo representation of a heart considered for transplantation, designed to clarify cardiac function and transplant suitability. Depending on the platform, it reproduces anatomical features, hemodynamic behavior, electrical activity, or perfusion conditions, allowing researchers to examine how the heart responds to injury, preservation, and reconditioning after donation. In medicine, donor heart models support assessment of organ viability, refinement of preservation and transplantation protocols, and investigation of graft dysfunction. They also provide controlled systems for testing emerging therapies while reducing reliance on immediate clinical experimentation and helping improve the use of limited donor organs.

Donor Heart Model - Related Videos

Research

JoVE Journal - Medicine

Using an Isolated Working Rat Heart Model to Test Donor Heart Preservation Strategies

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2024

We describe an ex vivo isolated working rat heart protocol to test donor heart preservation strategies. This paper describes the protocol for use in static cold storage of rodent donor hearts; however, the protocol can also be used for donor hearts obtained after donation after circulatory death and brain death.

Cuff-Free Suture-Based Cervical Model for Secondary Heterotopic Heart Transplantation to Evaluate Donor-Specific Immune Tolerance in Mice

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2026

This protocol presents a cuff-free, suture-based cervical heterotopic heart transplantation technique in mice, designed to enable the reliable placement of a second heterotopic cardiac graft for evaluating donor-specific immune tolerance under physiological conditions with minimal interference from foreign material.

A Standardized Pig to Macaque Heterotopic Heart Xenotransplantation Model

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Cited by 1 •

2025

This study presents a pre-clinical heterotopic abdominal heart xenotransplantation model using α-Gal knockout (GTKO) pigs and macaques. The model incorporates optimized recipient selection, vascular anastomosis techniques, and perioperative management strategies. It is suitable for evaluating novel immunosuppressive agents and provides a convenient platform for advancing heart xenotransplantation.

Transplantation of Pulmonary Valve Using a Mouse Model of Heterotopic Heart Transplantation

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Cited by 7 •

2014

In order to understand the cellular and molecular mechanisms underlying neotissue formation and stenosis development in tissue engineered heart valves, a murine model of heterotopic heart valve transplantation was developed. A pulmonary heart valve was transplanted to recipient using the heterotopic heart transplantation technique.

Murine Cervical Heart Transplantation Model Using a Modified Cuff Technique

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Cited by 26 •

2014

The murine cervical heart transplantation model is well suited for immunological as well as ischemia reperfusion injury studies. We modified the procedure using a non-suture cuff technique and performed more than 1,000 successful transplants with this approach. Herein, we provide additional details of this technique to supplement the video.

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