Cardiac Graft Assessment

Cardiac graft assessment is the systematic evaluation of a transplanted heart to determine graft function, identify complications, and guide patient care. Clinicians combine physical examination with echocardiography, electrocardiography, hemodynamic measurements, laboratory tests, and, when indicated, endomyocardial biopsy; biopsy detects immune-mediated tissue injury, while imaging and pressure measurements assess cardiac performance. This monitoring helps identify rejection, graft dysfunction, infection-related changes, and vascular complications before they become severe. Assessment findings support individualized immunosuppressive therapy, inform prognosis, and provide essential evidence for improving outcomes after heart transplantation.

Cardiac Graft Assessment - Related Videos

Research

JoVE Journal - Medicine

Cardiac Loading using Passive Left Atrial Pressurization and Passive Afterload for Graft Assessment

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Cited by 7 •

2024

The protocol describes a porcine ex vivo heart perfusion system in which direct loading of the left ventricle may serve as an assessment technique for graft health while simultaneously providing a holistic evaluation of graft function. A discussion of the system design and possible assessment metrics is also provided.

Respirometric Oxidative Phosphorylation Assessment in Saponin-permeabilized Cardiac Fibers

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Cited by 32 •

2011

Saponin-permeabilized fiber preparation in conjunction with respirometric oxidative phosphorylation analysis provides integrative assessment of mitochondrial function. Mitochondrial respiration in physiological and pathological states can reflect various regulatory influences including mitochondrial interactions, morphology and biochemistry.

Research

JoVE Journal - Medicine
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Technique of Subnormothermic Ex Vivo Liver Perfusion for the Storage, Assessment, and Repair of Marginal Liver Grafts

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Cited by 31 •

2014

Marginal grafts, such as fatty livers, grafts from older donors, or livers retrieved after cardiac death (DCD) tolerate conventional, cold static storage only poorly. We developed a novel model of subnormothermic ex vivo liver perfusion for preservation, assessment, and repair of marginal liver grafts prior to transplantation.

Modified Langendorff Perfusion for Extended Perfusion Times of Rodent Cardiac Grafts

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Cited by 2 •

2024

This article demonstrates the feasibility of achieving longer perfusion times (4 h) of murine cardiac grafts without function loss by employing lower (30-35 mmHg) than physiological (60-80 mmHg) perfusion pressures during Langendorff.

In vitro Assessment of Cardiac Reprogramming by Measuring Cardiac Specific Calcium Flux with a GCaMP3 Reporter

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Cited by 4 •

2022

We describe here, the establishment and application of an Tg(Myh6-cre)1Jmk/J /Gt(ROSA)26Sortm38(CAG-GCaMP3)Hze/J (referred to as αMHC-Cre/Rosa26A-Flox-Stop-Flox-GCaMP3 below) mouse reporter line for cardiac reprogramming assessment. Neonatal cardiac fibroblasts (NCFs) isolated from the mouse strain are converted into induced cardiomyocytes (iCMs), allowing for convenient and efficient evaluation of reprogramming efficiency and functional maturation of iCMs via calcium (Ca2+) flux.

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