Recipient selection and management

Andrew Boyle1, Monica Colvin-Adams

  • 1Division of Cardiology, University of Minnesota, Minneapolis, MN 55455, USA. boyle033@umn.edu

Insights

Cardiac transplantation is vital for end-stage heart failure but requires careful patient selection. Thorough evaluations and priority status ensure appropriate organ allocation for heart transplant recipients.

Area of Science:

  • Cardiology
  • Transplantation Surgery
  • Medical Ethics

Background:

  • Stage D heart failure necessitates advanced treatment, with cardiac transplantation as a definitive solution.
  • Limited donor organ availability underscores the critical need for judicious patient selection in heart transplantation.
  • Exploring all medical and surgical alternatives is paramount before considering patients for cardiac transplantation.

Purpose of the Study:

  • To outline the essential criteria and processes for evaluating and selecting patients for cardiac transplantation.
  • To emphasize the importance of excluding comorbidities that may contraindicate transplantation.
  • To describe the organ allocation system for cardiac transplant recipients.

Main Methods:

  • Review of current guidelines and practices for cardiac transplantation evaluation.
  • Identification of key comorbidities impacting transplant candidacy, including renal dysfunction, pulmonary hypertension, and panel reactive antibody levels.
  • Explanation of the organ allocation system based on patient priority status and donor matching factors.

Main Results:

  • A comprehensive evaluation is necessary to identify suitable candidates for heart transplantation.
  • Exclusion of patients with significant comorbidities is crucial for successful outcomes.
  • Organ allocation prioritizes patients based on illness severity, blood type, body size, and wait time.

Conclusions:

  • Cardiac transplantation is a life-saving option for advanced heart failure, contingent on rigorous patient selection.
  • Effective resource utilization in organ transplantation depends on a systematic evaluation and allocation process.
  • Careful consideration of patient comorbidities and allocation criteria optimizes the use of donor hearts.

Related Concept Videos

Antibiotic Selection00:57

Antibiotic Selection

Overview
Types of Selection01:46

Types of Selection

Natural selection influences the frequencies of particular alleles and phenotypes within populations in several different ways. Primarily, natural selection can be directional, stabilizing, or disruptive. Directional selection favors one extreme trait and shifts the population towards that phenotype while selecting against individuals displaying alternate traits. Stabilizing selection favors an intermediate trait with a narrow range of variation. Deviation from the optimal phenotype towards an...
Frequency-dependent Selection01:21

Frequency-dependent Selection

When the fitness of a trait is influenced by how common it is (i.e., its frequency) relative to different traits within a population, this is referred to as frequency-dependent selection. Frequency-dependent selection may occur between species or within a single species. This type of selection can either be positive—with more common phenotypes having higher fitness—or negative, with rarer phenotypes conferring increased fitness.Positive Frequency-Dependent SelectionIn positive...
Woodward–Hoffmann Selection Rules and Microscopic Reversibility01:34

Woodward–Hoffmann Selection Rules and Microscopic Reversibility

Electrocyclic reactions, cycloadditions, and sigmatropic rearrangements are concerted pericyclic reactions that proceed via a cyclic transition state. These reactions are stereospecific and regioselective. The stereochemistry of the products depends on the symmetry characteristics of the interacting orbitals and the reaction conditions. Accordingly, pericyclic reactions are classified as either symmetry-allowed or symmetry-forbidden. Woodward and Hoffmann presented the selection criteria for...
Nursing Interventions II: Selecting and Classifying the Nursing Interventions01:29

Nursing Interventions II: Selecting and Classifying the Nursing Interventions

Creating and executing a nursing diagnosis helps nurses plan care and guide patient, family, and community interventions. They are developed based on a patient's physical evaluation and support measuring the outcomes. It is not recommended to select random interventions throughout the planning process. Instead, consider the following six essential factors when choosing interventions:
Dose-Response Relationship: Selectivity and Specificity01:25

Dose-Response Relationship: Selectivity and Specificity

Drugs exert their therapeutic effects by interacting with receptors, enzymes, or ion channels that are present throughout the human body. The strength and duration of the interaction between a drug and its target receptor are characterized by the selectivity and specificity of the drug. Selectivity refers to a drug's strong preference for its intended target over other targets. For instance, isoprenaline, a non-selective β-adrenergic agonist, interacts with both β1- and β2-adrenergic receptors...