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[Cardiac transplantation. Indications, delays, surveillance]
P Merlet1, C Benvenuti, P Deleuze
1Service de cardiologie, Hôpital Henri-Mondor, Créteil.
Insights
Cardiac transplantation numbers are rising, but it remains a procedure for select patients. Prognostic factors like ejection fraction and NYHA class help determine suitability for heart transplant candidates.
Area of Science:
- Cardiology
- Transplantation Medicine
- Medical Prognostics
Background:
- Cardiac transplantation is increasingly performed with satisfactory outcomes.
- The rise in heart transplants necessitates careful patient selection.
- Determining high-risk populations for congestive heart failure remains a challenge.
Purpose of the Study:
- To review prognostic parameters for heart transplant candidates.
- To discuss the evolving criteria for cardiac transplantation.
- To highlight the importance of individualized patient assessment.
Main Methods:
- Review of existing literature on prognostic indicators in heart failure.
- Analysis of established parameters for cardiac transplant evaluation.
- Discussion of neuro-hormonal determinants and imaging techniques.
Main Results:
- Key prognostic factors include left ventricular ejection fraction, NYHA class, and right heart catheterization data.
- Functional capacity, cardiothoracic ratio, and ischemic etiology are also significant.
- Neuro-hormonal factors require further investigation, especially with current medical therapies.
Conclusions:
- Cardiac transplantation should be reserved for carefully selected patients.
- Individualized assessment using discriminant prognostic parameters is crucial.
- Optimizing medical therapy based on objective criteria can improve survival for transplant candidates.
Abstract:
The number cardiac transplantation has been dramatically increasing for the last year and the results are satisfactory regarding survival or functional capacity. The observed increase of cardiac transplantation may tend to vulgarize it. However, this intervention should be only considered in a selected group of patients who have no other option. Many reports concerned various technical approach for a clearcut determination of high and low risk population of patients with congestive heart failure. But, considering individual patients, the value of each prognostic parameter remains unresolved. Nevertheless the more discriminant parameters for the prognosis assessment are: the left ventricular ejection fraction, the NYHA class, right heart catheterization data, the functional capacity, the cardiothoracic ratio on chest X ray, the ischemic etiology of the disease. The role of neuro-hormonal determinant such as norepinephrine circulating concentration or cardiac uptake on MIBG imaging should be further investigated, especially for patients treated by ACE inhibitors or beta blockers. Contraindications for cardiac transplantation are less restrictive, nowadays. Concerning patients selected, and waiting for heart transplantation or patients non primary selected survival can be improved by adjusting medical therapy on objective efficacy criteria.