ArticleArquivos brasileiros de cardiologia2024
Comparative Analysis of Conventional and Speckle Tracking Echocardiographic Variables between Patients with Unrejected Heart Transplants and Healthy Individuals.
Article in Arquivos brasileiros de cardiologia, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Do We Need New Echocardiographic Parameters for Transplant Recipients without Rejection?Arquivos brasileiros de cardiologia · 2024Article
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9 authors.
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Abstract
backgroundEchocardiography is essential for the assessment of patients with heart transplants. However, normal values in such individuals are not clearly defined.
objectivesTo compare conventional echocardiographic and speckle tracking variables between patients with unrejected heart transplants and healthy individuals.
methods:A prospective study was conducted with adult patients having undergone heart transplantation at least one year earlier and submitted to endomyocardial biopsy followed by transthoracic echocardiogram (TTE). Conventional TTE measures and mechanical heart strain assessments using speckle tracking were performed and the results were compared to those of a group of healthy volunteers. Statistical significance was set at 5% (p < 0.05).
resultsThirty-six transplant patients without rejection were analyzed and compared to 30 healthy individuals. Chagas disease was the main reason for transplantation. Lower left ventricular global longitudinal strain expressed in absolute values was found (11.99% in transplant patients vs. 20.60% in controls; p <0.0001), right ventricular free wall longitudinal strain (16.67% in transplant patients vs. 25.50% in controls; p <0.0001) and myocardial work indices (p < 0.0001) as well as a larger size of the left atrium (38.17 ml/m2 in transplant patients vs. 18.98 ml/m2 in controls; p <0.0001) and greater mass and relative wall thickness (p <0.0001).
conclusionStable patients having undergone heart transplants without rejection have differences concerning echocardiographic variables compared to healthy individuals. These findings indicate that conventional echocardiographic measures and heart mechanics are altered in transplant patients even in the absence of rejection. Such findings are relevant to the clinical context and follow-up of the patient.
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