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1.
Einstein (Säo Paulo) ; 13(2): 310-318, Apr-Jun/2015. tab
Article in English | LILACS | ID: lil-751427

ABSTRACT

ABSTRACT Heart transplantation is currently the definitive gold standard surgical approach in the treatment of refractory heart failure. However, the shortage of donors limits the achievement of a greater number of heart transplants, in which the use of mechanical circulatory support devices is increasing. With well-established indications and contraindications, as well as diagnosis and treatment of rejection through defined protocols of immunosuppression, the outcomes of heart transplantation are very favorable. Among early complications that can impact survival are primary graft failure, right ventricular dysfunction, rejection, and infections, whereas late complications include cardiac allograft vasculopathy and neoplasms. Despite the difficulties for heart transplantation, in particular, the shortage of donors and high mortality while on the waiting list, in Brazil, there is a great potential for both increasing effective donors and using circulatory assist devices, which can positively impact the number and outcomes of heart transplants.


RESUMO O transplante cardíaco é atualmente a abordagem cirúrgica definitiva padrão-ouro no tratamento da insuficiência cardíaca refratária. No entanto, a escassez de doadores limita a realização de um número maior de transplantes cardíacos, situação em que vem aumentando a utilização de dispositivos de assistência circulatória mecânica. Com indicações e contraindicações bem estabelecidas, além de diagnóstico e tratamento de rejeição, por meio de protocolos definidos de imunossupressão, os resultados do transplante cardíaco são muito favoráveis. Dentre as complicações precoces que podem impactar a sobrevida, destacamos a disfunção primária do enxerto, a disfunção do ventrículo direito, rejeição e infecções; já as complicações tardias incluem a doença vascular do enxerto e as neoplasias. Apesar das dificuldades para realização do transplante cardíaco, em especial pela escassez de doadores e pela elevada mortalidade em fila de espera, no Brasil, existe um grande potencial, tanto no aumento de doadores efetivos, quanto na utilização de dispositivos de assistência circulatória, o que pode vir a impactar positivamente no número e nos resultados do transplante cardíaco.


Subject(s)
Humans , Postoperative Complications , Opportunistic Infections/complications , Heart Transplantation , Primary Graft Dysfunction/complications , Graft Rejection/complications , Heart Failure/surgery , Tissue Donors/supply & distribution , Brazil , Chagas Cardiomyopathy/surgery , Chagas Cardiomyopathy/complications , Heart-Assist Devices , Heart Transplantation/methods , Heart Transplantation/trends , Immunosuppression Therapy/adverse effects , Immunosuppression Therapy/methods , Graft Rejection/classification , Graft Rejection/physiopathology , Neoplasms/complications , Neoplasms/chemically induced
2.
Rev. cuba. med ; 51(2): 129-137, abr.-jun. 2012.
Article in Spanish | LILACS | ID: lil-642052

ABSTRACT

Introducción: las complicaciones cardiovasculares son frecuentes y constituyen la principal causa de muerte en los pacientes con trasplantes renales, su alta incidencia está dada por múltiples factores de riesgo. Objetivos: determinar la frecuencia de la hipertrofia del ventrículo izquierdo como marcador de daño cardiovascular, y los factores de riesgo que facilitarían su aparición. Métodos: se hizo un estudio prospectivo, de corte transversal y de tipo casos y controles, a 70 enfermos con trasplantes renales a los cuales se les realizó un ecocardiograma convencional para determinar la presencia o no de hipertrofia del ventrículo izquierdo y se relacionó, mediante un estudio univariado y multivariado (regresión logística), con factores de riesgo cardiovascular. Resultados: las afecciones cardiovasculares constituyeron la segunda causa de pérdida de los pacientes en este estudio (33,1 porciento), La hipertrofia del ventrículo izquierdo se encontró en 45 (64 porciento) de los enfermos pesquisados. La dislipemia, el uso de la ciclosporina A y la disfunción del injerto, fueron las complicaciones que constituyeron, tanto en el estudio univariado como multivariado (factor independiente), p < 0,05, condicionales que favorecieron la existencia de hipertrofia del ventrículo izquierdo, aseveraciones estas que constituyen las conclusiones de la investigación...


Introduction: the cardiovascular complications are frequent and are the leading cause of death in patients underwent renal transplantation and its high incidence is due to multiple risk factors. Objectives: to determine the frequency of the left ventricle hypertrophy as a marker of cardiovascular damage and the risk factors leading to its appearance. Methods: a case-control, cross-sectional and prospective study was conducted in 70 patients with renal transplantations and underwent a conventional echocardiogram to determine the presence or not of left ventricle hypertrophy and it was related to cardiovascular risk factors by means of a univariate and multivariate study (logistic regression) with cardiovascular risk factors. Results: the cardiovascular affections were the second cause of loss of patients in present study (33,1 porciento). The left ventricle hypertrophy was found in the 45 (64 porceinto) of screened patients. The dyslipidemia, the use of A cyclosporine and the graft dysfunction, were the complications in the univariate and the multivariate study (independent factor) , p < 0,05, the conditional favoring the existence of left ventricle hypertrophy, assertions that are the research conclusions...


Subject(s)
Humans , Primary Graft Dysfunction/complications , Hypertrophy, Left Ventricular/epidemiology , Hypertrophy, Left Ventricular/etiology , Kidney Transplantation/adverse effects , Case-Control Studies , Cross-Sectional Studies , Prospective Studies
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