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1.
Arq. bras. cardiol ; 74(3): 197-208, mar. 2000. tab, graf
Article in Portuguese, English | LILACS | ID: lil-265162

ABSTRACT

OBJECTIVE: To assess intermediate-term outcome in children who have undergone orthotopic heart transplantation. METHODS: We carried out a longitudinal and prospective study between October '92 and June '99 comprising 20 patients with ages ranging from 12 days to 7 years (mean of 2.8 years). We employed a double immunosuppression protocol with cyclosporine and azathioprine and induction therapy with polyclonal antithymocyte serum. Survival and complications resulting from the immunosuppression protocol were analyzed. RESULTS: The double immunosuppression protocol and the induction therapy with polyclonal antithymocyte serum resulted in an actuarial survival curve of 90 per cent and 78.2 per cent at 1 and 6 years, respectively, with a mean follow-up period of 3.6 years. One patient died due to acute rejection 40 days after transplantation; another patient died 2 years after transplantation due to lymphoproliferative disorder; a third patient died because of primary failure of the graft; and a fourth patient died due to bronchopneumonia. The major complications were as follows: acute rejection, infection, nephrotoxicity, and systemic hypertension. The means of rejection and infection episodes per patient were 2.9 and 3.4, respectively. After one year of transplantation, a slight reduction in the creatinine clearance and systemic hypertension were observed in 7 (38.9 per cent) patients. CONCLUSION: Heart transplantation made life possible for those patients with complex congenital heart diseases and cardiomyopathies in refractory congestive heart failure constituting a therapeutical option for this group of patients in the terminal phase.


Subject(s)
Humans , Male , Female , Infant, Newborn , Infant , Child, Preschool , Child , Heart Transplantation/methods , Cardiomyopathies/surgery , Follow-Up Studies , Graft Rejection , Heart Defects, Congenital/surgery , Heart Failure/surgery , Heart Transplantation/adverse effects , Immunosuppression Therapy/adverse effects , Immunosuppression Therapy/methods , Longitudinal Studies , Postoperative Complications , Prospective Studies , Survival Analysis
2.
Arq. bras. cardiol ; 71(5): 661-6, nov. 1998. tab, graf
Article in Portuguese | LILACS | ID: lil-241760

ABSTRACT

Objetivo - Estudar o perfil dos parâmetros hemodinâmicos e a evolução clínica de crianças candidatas a transplante cardíaco, portadoras de cardiomiopatia grave. Métodos - Foram 24 crianças, com idade entre 4 meses e 10 anos e 8 meses (média de 3,7+2,5 anos), no período de fevereiro/92 a maio/96, submetidas a estudo hemodinâmico e medidos os seguintes parâmetros: débito cardíaco, pressão média de artéria pulmonar (PMAP) e pressão capilar pulmonar. Foram calculados o índice de resistência vascular pulmonar (IRVP) e gradiente de pressão transpulmonar (GPT). Resultados - Do ponto de vista evolutivo, 10 (41,6 por cento) crianças foram transplantadas (grupo A), 5 (20,8 por cento) aguardam o transplante (grupo B) e 9 (37,6 por cento) faleceram (grupo C). Observou-se que a média das idades dos pacientes do grupo B foi significativamente menor que do grupo C. Dos dados hemodinâmicos, a PMAP, GTP e IRVP apresentaram médias significativamente menores no grupo A em relação ao grupo C. Conclusão - O perfil hemodinâmico de crianças candidatas ao transplante cardíaco mostrou-se compatível ao quadro clínico de insuficiência cardíaca grave. A idade foi o único fator que diferenciou o grupo B e C (p=0,036). O IRVP, PMAP e o GTP foram fatores que diferenciam de modo significativo o grupo A e o grupo C (p=0,010; p=0,044 e p=0,023, respectivamente). Quanto maior a idade no momento da indicação do transplante na criança, pior foi seu prognóstico.


Subject(s)
Infant , Child , Child, Preschool , Humans , Cardiomyopathy, Dilated/surgery , Heart Transplantation , Hemodynamics/physiology , Age Factors , Blood Pressure , Cardiomyopathy, Dilated/complications , Heart Transplantation/physiology , Pulmonary Wedge Pressure
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