Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.4/505
Título: Cardiac allograft systolic function. Is the aetiology (ischaemic or idiopathic) a determinant of ventricular function in the heart transplant patient?
Autor: Antunes, MJ
Biernet, M
Sola, E
Oliveira, L
Prieto, D
Franco, F
Providência, LA
Palavras-chave: Insuficiência Cardíaca
Transplantação de Coração
Sobrevivência de Enxerto
Data: 2008
Citação: Interact Cardiovasc Thorac Surg. 2008 Aug;7(4):586-90
Resumo: The natural history of the LV systolic function (LV-SF) and functional capacity of survivors of heart transplantation (Htx) has not been defined. Some investigators suggest that SF may be different in recipients with different pre-transplant aetiologies: ischaemic or dilated, idiopathic disease. Routine transthoracic echocardiograms (TTE) were performed during a 1-year follow-up in 48 Htx recipients (total 864 examinations; mean 18/patient). Patients were divided into two groups based on pre-transplant diagnosis: ischaemic (CAD-CMP: n=13, age 54+/-1.7 years, 23% females) and idiopathic dilated cardiomyopathy (ID-CMP: n=35, age 51+/-2.3 years, 26% females). Patients with valvular and toxic aetiology were excluded. All patients underwent left ventriculography (VENT) 12-15 months after Htx. The majority of 1-year survivors of Htx maintained normal LV-SF: mean LVEF 65+/-4% by echocardiography and 68+/-3% by ventriculography, but in the ID-CMP group LVEF was significantly higher: 67+/-4% vs. 62+/-4% (TTE) and 77+/-4% vs. 60+/-4% (VENT), without significant differences in functional capacity (NYHA). 82.9% of ID-CMP patients had LVEF >65% vs. 39% in CAD-CMP. The incidence of acute cellular rejection, freedom from cardiac vasculopathy, renal failure, diabetes, hypertension and pre-transplant alloantibody level was similar. Our study shows a strong correlation between pre-transplant heart disease and the systolic function of the cardiac allograft at 1-year follow-up.
URI: http://hdl.handle.net/10400.4/505
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