Influência dos critérios de indexação da massa do ventrículo esquerdo no diagnóstico de hipertrofia ao ecocardiograma em crianças com insuficiência renal crônica

2016 
Fundamento: O diagnostico ecocardiografico de hipertrofia ventricular esquerda (HVE) em criancas baseia-se no calculo damassa do ventriculo esquerdo (VE) indexada. Entretanto, o criterio de indexacao ainda nao e consenso.Objetivo: Comparar diferentes criterios usados no diagnostico de HVE a ecocardiografia em criancas.Metodo: Foram incluidas criancas com doenca renal cronica (DRC) em dialise (grupo DI) ou em tratamento conservador (grupoTC). Foram obtidas as medidas e calculada a massa do VE conforme recomendado. Os criterios de HVE utilizados foram: 1)massa (g) – HVE conforme genero e area da superficie corporal (ASC); 2) massa (g) indexada a ASC (g/m2) – HVE conforme genero e ASC; 3) massa em gramas indexada a altura (m) a potencia de 2,7 (g/m2,7) – diagnostico de HVE conforme nomograma de idade, genero e altura; 4) escore z http://parameterz.blogspot.com/2008/09/lv-mass-z-scores – HVE se > 2 desvios-padrao).As proporcoes de HVE foram comparadas por teste do X2; significante se p Background: the echocardiographic diagnosis of left ventricular hypertrophy (LVH) in children is based on the indexed left ventricle mass calculation.However, the indexation criterion is still not defined.Objective: to compare different criteria used for the diagnosis of LVH by echocardiography in children.Method: The study included children with chronic renal disease (CRD) in dialysis (DI) or in conservative treatment (CT). Measures for left ventriclemass calculation were obtained as recommended. The criteria used for LVH were: 1) mass (g) – LVH according to gender and body surface area(BSA, m2) – based on large study of normal Brazilian children; 2) mass indexed to body surface area (g/m2) – LVH according to gender and bodysurface area (BSA, m2) – based on large study of normal Brazilian children; 3) g/altura2,7 but diagnosis of LVH by a nomogram of age, gender andheight; 4) z score (http://parameterz.blogspot.com/2008/09/lv-mass-z-scores) – LVH if > 2 standard-deviation. The proportion of LVH among thegroups were compared by X2; significant if p
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