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• W2149133728 abstract "OBJETIVO: Padronizar mOtodo ultra-sonogrAEfico de biometria hepAEtica em crianAas, visando estabelecer maior precisao nos planos de corte e minimizar o fator operador-dependŒncia; testar a reprodutibilidade intra-obser- vador. CASU˝STICA E M…TODO: A hepatometria ultra-sonogrAEfica foi realizada em 32 crianAas, entre 0 e 6 anos de idade, sem doenAa hepAEtica ou das vias biliares. Todas as crianAas foram examinadas por um mesmo observador, em duas ocasiies diferentes (exames 1 e 2). Os planos seccionais foram estabelecidos inter- relacionando linhas de orientaAao externas a reparos anatUmicos intra-abdominais, extra e intra-hepAEticos. Para anAElise comparativa das medidas dos exames 1 e 2 foi utilizado o teste t pareado. O coeficiente de Pearson foi empregado para anAElise de correlaAao: a) dos par‚metros entre si; b) entre a idade das crianAas e a diferenAa das medidas dos exames 1 e 2. RESULTADOS: ? anAElise estatIstica nao houve: a) diferenAa significante no estudo da variabilidade intra-observador; b) correlaAao significante entre a diferenAa das medidas e as idades dos pacientes. Verificamos que os par‚metros estao, no geral, direta e altamente cor- relacionados entre si (r > 0,60). CONCLUSO: O mOtodo O reprodutIvel por um mesmo observador. As medidas dos di‚metros cr‚nio-caudal na linha mOdio-esternal e cr‚nio-caudal posterior na linha hemiclavi- cular, usando referenciais anatUmicos intra-hepAEticos, mostraram-se precisas e mais prAEticas que as demais. Unitermos: FIgado n dimensies; Biometria; CrianAas; Ultra-som. Sonographic biometry of the liver in children: proposal of a new method. OBJECTIVE: The objectives of this study are: (1) to standardize the sonographic biometry method to deter- mine the size of the liver in children in order to obtain a greater precision of the section planes and to mini- mize operator-dependant error; (2) to test intra-observer reproducibility. CASUISTIC AND METHOD: Sonographic measurements of the liver were performed by a single examiner in 32 children (aged 0 to 6 years) with no liver or biliary system disease. The measurements were done in two different occasions (ex- ams 1 and 2) to determine reproducibility. The section planes were based on external orientation lines re- lated to intra-abdominal anatomic references, both extra and intra-hepatic. The values obtained in exams 1 and 2 were compared using a Studentis paired t-test. The Pearsonis coefficient was employed to determine the correlation among parameters as well as the correlation between the childrenis age and the difference in the values of exams 1 and 2. RESULTS: The statistical analysis revealed no significant intra-observer variability and no significant correlation between measurementsi difference and childrenis age. In general, parameters were directly and highly correlated (r > 0.60). CONCLUSION: We concluded that the method is reproducible when performed by a same examiner. The measurements of the cranio-caudal diameter at the midsternal line and the posterior cranio-caudal diameter at the midclavicular line, based on intra-hepatic anatomic references, were precise and easier to perform than other routine measurements. Abstract" @default.
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• W2149133728 date "2003-01-01" @default.
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• W2149133728 title "HEPATOMETRIA ULTRA-SONOGRFICA EM CRIANAS: PROPOSTA DE NOVO M…TODO*" @default.
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