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Master's Dissertation
DOI
10.11606/D.5.2012.tde-04042012-111142
Document
Author
Full name
Natalia Cristina Lima Rodrigues
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2012
Supervisor
Committee
Waitzberg, Dan Linetzky (President)
Burdmann, Emmanuel de Almeida
Pereira, Claudia Cristina Alves
Title in Portuguese
Análise do desempenho da bioimpedância elétrica e somatória de pregas cutâneas na avaliação da composição corporal em pacientes renais dialíticos
Keywords in Portuguese
Avaliação nutricional
Composição corporal
Hemodiálise
Insuficiência renal crônica
Abstract in Portuguese
Introdução: Em pacientes com insuficiência renal crônica em tratamento de hemodiálise (HD), existe necessidade de ferramenta simples, segura e eficaz para avaliar a composição corporal (CC) e permitir diagnóstico de suas alterações, com finalidade de planejamento e monitoramento de tratamento nutricional. Objetivo: Em 60 pacientes em insuficiência renal dialítica determinou-se a eficiência da análise de bioimpedância elétrica (BIA) e a somatória das pregas cutâneas (SPC) na estimativa da gordura corporal total. Métodos: Estudo prospectivo, observacional de comparação de gordura corpórea total (GC) e massa magra total (MM) estimadas, antes e após hemodiálise,por BIA multifrequencial e pela SPC com os valores estimados pelo método de referência, pletismografia a ar de deslocamento (PDA). Resultados: A média estimada GC (kg,%) observado por PDA antes da hemodiálise (HD) foi 17,95 kg ± 0,99 (IC 95% 16,00-19,90) e 30,11% ± 1,30 (IC 95% 27,56-32,66); após hemodiálise (HD), foi 17,92 kg ± 1,11 (IC 95% 15,74-20 10) e 30,04% ± 1,40 (IC 95% 27,28-32,79). Em nenhum período do estudo encontrou-se diferença de GC e de MM (para kg e %) estimadas pelo método SPC em comparação com PDA, no entanto, o BIA subestimou a GC e superestimou a MM (para kg e %) quando comparado com PDA. Conclusão: O método SPC mostrou resultados semelhantes aos PDA e pode ser considerado adequado para avaliação GC em pacientes HD. A BIA não foi considerada método para ser utilizado nessas condições
Title in English
Performance analysis of bioelectrical impedance analysis and sum of skinfolds in assessing body composition in renal dialysis patients
Keywords in English
Body composition
Chronic renal failure
Hemodialysis
Nutritional assessment
Abstract in English
Introduction: In patients with chronic renal failure on hemodialysis (HD), there is need for simple tool, safe and effective for assessing body composition (BC) diagnosis and allow your changes, with the purpose of planning and monitoring of nutrition therapy. Objective: In 60 patients in renal dialysis efficiency was determined from the analysis of bioelectrical impedance analysis (BIA) and sum of skin folds (SPC) in the estimation of total body fat. Methods: Prospective, observational comparison of total body fat (BF) and total lean mass (LM) estimated before and after hemodialysis by multifrequency BIA and the SPC with the values estimated by the reference method, air displacement plethysmography (PDA). Results: The estimated average GC (kg,%) observed by PDA prior to hemodialysis (AHD) was 17.95 kg ± 0.99 (95% CI 16.00 to 19.90) and 30.11 ± 1.30% (95% CI 27.56 to 32.66), after hemodialysis (DHD) was 17.92 kg ± 1.11 (95% CI 15.74 to 20 10) and 30.04% ± 1.40 (IC 95% from 27.28 to 32.79). At no period of the study there was a difference of GC and MM (for kg and%) estimated by the SPC method compared with PDA, however, the BIA underestimated FFM and overestimated GC (for kg and%) compared to PDA. Conclusion: The SPC method showed similar results to PDA and can be considered adequate for evaluating GC in HD patients. The BIA was not considered to be the method used in these conditions
 
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Publishing Date
2012-04-11
 
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