Força de aperto de mão e estado nutricional de pacientes em hemodiálise
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Data
2012-03-02
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Universidade Federal de Goiás
Resumo
BACKGROUND: Protein energy wasting commonly occur in patients with chronic
kidney disease. Changes in muscle function arise even before changes in
anthropometric and biochemical parameters.Thus, a method for evaluating muscle
function and strength becomes essential for these patients. OBJECTIVES: To
evaluate the handgrip strength (HGS) and its association with nutritional status of
patients with chronic kidney disease on hemodialysis. METHODS: A cross-sectional
study conducted between May and July/2011. The sample included 90 patients,
48.8% male and 51.2% female. The HGS was performed three times with a hydraulic
hand dynamometer (Takei) in the arm without fistula. For each patient were
considered the best strength measure. Values lower than percentile 10 were
considered as low HGS. The nutritional status diagnosis was given by Subjective
Global Assessment (SGA). RESULTS: The average age was 52 ± 14.7 years. The
hypertensive nephrosclerosis was the most frequent cause of chronic kidney disease
(31.1%). The average HGS was among 32.0 ± 8.7kgf in men and 20.7 ± 6.1kgf in
women (p<0.001). 11.3% of men and 21.7% of woman were classified as moderatey
malnourished by SGA, 31.8% and 34.8% of men and women, respectively, were
classified with low muscle function. Low HGS was associated with time on
hemodialysis for men and showed good sensitivity (73.3%) and specificity (74.7%)
for malnutrition diagnosis. In multiple logistic regression analysis, low-power handgrip
strength prevalence was two times higher (PR =2.00, 95% CI: 1.19 to 3.34) for
patients classified as moderate malnourished by SGA. CONCLUSION: This study
showed high prevalence of low muscle function and good association between HGS
and SGA in patients with chronic kidney disease on hemodialysis classified by
dynamometry. It is suggested that HGS, an inexpensive and noninvasive
measurement, can be used in clinical practice as a screening tool of nutritional
status. It is sensitive for malnutrition diagnosis.
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CAMPOS, Marta Isabel Valente Augusto Moraes. Hand grip strength and nutritional status of hemodyalysis patients. 2012. 96 f. Dissertação (Mestrado em Ciencias da Saude) - Universidade Federal de Goiás, Goiânia, 2012.