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Revista chilena de nutrición

On-line version ISSN 0717-7518


DUARTE, Ricardo da Silva et al. Association of the phase angle with nutritional status assessment parameters in hemodialysis patients. Rev. chil. nutr. [online]. 2019, vol.46, n.2, pp.99-106. ISSN 0717-7518.

Energy-protein malnutrition is highly prevalent in dialysis patients, being an important marker of risk for morbidity and mortality. Among the various parameters available for assessing nutritional status, the phase angle (PA) measurement has been indicated as a useful marker for evaluating patients on hemodialysis (HD).


To evaluate the association of PA with parameters of nutritional status in patients on HD.


We performed a cross-sectional, observational study from February to July, 2016, in two hemodialysis units, in the city of Recife, Northeastern Brazil.


A total of 101 patients were evaluated, with a mean age of 51.7±16.8 years and mean BMI of 24.3±4.5kg/m². The mean PA was 5.6±1.7°. PA was inversely correlated with age (r= −0.222; p= 0.024), fat% (r= −0.219; p= 0.026) and positively with height (r= 0.267; p= 0.003), velocity speed (r= 0.267; p= 0.003), skeletal muscle mass index (r= 0.269; p= 0.006), fat free mass (r= 0.303; p= 0.002) and serum creatinine (r= 0.278; p= 0.004).


PA was associated with some parameters of nutritional status. Thus, it may be an additional useful measure to reflect nutritional status and to evaluate sarcopenia in patients on HD.

Keywords : Hemodialysis; Nutritional status; Phase angle; Sarcopenia.

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