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Titolo Food Intake Assessment of Elderly Patients on Hemodialysis
Autore Aline Moutinho Martins, MS, Juliana Cordeiro Dias Rodrigues, MS, Fernanda Galvao de Oliveira Santin, MS, Flavia dos Santos Barbosa Brito, PhD, Annie Seixas Bello Moreira, PhD, Roberto Alves Lourenco, PhD, and Carla Maria Avesani, PhD
Referenza Journal of Renal Nutrition 2014; doi.org/10.1053/j.jrn.2014.10.007

Objective: To investigate whether the dietary intake of elderly patients on hemodialysis (HD) is lower than that of elderly individuals with normal renal function. In addition, we also assessed whether the dietary intake of elderly on HD is lower on the dialysis day (DD) than on nondialysis days (non-DD).

Design: A cross-sectional and observational study including elderly on HD and non–chronic kidney disease (non-CKD) elderly.

Subjects: We assessed 54 noninstitutionalized elderly patients on HD (study group) and 47 non-CKD elderly (control group) aged $60 years.

Main Outcome Measures: All participants had their dietary intake assessed by 3-day food diaries. As a sensitivity analysis, we also assessed the dietary intake in the adequate reporters, which were identified when the ratio—energy intake-to-estimated basal metabolic rate—was above 1.27 (Goldberg index).

Results: When comparing dietary intake between the study and control groups, adjusted for sex and underreporting, it was noted that only the intake of protein (b: 29.9; P: .01) and phosphorus (b: 2104; P: .04) were significantly lower in the study group. In addition, when furthering the analysis in the study group by comparing DD with non-DD, it was observed that energy (18 6 7 vs. 21 6 8 kcal/kg/day), protein (0.8 6 0.4 vs. 1.0 6 0.4 g/kg/day), lipids (41 6 20 vs. 48 6 23 g/day), potassium (1371 6 587 vs. 1540 6 484 mg/day), and phosphorous intake (647 6 312 vs. 789 6 287 mg/day), but not carbohydrate (155 6 54 vs. 167 6 55 g/day) and calcium (470 6 345 vs. 518 6 333 g/day) were significantly lower on DDs than on non-DDs, respectively.

Conclusions: Except for protein and phosphorous, energy and nutrient intake of elderly patients on HD are similar to that of non-CKD elderly. In addition, the dietary intake is lower on DDs, highlighting the importance of focusing efforts to improve nutritional intake mainly during the day of dialysis treatment.

Data 09.02.2015
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