Background: Decreased appetite is a symptom often found in chronic kidney disease. Poor appetite may negatively affect food intake, what in long-term may contribute to the development of protein-energy malnutrition.
Methods: An Appetite and Food Satisfaction Questionnaire (AFSQ) was developed consisting of a question that assesses the level of appetite through a facial hedonic scale and five other questions adapted from the Buckner and Dwyer tool that assess some aspects related to food satisfaction. Each question received an arbitrary score of 0 to 3. The sum of the scores ranged from 0, the best, to 18, the worst condition. Nutritional status was assessed through seven-point SGA, bioelectrical impedance, anthropometry, and handgrip strength (HGS).
Results: Eighty-four patients on peritoneal dialysis (PD; 58.3% women, mean age 54.7 ± 14.2 years, and body mass index (BMI) of 26.0 ± 4.8 kg/m) were evaluated. Median AFSQ score was 4.0 (1.0-6.8; median and IQ). Patients were divided into tertiles according to the AFSQ score. Comparing the third tertile (score ≥ 6) with the first tertile (score < 2), the prevalence of malnutrition was greater (32.1% vs. 6.7%, respectively, = 0.005), HGS adequacy was lower (74.6% vs. 87.3%, = 0.001), and body cell mass index (5.7% vs. 7.4%, = 0.001) and lean BMI were lower (11% vs. 13.4%, = 0.001) in the third tertile.
Conclusion: Poor appetite and food satisfaction determined by the questionnaire was related to worse nutritional markers, indicating AFSQ as a valid easy-to-use tool to be applied as an initial screening to identify PD patients with potential risk of malnutrition.
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