• Jorge F Topete-Reyes, Carlos A López-Lozano, Sandra L López-Báez, Anel V Barbarín-Vázquez, Ma L Cervantes-Villalobos, Jesemil Navarro-Rodríguez, Renato Parra-Michel, H Leonardo Pazarín-Villaseñor, Daniela Meza-Guillén, Margarita Torres-Tamayo, Aída X Medina-Urrutia, and Juan G Juárez-Rojas.
• Instituto Mexicano del Seguro Social, Hospital General Regional 46, Servicio de Nefrología, Guadalajara, Jalisco, México.
• Gac Med Mex. 2019 Jan 1; 155 (3): 229-235.

IntroductionMulti-frequency bio-impedance analysis (BIA) accurately evaluates body composition.ObjectiveTo assess nutritional status and its relationship with body mass index (BMI) or with BIA-obtained phase angle in patients with end-stage renal disease (ESRD) on hemodialysis.MethodBMI, BIA and dialysis malnutrition score (DMS) were assessed in 99 patients on hemodialysis (43.6 ± 17.2 years of age, 58.8% males). Multivariate linear regression analysis was used to determine BMI and phase angle independent associations with DMS.ResultsMalnutrition risk (DMS > 13) showed a gradual increase among patients with normal BMI and phase angle (44.4%), low BMI (45.8%), low phase angle (64.0%), and in those with both parameters at abnormal ranges (68.0%). The phase angle was the only variable that was independently associated with patient nutritional status (standardized coefficient beta -0.372, p < 0.001), accounting for 13.8% of DMS variation.ConclusionPhase angle is inversely and independently associated with malnutrition risk in patients with ESRD, which suggests that BIA-assessed body composition might be better than BMI in the clinical assessment of patients with ESRD.Copyright: © 2019 SecretarÍa de Salud.

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