Assessment criteria to diagnose malnutrition (undernutrition and overnutrition) in haemodialysis patients.

This study aimed to determine if adapted Global Leadership Initiative on Malnutrition (GLIM) criteria can diagnose overnutrition, in addition to undernutrition, in hemodialysis patients. Additionally, it compared the adapted GLIM criteria with the Subjective Global Assessment (SGA) for diagnosing undernutrition. A cross-sectional, descriptive study design with an analytical component was utilized. An interviewer-administered questionnaire (IAQ) was completed with 116 adult participants from two public renal units in Cape Town. Data collection included demographic, medical, and anthropometric information, incorporating the established SGA tool and the adapted GLIM criteria. Of the participants, 58% were female, with a mean age of 41.04 years (SD 10.6). The primary causes of renal failure were hypertension (38%) and glomerular disease (33%). The median weight was 64.74 kg (IQR 16.4) and the mean BMI was 25.44 kg/m The adapted GLIM criteria effectively assessed overnutrition as well as undernutrition in hemodialysis patients. It identified a significant proportion of patients misclassified as well-nourished by SGA who were actually overnourished. The adapted GLIM showed good sensitivity and specificity for diagnosing undernutrition in this population.

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