Cross-sectional study demonstrates an independent link between higher CONUT scores and poorer cognitive performance in peritoneal dialysis patients, highlighting its utility for early screening.
BACKGROUND: Malnutrition is a common complication in patients undergoing peritoneal dialysis (PD) and has been associated with adverse clinical outcomes, including neurocognitive dysfunction. The Controlling Nutritional Status (CONUT) score is an objective laboratory-based nutritional assessment tool; however, its relationship with cognitive performance in PD remains unclear. This study investigated the association between the CONUT score and neurocognitive performance in patients receiving maintenance PD. METHODS: This cross-sectional study included 108 adults undergoing maintenance PD. Nutritional status was assessed using the CONUT score, and patients were classified as having normal nutritional status (CONUT 0-1) or malnutrition (CONUT ≥2). Cognitive performance was evaluated using the Montreal Cognitive Assessment (MoCA). Multivariable linear regression analyses were performed to identify factors independently associated with cognitive performance. RESULTS: = 0.022). CONCLUSIONS: Higher CONUT scores were independently associated with poorer neurocognitive performance assessed by the MoCA in patients undergoing PD. The CONUT score may serve as a practical screening tool for identifying patients at increased risk of early neurocognitive dysfunction.
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Şensoy et al. (2026) studied this question.
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