Life (Basel, Switzerland) · 2024
Phase Angle (PhA) Is an Easy and Complementary Tool for Assessing Nutritional Status in Ulcerative Colitis (UC) Patients: A Cross-Sectional Study.
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Mendoza-Martínez Viridiana Montsserrat, Baños-Vázquez Roberto, Melendez-Mier Guillermo, Carrillo-Rojas Javier Ivanovychs, Santoyo-Chávez Martha Alison, Ontiveros-López Sarahi, Gómez-Coello Annel, Escobedo Galileo, de León-Rendón Jorge Luis, Bueno-Hernández Nallely
Аннотация
BACKGROUND: Accumulating evidence has proposed phase angle (PhA) as a marker for assessing cellular integrity and nutritional status in ulcerative colitis (UC) patients; the aim of the study was to evaluate the efficacy of PhA in assessing nutritional status in patients with UC, investigating its potential as a biomarker of disease activity.
METHODS: We conducted a cross-sectional study in patients with UC and healthy controls. We determined PhA by electrical bioimpedance and categorized participants through bioelectrical impedance analysis. They were classified as normal PhA > 6.1° and low PhA < 6.1° in men and normal PhA > 5.6° and low PhA < 5.6° in women.
RESULTS: PhA was significantly lower in UC patients than in controls (5.8 ± 0.8 vs. 6.6 ± 0.7°; p < 0.001). Among UC patients, participants with low PhA showed a decrease in lean, dry mass (LDM) (p < 0.001), total body water (p = 0.008), and intracellular water (p = 0.005), accompanied by an increase in extracellular water (p = 0.001) compared to UC patients with normal PhA.
CONCLUSIONS: PhA significantly decreases in UC patients compared to healthy controls and is even more reduced when UC is active. A cut-off point of <6.1 for men and <5.6 for women could be suitable for nutritional diagnosis in patients with UC, but it still needs to be validated.
METHODS: We conducted a cross-sectional study in patients with UC and healthy controls. We determined PhA by electrical bioimpedance and categorized participants through bioelectrical impedance analysis. They were classified as normal PhA > 6.1° and low PhA < 6.1° in men and normal PhA > 5.6° and low PhA < 5.6° in women.
RESULTS: PhA was significantly lower in UC patients than in controls (5.8 ± 0.8 vs. 6.6 ± 0.7°; p < 0.001). Among UC patients, participants with low PhA showed a decrease in lean, dry mass (LDM) (p < 0.001), total body water (p = 0.008), and intracellular water (p = 0.005), accompanied by an increase in extracellular water (p = 0.001) compared to UC patients with normal PhA.
CONCLUSIONS: PhA significantly decreases in UC patients compared to healthy controls and is even more reduced when UC is active. A cut-off point of <6.1 for men and <5.6 for women could be suitable for nutritional diagnosis in patients with UC, but it still needs to be validated.