Journal
HEAD AND NECK-JOURNAL FOR THE SCIENCES AND SPECIALTIES OF THE HEAD AND NECK
Volume 41, Issue 9, Pages 3247-3257Publisher
WILEY
DOI: 10.1002/hed.25830
Keywords
bioelectrical impedance; head and neck cancer; microRNA; phase angle; radiotherapy
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Background Nutritional deficits developing as an effect of applied radiotherapy (RTH) negatively affect patients' quality of life, survival, and therapy outcomes. We demonstrated novel approach to prediction of RTH-induced changes in body composition of patients with head and neck cancer using phase angle (PA) derived from bioelectrical impedance in combination with miRNA-181a expression. Results Patients with simultaneous presence of low PA and high miRNA expression were at a significantly higher risk of decreasing the fat-free mass index (FFMI) <14.9 kg/m(2) (odds ratio [OR] = 5.14; P = .02), FFM < 44.7 kg (OR = 6.20; P = .04), and lean mass (OR = 10.0; P = .04) during the therapy period. Receiver operating curve analysis allowed to predict changes in FFMI, lean mass, and FFM with area under the curve calculation over 0.700. The simultaneous presence of high miRNA and low PA negatively affected patients' survival (OR = 5.12; P = .02). Conclusion Evaluation of PA in combination with miRNA demonstrates higher diagnostic accuracy and predictive value for detecting RTH-induced changes in body composition of patients with cancer.
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