Phase Angle, a Cornerstone of Outcome in Head and Neck Cancer

• Published in: Nutrients Vol. 14; no. 15; p. 3030
• Main Authors: Sat-Muñoz, Daniel, Martínez-Herrera, Brenda-Eugenia, González-Rodríguez, Javier-Andrés, Gutiérrez-Rodríguez, Leonardo-Xicotencatl, Trujillo-Hernández, Benjamín, Quiroga-Morales, Luis-Aarón, Alcaráz-Wong, Aldo-Antonio, Dávalos-Cobián, Carlos, Solórzano-Meléndez, Alejandro, Flores-Carlos, Juan-Daniel, Rubio-Jurado, Benjamín, Salazar-Páramo, Mario, Carrillo-Nuñez, Gabriela-Guadalupe, Gómez-Sánchez, Eduardo, Nava-Zavala, Arnulfo-Hernán, Balderas-Peña, Luz-Ma-Adriana
• Format: Journal Article
• Language: English
• Published: Switzerland MDPI AG 24.07.2022; MDPI
• Subjects: Body composition; Body mass index; death; Electric Impedance; Head & neck cancer; head and neck neoplasms; Head and Neck Neoplasms - complications; Head and Neck Neoplasms - therapy; Humans; Larynx; Malnutrition; Malnutrition - diagnosis; Mortality; Musculoskeletal system; Nutritional Status; Obesity; Quality of Life; Questionnaires; relative risk; risk factors; Sarcopenia; surgery; Survival analysis; Weight control; United States > US; Germany; phase angle; head and neck cancer (H&NC); risk of death; survival
• ISSN: 2072-6643; 2072-6643
• DOI: 10.3390/nu14153030

In patients with head and neck cancer, malnutrition is common. Most cases are treated by chemo-radiotherapy and surgery, with adverse effects on the aerodigestive area. Clinical and biochemical characteristics, health-related quality of life, survival, and risk of death were studied. The selected subjects were divided into normal- and low-phase-angle (PA) groups and followed up for at least two years. Mean ages were 67.2 and 59.3 years for low and normal PA, respectively. Patients with PA < 4.42° had significant differences in age, anthropometric and biochemical indicators of malnutrition, and inflammatory status compared to patients with PA > 4.42°. Statistical differences were found in the functional and symptom scales, with lower functional scores and higher symptom scores in patients with low PA. Median survival was 19.8 months for those with PA < 4.42° versus 34.4 months for those with PA > 4.42° (p < 0.001).The relative risk of death was related to low PA (2.6; p < 0.001). The percentage of living patients (41.7%) is almost the same as the percentage of deceased subjects (43.1%; p = 0.002), with high death rates in patients with PA < 4.42°. Phase angle was the most crucial predictor of survival and a risk factor for death in the studied cases.