National Institute of Medical Sciences and Nutrition Salvador Zubiran 2 articles published in JoVE Medicine Evaluation of Changes in Hydration and Body Cell Mass with Bioelectrical Impedance Analysis after Exercise Program for Rheumatoid Arthritis Patients Mariel Lozada-Mellado1,2, José M. García-Morales3, Midori Ogata-Medel3, Juan A. Pineda-Juárez4, Lilia Castillo-Martínez2,3 1Faculty of Higher Studies Ignacio Zaragoza, National Autonomous University of Mexico, 2Master's and Doctoral Program in Medical, Dental and Health Sciences, National Autonomous University of Mexico, 3Clinical Nutrition Service, National Institute of Medical Sciences and Nutrition Salvador Zubirán, 4Research Coordination, National Medical Center November 20 This protocol assesses alterations in hydration and body cell mass status using bioelectrical impedance vectorial analysis following a dynamic exercise program designed for patients with rheumatoid arthritis. The dynamic exercise program itself is detailed, highlighting its components focused on cardiovascular capacity, strength, and coordination. The protocol details steps, instruments, and limitations. Medicine Clinical Application of Phase Angle and BIVA Z-Score Analyses in Patients Admitted to an Emergency Department with Acute Heart Failure Fernanda Bernal-Ceballos1,2, Lilia Castillo-Martínez3, Yunuen Reyes-Paz3, José Luis Villanueva-Juárez3, Thierry Hernández-Gilsoul4 1Master's and Doctoral Program in Medical, Dental, and Health Sciences, National Autonomous University of Mexico, 2Faculty of Higher Studies Ignacio Zaragoza, National Autonomous University of Mexico, 3Clinical Nutrition Service, National Institute of Medical Sciences and Nutrition Salvador Zubirán, 4Emergency Department, National Institute of Medical Sciences and Nutrition Salvador Zubirán In this protocol, we explain how to obtain and interpret phase angle values and bioelectrical impedance vectorial analysis (BIVA) Z-score obtained by bioelectrical impedance in patients with acute heart failure admitted to the Emergency Department and their clinical applicability as a predictive marker for the prognosis of a 90-day event.
