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National Institute of Medical Sciences and Nutrition Salvador Zubirán

2 ARTICLES PUBLISHED IN JoVE

Medicine

Clinical Application of Phase Angle and BIVA Z-Score Analyses in Patients Admitted to an Emergency Department with Acute Heart Failure

Fernanda Bernal-Ceballos^1,2, 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.

Medicine

Evaluation of Changes in Hydration and Body Cell Mass with Bioelectrical Impedance Analysis after Exercise Program for Rheumatoid Arthritis Patients

Mariel Lozada-Mellado^1,2, José M. García-Morales³, Midori Ogata-Medel³, Juan A. Pineda-Juárez⁴, Lilia Castillo-Martínez^2,3

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.