Publications by authors named "Yohei Toyama"
Background and Objectives: Extracellular water is increased in patients with edema, such as those with chronic heart failure, and it is difficult to assess skeletal muscle mass with the skeletal muscle mass index when extracellular water is high. We investigated the relationship between phase angle and physical function, nutritional indices, and sarcopenia in patients with cardiovascular diseases, including chronic heart failure. Methods and Study Design: In 590 patients with cardiovascular diseases (372 men), handgrip strength, gait speed, and anterior mid-thigh muscle thickness by ultrasound were measured, and the skeletal muscle mass index, phase angle, and the extracellular water: total body water ratio were measured with a bioelectrical impedance analyzer, and presence of sarcopenia was evaluated.
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- * The results indicated that both skeletal muscle mass index (SMI) and PhA were significantly correlated with factors like age, grip strength, and nutritional status (measured by CONUT score), showing strong connections especially in males.
- * The study concluded that PhA could serve as a valuable indicator of sarcopenia, malnutrition, and cachexia in patients, with specific cut-off values identified for different conditions based on sex.