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- Title
Bioelectrical Impedance Vector Analysis, Nutritional Ultrasound ® , and Handgrip Strength as Innovative Methods for Monitoring Critical Anorexia Nervosa Physical Recovery: A Pilot Study.
- Authors
Romero-Márquez, Jose M.; Novo-Rodríguez, María; Novo-Rodríguez, Cristina; Siles-Guerrero, Víctor; Herrera-Montes, Isabel; Navarro-Pelayo, Francisco Garzón; López-de-la-Torre-Casares, Martín; Muñoz-Garach, Araceli
- Abstract
Eating disorders (EDs) manifest as persistent disruptions in eating habits or related behaviors, significantly impacting physical health and psychosocial well-being. Nutritional assessment in ED patients is crucial for monitoring treatment efficacy. While dual-energy X-ray absorptiometry (DEXA) remains standard, interest in alternative methods such as bioelectrical impedance vector analysis (BIVA) and Nutritional Ultrasound® (NU) has risen due to their affordability and portability. Additionally, hand dynamometry offers a user-friendly approach to assessing grip strength (HGS), indicative of nutritional status. A prospective study was carried out to evaluate the utility of BIVA, NU®, and HGS in 43 female AN patients. Measurements were taken at baseline and hospital discharge. A total of 41 patients completed the study. After the intervention, numerous BIVA-related parameters such as fat (3.5 ± 2 kg vs. 5.3 ± 2.7 kg, p < 0.001) and free fat mass (33.9 ± 3.8 kg vs. 37.5 ± 4.1 kg, p < 0.001) were partially restored. Similarly, Nutritional Ultrasound® showed promising results in assessing body composition changes such as total abdominal fat tissue (0.5 ± 0.3 cm vs. 0.9 ± 0.3 cm, p < 0.05). In the same way, rectus femoris cross-sectional area values correlated with clinical outcomes such as free fat mass (0.883, p < 0.05) and appendicular muscle mass (0.965, p < 0.001). HGS reached the normality percentile after the intervention (21.6 ± 9.1 kg vs. 25.9 ± 12.3 kg, p < 0.05), demonstrating a significant association between grip strength and body composition parameters such as free fat mass (0.658, p < 0.001) and appendicular muscle mass (0.482, p < 0.001). Incorporating BIVA-, NU®-, and HGS-enhanced nutritional assessment into the treatment of AN patients offers cost-effective, portable, and non-invasive alternatives to DEXA. These techniques offer valuable insights into changes in body composition and nutritional status, which, in turn, facilitate treatment monitoring and contribute to improved patient outcomes.
- Subjects
PHOTON absorptiometry; HEALTH status indicators; NUTRITIONAL assessment; PILOT projects; BODY composition; BIOELECTRIC impedance; TREATMENT effectiveness; EATING disorders; LONGITUDINAL method; ANOREXIA nervosa; CONVALESCENCE; FOOD habits; NUTRITIONAL status; LEAN body mass; RECTUS femoris muscles; ANTHROPOMETRY; GRIP strength; WELL-being
- Publication
Nutrients, 2024, Vol 16, Issue 10, p1539
- ISSN
2072-6643
- Publication type
Article
- DOI
10.3390/nu16101539