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The quantitative ultrasound method for assessing low bone mass in women with anorexia nervosa. | LitMetric

AI Article Synopsis

  • - This study explored the effectiveness of quantitative ultrasound (QUS) in assessing low bone mass in anorexia nervosa (AN) patients, finding significant reductions in bone parameters compared to healthy controls.
  • - A total of 207 young women participated, including 134 AN patients and 73 controls, with bone mass evaluated through both QUS and DXA techniques, revealing strong correlations between QUS measurements and bone mineral density (aBMD).
  • - The results indicated that QUS could serve as a valuable non-invasive tool for monitoring bone health in AN patients, as it correlates well with other clinical measures like weight and BMI, while showcasing its potential usability in clinical settings.

Article Abstract

Unlabelled: This study investigated the potential role of quantitative ultrasound (QUS) to assess low bone mass in anorexia nervosa patients (AN). Bone parameters from QUS and DXA were positively correlated and significantly reduced in AN compared with controls, suggesting that QUS is a pertinent technique to assess low bone mass in these patients.

Purpose: The aim of this study was to investigate the potential role of an alternative technique, quantitative ultrasound (QUS), to assess low bone mass in patients with anorexia nervosa (AN).

Methods: Two hundred seven young women (134 patients with AN and 73 healthy controls) with ages ranging from 14.4 to 38.4 years participated in this observational cross-sectional study. Bone mass was concomitantly evaluated by DXA to determine areal bone mineral density (aBMD; g/cm) at hip, lumbar spine, and radius and by QUS to determine broadband ultrasound attenuation (BUA; dB/MHz) at the heel.

Results: BUA (66.5 ± 4.6 dB/MHz vs 61.0 ± 5.0 dB/MHz) and aBMD at the hip (0.916 ± 0.013 g/cm vs 0.806 ± 0.010 g/cm), lumbar spine (0.966 ± 0.012 g/cm vs 0.886 ± 0.010 g/cm), and radius (0.545 ± 0.005 g/cm vs 0.526 ± 0.04 g/cm) were significantly decreased (p < 0.01) in patients with AN compared with controls. When patient and control data were pooled, BUA was significantly correlated with aBMD at the hip (r = 0.60, p < 0.001), lumbar spine (r = 0.48, p < 0.001), and radius (r = 0.40, p<0.001). In patients with AN, BUA and aBMD were mainly and positively correlated with weight, lean tissue mass, body mass index (BMI), and minimal BMI life and negatively with the duration of both disease and amenorrhea. Better concordance between the two techniques was obtained when absolute BUA and aBMD values were used according to the WHO T score classification.

Conclusion: BUA measurement at the heel by QUS appears to be a pertinent nonionizing technique to assess low bone mass in patients with AN.

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Source
http://dx.doi.org/10.1007/s11657-020-00870-wDOI Listing

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