Effect of Clothing on Measurement of Bone Mineral Density.

Autor: McNamara EA; Division of Endocrinology and Metabolism, Department of Medicine, Beth Israel Deaconess Medical Center, Boston, MA, USA., Feldman AZ; Division of Endocrinology and Metabolism, Department of Medicine, Beth Israel Deaconess Medical Center, Boston, MA, USA., Malabanan AO; Division of Endocrinology and Metabolism, Department of Medicine, Beth Israel Deaconess Medical Center, Boston, MA, USA., Abate EG; Division of Endocrinology and Metabolism, Department of Medicine, Beth Israel Deaconess Medical Center, Boston, MA, USA., Whittaker LG; Division of Endocrinology and Metabolism, Department of Medicine, Beth Israel Deaconess Medical Center, Boston, MA, USA., Yano-Litwin A; Division of Endocrinology and Metabolism, Department of Medicine, Beth Israel Deaconess Medical Center, Boston, MA, USA., Dorazio J; Division of Endocrinology and Metabolism, Department of Medicine, Beth Israel Deaconess Medical Center, Boston, MA, USA., Rosen HN; Division of Endocrinology and Metabolism, Department of Medicine, Beth Israel Deaconess Medical Center, Boston, MA, USA. Electronic address: hrosen@bidmc.harvard.edu.
Jazyk: angličtina
Zdroj: Journal of clinical densitometry : the official journal of the International Society for Clinical Densitometry [J Clin Densitom] 2016 Apr-Jun; Vol. 19 (2), pp. 216-9. Date of Electronic Publication: 2015 Jun 30.
DOI: 10.1016/j.jocd.2015.05.071
Abstrakt: It is unknown whether allowing patients to have BMD (bone mineral density) studies acquired while wearing radiolucent clothing adlib contributes appreciably to the measurement error seen. To examine this question, a spine phantom was scanned 30 times without any clothing, while draped with a gown, and while draped with heavy winter clothing. The effect on mean BMD and on SD (standard deviation) was assessed. The effect of clothing on mean or SD of the area was not significant. The effect of clothing on mean and SD for BMD was small but significant and was around 1.6% for the mean. However, the effect on BMD precision was much more clinically important. Without clothing the spine phantom had an least significant change of 0.0077 gm/cm(2), while when introducing variability of clothing the least significant change rose as high as 0.0305 gm/cm(2). We conclude that, adding clothing to the spine phantom had a small but statistically significant effect on the mean BMD and on variance of the measurement. It is unlikely that the effect on mean BMD has any clinical significance, but the effect on the reproducibility (precision) of the result is likely clinically significant.
(Copyright © 2016 The International Society for Clinical Densitometry. Published by Elsevier Inc. All rights reserved.)
Databáze: MEDLINE