Open AccessProton magnetic resonance spectroscopy as an alternative method for quantitative assessment of mineral bone density
Author(s) -
A. S. Ivantsova,
Petr Menshchikov,
U. A. Polyakova,
А. В. Манжурцев,
M. V. Ublinskiy,
Т. А. Ахадов,
D. A. Kupriyanov,
Н. А. Семенова
Publication year - 2021
Publication title -
alʹmanah kliničeskoj mediciny
Language(s) - English
Resource type - Journals
eISSN - 2587-9294
pISSN - 2072-0505
DOI - 10.18786/2072-0505-2021-49-002
Subject(s) - densitometry , bone mineral , nuclear medicine , quantitative computed tomography , medicine , bone density , vertebral compression fracture , compression (physics) , osteoporosis , magnetic resonance imaging , voxel , radiology , materials science , composite material
Aims: 1) To evaluate an association between the fat fraction (FF) and bone mineral density (BMD) measured by localized proton magnetic resonance spectroscopy (1H-MRS) and quantitative computed tomography (QCT) densitometry, respectively, in healthy vertebrae of children after a compression fracture; 2) To compare the FF and BMD values with the severity of the compression vertebrae fractures.Materials and methods: Twenty (20) patients (aged 11.1±2.1 years) with a trauma-induced compression vertebral fractures participated in the study. The BMD of L3, L4 vertebrae (mg/cm3) was measured in by QCT (Philips Brilliance 16). FF in the same area was measured from 1H-MR-spectra (STEAM, echo time (TE)=12.8 ms, repetition time (TR)=3000 ms, voxel size=20×15×10 mm) using Philips Achieva TX 3.0T MRI scanner.Results: Correlation analysis revealed a significant inverse linear correlation (r=-0.55, p=0.0004) between FF and BMD of L3 и L4 vertebrae. In addition, in the patients with severe compression vertebral fracture (more than 2 fractured vertebrae) there was a significant increase in FF values and a BMD decrease, compared to the values in the patients with mild fractures (1–2 fractured vertebrae).Conclusion: The correlation suggests that the increase of FF in the bone marrow and the decrease of BMD in children go in parallel. Therefore, 1H-MRS could be an alternative to QCT and dual-energy X-ray absorptiometry. The absence of radiation load allows for recommendation to use 1Н-MRS for screening and follow-up, as well as for the control of BMD.