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The reliability of measuring the density of the L1 vertebral body on CT imaging as a predictor of bone mineral density.

Abstract To determine whether the density of the L1 vertebra measured on computed tomography (CT) images correlates with the bone mineral density (BMD) as measured by quantitative computed tomography (QCT), and to determine the reliability of L1 density measurements by different observers to see if this measure could help identify patients who would benefit from formal BMD assessment.
PMID
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Authors

Mayor MeshTerms

Bone Density

Keywords
Journal Title clinical radiology
Publication Year Start




PMID- 28340962
OWN - NLM
STAT- MEDLINE
DA  - 20170325
DCOM- 20170414
LR  - 20170414
IS  - 1365-229X (Electronic)
IS  - 0009-9260 (Linking)
VI  - 72
IP  - 2
DP  - 2017 Feb
TI  - The reliability of measuring the density of the L1 vertebral body on CT imaging
      as a predictor of bone mineral density.
PG  - 177.e9-177.e15
LID - S0009-9260(16)30405-6 [pii]
LID - 10.1016/j.crad.2016.09.022 [doi]
AB  - AIM: To determine whether the density of the L1 vertebra measured on computed
      tomography (CT) images correlates with the bone mineral density (BMD) as measured
      by quantitative computed tomography (QCT), and to determine the reliability of L1
      density measurements by different observers to see if this measure could help
      identify patients who would benefit from formal BMD assessment. MATERIALS AND
      METHODS: Non-contrast CT along with a phantom for determination of BMD was
      performed on 30 healthy patients. The L1 density was measured by 3 observers at
      two time-points separated by at least 2 weeks. RESULTS: L1 density was well
      correlated to the QCT BMD (correlation coefficient 0.83; 95% confidence interval 
      [CI]: 0.67-0.92). There was excellent intra- and interobserver agreement in L1
      density measurements. There were excellent intra-class correlation coefficients
      for each observer's measurements at two separate time points with a coefficient
      for observer 1 of 0.94 (95% CI: 0.88-0.97) and for observer 2 and 3 of 0.99 (95% 
      CI: 0.98-1). The interobserver measurements had an intra-class correlation
      coefficient of 0.98 (95% CI: 0.96-0.99). CONCLUSION: L1 vertebral density can be 
      reliably measured on CT images and might be used as an indicator of BMD for
      opportunistic screening of patients with osteoporosis. Low bone density detected 
      incidentally on CT imaging could be used to identify patients who should be
      further investigated and treated for osteoporosis.
CI  - Crown Copyright (c) 2016. Published by Elsevier Ltd. All rights reserved.
FAU - Gerety, E-L
AU  - Gerety EL
AD  - Department of Radiology, Box 219, Cambridge University Hospitals NHS Foundation
      Trust, Hills Road, Cambridge CB2 0QQ, UK. Electronic address:
      [email protected]
FAU - Hopper, M A
AU  - Hopper MA
AD  - Department of Radiology, Box 219, Cambridge University Hospitals NHS Foundation
      Trust, Hills Road, Cambridge CB2 0QQ, UK.
FAU - Bearcroft, P W P
AU  - Bearcroft PW
AD  - Department of Radiology, Box 219, Cambridge University Hospitals NHS Foundation
      Trust, Hills Road, Cambridge CB2 0QQ, UK.
LA  - eng
PT  - Journal Article
DEP - 20161026
PL  - England
TA  - Clin Radiol
JT  - Clinical radiology
JID - 1306016
SB  - IM
MH  - Aged
MH  - *Bone Density
MH  - Female
MH  - Humans
MH  - Lumbar Vertebrae/*diagnostic imaging
MH  - Male
MH  - Middle Aged
MH  - Observer Variation
MH  - Osteoporosis/*diagnostic imaging
MH  - Phantoms, Imaging
MH  - Reproducibility of Results
MH  - Tomography, X-Ray Computed/*methods
EDAT- 2017/03/28 06:00
MHDA- 2017/04/15 06:00
CRDT- 2017/03/26 06:00
PHST- 2016/03/08 [received]
PHST- 2016/08/16 [revised]
PHST- 2016/09/26 [accepted]
AID - S0009-9260(16)30405-6 [pii]
AID - 10.1016/j.crad.2016.09.022 [doi]
PST - ppublish
SO  - Clin Radiol. 2017 Feb;72(2):177.e9-177.e15. doi: 10.1016/j.crad.2016.09.022. Epub
      2016 Oct 26.

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