Skip to main content
Top
Published in: Osteoporosis International 4/2023

17-02-2023 | Polytrauma | Original Article

Opportunistic measures of bone mineral density at multiple skeletal sites during whole-body CT in polytrauma patients

Authors: Zvonimir Kutleša, Ivan Ordulj, Iva Perić, Kristian Jerković, Dino Poljak, Vlado Gavrilović, Vesna Čapkun, Šime Devčić, Danijela Budimir Mršić

Published in: Osteoporosis International | Issue 4/2023

Login to get access

Abstract

Summary

Whole-body CT in polytrauma patients revealed bone mineral density variations throughout the skeleton. Bone density was the highest in cranial bones and the lowest in proximal extremities and pelvis. Skeletal age-related changes were generally more pronounced than sex-related changes. Cranial bones did not follow the same aging pattern compared to other bones.

Introduction

Whole-body CT (WBCT) in polytrauma patients enables the detection of numerous incidental findings, such as estimates of bone mineral density (BMD) at multiple skeletal sites. This could help in better understanding of age- and sex-related changes in BMD through skeleton.

Methods

Data were retrospectively retrieved from the WBCTs requested during a 2-year period. BMD, expressed in CT Hounsfield units (HU), was measured at frontal and occipital bone, four vertebrae (C4, Th7, L4, and S2), iliac bone, and proximal humerus and femur. Measurements were done on native and postcontrast scans. The population sample was age-, sex-, and visceral fat volume adjusted for analysis.

Results

A total of 296 patients were included, with a median age of 51 years. BMD varied from the highest HU in cranial bones (629 HU) to the lowest HU in the pelvic bones (114 HU), P < 0.001. Sex differences were independent predictors of BMD in cranial bones and proximal humerus. The age-related decline in BMD was significant in all other bones, but the association with age differed among the measurement’s sites. Visceral fat showed the strongest correlation with the lumbar spine and iliac wing, although multivariate analysis revealed it was not an independent predictor of bone density, such as age and sex.

Conclusions

BMD varies through skeleton, being the highest in the proximal axial skeleton. Age-related changes in BMD are significant and more pronounced than sex-related changes in almost all bones. Cranial bones do not follow the same pattern compared to other bones.
Literature
10.
27.
go back to reference Cohen A, Dempster DW, Recker RR, Lappe JM, Zhou H, Zwahlen A, Müller R, Zhao B, Guo X, Lang T, Saeed I, Liu XS, Guo XE, Cremers S, Rosen CJ, Stein EM, Nickolas TL, McMahon DJ, Young P, Shane E (2013) Abdominal fat is associated with lower bone formation and inferior bone quality in healthy premenopausal women: a transiliac bone biopsy study. J Clin Endocrinol Metab 98:2562–2572 CrossRefPubMedPubMedCentral Cohen A, Dempster DW, Recker RR, Lappe JM, Zhou H, Zwahlen A, Müller R, Zhao B, Guo X, Lang T, Saeed I, Liu XS, Guo XE, Cremers S, Rosen CJ, Stein EM, Nickolas TL, McMahon DJ, Young P, Shane E (2013) Abdominal fat is associated with lower bone formation and inferior bone quality in healthy premenopausal women: a transiliac bone biopsy study. J Clin Endocrinol Metab 98:2562–2572 CrossRefPubMedPubMedCentral
28.
go back to reference Katzmarzyk PT, Barreira TV, Harrington DM, Staiano AE, Heymsfield SB, Gimble JM (2012) Relationship between abdominal fat and bone mineral density in white and African American adults. Bone 50:576–579 CrossRefPubMed Katzmarzyk PT, Barreira TV, Harrington DM, Staiano AE, Heymsfield SB, Gimble JM (2012) Relationship between abdominal fat and bone mineral density in white and African American adults. Bone 50:576–579 CrossRefPubMed
Metadata
Title
Opportunistic measures of bone mineral density at multiple skeletal sites during whole-body CT in polytrauma patients
Authors
Zvonimir Kutleša
Ivan Ordulj
Iva Perić
Kristian Jerković
Dino Poljak
Vlado Gavrilović
Vesna Čapkun
Šime Devčić
Danijela Budimir Mršić
Publication date
17-02-2023
Publisher
Springer London
Published in
Osteoporosis International / Issue 4/2023
Print ISSN: 0937-941X
Electronic ISSN: 1433-2965
DOI
https://doi.org/10.1007/s00198-023-06699-6

Other articles of this Issue 4/2023

Osteoporosis International 4/2023 Go to the issue