Discordance Between Hip and Spine Bone Mineral Density Measurement Using DXA: Prevalence and Risk Factors

Mounach, Aziza; Abayi, D.A. Mouinga; Ghazi, M.; Ghozlani, I.; Nouijai, A.; Achemlal, L.; Bezza, A.; Maghraoui, A. El

doi:10.1016/j.semarthrit.2008.04.001

Cited by 62 publications

(49 citation statements)

References 21 publications

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“…32 From among bone-related anthropometric and metabolic variables linked with T-score discordance in the present study, BMI was considered a protective factor and serum Ca level as a risk factor. Corresponding to our results, Mounach et al 24 and Moayyeri et al, 33 in two different studies on a healthy population aged over 50 years, reported BMI as the most important factor that correlated with the lower rate of T-score discordance. According to their result, age was another factor influencing the T-score discordance rate.…”

Section: Discussionsupporting

confidence: 91%

“…In line with previous studies, our research showed a higher rate of T-score discrepancy between the hip and lumbar spine in these patients. 24 This rate was reported to be higher than that reported in the healthy population. 33 Osteoporosis and osteopenia were reported in 104 (61.2%) and 46 (27.2%) patients in the studied population, which was lower than that reported in a previous study on spinal cord-disabled veterans by Shojaei et al 25 This could be attributed to the longer duration of SCI in the veterans studied in the latter research.…”

Section: Discussionmentioning

confidence: 67%

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Prevalence and associated factors of T-score discordance between different sites in Iranian patients with spinal cord injury

et al. 2013

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Objectives: The present study was conducted to determine the prevalence of T-score discordance and its risk factors in a group of patients with spinal cord injury in a university teaching hospital in the Iranian capital of Tehran. Methods: This cross-sectional study was conducted on paraplegic men undergoing bone density testing in an outpatient clinic at a hospital in the Iranian capital, Tehran, between March 2011 and 2012. A questionnaire on demographic and anthropometric characteristics, including age, height, weight, engagement in physical activity and personal smoking habits, was filled out for each subject. All the subjects underwent bone mineral density measurement and blood samples were sent for laboratory testing. Results: Major T-score discordance between two sites was noted in 54 (41.22%) patients. Multivariate logistic regression revealed that every unit increase in serum calcium levels, as the only factor influencing T-score discordance, was associated with a 2.49-fold increased risk in T-score discordance in the area. As for the spine and radius, BMI was the only influencing factor as every unit increase in BMI was associated with a 14% lower risk for T-score discordance in these regions. Body mass index was the only factor, based on the multivariate model, affecting the risk of developing T-score discordance between two sites. Conclusion: Our study revealed the high prevalence of T-score discordance in patients with spinal cord injury. Physicians should therefore be encouraged to perform BMD at three sites when visiting patients with such injuries.

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Section: Discussionsupporting

confidence: 91%

Section: Discussionmentioning

confidence: 67%

Prevalence and associated factors of T-score discordance between different sites in Iranian patients with spinal cord injury

et al. 2013

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“…It is reported that at least half of the patients who undergo DEXA exhibit T-score discordance between spine and total hip measurement sites. 33,34 This discordance was attributed to the effect of osteophytes that develop secondary to degenerative joint disease of vertebrae, resulting in higher spine BMD in vertebrae with osteophytes. 35 Other studies have also evaluated the relationship between osteophytes and BMD at other sites, including the hip, and obtained the same finding.…”

Section: Discussionmentioning

confidence: 99%

Comparison of Central and Peripheral Bone Mineral Density Measurements in Postmenopausal Women

Abdelmohsen

2017

Journal of Chiropractic Medicine

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Objectives: The purpose of the current study was to compare central and peripheral bone mineral density at different regions including spine, hip, and wrist in postmenopausal women. Methods: Forty postmenopausal women participated in this study. Their mean age, body mass, height, and body mass index were 53.5 ± 2.75 y, 68.6 ± 8.68 kg, 167.8 ± 6.46 cm, and 24.31 ± 1.69 kg/m 2 , respectively. Bone mineral density (BMD) T-scores of spine, hip, and wrist regions were measured for all participants with a dual-energy X-ray absorptiometry scan. Results: All measured regions (spine, hip, and wrist) had low BMD T-scores. Bone mineral density of the wrist was significantly lower (-2.58 ± 2.18) than that of both spine (-1.79 ± 0.98) and hip (-1.69 ± 1.37). In addition, there were no statistically significant differences in BMD between the spine and hip. Conclusions: In this group of postmenopausal women, wrist BMD decreased more than spine and hip BMD. Both spine and hip BMD decreased by nearly the same percentage in postmenopausal women. Peripheral sites may be more representative of osteoporosis than central sites.

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“…Discordance between lumbar spine and hip bone in DEXA scan is a common phenomenon and up to 45% of patient referred for DEXA scan may show diagnostic discordance (7). Depending upon the causes discordance has defined as physiologic discordance, patho-physiological discordance, anatomic discordance, artifactual discordance and technical discordance (6).…”

Section: Discussionmentioning

confidence: 99%

Discordance between Spinal and Hip Bone Mineral Density Values in Patients with Lumbar Scoliosis – Experience of a Single Institute

Begum

Sultana

Jabin

et al. 2018

Bangladesh J. Nuclear Med.

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Osteoporosis and scoliosis are encountered concurrently. Scoliosis predisposes to osteoporosis but degenerative scoliosis could falsely elevate lumbar bone mineral density measurement leading to discordance. This study was conducted to determine the prevalence of discordance between lumbar spines and hip bone mineral density in patients with lumbar scoliosis and to evaluate the risk factors of discordance. The prevalence of osteoporosis and discordance was determined as major and minor discordance. Old age, age at menopause, sex and BMI were considered as possible risk factors for discordance and were used in multivariate logistic regression analysis. Discordance between lumbar spines and hip was found in 55 (78.6 %) patients and among them major and minor discordance of T-scores were seen in 18 (25.7%) and 37 (52.9%) respectively. Concordance of T scores was seen in 15 (21.4%). In multivariate logistic regression analysis female sex, age older than 60 years and BMI less than 30 kg/m2 was identified as risk factors for T-score discordance. In lumbar scoliosis the overestimation of lumbar spine may lead to diagnostic dilemma, whereas hip DEXA appears to be more reliable in these cases. In such cases it is in the jurisdiction of the physician to look for possible underlying causes of discordance of T score.

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Discordance Between Hip and Spine Bone Mineral Density Measurement Using DXA: Prevalence and Risk Factors

Cited by 62 publications

References 21 publications

Prevalence and associated factors of T-score discordance between different sites in Iranian patients with spinal cord injury

Prevalence and associated factors of T-score discordance between different sites in Iranian patients with spinal cord injury

Comparison of Central and Peripheral Bone Mineral Density Measurements in Postmenopausal Women

Discordance between Spinal and Hip Bone Mineral Density Values in Patients with Lumbar Scoliosis – Experience of a Single Institute

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