The Symmetry of Hip Bone Mineral Density A Dual Photon Absorptiometry Approach

Lessig, Harry J.; Meltzer, Michele; Siegel, Jeffrey A.

doi:10.1097/00003072-198710000-00013

Cited by 20 publications

(8 citation statements)

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“…The left hip was scanned unless there was a history of previous fracture or surgery; only 1% (n = 145) had an acceptable scan of the right femur. Individuals with an acceptable scan of the right hip were included in the analyses, since their inclusion did not alter estimates and other studies have not found large differences in BMD levels between bilateral proximal femurs [7,8]. 1 The first step of the multistage design was to divide the nation into 'primary sampling units' (PSUs), which are counties or groups of contiguous small counties.…”

Section: Bone Mineral Measurementsmentioning

confidence: 99%

Updated Data on Proximal Femur Bone Mineral Levels of US Adults

Looker

Wahner

Dunn

et al. 1998

Osteoporosis International

982

581

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This paper describes data on bone mineral levels in the proximal femur of US adults based on the nationally representative sample examined during both phases of the third National Health and Nutrition Examination Survey (NHANES III, 1988-94), and updates data previously presented from phase 1 only. The data were collected from 14,646 men and women aged 20 years and older using dual-energy X-ray absorptiometry, and included bone mineral density (BMD), bone mineral content (BMC) and area of bone scanned in four selected regions of interest (ROI) in the proximal femur: femur neck, trochanter, intertrochanter and total. These variables are provided separately by age and sex for non-Hispanic whites (NHW), non-Hispanic blacks (NHB) and Mexican Americans (MA). NHW in the southern United States had slightly lower BMD levels than NHW in other US regions, but these differences were not sufficiently large to prevent pooling of the data. The updated data provide valuable reference data on femur bone mineral levels of noninstitutionalized adults. The updated data on BMD for the total femur ROI of NHW have been selected as the reference database for femur standardization efforts by the International Committee on Standards in Bone Measurements.

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Section: Bone Mineral Measurementsmentioning

confidence: 99%

Updated Data on Proximal Femur Bone Mineral Levels of US Adults

Looker

Wahner

Dunn

et al. 1998

Osteoporosis International

982

581

View full text Add to dashboard Cite

show abstract

“…Bone densities are usually measured at the lumbar spine (L1-4) and hip joints to grade the severity of osteoporosis by the lowest T-score. Unilateral measurements of proximal femoral BMD are typically performed to minimize time, medical costs and radiation exposure that is associated with radiography (2). Minimal differences of bilateral proximal femoral BMD are assumed (2-5).…”

Section: Introductionmentioning

confidence: 99%

Differences in Bone Mineral Density between the Right and Left Hips in Postmenopausal Women

et al. 2012

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Bone mineral density (BMD) using dual energy radiography absorptiometry are commonly used for the diagnosis of osteoporosis. It is usually measured at the spine and also at one hip joint. Controversy still exists regarding the use of bilateral hip scanning. We analyzed the difference of BMD at bilateral hips in 384 postmenopausal women, retrospectively. The concordance and discordance rates of the lowest T-score and BMD between both hips were evaluated. The BMDs of the femoral neck and trochanter were significantly different between both hips (P < 0.05). There were also discrepancies between the lowest T-scores of both hips (P < 0.05). The discordance rates were about 30%. Due to significant differences in BMD between both hips at the femoral neck and trochanter and high discordance rate, bilateral hip measurements using DEXA are recommended to avoid underestimating osteoporosis.

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“…20 The rationale for single hip assessment is based on data indicating a negligible difference in bone density between right and left or between dominant and nondominant hips. 9,10,21,22 However, in a sample of 3012 white women who were over the age of 50 years, left-right differences between hips including the femoral neck were observed that could have resulted in 2% of participants being at risk for osteopathic misclassification (based on T-score classification). 23 In the current study, nearly 13% of participants could have been misclassified or experienced undetected bone loss if the more paretic limb had not been scanned.…”

Section: Discussionmentioning

confidence: 99%

“…9 This practice is based on data revealing minimal variation between hips within an individual as well as the goals of minimizing cost and reducing exposure to radiation.…”

mentioning

confidence: 99%

Asymmetrical Hip Bone Density in Multiple Sclerosis

Larson¹,

White²

2011

International Journal of MS Care

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As multiple sclerosis (MS) may affect one leg more than the other, we predicted that bone mineral density (BMD) would be lower in the limb self-identified as more affected. Therefore, the purpose of this study was to determine whether ambulatory individuals with MS displaying moderate-to-severe lower-extremity paresis exhibit asymmetrical femoral neck BMD. Dual-energy x-ray absorptiometry was used to assess proximal femoral neck BMD. Lower BMD was observed in the proximal femoral neck of the more paretic limb (P = .001) in a group (N = 23) of ambulatory individuals with relapsing-remitting MS (RRMS). Our preliminary findings suggest that bilateral hip screening may be important in the early detection of compromised bone health in ambulatory individuals with RRMS. Further research is warranted to fully characterize the factors and mechanisms associated with bone loss and identify effective strategies for optimizing bone health in people with MS. Int J MS Care. 2011;13: 43-47.

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The Symmetry of Hip Bone Mineral Density A Dual Photon Absorptiometry Approach

Cited by 20 publications

References 0 publications

Updated Data on Proximal Femur Bone Mineral Levels of US Adults

Updated Data on Proximal Femur Bone Mineral Levels of US Adults

Differences in Bone Mineral Density between the Right and Left Hips in Postmenopausal Women

Asymmetrical Hip Bone Density in Multiple Sclerosis

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