Bone Densitometry in Growing Patients: Guidelines for by Aenor J. Sawyer

By Aenor J. Sawyer

Bone Densitometry in turning out to be sufferers is the 1st source on hand for professional opinion at the use of twin power x-ray absorptiometry (DXA) for comparing bone density in little ones and young people. Written by means of the world over well-known pediatric bone researchers and clinicians, this quantity is exclusive in its particular realization to the myriad demanding situations of measuring and comparing bone density within the pediatric sufferer. there's adequate technical element provided during this quantity to permit the institution of a pediatric DXA heart or the right kind usage of DXA experiment details in present scientific perform. the quantity opens with a quick creation to basic options when it comes to bone overall healthiness in teenagers and an summary of all presently to be had densitometry innovations utilized in comparing little ones. next chapters specialize in symptoms for DXA stories in teenagers and the optimum equipment for buying, studying, examining, and reporting those scans. present and destiny learn purposes of DXA and different modalities for learning pediatric bone health and wellbeing also are mentioned. an intensive appendix presents valuable pediatric reference facts, pattern types to be used in buying and reporting DXA facts, listings of valuable and suitable pediatric bone web pages, and a accomplished bibliography. This quantity, that is the 1st pediatric DXA reference released, optimizes the exact and accountable use of DXA in young ones as a device within the scientific administration of bone fragility, and thereby paves the best way for the long run improvement of applicable intervention and therapy courses for this inhabitants.

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Any measurement that does not include the spine is less likely to be sensitive to the bone changes that occur. Diagnostic agreement between axial and peripheral skeletal sites may also differ depending on the child’s phase of skeletal development. A large change in DXA spinal BMD with no change in radius trabecular BMD may be caused by the increase in bone size due to the pubertal growth spurt rather than being due to the change in volumetric bone mineral density. The relationship between the peripheral and axial bone densitometry techniques and fractures has not been studied in children.

Chapuy MC, Arlot ME, Cuboeuf F, et al. Vitamin D3 and calcium to prevent hip fractures in the elderly women. N Engl J Med 1992;327:1637–1642. 61. Rizzoli R, Bonjour J-P. Dietary protein and bone health. J Bone Miner Res 2004;19:527–531. 62. Bonjour J-P, Rizzoli R. Bone Acquisition in adolescence. In: Marcus R, Feldman D, Kelsey J, eds. Osteoporosis. San Diego, CA: Academic Press, 1996,465–476. 63. Garn SM. The Earlier Gain and the Later Loss of Cortical Bone. C. Thomas, 1970. 64. Rubin CT, Lanyon LE.

Therefore, solid hydroxyapatite phantoms are now favored. , Austin, TX). For comparable results in longitudinal studies, the same phantom (and scanner) should be used. Similarly to DXA instrumentation (39,40), if scanners or phantoms must be changed during longitudinal studies, then cross-calibration with patients and a phantom, such as the European Spine Phantom (ESP) (41), must be performed to make results comparable. For 2D spine measurements, an initial lateral scan projection radiograph is obtained (Fig.

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