Dual-energy X-ray absorptiometry measurement of bone-mineral density in the distal aspect of the limbs in racing Greyhounds

Emmerson, T.; Lawes, Timothy J.; Goodship, Allen E.; Rueux-Mason, Caroline; Muir, Peter

doi:10.2460/ajvr.2000.61.1214

Cited by 11 publications

(18 citation statements)

References 22 publications

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“…DXA technology is a combination of a pencil-beam X-ray absorptiometry and a sophisticated analytic computer software. Many studies (Markel et al, 1994;Emmerson et al, 2000;Lauten et al, 2001) proved that software designed for humans could be used successfully in larger-sized animals like dogs, sheep and pigs. However, since our animals were puppies weighing less than 10 kg, we applied the Low Density Programme that is used in children.…”

Section: Discussionmentioning

confidence: 99%

“…One of these techniques is dual energy X-ray absorptiometry (DXA), which has become a standard procedure for noninvasive evaluation of body composition in research and clinical medicine in humans. Few publications (Emmerson et al, 2000;Lauten et al, 2001) have directly addressed its use for clinical research in dogs and other companion or farm animals. In dogs, DXA has been used for research into fracture healing, bone strength, and other physical properties of bone (Lauten et al, 2001).…”

Section: Discussionmentioning

confidence: 99%

“…Furthermore, in studies applying the DXA technology, sheep or rats were used instead of dogs (Omi and Ezawa, 1995;Turner et al, 1995a;Turner et al, 1995b). In addition, the dogs used in previous DXA studies were not puppies but adults (Markel et al, 1994;Emmerson et al, 2000;Lauten et al, 2001).…”

Section: Discussionmentioning

confidence: 99%

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Effect of prepubertal ovariohysterectomy on bone mineral density and bone mineral content in puppies

Ekici¹,

Sontas²,

Toydemir³

et al. 2005

Acta Veterinaria Hungarica

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In this study, dual energy X-ray absorptiometry (DXA) was performed on the calcaneus (CAL) and accessory carpal bone (ACB) of early-age neutered (n = 11) and sham-operated puppies (n = 10) to investigate changes in bone mineral density (BMD) and bone mineral content (BMC) over time. Prepubertal ovariohysterectomy and sham surgery were performed at 10 weeks, while BMD and BMC were measured at 12, 16, 20 and 24 weeks of age. BMD and BMC of CAL and ACB of ovariohysterectomised puppies were found to be higher. The differences between the groups were statistically unimportant; however, the fourth measurement of the ACB showed a significant (P < 0.05) difference. Sexually intact puppies weighed less than gonadectomised puppies in all measurements. Because of the positive correlations between body weight and bone mineral density, BMD and BMC of early-age neutered puppies were found to be higher. These results suggest that BMD and BMC are not affected by prepubertal ovariohysterectomy until six months of age in mixed-breed puppies.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Effect of prepubertal ovariohysterectomy on bone mineral density and bone mineral content in puppies

Ekici¹,

Sontas²,

Toydemir³

et al. 2005

Acta Veterinaria Hungarica

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“…Earlier observations (Emmerson andothers 2000, Johnson andothers 2001) suggested that the fifth metacarpal bone undergoes microstructural and densitometric adaptation. In this study, the mechanical and densitometric responses of the fifth metacarpal bone to asym-metric cyclic loading have been investigated in greyhounds with and without a fracture of the right central tarsal bone.…”

mentioning

confidence: 91%

Asymmetric densitometric and mechanical adaptation of the left fifth metacarpal bone in racing greyhounds

et al. 2001

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The densitometric and mechanical structural properties of the left and right fifth metacarpal bones of 10 racing greyhounds with a fracture of the central tarsal bone and 10 without a fracture were investigated by dual energy x-ray absorptiometry and a servo-hydraulic materials testing machine. In all the greyhounds the bone mineral density of the left fifth metacarpal bone was significantly greater than that of the right (P<0.001), but there was no significant difference between the degree of asymmetry in bone mineral density in the two groups. The ultimate torque and energy-to-failure of the left fifth metacarpal bone of the greyhounds with a fracture of the right central tarsal bone were significantly higher than in the right fifth metacarpal bone and higher than in both the left and right fifth metacarpal bones of the greyhounds with no fracture (P<0.05). The ultimate torque and energy-to-failure were significantly related to bone mineral density (P<0.005), and 22 per cent of the variation in these structural properties could be explained by variations in bone mineral density. Fifth metacarpal remodelling in response to asymmetric cyclic loading is bone-specific, and structural properties are enhanced in the left fifth metacarpal of greyhounds with a fracture of the right central tarsal bone.

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“…This leads to site‐specific soft tissue and bone remodelling (Emmerson et al . , Johnson et al . , Lipscombe et al .…”

Section: Introductionmentioning

confidence: 99%

Conservative management of fractures of the third metatarsal bone in the racing greyhound

Guilliard¹

2013

J of Small Animal Practice

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Dual-energy X-ray absorptiometry measurement of bone-mineral density in the distal aspect of the limbs in racing Greyhounds

Cited by 11 publications

References 22 publications

Effect of prepubertal ovariohysterectomy on bone mineral density and bone mineral content in puppies

Effect of prepubertal ovariohysterectomy on bone mineral density and bone mineral content in puppies

Asymmetric densitometric and mechanical adaptation of the left fifth metacarpal bone in racing greyhounds

Conservative management of fractures of the third metatarsal bone in the racing greyhound

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