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4500a discovery bone densitometer

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The Hologic 4500A Discovery bone densitometer is a laboratory equipment used to measure bone mineral density. It uses dual-energy X-ray absorptiometry (DXA) technology to assess bone health.

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Discovery densitometer (19 citations) Hologic densitometers (9 citations) Discovery bone densitometer (4 citations) Bone densitometers (3 citations)

2 protocols using 4500a discovery bone densitometer

1

Dual X-ray Absorptiometry for Osteoporosis Diagnosis

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Dual X-ray absorptiometry (DXA) measurements of bone mineral density (BMD) were performed at both hips and lumbar spine using a Hologic 4500A Discovery bone densitometer (HOLOGIC, Bedford, MA). Osteoporosis diagnosis was based on the lowest T-score of these locations, according to World Health Organization criteria30 (link).
Tsutsumi A., Chubachi S., Irie H., Sasaki M., Yamada Y., Sugiura H., Jinzaki M., Nakamura H., Asano K., Betsuyaku T, & Fukunaga K. (2021). Characteristics of chronic obstructive pulmonary disease patients with robust progression of emphysematous change. Scientific Reports, 11, 9548.
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2

Evaluating Bone Density in COPD

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DXA measurements of bone mineral density (BMD) were performed at the hip and lumbar spine using a Hologic 4500A Discovery bone densitometer (Hologic, Bedford, MA) for 248 of the 336 COPD patients. The T-score was used for the evaluation of osteoporosis, in which a T-score greater than −1 is considered normal, -1 to −2.5 osteopenia, and less than −2.5 is diagnostic of osteoporosis [22 (link),23 (link)].
Miyazaki M., Nakamura H., Chubachi S., Sasaki M., Haraguchi M., Yoshida S., Tsuduki K., Shirahata T., Takahashi S., Minematsu N., Koh H., Nakamura M., Sakamaki F., Terashima T., Sayama K., Jones P.W., Asano K, & Betsuyaku T. (2014). Analysis of comorbid factors that increase the COPD assessment test scores. Respiratory Research, 15(1), 13.
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