PMID: 11605739Oct 19, 2001Paper

Correlation between vertebral body rotation and two-dimensional vertebral bone density measurement

Osteoporosis International : a Journal Established As Result of Cooperation Between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA
Federico P GirardiJoseph M Lane

Abstract

The aim of this study was to determine the effect of vertebral rotation, as seen in idiopathic scoliosis, on bone mineral density determination for the lumbar spine. Bone mineral content, biplanar vertebral segment area and calculated bone mineral density of each vertebra from L1 to L4 were obtained for a human cadaveric specimen. The average density for the entire L1-L4 segment was also recorded. This was done with the spine in the midline position as well as in rotation up to a maximum of 60 degrees either side of the midline. The spine was rotated in each direction using 10 degrees increments and two bone density readings were done at each rotation interval. The measured biplanar vertebral segment area increased with increasing rotation from 0 degrees to 50 degrees but decreased after 50 degrees of rotation (r = 0.73, p<0.001). The bone mineral density was significantly negatively correlated with the degree of rotation (r = -0.92, p<0.001). The decrease in measured bone mineral density was nearly 20% when the lumbar spine was rotated from neutral to 60 . This study demonstrates that degree of spinal rotation influences apparent bone mineral density by increasing the apparent vertebral segment area. The measurement change may...Continue Reading

Citations

Aug 30, 2008·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Xin-Feng LiLi-Yang Dai
Apr 2, 2008·Spine·Elizabeth A SzalayFrederick Sherman
Feb 5, 2014·The Spine Journal : Official Journal of the North American Spine Society·Yun Kyung JeonIn Joo Kim
Jan 19, 2016·Journal of Clinical Densitometry : the Official Journal of the International Society for Clinical Densitometry·Sina IzadyarSeyed Salman Zakariaee
Nov 14, 2006·Journal of Clinical Densitometry : the Official Journal of the International Society for Clinical Densitometry·Gregory Alan Kline, David Arthur Hanley
Jan 4, 2020·Archives of Osteoporosis·Genessis MaldonadoCarlos Rios
Feb 6, 2020·The Bone & Joint Journal·Elias DiarbakerliPaul Gerdhem
Feb 25, 2021·Archives of Osteoporosis·Trevor L SchellPaul A Anderson
Oct 17, 2021·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Kunal VarshneyaAnand Veeravagu

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