Abstract
Methods A cohort of 60 patients with a mean age of 12.6 years old (SD=0.8) and an average Cobb angle of 21.4 (SD=6.3) degrees were followed from their first visit till skeletal maturity defined as Risser 4 or above and greater than 1.5 years postmenarchal. Progressive curves were defined as a cumulative increase of 6 degrees or more in the Cobb angle, or the magnitude of any curve exceeding 45 degrees or the patients receiving surgery recommendation before or at skeletal maturity. BMD was measured with Dual Energy X-ray Absorptiometry of bilateral femoral necks at the first visit. Other anthropometric measurements such as body weight, body height and Tanner staging were also recorded at baseline.
Highlights
The objective of this replicate study is to evaluate the predictive ability of bone mineral density on curve progression
degrees were followed from their first visit till skeletal maturity defined as
Progressive curves were defined as a cumulative increase of 6 degrees
Summary
Bone mineral density as a prognostic factor for curve progression in adolescent idiopathic scoliosis: a longitudinal validation study. Zhi Wei Wang[1,3], Vivian Wing Yin Hung[1], Huan Xiong Chen[1], Kwong Man Lee[2], Yuk Wai Lee[1], Bobby Kin Wah Ng1,3, Jack Chun Yiu Cheng1,3*, Tsz Ping Lam[1,3]. From The 10th Meeting of the International Research Society of Spinal Deformities (IRSSD 2014 Sapporo) Sapporo, Japan. From The 10th Meeting of the International Research Society of Spinal Deformities (IRSSD 2014 Sapporo) Sapporo, Japan. 29 June - 2 July 2014
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