Abstract
To identify factors that influence shoulder balance and to determine whether a model can be made to predict shoulder balance after corrective surgery. This is a retrospective study in which we examined the records of with adolescent idiopathic scoliosis (AIS) patients who underwent single posterior spinal correction and fusion using all pedicle screws with derotation in our institution between January 2008 and June 2010. For the radiographic outcome measurement, we measured the preoperative lumbar curve, the main thoracic curve, and their difference (L_TH_D), and the degree of correction of the lumbar curve, the main thoracic curve, and their difference (c_L_TH_D) to evaluate their influence on postoperative shoulder balance. The preoperative flexibility of the proximal non-fusion curve on the immediate postoperative tilt of the upper endplate of the uppermost vertebra of fusion segments (Up_FuS) was used to evaluate and predict the shoulder balance at follow-up. For patients who had shoulder balance at follow-up, the average balance time was 7.1 months, and in most of them, balance was detected within 12 months. The main thoracic curve has the greatest influence on preoperative shoulder tilt and correction of the main thoracic...Continue Reading
References
Jul 15, 1994·Spine·L G LenkeK Blanke
Jan 1, 1996·Journal of Pediatric Orthopedics. Part B·J BagóC Villanueva
Jun 15, 1997·Spine·S J BarrJ B Emans
Sep 14, 2000·Spine·S I SukJ H Lee
Sep 8, 2001·Spine·T R KukloK M Blanke
Mar 14, 2003·Spine·Timothy R KukloKeith H Bridwell
Nov 21, 2007·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·Ibrahim AkelMuharrem Yazici
Sep 25, 2008·Journal of Pediatric Orthopedics·Brice IlharrebordeKeyvan Mazda
Mar 27, 2009·Journal of Neurosurgery. Spine·Ming LiZhiyu Zhang
Mar 6, 2013·Spine·Mitsuru YagiMasafumi Machida
Jun 14, 2013·Spine·Mitsuru YagiMasafumi Machida
May 9, 2015·Journal of Pediatric Orthopedics·Scott J LuhmannLori A Karol
Feb 26, 2016·Spine·Xiao HanZezhang Zhu
Mar 17, 2016·HSS Journal : the Musculoskeletal Journal of Hospital for Special Surgery·Benjamin T BjerkeMatthew E Cunningham
Nov 1, 2013·Spine Deformity·Burt YaszayUNKNOWN Harms Study Group
Mar 10, 2017·Orthopaedic Surgery·Zhen LiuZe-Zhang Zhu