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Kyphosis

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Increasing pelvic incidence is associated with more global sagittal imbalance in ankylosing spondylitis with thoracolumbar kyphosis: an observational retrospective study of 94 cases.

Diyu Song, Guoquan Zheng, Tianhao Wang, Dengbin Qi, Yan Wang,

BACKGROUND:Ankylosing spondylitis (AS) patients with kyphosis have an abnormal spinopelvic alignment and pelvic morphology. Most studies focus on the relationship of pelvic tilt (PT) or sacral slope (SS) and deformity, and relatively few studies have addressed the relationship between pelvic incidence (PI) and kyphosis in AS patients. The purpose of ... Read more >>

BMC Musculoskelet Disord (BMC musculoskeletal disorders)
[2020, 21(1):192]

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Satisfactory restoration of thoracic kyphosis in Lenke I AIS curves using bilateral vertebral coplanar alignment: an international multicenter experience.

Carlos Barrios, José M Lajara, Philippe Mazeau, Karen Weissmann, Guahua Lu, Bing Wang, Lei Kuang, Yong Hai, José I Maruenda,

STUDY DESIGN:Review of a prospective multicenter registry. OBJECTIVE:To report the correction of the thoracic sagittal profile in Lenke 1 curves using the bilateral vertebral coplanar alignment (BVCA) maneuver. All-pedicle-screw construtcs provide satisfactory coronal correction but fail to accurately restore the frequent thoracic hypokyphosis of Lenke 1 curves. BVCA is a ... Read more >>

Spine Deform (Spine deformity)
[2020, :]

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Surgical strategy for correction of severe, rigid, post-tubercular cervical kyphosis: an experience of two cases.

Bhavuk Garg, Nishank Mehta, Pulak Vatsya,

STUDY DESIGN:Case series. OBJECTIVES:To describe a novel surgical strategy for severe, rigid post-tubercular cervical kyphosis with treatment outcomes in two patients. BACKGROUND DATA:Spinal tuberculosis is a common cause of kyphotic deformity in the developing world with 3-5% of non-operatively managed patients ending up with kyphosis exceeding 60°. Ventral, dorsal and ... Read more >>

Spine Deform (Spine deformity)
[2020, :]

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Lumbopelvic parameters can be used to predict thoracic kyphosis in adolescents.

Jean-Luc Clément, Federico Solla, Veronica Amorese, Ioana Oborocianu, Olivier Rosello, Virginie Rampal,

PURPOSE:Distal thoracic kyphosis (DTK) equivalent to proximal lumbar lordosis (PLL) is the sum of pelvic tilt (PT) and the difference (Δ) between lumbar lordosis (LL) and pelvic incidence (PI): PLL = DTK = PT + Δ. With the assumption that proximal thoracic kyphosis (PTK) is similar to DTK, we propose the equation TK = 2(PT + LL - PI) to express the ... Read more >>

Eur Spine J (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)
[2020, :]

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Lumbar spinal stenosis and disc alterations affect the upper lumbar spine in adults with achondroplasia.

Thomas Huet, Martine Cohen-Solal, Jean-Denis Laredo, Corinne Collet, Geneviève Baujat, Valérie Cormier-Daire, Alain Yelnik, Philippe Orcel, Johann Beaudreuil,

In achondroplasia, lumbar spinal stenosis arises from congenital dysplasia and acquired degenerative changes. We here aimed to describe the changes of the lumbar spinal canal and intervertebral disc in adults. We included 18 adults (age ≥ 18 years) with achondroplasia and lumbar spinal stenosis. Radiographs were used to analyze spinal-pelvic ... Read more >>

Sci Rep (Scientific reports)
[2020, 10(1):4699]

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Relationship between pre-existing kyphosis and new vertebral compression fractures following percutaneous vertebroplasty in patients with osteoporotic thoracolumbar fracture.

Youjia Xu, Chao Chen, Ronghua Yu, Liwei Chen, Silian Wang, Zhikun Li,

<title>Abstract</title> <p> Background: Thoracolumbar kyphosis disrupts the overall balance of the spine, thus the stress on each segment of the spine is different from that of the normal sequence. This may affect the outcome after Percutaneous vertebroplasty (PVP). But few studies have examined the relationship between thoracolumbar kyphosis ... Read more >>

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Comparison of the clinical outcomes and cement distribution patterns after percutaneous vertebroplasty in the treatment of thoracolumbar Kümmell’s disease and OVCFs

Ji-Bin Chen, Cheng-Liang Wang, Te Li,

<title>Abstract</title> <p> Background The purpose of this study is to investigate and compare the therapeutic effect and distribution characteristics of bone cement in the PVP treatment for thoracolumbar Kümmell's diseases and OVCFs. Methods A prospective analysis of 35 patients with Kümmell ’s disease (K group) and 35 patients ... Read more >>

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Intraoperative alignment goals for distinctive sagittal morphotypes of severe cervical deformity to achieve optimal improvements in health-related quality of life measures.

Sohrab Virk, Peter Passias, Renaud Lafage, Eric Klineberg, Gregory Mundis, Themistocles Protopsaltis, Christopher Shaffrey, Shay Bess, Doug Burton, Robert Hart, Han Jo Kim, Christopher Ames, Frank Schwab, Justin Smith, Virginie Lafage, ,

BACKGROUND CONTEXT:Patients with severe cervical deformity (CD) often have profound deficits in numerous activities of daily living. The association between health status and post-operative radiographic goals is difficult to quantify. PURPOSE:We aimed to investigate the radiographic characteristics of patients who achieved optimal health related quality of life scores following surgery ... Read more >>

Spine J (The spine journal : official journal of the North American Spine Society)
[2020, :]

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Proximal junctional kyphosis following T10-pelvis fusion presenting with neurologic compromise: case presentations and review of the literature.

Matthew Piazza, Patricia Zadnik Sullivan, Peter Madsen, Marc Branche, Brendan McShane, Anissa Saylany, Nikhil Sharma, Vincent Arlet, Ali Ozturk,

Purpose: Proximal Junctional Kyphosis (PJK) is a well-documented phenomenon following spinal instrumented fusion. Myelopathy associated with proximal junctional failure (PJF) is poorly described in the literature. Adjacent segment disease, fracture above the upper instrumented vertebrae and subluxation may all cause cord compression, ambulatory dysfunction, and/or lower extremity weakness in the ... Read more >>

Br J Neurosurg (British journal of neurosurgery)
[2020, :1-6]

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Essential lordosis revisited.

Oded Hershkovich, Areena D'Souza, Paul R P Rushton, Ifesemen S Onosi, Wai Weng Yoon, Michael P Grevitt,

AIMS:Significant correction of an adolescent idiopathic scoliosis in the coronal plane through a posterior approach is associated with hypokyphosis. Factors such as the magnitude of the preoperative coronal curve, the use of hooks, number of levels fused, preoperative kyphosis, screw density, and rod type have all been implicated. Maintaining the ... Read more >>

Bone Joint J (The bone & joint journal)
[2020, 102-B(4):513-518]

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The position of the aorta relative to the spine in patients with adult degenerative scoliosis.

Yan Liang, Shuai Xu, Yongfei Zhao, Zhenqi Zhu, Keya Mao, Zheng Wang, Haiying Liu,

STUDY DESIGN:A retrospective analysis was conducted to analyze the position of the aorta by MRI in patients with adult degenerative scoliosis. OBJECTIVE:This study aimed to investigate the relative anatomic positions of the aorta and spine in patients with adult degenerative scoliosis (ADS). Aorta injury is a rare complication of spinal ... Read more >>

J Orthop Surg Res (Journal of orthopaedic surgery and research)
[2020, 15(1):73]

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The impact of cervical sagittal parameters on axial neck pain in patients with cervical kyphosis

Yong Shen, Jia Li, Di Zhang,

<title>Abstract</title> <p> Background:Cervical sagittal alignment is closely related with cervical disc degeneration and impacts the spinal function and quality of life, especially for cervical kyphosis (CK). The purpose of this study was to evaluate the influence of cervical sagittal parameters on the axial neck pain (ANP) in patients ... Read more >>

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Increasing pelvic incidence is associated with more global sagittal imbalance in ankylosing spondylitis with thoracolumbar kyphosis: an observational retrospective study of 94 cases

Yan Wang, Diyu Song, Guoquan Zheng, Tianhao Wang, Dengbin Qi,

<title>Abstract</title> <p> <bold>Background: </bold>Ankylosing spondylitis (AS) patients with kyphosis have an abnormal spinopelvic alignment and pelvic morphology. Most studies focus on the relationship of pelvic tilt (PT) or sacral slope (SS) and deformity, and relatively few studies have addressed the relationship between pelvic incidence (PI) and kyphosis in ... Read more >>

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Relationship between iliac screw loosening and proximal junctional kyphosis after long thoracolumbar instrumented fusion for adult spinal deformity.

Young-Hoon Kim, Kee-Yong Ha, Dong-Gune Chang, Hyung-Youl Park, Woong-Ki Jeon, Hyung-Chul Park, Sang-Il Kim,

PURPOSE:Authors assumed that the stability of iliac screw (IS) fixation could affect the development of proximal junctional kyphosis (PJK). The purpose of this study was to analyze the relationship between IS loosening and PJK after long fusion surgery for adult spinal deformity (ASD). METHODS:Sixty-eight ASD patients (6 males, 62 females; ... Read more >>

Eur Spine J (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)
[2020, :]

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Is correction of kyphosis necessary by posterior approach for the treatment of multilevel cervical degenerative myelopathy? An observational study

Yong Shen, Wei Du, Shuai Wang, Haixu Wang, Jingtao Zhang, Feng Wang, Xu Zhang,

<title>Abstract</title> <p> Background: The purpose of this study was to determine whether sagittal lordotic alignment, clinical outcomes and axial symptoms (AS) could be improved by kyphotic correction after posterior approach for multilevel cervical degenerative myelopathy (CDM).Methods: We retrospectively reviewed 109 patients with multilevel CDM with kyphosis who had ... Read more >>

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Transverse process strut and titanium mesh cages in the stability reconstruction of thoracic single segment tuberculosis: a retrospective single-center cohort study.

Weiyang Zhong, Xinjie Liang, Ke Tang, Xiaoji Luo, Zhengxue Quan,

BACKGROUND:A retrospective and comparative study of transverse process strut (TPS, Group A) compared with titanium mesh cages (TMCs, Group B) in the reconstruction of thoracic stability through the one-stage posterior approach to treat single-segment tuberculosis. METHODS:Sixty patients from January 2013 to December 2016 were analyzed and divided into two groups. ... Read more >>

BMC Musculoskelet Disord (BMC musculoskeletal disorders)
[2020, 21(1):172]

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Five or more proximal anchors and including upper end vertebra protects against reoperation in distraction-based growing rods.

Liam Harris, Lindsay M Andras, Gregory M Mundis, Paul D Sponseller, John B Emans, , David L Skaggs,

STUDY DESIGN:Retrospective multi-center enrollment. OBJECTIVE:To examine the impact of patient and surgical factors on proximal complication and revision rates of early onset scoliosis patients using a multicenter database. Proximal anchor pullout and junctional kyphosis are common causes necessitating revision surgery during growth friendly treatment of early onset scoliosis (EOS). Many ... Read more >>

Spine Deform (Spine deformity)
[2020, :]

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Deformity correction in thoracic adolescent idiopathic scoliosis.

Sébastien Pesenti, Renaud Lafage, Brice Henry, Han J Kim, Manon Bolzinger, Jonathan Elysée, Mathew Cunningham, Elie Choufani, Virginie Lafage, John Blanco, Jean-Luc Jouve, Roger Widmann,

AIMS:To compare the rates of sagittal and coronal correction for all-pedicle screw instrumentation and hybrid instrumentation using sublaminar bands in the treatment of thoracic adolescent idiopathic scoliosis (AIS). METHODS:We retrospectively reviewed the medical records of 124 patients who had undergone surgery in two centres for the correction of Lenke 1 ... Read more >>

Bone Joint J (The bone & joint journal)
[2020, 102-B(3):376-382]

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Assessment of Clinical and Radiological Parameters in Spinal Tuberculosis: Comparison between Human Immunodeficiency Virus-Positive and Human Immunodeficiency Virus-Negative Patients.

Shrikant Shrikrishnarao Sagane, Vishal Supda Patil, Girish Dnyaneshwar Bartakke, Kaustubh Yeshwant Kale,

Study Design:Prospective comparative study. Purpose:A prospective comparative analysis of 30 patients with spinal tuberculosis (15 human immunodeficiency viruses [HIV] positive and 15 HIV negative). We compared the clinical and radiological parameters of the two groups. Overview of Literature:With the increasing incidence of HIV and tuberculosis co-infection, spinal tuberculosis is increasing ... Read more >>

Asian Spine J (Asian spine journal)
[2020, :]

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High thoracic kyphosis: impact on total thoracic kyphosis and cervical alignment in patients with adolescent idiopathic scoliosis.

Eduardo Moreira Pinto, Jorge Alves, Alfredo Mendes de Castro, Marcos Silva, José Miradouro, Artur Teixeira, António Miranda,

PURPOSE:To evaluate the impact of proximal thoracic segment (T1-T5) on global thoracic kyphosis, as well as its influence on cervical alignment (lordotic, kyphotic or straight) in patients with adolescent idiopathic scoliosis (AIS). METHODS:We conducted a retrospective study of 80 patients with AIS. The inclusion criteria were patients between 10 and ... Read more >>

Spine Deform (Spine deformity)
[2020, :]

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Exercise interventions to improve postural malalignments in head, neck, and trunk among adolescents, adults, and older people: systematic review of randomized controlled trials.

Mohammad Bayattork, Margrethe Bordado Sköld, Emil Sundstrup, Lars Louis Andersen,

Despite the widespread use of postural correction in exercise interventions, limited experimental evidence exists for its effectiveness. The present study aimed to systematically review the literature on the efficacy of exercise interventions in improving postural malalignment in head, neck, and trunk. A systematic review was performed by screening four scientific ... Read more >>

J Exerc Rehabil (Journal of exercise rehabilitation)
[2020, 16(1):36-48]

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Identification of Predictive Factors for Mechanical Complications After Adult Spinal Deformity Surgery: A Multi-Institutional Retrospective Study.

Atsuyuki Kawabata, Toshitaka Yoshii, Kenichiro Sakai, Takashi Hirai, Masato Yuasa, Hiroyuki Inose, Kurando Utagawa, Jun Hashimoto, Yu Matsukura, Masaki Tomori, Ichiro Torigoe, Kazuo Kusano, Kazuyuki Otani, Koichi Mizuno, Sumiya Satoshi, Fukushima Kazuyuki, Shoji Tomizawa, Yoshiyasu Arai, Shigeo Shindo, Atsushi Okawa,

STUDY DESIGN:A retrospective multicenter observational study. OBJECTIVE:To investigate correction surgeries that were performed in relatively aged patients in terms of mechanical complications (MCs) and their predictive factors. SUMMARY OF BACKGROUND DATA:The risk factors associated with MCs have not yet been well examined, especially in aged populations. METHODS:We retrospectively reviewed 230 ... Read more >>

Spine (Spine)
[2020, :]

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Impact of metal density on deformity correction in posterior fusions for adolescent idiopathic scoliosis: A retrospective cohort study.

Irfan Qadir, Abdullah Shah, Syed Roman Alam, Haseeb Hussain, Rizwan Akram, Amer Aziz,

Introduction:Optimal implant density for posterior spinal fusion in adolescent idiopathic scoliosis (AIS) remains controversial. We aimed to examine radiographic outcomes of AIS cases treated with limited density pedicle screw constructs. Methods:This is a retrospective analysis of 96 patients (89 females and 7 males with mean age of 13.8 ± 4.4 years) with ... Read more >>

Ann Med Surg (Lond) (Annals of medicine and surgery (2012))
[2020, 52:44-47]

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An analysis of clinical risk factors for adolescent scoliosis caused by spinal cord abnormalities in China: proposal for a selective whole-spine MRI examination scheme.

Wei Xu, Xiangyang Zhang, Ying Zhu, Xiaodong Zhu, Zhikun Li, Dachuan Li, Jianjun Jia, Liwei Chen, Silian Wang, Yushu Bai, Ming Li,

BACKGROUND:Approximately 80% of adolescent scoliosis cases are idiopathic, and some non-idiopathic scoliosis cases caused by spinal cord abnormalities are misdiagnosed as idiopathic scoliosis. This study examined the risk factors for non-idiopathic scoliosis with intramedullary abnormalities, explored the feasibility of whole-spine MRI, and provided a theoretical basis for the routine diagnosis ... Read more >>

BMC Musculoskelet Disord (BMC musculoskeletal disorders)
[2020, 21(1):187]

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Proximal junction kyphosis in adult scoliosis. best post-operative radiological predictors. Retrospective cohort study.

Daudi Manini, Hong-qi Zhang, Yu-Xiang Wang, Frank Shega, Yuxuan Du,

<title>Abstract</title> <p> Background: Proximal junction kyphosis is the post-surgical radiographic event seen in the surgical plane after the fusion of spinal deformity. No common agreement on direct postoperative radiographic prognostic criteria for occurrences of proximal junctional kyphosis that justify close monitoring for the patients. The purpose of this ... Read more >>

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