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Sagittal imbalance

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https://www.readbyqxmd.com/read/28731559/association-between-anthropometric-measures-of-regional-fat-mass-and-heart-rate-variability-in-obese-women
#1
Marina Rastović, Biljana Srdić-Galić, Oto Barak, Edita Stokić
AIM: Impaired autonomic function could be the mechanism for the development of cardiometabolic diseases in obesity. Hence, simple anthropometric measures of overall and central obesity could be screening markers for autonomic imbalance. We analysed the relationship between heart rate variability (HRV) parameters and obesity indicators. METHODS: Sixty-three obese women underwent blood pressure, lipids and anthropometric measurements, body composition assessment, HOMA (homeostasis model assessment) index calculation and short-term HRV analysis...
February 2017: Nutrition & Dietetics: the Journal of the Dietitians Association of Australia
https://www.readbyqxmd.com/read/28713528/the-double-transforaminal-lumbar-interbody-fusion-an-innovative-one-stage-surgical-technique-for-posterior-kyphosis-correction
#2
Marcus Jäger, Tjark Tassemeier
Posttraumatic deformities after vertebral fractures are challenging for orthopedic surgeons in the non-operative and operative field. Especially osteoporotic fractures may cause a hyperkyphosis resulting in segmental or global sagittal imbalance and chronic back pain. Different vertebral osteotomies are potent to restore sagittal profile but show a very high perioperative risk including neurological and soft tissue complications. In addition, some of these extensive operations require a two-step procedure including posterior and anterior approaches...
June 23, 2017: Orthopedic Reviews
https://www.readbyqxmd.com/read/28700454/posterior-only-hemivertebra-resection-for-congenital-cervicothoracic-scoliosis-correcting-neck-tilt-and-balancing-the-shoulders
#3
Zhonghui Chen, Yong Qiu, Zezhang Zhu, Song Li, Xi Chen, Liang Xu, Xu Sun
STUDY DESIGN: A retrospective study. OBJECTIVE: To evaluate radiographic and cosmetic outcomes following posterior-only cervicothoracic hemivertebra resection and instrumentation. SUMMARY OF BACKGROUND DATA: Cervicothoracic hemivertebra is a rare congenital deformity. It locates between the mobile cervical spine and the fixed thoracic spine, leading to rapid curve progression, shoulder imbalance, fixed torticollis and facial asymmetry. METHODS: This study reviewed a consecutive series of 18 patients with cervicothoracic hemivertebra...
July 11, 2017: Spine
https://www.readbyqxmd.com/read/28688061/new-method-for-correction-of-lumbo-sacral-kyphosis-deformity-in-patient-with-high-pelvic-incidence
#4
Marcin Czyz, Stephen Forster, James Holton, Babak Shariati, David J Clarkson, Bronek M Boszczyk
STUDY DESIGN: Technical note. OBJECTIVE: We describe a novel technique of bilateral longitudinal sacral osteotomy allowing direct reduction of high pelvic incidence (PI) and correction of sagittal imbalance. METHODS: A 25-year-old female patient presented with a disabling lumbo-sacral kyphosis fused in situ through previous operations with residual low-grade wound infection and grade IV L5/S1 spondylolisthesis with severity index (SI) of 65%...
July 7, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28658036/short-limited-fusion-versus-long-fusion-with-deformity-correction-for-spinal-stenosis-with-balanced-de-novo-degenerative-lumbar-scoliosis-a-meta-analysis-of-direct-comparative-studies
#5
Chang-Hyun Lee, Chun Kee Chung, Moon Jun Sohn, Chi Heon Kim
STUDY DESIGN: A systematic review and meta-analysis. OBJECTIVE: To identify advantages and disadvantages of long versus short fusion for patients with SBSS, and to determine whether short fusions and long fusions have different curve progression after surgeries and differences in operative characteristics. SUMMARY OF BACKGROUND DATA: Patients with Spinal stenosis with Balanced de novo degenerative lumbar Scoliosis without substantial Sagittal imbalance (SBSS) usually undergo short limited fusion or long fusion with curve correction...
June 27, 2017: Spine
https://www.readbyqxmd.com/read/28645673/supra-acetabular-line-is-better-than-supra-iliac-line-for-coronal-balance-referencing-a-study-of-perioperative-whole-spine-x-rays-in-degenerative-lumbar-scoliosis-and-ankylosing-spondylitis-patients
#6
Hwee Weng Dennis Hey, Cheung-Kue Kim, Won-Gyu Lee, Hyung-Suk Juh, Ki-Tack Kim
BACKGROUND CONTEXT: The aim of spinal deformity correction is to restore the spine's functional alignment by balancing it in both the sagittal and coronal planes. Regardless of posture, the ideal coronal profile is straight, and therefore readily assessable. PURPOSE: This study compares two radiological methods to determine which better predicts postoperative standing coronal balance. STUDY DESIGN/SETTING: We conducted a single-centre, radiographic comparative study between 2011 and 2015...
June 20, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28638492/importance-of-radiological-evaluation-of-global-spinal-balance-together-with-lower-limb-alignment-in-planning-lumbar-spine-deformity-surgery-illustrative-case-presentation
#7
Mariusz Głowacki, Jerzy Walecki, Przemysław Kołakowski, Danuta Kolońska
BACKGROUND: The presented case illustrates the critical role of a detailed preoperative radiological evaluation in complex spine surgery. CASE REPORT: A 49-year-old patient was admitted for a revision surgery after L3-L5 fusion. Preoperative assessment showed preserved sagittal balance, coronal imbalance and valgus knee deformity. The patient reported pain of 8-10 in VAS (Visual Analogue Scale) and had an ODI (Oswestry Disability Index) of 60%. The first step of the surgery was L2-S1 fusion with decompression and spine deformity correction...
2017: Polish Journal of Radiology
https://www.readbyqxmd.com/read/28633648/radiologic-comparison-of-posterior-release-internal-distraction-final-pso-and-spinal-fusion-with-one-stage-posterior-vertebral-column-resection-for-multi-level-severe-congenital-scoliosis
#8
Shichang Liu, Nannan Zhang, Yueming Song, Zongrang Song, Liping Zhang, Jijun Liu, En Xie, Qining Wu, Dingjun Hao
BACKGROUND: To compare radiologic results of posterior release, internal distraction, and final pedicle subtraction osteotomy (PSO) and spinal fusionwith one-stage posterior vertebral column resection (PVCR) in treating multi-level severe congenital scoliosis. METHODS: Forty-onesevere congenital scoliosis patients were used in the study. Group A comprised 24 patients who underwent one-stage PVCR. Group B comprised 17 patients who underwent posterior release with internal distraction, followed by final posterior fusion and instrumentation...
June 20, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28622902/a-critical-analysis-of-sagittal-plane-deformity-correction-with-minimally-invasive-adult-spinal-deformity-surgery-a-2-year-follow-up-study
#9
Gregory M Mundis, Jay D Turner, Vedat Deverin, Juan S Uribe, Pierce Nunley, Praveen Mummaneni, Neel Anand, Paul Park, David O Okonkwo, Michael Y Wang, Shay Bess, Adam S Kanter, Richard Fessler, Stacie Nguyen, Behrooz A Akbarnia
INTRODUCTION: Sagittal plane realignment is important to achieve desirable clinical outcomes after adult spinal deformity (ASD) surgery. This study evaluates the impact of minimally invasive (MIS) techniques on sagittal plane alignment and clinical outcomes in ASD patients. METHODS: A retrospective, multi-center review of ASD patients (age ≥18 years, and with one of the following: coronal Cobb ≥20°, sagittal vertical axis [SVA] >5 cm, and/or pelvic tilt >25°), MIS surgery, and four or more levels instrumented...
July 2017: Spine Deformity
https://www.readbyqxmd.com/read/28601994/radiologic-features-of-dropped-head-syndrome-in-the-overall-sagittal-alignment-of-the-spine
#10
Kazuki Hashimoto, Hiroshi Miyamoto, Terumasa Ikeda, Masao Akagi
PURPOSE: Dropped head syndrome (DHS) is a rare clinical entity which is defined as a chin-on-chest deformity in the standing or sitting position, resulting from sagittal imbalance of the cervical region. The purpose of the present study was to clarify the radiologic features of DHS in the overall sagittal alignment of the spine. We also investigated the changes in sagittal alignment after correction surgery for DHS. METHODS: Twenty DHS patients [1 male and 19 female, with an average age of 78...
June 10, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28600607/-osteotomies-around-the-knee-for-ligament-insufficiency
#11
REVIEW
M J Feucht, T Tischer
BACKGROUND: The osseous geometry of the lower limb has a significant impact on knee instability after ligament injuries, and osseous malalignment has been shown to be a significant risk factor for the failure of ligament reconstruction procedures. Therefore, osteotomies around the knee have gained importance as a combined or isolated treatment option in the ligament deficient and malaligned knee. In addition to unloading of an arthritic knee compartment, osteotomies are also performed to protect a reconstructed ligament and to stabilize the joint without ligament surgery...
June 9, 2017: Der Orthopäde
https://www.readbyqxmd.com/read/28598295/pelvic-retroversion-a-compensatory-mechanism-for-lumbar-stenosis
#12
Sina Pourtaheri, Akshay Sharma, Jason Savage, Iain Kalfas, Thomas E Mroz, Edward Benzel, Michael P Steinmetz
OBJECTIVE The flexed posture of the proximal (L1-3) or distal (L4-S1) lumbar spine increases the diameter of the spinal canal and neuroforamina and can relieve symptoms of neurogenic claudication. Distal lumbar flexion can result in pelvic retroversion; therefore, in cases of flexible sagittal imbalance, pelvic retroversion may be compensatory for lumbar stenosis and not solely compensatory for the sagittal imbalance as previously thought. The authors investigate underlying causes for pelvic retroversion in patients with flexible sagittal imbalance...
June 9, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28593199/analysis-of-instrumentation-failures-after-three-column-osteotomies-of-the-spine
#13
Niranjan Kavadi, Richard A Tallarico, William F Lavelle
BACKGROUND: Correction of fixed spinal imbalance in a sagittal and/or coronal plane frequently needs a tricolumnar wedge resection when the deformity is rigid. Complications associated with deformity correction surgery are pseudoarthrosis and implant failure located along the construct. The purposes of this study were to assess comparative rates of pseudoarthrosis (implant failure) at weaker points along lumbosacral junction and level of osteotomy, estimate overall incidence of implant failure, and comparatively analyze failures at different points along the construct...
2017: Scoliosis and Spinal Disorders
https://www.readbyqxmd.com/read/28579287/effect-of-1-or-2-level-posterior-lumbar-interbody-fusion-on-global-sagittal-balance
#14
Jae Hwan Cho, Youn-Suk Joo, Cheongsu Lim, Chang Ju Hwang, Dong-Ho Lee, Choon Sung Lee
BACKGROUND CONTEXT: Sagittal imbalance is associated with poor clinical outcomes in patients with degenerative lumbar disease. However, there is no consensus on the impact of posterior lumbar interbody fusion (PLIF) on local and global sagittal balance. PURPOSE: To reveal the effect of 1- or 2-level PLIF on global sagittal balance. STUDY DESIGN/SETTING: A retrospective case-control study. PATIENTS SAMPLE: This study included 88 patients who underwent a 1- or 2-level PLIF for spinal stenosis with spondylolisthesis...
June 1, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28542103/predictive-accuracy-of-surgimaptm-surgical-planning-for-sagittal-imbalance-a-cohort-study
#15
Francesco Langella, Jorge Hugo Villafañe, Marco Damilano, Riccardo Cecchinato, Matteo Pejrona, Maryem Ismael, Pedro Berjano
STUDY DESIGN: A cohort study. OBJECTIVE: To evaluate the predictive value of surgical planning using Surgimap™ regarding postoperative sagittal alignment. SUMMARY OF BACKGROUND DATA: Surgical planning in sagittal imbalance is recognized as a key step of treatment to ensure results. METHODS: The study involved 40 non-consecutive patients who underwent surgery for sagittal misalignment. Postoperative alignment measured by sagittal vertical axis (SVA) and pelvic tilt (PT) was considered the gold standard...
May 25, 2017: Spine
https://www.readbyqxmd.com/read/28536117/the-association-between-whole-body-sagittal-balance-and-risk-of-falls-among-elderly-patients-seeking-treatment-for-back-pain
#16
J Kim, J Y Hwang, J K Oh, M S Park, S W Kim, H Chang, T-H Kim
OBJECTIVES: The objective of this study was to assess the association between whole body sagittal balance and risk of falls in elderly patients who have sought treatment for back pain. Balanced spinal sagittal alignment is known to be important for the prevention of falls. However, spinal sagittal imbalance can be markedly compensated by the lower extremities, and whole body sagittal balance including the lower extremities should be assessed to evaluate actual imbalances related to falls...
May 2017: Bone & Joint Research
https://www.readbyqxmd.com/read/28511266/diagnosis-and-differential-diagnosis-of-hydrocephalus-in%C3%A2-adults
#17
Sönke Langner, Steffen Fleck, Jörg Baldauf, Birger Mensel, Jens Peter Kühn, Michael Kirsch
Purpose Hydrocephalus is caused by an imbalance of production and absorption of cerebrospinal fluid (CSF) or obstruction of its pathways, resulting in ventricular dilatation and increased intracranial pressure. Imaging plays a crucial role in the diagnosis, differential diagnosis and planning of treatment. Methods This review article presents the different types of hydrocephalus und their typical imaging appearance, describes imaging techniques, and discusses differential diagnoses of the different forms of hydrocephalus...
August 2017: RöFo: Fortschritte Auf Dem Gebiete der Röntgenstrahlen und der Nuklearmedizin
https://www.readbyqxmd.com/read/28507779/spinal-osteotomies-indications-limits-and-pitfalls
#18
REVIEW
Kamil Cagri Kose, Omer Bozduman, Ali Erkan Yenigul, Servet Igrek
The aims of spinal deformity surgery are to achieve balance, relieve pain and prevent recurrence or worsening of the deformity.The main types of osteotomies are the Smith-Petersen osteotomy (SPO), pedicle subtraction osteotomy (PSO), bone-disc-bone osteotomy (BDBO) and vertebral column resection (VCR), in order of increasing complexity.SPO is a posterior column osteotomy in which the posterior ligaments and the facet joints are removed and correction is performed through the disc space. A mobile anterior disc is essential...
March 2017: EFORT open reviews
https://www.readbyqxmd.com/read/28502881/multilevel-schwab-grade-ii-osteotomies-for-sagittal-plane-correction-in-the-management-of-adult-spinal-deformity
#19
George M Ghobrial, Nathan H Lebwohl, Barth A Green, Joseph P Gjolaj
BACKGROUND CONTEXT: Prior reports have compared posterior column osteotomies with pedicle subtraction osteotomies in terms of utility for correcting fixed sagittal imbalance in adolescent patients with deformity. No prior reports have described the use of multilevel Smith-Petersen Osteotomies (SPOs) alone for surgical correction in the adult spinal deformity (ASD) population. PURPOSE: The study aimed to determine the utility of multilevel SPOs in the management of global sagittal imbalance in ASD patients...
May 11, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28475018/pedicle-subtraction-osteotomy-a-comprehensive-analysis-in-104-patients-does-the-cause-of-deformity-influence-the-outcome
#20
COMPARATIVE STUDY
Karin Eskilsson, Deep Sharma, Christer Johansson, Rune Hedlund
OBJECTIVE The clinical outcomes and complications of patients who underwent pedicle subtraction osteotomy (PSO) for various diagnoses were compared. More specifically, the purpose was to identify if outcomes differed between patients with flat-back syndrome after lumbar fusion (FBS-LF) versus patients who underwent surgery for adult spinal deformity (ASD). METHODS A retrospective analysis of 104 patients who underwent a PSO for sagittal plane imbalance was performed. There were 28 patients with FBS-LF and 76 patients with various forms of ASD...
July 2017: Journal of Neurosurgery. Spine
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