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Spine surgery scoliosis

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https://www.readbyqxmd.com/read/27900714/is-there-asymmetry-between-the-concave-and-convex-pedicles-in-adolescent-idiopathic-scoliosis-a-ct-investigation
#1
Colin M Davis, Caroline A Grant, Mark J Pearcy, Geoffrey N Askin, Robert D Labrom, Maree T Izatt, Clayton J Adam, J Paige Little
BACKGROUND: Adolescent idiopathic scoliosis is a complex three-dimensional deformity of the spine characterized by deformities in the sagittal, coronal, and axial planes. Spinal fusion using pedicle screw instrumentation is a widely used method for surgical correction in severe (coronal deformity, Cobb angle > 45°) adolescent idiopathic scoliosis curves. Understanding the anatomic difference in the pedicles of patients with adolescent idiopathic scoliosis is essential to reduce the risk of neurovascular or visceral injury through pedicle screw misplacement...
November 29, 2016: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/27893663/revision-surgery-for-curve-progression-after-implant-removal-following-posterior-fusion-only-at-a-young-age-in-the-treatment-of-congenital-scoliosis-a-case-report
#2
Dong-Gune Chang, Jae Hyuk Yang, Jung-Hee Lee, Jung-Sub Lee, Seung-Woo Suh, Jin-Hyok Kim, Seung-Yeol Oh, Woojin Cho, Jong-Beom Park, Se-Il Suk
RATIONALE: Congenital scoliosis due to a hemivertebra creates a wedge-shaped deformity, which progresses and causes severe spinal deformities as an individual grows. The treatment of congenital scoliosis focuses on early diagnosis and appropriate surgical management before the development of severe deformity. PATIENT CONCERNS: We report the case of a 4-year-old male child with a left thoracolumbar scoliosis of 27° (T10-T12) due to a T11 hemivertebra who was treated by posterior fusion and pedicle screw fixation at the age of 4 years...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27890439/a-japanese-nationwide-multicenter-survey-on-perioperative-complications-of-corrective-fusion-for-elderly-patients-with-adult-spinal-deformity
#3
Yu Yamato, Yukihiro Matsuyama, Kazuhiro Hasegawa, Yoichi Aota, Tsutomu Akazawa, Takahiro Iida, Kazumasa Ueyama, Koki Uno, Tokumi Kanemura, Noriaki Kawakami, Toshiaki Kotani, Masashi Takaso, Jun Takahashi, Masato Tanaka, Hiroshi Taneichi, Taichi Tsuji, Hideo Hosoe, Joji Mochida, Takachika Shimizu, Ikuho Yonezawa, Kota Watanabe, Morio Matsumoto
BACKGROUND: Recently, corrective fusion surgery for patients with adult spinal deformity (ASD) has become common in Japan. This study aimed to clarify the status of surgeries for ASD in Japan, focusing on perioperative complications. A nationwide multicenter survey gathering information on surgically treated ASD patients was conducted by the committee for Adult Spinal Deformity of the Japanese Scoliosis Society. METHODS: This study was a review of retrospectively collected data from 18 spine scoliosis centers belonging to the Japanese Scoliosis Society...
November 24, 2016: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/27879512/uhmwpe-sublaminar-wires-in-posterior-spinal-instrumentation-stability-and-biocompatibility-assessment-in-an-ovine-pilot-study
#4
Rob Bogie, Laura Voss, Jacobus J Arts, Arno Lataster, Paul C Willems, Boudewijn Brans, Lodewijk W van Rhijn, Tim J M Welting
STUDY DESIGN: An animal study. OBJECTIVE: To explore ultra-high molecular weight polyethylene (UHMWPE) sublaminar wires in spinal surgery and to assess stability and biocompatibility of the UHMWPE instrumentation in an ovine model. SUMMARY OF BACKGROUND DATA: Sublaminar wiring is a well-established technique in segmental scoliosis surgery. However, during introduction and/or removal of the metal sublaminar wires, neurological problems can occur...
December 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27876481/physical-effects-of-unilateral-mastectomy-on-spine-deformity
#5
Savaş Serel, Zeynep Yasavur Tuzlalı, Zehra Akkaya, Çağlar Uzun, Burak Kaya, Sancar Bayar
OBJECTIVE: Mastectomy is known to effect body posture after a change in the center of gravity of women due to a missing breast. Although previous studies on short-term postural changes in mastectomy patients using photogrammetry or Moiré topography suggested ipsilateral inclination of the trunk, our clinical observations during breast reconstruction surgeries indicated a contralateral shoulder elevation in women with unilateral mastectomy. Because the change in body posture can affect spinal alignment, we aimed to evaluate the long-term physical effects of unilateral mastectomy on spine deformity by radiographic examination...
October 26, 2016: Clinical Breast Cancer
https://www.readbyqxmd.com/read/27861399/factors-affecting-pelvic-rotation-in-idiopathic-scoliosis-analysis-of-85-cases-in-a-single-center
#6
Yunfei Zhao, Lin Qi, Jun Yang, Xiaodong Zhu, Changwei Yang, Ming Li
Pelvic rotation (PR) is commonly seen in patients with idiopathic scoliosis (IS), but factors contributing to this phenomenon and its relationship with the surgical outcome are not well established.This retrospective study included 85 IS patients in 2 groups: thoracic curve dominance group (group A) and lumbar curve dominance group (group B). Pre- and postoperative PR was measured on standing posteroanterior radiographs by the left/right ratio (L/R ratio) of horizontal distance between the anterior superior iliac spine (ASIS) and the inferior ilium (SI) at the sacroiliac joint on the same side in both groups...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27857857/predictive-parameters-for-the-antecedent-development-of-hip-pathology-associated-with-long-segment-fusions-to-the-pelvis-for-the-treatment-of-adult-spinal-deformity
#7
Merritt D Kinon, Rani Nasser, Jonathan P Nakhla, Owoicho Adogwa, Jessica R Moreno, Michael Harowicz, Terence Verla, Reza Yassari, Carlos A Bagley
BACKGROUND: The surgical treatment of adult scoliosis frequently involves long segment fusions across the lumbosacral joints that redistribute tremendous amounts of force to the remaining mobile spinal segments as well as to the pelvis and hip joints. Whether or not these forces increase the risk of femoral bone pathology remains unknown. The aim of this study is to determine the correlation between long segment spinal fusions to the pelvis and the antecedent development of degenerative hip pathologies as well as what predictive patient characteristics, if any, correlate with their development...
2016: Surgical Neurology International
https://www.readbyqxmd.com/read/27852501/longitudinal-pilot-analysis-of-radiation-exposure-during-the-course-of-growing-rod-treatment-for-early-onset-scoliosis
#8
Gregory M Mundis, Jeff B Pawelek, Edward K Nomoto, Michael W Hennessy, Burt Yaszay, Behrooz A Akbarnia
STUDY DESIGN: Retrospective consecutive case series. OBJECTIVES: To estimate the amount of ionizing radiation (IR) exposure in growing rod (GR) surgery for early-onset scoliosis. SUMMARY OF BACKGROUND DATA: There is substantial evidence of the health hazards attributed to IR exposure. However, no studies have estimated the amount of IR exposure in GR surgery. MATERIALS AND METHODS: A consecutive single-center series of GR patients were retrospectively reviewed...
January 2016: Spine Deformity
https://www.readbyqxmd.com/read/27852499/does-an-internal-thoracoplasty-correct-and-prevent-a-reassertion-of-the-rib-cage-deformity-after-spine-surgery-for-an-adolescent-idiopathic-thoracic-scoliosis-greater-than-70-degrees
#9
Michael J McMaster, Marianne E McMaster
STUDY DESIGN: Prospective observational study. OBJECTIVE: To evaluate the effect of internal thoracoplasty and anterior spine release combined with posterior spinal instrumentation in correcting and preventing a reoccurrence of the rib cage deformity in adolescent idiopathic thoracic scoliosis >70 degrees. SUMMARY OF BACKGROUND DATA: The rib cage deformity rather than the lateral curvature of the spine is usually the major cosmetic deformity in severe adolescent idiopathic thoracic scoliosis...
January 2016: Spine Deformity
https://www.readbyqxmd.com/read/27847853/assessment-of-coronal-radiographic-parameters-of-the-spine-in-the-treatment-of-adolescent-idiopathic-scoliosis
#10
Mohsen Karami, Arash Maleki, Keyvan Mazda
BACKGROUND: To determine the most important preoperative factors that affect postoperative coronal parameters of scoliotic curves. METHODS: All Adolescent Idiopathic Scoliosis (AIS) patients included in the study were classified according to Lenke and King Classification. The fusion levels were selected according to the rigidity of the existing curves (correction less than 50%), tilt of T1 and shoulders, sagittal angle of the curves and with considering stable and neutral end vertebra...
October 2016: Archives of Bone and Joint Surgery
https://www.readbyqxmd.com/read/27847581/foreign-body-reaction-after-implantation-of-a-device-for-intervertebral-assisted-motion
#11
Jun-Yeong Seo, Kee-Yong Ha, Young-Hoon Kim, Joo-Hyun Ahn
The device for intervertebral assisted motion (DIAM) is a dynamic implant that consists of a silicone bumper enveloped by a polyethylene terephthalate (PET) fiber sack. Silicone and PET were used because of their biological inertness, but repetitive motion of the spine can cause wear on the implant nonetheless. The purpose of this study is to report a case of foreign body reaction (FBR) against a DIAM. A 72-year-old female patient presented with lower back pain and both legs radiating pain. She had undergone DIAM implantation at L4-5 for spinal stenosis 5 years previously...
November 2016: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/27846350/-pulmonary-function-assessment-in-juvenile-idiopathic-scoliosis-managed-with-posterior-instrumentation-with-a-sublaminar-hook-system
#12
I González-Delgadillo, E Zamudio-Carrera, L V Díaz de León-Morales, A Rodríguez-Pérez
INTRODUCTION: Scoliosis is a spine deformity diagnosed using Cobbs method when the AP X-ray view shows an angulation greater than 10º. Scoliosis exceeding 50º results in restrictive pulmonary alterations. Surgical management improves the angulation and the pulmonary restrictive process. The pre- and post-operative pulmonary function values were compared using spirometry. MATERIAL AND METHODS: 27 patients of both genders, ages 11-15 years, underwent corrective surgery using posterior instrumentation with sublaminar hooks, rods and posterolateral arthrodesis...
March 2016: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/27831967/5-year-reoperation-risk-and-causes-for-revision-after-idiopathic-scoliosis-surgery
#13
S Imraan Ahmed, Tracey P Bastrom, Burt Yaszay, Peter O Newton
STUDY DESIGN: Actuarial "survivorship" analysis OBJECTIVE.: To define the incidence and cause of surgical revision five years after scoliosis surgery. SUMMARY OF BACKGROUND DATA: Data on contemporary revision surgery rates after idiopathic scoliosis surgery beyond the two years postoperatively in the adolescent and young adult population is limited. METHODS: Patients enrolled in a prospective, multicenter, idiopathic scoliosis surgical registry from 1995-2009 were reviewed...
November 9, 2016: Spine
https://www.readbyqxmd.com/read/27825053/intra-operative-measurement-of-applied-forces-during-anterior-scoliosis-correction
#14
H Fairhurst, J P Little, C J Adam
BACKGROUND: Spinal instrumentation and fusion for the treatment of scoliosis is primarily a mechanical intervention to correct the deformity and halt further progression. While implant-related complications remain a concern, little is known about the magnitudes of the forces applied to the spine during surgery, which may affect post-surgical outcomes. In this study, the compressive forces applied to each spinal segment during anterior instrumentation were measured in a series of patients with Adolescent Idiopathic Scoliosis...
October 30, 2016: Clinical Biomechanics
https://www.readbyqxmd.com/read/27815948/an-operative-complexity-index-shows-higher-volume-hospitals-and-surgeons-perform-more-complex-adult-spine-deformity-operations
#15
Justin C Paul, Baron S Lonner, Vadim Goz, Raj Karia, Courtney S Toombs, Thomas J Errico
BACKGROUND: Though previous studies have shown improved outcomes associated with higher volume surgeons and hospitals, this may not be replicated in ASDS due to case complexity variation. We hypothesized that high-volume surgeons perform more complex surgeries. Therefore, we defined an Operative Complexity Index (OCI), specifically for the National Inpatient Samples (NIS) data, which provides information on in-hospital postoperative complications, to assess rates of adult spine deformity surgery (ASDS) cases as they relate to surgeon and hospital operative volume...
November 2016: Bulletin of the Hospital for Joint Diseases
https://www.readbyqxmd.com/read/27815217/global-tilt-and-lumbar-lordosis-index-two-parameters-correlating-with-health-related-quality-of-life-scores-but-how-do-they-truly-impact-disability
#16
L Boissière, M Takemoto, A Bourghli, J M Vital, F Pellisé, A Alanay, C Yilgor, E Acaroglu, F J Perez-Grueso, F Kleinstück, I Obeid
BACKGROUND CONTEXT: Many radiological parameters have been reported to correlate with patient's disability including sagittal vertical axis (SVA), pelvic tilt (PT), and pelvic incidence minus lumbar lordosis (PI-LL). European literature reports other parameters such as lumbar lordosis index (LLI) and the global tilt (GT). If most parameters correlate with health-related quality of life scores (HRQLs), their impact on disability remains unclear. PURPOSE: This study aimed to validate these parameters by investigating their correlation with HRQLs...
November 1, 2016: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/27807120/outcomes-of-spinal-fusion-for-cervical-kyphosis-in-children-with-neurofibromatosis
#17
Ilkka J Helenius, Paul D Sponseller, William Mackenzie, Thierry Odent, John P Dormans, Jahangir Asghar, Karl Rathjen, Joshua M Pahys, Firoz Miyanji, Daniel Hedequist, Jonathan H Phillips
BACKGROUND: Cervical kyphosis may occur with neurofibromatosis type I (NF1) and is often associated with vertebral dysplasia. Outcomes of cervical spinal fusion in patients with NF1 are not well described because of the rarity of the condition. We aimed to (1) characterize the clinical presentation of cervical kyphosis and (2) report the outcomes of posterior and anteroposterior cervical fusion for the condition in these children. METHODS: The medical records and imaging studies of 22 children with NF1 who had undergone spinal fusion for cervical kyphosis (mean, 67°) at a mean age of 11 years and who had been followed for a minimum of 2 years were reviewed...
November 2, 2016: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/27802254/t1-pelvic-angle-is-a-useful-parameter-for-postoperative-evaluation-in-adult-spinal-deformity-patients
#18
Tomohiro Banno, Tomohiko Hasegawa, Yu Yamato, Sho Kobayashi, Daisuke Togawa, Shin Oe, Yuki Mihara, Yukihiro Matsuyama
STUDY DESIGN: Retrospective review. OBJECTIVE: We investigated validity of T1 pelvic angle (TPA) for postoperative assessment and determined its target value for corrective scoliosis surgery. SUMMARY OF BACKGROUND DATA: TPA is a novel spinopelvic parameter accounting for both pelvic retroversion and trunk anteversion. As an angle, it is less affected by posture and correlates well with health-related quality of life in adult spinal deformity patients...
November 1, 2016: Spine
https://www.readbyqxmd.com/read/27792122/health-related-quality-of-life-and-care-giver-burden-following-spinal-fusion-in-children-with-cerebral-palsy
#19
Rachel DiFazio, Patricia Miller, Judith A Vessey, Brian Snyder
STUDY DESIGN: Prospective longitudinal cohort OBJECTIVE.: Evaluate changes in caregivers' perceptions of health related quality of life (HRQOL) and caregiver burden in children with severe cerebral palsy (CP) following spinal fusion. SUMMARY OF BACKGROUND DATA: Progressive scoliosis is common in non-ambulatory children with CP; the utility of spine fusion has been long debated and prospective evaluations of patient reported outcomes are limited. METHODS: Children 3-21 years old, GMFCS IV-V CP, scheduled for spine fusion were enrolled consecutively from September 2011-March 2014...
October 25, 2016: Spine
https://www.readbyqxmd.com/read/27785761/using-physiological-monitoring-data-for-performance-feedback-an-initiative-using-thermoregulation-metrics
#20
Matthias Görges, Nicholas C West, Simon D Whyte
BACKGROUND: Feedback of performance data can improve professional practice and outcomes. Vital signs are not routinely used for quality improvement because of their limited access. Intraoperative hypothermia has been associated with deleterious effects, including surgical site infections and bleeding. We speculated that providing feedback could help keep temperature monitoring and management a priority in the anesthesiologist's mind, thereby improving perioperative temperature management...
October 26, 2016: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
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