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https://www.readbyqxmd.com/read/29325333/-biomechanical-effects-on-adjacent-segments-of-different-growing-rod-fixation-in-early-onset-scoliosis
#1
Y Hai, A X Pan, Y G Li, L Zang, S Yuan
Objective: To analyse the biomechanical effects on adjacent segments of different growing-rod (GR) fixation in early onset scoliosis through a finite element analysis method. Methods: A severe early-onset scoliosis patient was selected and the pre-operation and post-GR-operation (Upper instrumented levels: T(4), T(5). Lower instrumented levels: L(3), L(4)) whole spine 3-dimentional CT scan data were collected to build the finite models. Based on the different models, biomechanical differences on adjacent segments were analysed...
December 26, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29321946/clinical-and-radiologic-considerations-for-idiopathic-superior-mesenteric-artery-syndrome
#2
Mina S Makary, Anand Rajan, Anthony M Aquino, Suresh K Chamarthi
Superior mesenteric artery (SMA) syndrome often occurs in the setting of rapid weight loss and scoliosis corrective spinal surgery. A reduction of fat around the third part of the duodenum can predispose the duodenum to compression and obstruction by the SMA as it emerges from the abdominal aorta. In this report, we describe this underdiagnosed condition in a previously healthy young female presenting with progressive post-prandial emesis, non-specific abdominal pain, and weight loss. A critical review of this disease process is explored to highlight pathology, imaging characteristics, and essential alternative diagnostic considerations...
November 5, 2017: Curēus
https://www.readbyqxmd.com/read/29319661/observed-length-increases-of-magnetically-controlled-growing-rods-are-lower-than-programmed
#3
Sarah E Gilday, Mark S Schwartz, Donita I Bylski-Austrow, David L Glos, Lindsay Schultz, Sara O'Hara, Viral V Jain, Peter F Sturm
BACKGROUND: Magnetically controlled growing rods (MCGRs) are increasingly used in the treatment of early onset scoliosis (EOS). Few studies have reported whether desired lengthening can reliably be achieved, or if prior spine instrumentation and large tissue depths affect lengthening. In this clinical study of EOS patients, it was hypothesized that increases in rod length would equal programmed increases, patients with prior spine instrumentation would lengthen less than patients without prior surgery, and larger tissue depths would decrease lengthening success...
January 9, 2018: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/29318413/evaluation-of-postoperative-fever-after-surgical-correction-of-neuromuscular-scoliosis-implication-on-management
#4
Mohamed Abdelhamid Ali Yousef, Scott Rosenfeld
BACKGROUND: Scoliosis is a common deformity in patients with neuromuscular disorders which usually necessitates surgical correction. Patients with neuromuscular scoliosis are characterized by increased incidence of associated medical co-morbidities and higher postoperative complication rate; therefore, these patients are often managed with a wide multidisciplinary care team. Postoperative fever is a frequent complication after surgery which is often routinely investigated using different workup tests to rule out infection...
January 9, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29318284/screening-for-adolescent-idiopathic-scoliosis-us-preventive-services-task-force-recommendation-statement
#5
David C Grossman, Susan J Curry, Douglas K Owens, Michael J Barry, Karina W Davidson, Chyke A Doubeni, John W Epling, Alex R Kemper, Alex H Krist, Ann E Kurth, C Seth Landefeld, Carol M Mangione, Maureen G Phipps, Michael Silverstein, Melissa A Simon, Chien-Wen Tseng
Importance: Adolescent idiopathic scoliosis, a lateral curvature of the spine of unknown cause with a Cobb angle of at least 10°, occurs in children and adolescents aged 10 to 18 years. Idiopathic scoliosis is the most common form and usually worsens during adolescence before skeletal maturity. Severe spinal curvature may be associated with adverse long-term health outcomes (eg, pulmonary disorders, disability, back pain, psychological effects, cosmetic issues, and reduced quality of life)...
January 9, 2018: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/29317368/interdisciplinary-care-model-independently-decreases-use-of-critical-care-services-after-corrective-surgery-for-adult-degenerative-scoliosis
#6
Owoicho Adogwa, Aladine A Elsamadicy, Amanda R Sergesketter, Michael Ongele, Victoria Vuong, Syed Khalid, Jessica Moreno, Joseph Cheng, Isaac O Karikari, Carlos A Bagley
OBJECTIVE: Interdisciplinary management of elderly patients requiring spine surgery has been shown to improve short and long-term outcomes. The aim of this study is to determine whether an interdisciplinary team approach mitigates use of intensive care unit (ICU) resources. METHODS: A unique co-management model for elderly patients undergoing lumbar fusion surgery was implemented at a major academic medical center. The Peri-operative Optimization of Senior Health Program(POSH) was launched with the aim of improving outcomes in elderly patients(>65-years-old) undergoing complex lumbar spine surgery...
January 6, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29316959/ankylosing-spondylitis-kyphosis-surgical-correction-postoperative-evaluation-via-srs-22-domain-investigation
#7
Hao Zhang, XueSong Zhang, Fanqi Hu, Wenhao Hu, Yao Wang, Yongyu Hao
BACKGROUND: The SRS-22 is used to evaluate clinical outcomes in ankylosing spondylitis kyphosis patients. This study aimed to investigate the relationship between Scoliosis Research Society-22 (SRS-22) domains and satisfaction with management in patients who underwent surgical correction for ankylosing spondylitis kyphosis. The relationship between patient satisfaction and SRS-22 domain scores will feedback abundant information of therapeutic effect and significance for treatment guidance...
January 9, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29316936/perioperative-complications-after-surgical-treatment-in-degenerative-adult-de-novo-scoliosis
#8
Maciej J K Simon, Henry F H Halm, Markus Quante
BACKGROUND: Degenerative adult de novo (DAD) scoliosis appears characteristically in the sixth or seventh decade with symptoms of severe back pain and radiculopathy or spinal claudication. The aim of this study was to enhance the knowledge of perioperative complications and detect possible risk factors in this selective DAD scoliosis surgery. METHODS: This retrospective study included only patients with DAD scoliosis undergone correction spondylodesis with previous failure of conservative treatment...
January 10, 2018: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29315128/parallel-proximal-fixation-in-rib-based-growing-rod-system-a-novel-approach-to-deal-with-proximal-anchor-migration
#9
John Heflin, Michelle Welborn, Norman Ramirez-Lluch, Ivan Iriarte, Ron El-Hawary, Graham T Fedorak, John T Smith
STUDY DESIGN: Retrospective case control OBJECTIVE.: To report on differences in implant failure rates and complications requiring reoperation in children with early-onset scoliosis (EOS) treated with rib-based distraction utilizing four proximal fixation points in either a parallel or in-line configuration. SUMMARY OF BACKGROUND DATA: Proximal anchor failure continues to be a significant problem in growth-friendly surgery using rib-based distraction to treat children with EOS...
January 8, 2018: Spine
https://www.readbyqxmd.com/read/29315120/ethnic-variations-in-radiographic-parameters-and-srs-22-scores-in-adult-spinal-deformity-a-comparison-between-north-american-and-japanese-patients-above-50-years-of-age-with-minimum-2-year-follow-up
#10
Naobumi Hosogane, Christopher Ames, Morio Matsumoto, Mitsuru Yagi, Yukihiro Matsuyama, Hiroshi Taneichi, Yu Yamato, Daisaku Takeuchi, Frank Schwab, Christopher Shaffrey, Justin S Smith, Shay Bess, Virginie Lafage
STUDY DESIGN: Retrospective review of North American and Japanese adult spinal deformity (ASD) database. OBJECTIVE: To investigate the ethnical differences in radiographic parameters and Scoliosis Research Society (SRS)-22 between North American and Japanese ASD. SUMMARY OF BACKGROUND DATA: Previous comparison study between North American and Japanese ASD patients has revealed Japanese patients had marked pelvic tilt deformity and had lower Oswestry Disability Index scores corresponding to established thresholds of radiographic deformity...
January 8, 2018: Clinical Spine Surgery
https://www.readbyqxmd.com/read/29312839/safety-and-efficacy-of-the-use-of-intrathecal-morphine-for-spinal-three-column-osteotomy
#11
Jason R Audlin, Swamy Kurra, William Lavelle, Richard A Tallarico, Mike H Sun, Nathaniel R Ordway, Elizabeth A Demers Lavelle
Introduction The use of intrathecal morphine has the potential to help alleviate the pain that patients experience undergoing spinal surgeries. Complications can cause immobilization, which can lead to vascular thrombosis and ileus. Studies have shown epidural analgesia significantly lowered postoperative pain scores in scoliosis surgeries. Intrathecal anesthesia has been shown to have good pain control over the initial 24-hour postoperative period. Purpose Determine if intrathecal morphine would reduce postoperative pain with minimal side effects...
November 3, 2017: Curēus
https://www.readbyqxmd.com/read/29310355/revision-surgery-for-lumbar-hemivertebra-in-a-7-year-old-child-with-10-year-follow-up-a-case-report-a-care-compliant-article
#12
Xuhong Xue, Sheng Zhao
RATIONALE: Hemivertebrae, which are the most frequent cause of congenital scoliosis, pose a challenge in terms of prognosis and therapy. The current gold standard treatment congenital scoliosis due to a lumbar and thoracic hemivertebra would be hemivertebra resection and short level posterior spinal fusion. Paucity literatures are reported for the treatment of hemivertebra by convex fusion with posterior hemivertebra excision. PATIENT CONCERNS: The patient was first noticed to have a spinal problem at 7 years of age...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29306231/the-efficacy-of-in-situ-local-autograft-in-adolescent-idiopathic-scoliosis-surgery-a-comparison-of-three-different-grafting-methods
#13
Metin Işık, Hacı Mustafa Özdemir, Abdurrahman Sakaoğulları, Bertan Cengiz, Nevres Hürriyet Aydoğan
Background/aim: This study was performed to show the efficacy of in situ local autograft with a comparison of in situ local autograft, local autograft with allograft, and local autograft with posterior iliac crest autograft.Materials and methods: In this prospective randomized study, a total of 65 adolescent idiopathic scoliosis (AIS) patients were separated into 3 groups: Group 1 using local autograft and allograft, Group 2 using local autograft only, and Group 3 using local autograft and posterior iliac crest autograft...
December 19, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/29298440/effect-of-posterior-fossa-decompression-for-chiari-malformation-i-on-scoliosis
#14
Silky Chotai, Jade Basem, Stephen Gannon, Michael Dewan, Chevis N Shannon, John C Wellons, Christopher M Bonfield
BACKGROUND/AIMS: Scoliosis is common in patients with Chiari malformation-I (CM-I). This study examined the change in scoliosis severity after posterior fossa decompression (PFD) for CM-I. METHODS: We conducted a retrospective review at a single tertiary center for children undergoing PFD with untreated scoliosis, and identified 17 patients with complete follow-up data and imaging. RESULTS: Overall, scoliosis improved in 7 (41.2%) patients, worsened in 9 (52...
January 4, 2018: Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29295647/prophylactic-riluzole-attenuates-oxidative-stress-damage-in-spinal-cord-distraction
#15
Eileen Nicole Shimizu, Jennifer L Seifert, Kevin J Johnson, Mario Romero-Ortega
Spinal cord injury (SCI) without radiographic abnormalities (SCIWORA) presents a significant challenge due the loss of function despite an apparent normal anatomy. The cause of dysfunction is not understood and specific treatment options are lacking. Some scoliosis corrective surgeries result in SCIWORA, where stretching of the spinal cord can lead to vascular compromise and hypoxia. This procedure allows for the implantation of neuroprotective strategies designed to prevent iatrogenic SCI. We utilized a model of atraumatic SCI to evaluate the efficacy of the sodium channel blocker Riluzole, as a prophylactic neuroprotectant...
January 2, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29289805/comparing-uniplanar-and-multiaxial-pedicle-screws-in-the-derotation-of-apical-vertebrae-for-lenke-v-adolescent-idiopathic-scoliosis-ais-a-case-controlled-study
#16
Tao Lin, Tangbo Li, Heng Jiang, Jun Ma, Xuhui Zhou
OBJECTION: To compare the use of uniplanar and multiaxial pedicle screws in terms of their effects on the apical vertebral derotation efficiency in Lenke V AIS patients. METHODS: A retrospective study was performed, and Lenke V AIS patients with uniplanar pedicle screws (Group I) and multiaxial pedicle screws (Group II) were collected from Jan 2013 to Dec 2015. The grade of the apical vertebral rotation was evaluated before and after surgery using the Nash-Moe and Upasani methods, respectively...
December 28, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29287822/srs-22r-minimum-clinically-important-difference-and-substantial-clinical-benefit-after-adult-lumbar-scoliosis-surgery
#17
Leah Y Carreon, Michael P Kelly, Charles H Crawford, Christine R Baldus, Steven D Glassman, Christopher I Shaffrey, Keith H Bridwell
STUDY DESIGN: Longitudinal cohort. OBJECTIVES: To determine if the minimum clinically important difference (MCID) and substantial clinical benefit (SCB) thresholds for the Scoliosis Research Society-22R (SRS22R) domains in patients with degenerative lumbar scoliosis are similar to those in patients with adult spinal deformity (ASD) with fusions extending into the thoracic spine. SUMMARY OF BACKGROUND DATA: The MCID and SCB thresholds for the SRS22R domains in patients with ASD and adolescent idiopathic scoliosis have been reported...
January 2018: Spine Deformity
https://www.readbyqxmd.com/read/29287820/health-related-quality-of-life-scores-underestimate-the-impact-of-major-complications-in-lumbar-degenerative-scoliosis-surgery
#18
Steven D Glassman, Keith H Bridwell, Christopher I Shaffrey, Charles C Edwards, Jon D Lurie, Christine R Baldus, Leah Y Carreon
STUDY DESIGN: Retrospective cohort. OBJECTIVE: To examine Charlson Comorbidity Index (CCMI) as a marker for deterioration in health status not reflected in standard Health Related Quality of Life (HRQOL) measures. SUMMARY OF BACKGROUND DATA: HRQOL has become a primary metric for assessing outcomes following spinal deformity surgery. However, studies have reported limited impact of complications on postoperative HRQOL outcomes. METHODS: We examined serial CCMI, complications, and HRQOL outcomes for 138 adult lumbar deformity patients treated surgically with a minimum two-year follow-up that included 126 females (91%) with a mean age of 59...
January 2018: Spine Deformity
https://www.readbyqxmd.com/read/29287818/youth-and-experience-the-effect-of-surgeon-experience-on-outcomes-in-cerebral-palsy-scoliosis-surgery
#19
Patrick J Cahill, Amer F Samdani, Christopher M Brusalis, Todd Blumberg, Jahangir Asghar, Tracey P Bastrom, Saba Pasha, Christian A Refakis, Joshua M Pahys, John M Flynn, Paul D Sponseller
BACKGROUND: Series on the learning curve in spinal deformity surgery have been published, but none has addressed neuromuscular spinal deformity, comprised of arguably the most complex cases. We present the first multi-center analysis of the impact of surgeon experience on neuromuscular spinal deformity surgery. METHODS: A multi-center prospective study of spinal deformity surgery for cerebral palsy (CP) with at least 2 years of follow-up provided the dataset for assessment...
January 2018: Spine Deformity
https://www.readbyqxmd.com/read/29287816/comparison-of-percentile-weight-gain-of-growth-friendly-constructs-in-early-onset-scoliosis
#20
Liam R Harris, Lindsay M Andras, Paul D Sponseller, Charles E Johnston, John B Emans, David L Skaggs
STUDY DESIGN: Multicenter retrospective cohort. OBJECTIVE: To compare improvement in nutritional status seen in early-onset scoliosis (EOS) patients following treatment with various growth-friendly techniques, especially in underweight patients (<20th weight percentile). BACKGROUND: Thoracic insufficiency resulting from EOS can lead to severe cardiopulmonary disease. In this age group, pulmonary function tests are often difficult or impossible to perform...
January 2018: Spine Deformity
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