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Spine osteotomy

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https://www.readbyqxmd.com/read/28098740/adult-scoliosis-deformity-surgery-comparison-of-outcomes-between-1-vs-2-attending-surgeons
#1
Jaime A Gomez, Virginie Lafage, Daniel M Scuibba, Shay Bess, Gregory M Mundis, Barthelemy Liabaud, Regina Hanstein, Christopher Shaffrey, Michael Kelly, Christopher Ames, Justin S Smith, Peter G Passias, Thomas Errico, Frank Schwab
STUDY DESIGN: Retrospective review of prospectively collected data. OBJECTIVE: Assess outcomes of adult spinal deformity (ASD) surgery performed by 1 vs. 2 attending surgeons. SUMMARY OF BACKGROUND DATA: ASD centers have developed 2-attending teams in order to improve efficiency; their effects on complications and outcomes have not been reported. METHODS: ASD patients with ≥5 levels fused and > 2-year follow-up were included...
January 16, 2017: Spine
https://www.readbyqxmd.com/read/28060179/uniplanar-versus-fixed-pedicle-screws-in-the-correction-of-thoracic-kyphosis-in-the-treatment-of-adolescent-idiopathic-scoliosis-ais
#2
Siddharth A Badve, Ryan C Goodwin, David Gurd, Thomas Kuivila, Swamy Kurra, William F Lavelle
BACKGROUND: The aim of surgical treatment of scoliosis is to obtain fusion of the spinal column, balanced in the coronal and sagittal planes. Great success has been attained with coronal correction; however, the sagittal profile has received less attention, resulting in little correction of sagittal plane alignment. The purpose of this study was to compare uniplanar and fixed pedicle screws in the correction of the thoracic sagittal alignment in the treatment of adolescent idiopathic scoliosis (AIS)...
January 5, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28032226/posterior-corrective-surgery-for-moderate-to-severe-focal-kyphosis-in-the-thoracolumbar-spine-57-cases-with-minimum-3%C3%A2-years-follow-up
#3
Yan Zeng, Xiaochen Qu, Zhongqiang Chen, Xiaoxi Yang, Zhaoqing Guo, Qiang Qi, Weishi Li, Chuiguo Sun
PURPOSE: To evaluate the radiological and clinical outcomes of the corrective surgery for patients with moderate to severe focal kyphosis in thoracolumbar spine. METHODS: Fifty-seven patients with moderate to severe focal kyphosis of the thoracolumbar spine underwent apical segmental resection osteotomy with dual axial rotation correction at our hospital. There were 30 male and 27 female patients. The mean age was 34.3 years. The kyphosis level radiographs were obtained from each patient before surgery, immediately after surgery and at follow-up...
December 28, 2016: European Spine Journal
https://www.readbyqxmd.com/read/28032224/asymmetric-c7-pedicle-subtraction-osteotomy-for-correction-of-rigid-cervical-coronal-imbalance-secondary-to-post-traumatic-heterotopic-ossification-a-case-report-description-of-a-novel-surgical-technique-and-literature-review
#4
Alexander A Theologis, Kate D Bellevue, Erion Qamirani, Christopher P Ames, Vedat Deviren
PURPOSE: Deformities of the cervical spine are uncommon in the coronal plane. In this report, a unique case of a 31-year-old male with a fixed, 30° left coronal deformity due to heterotopic ossification 3 years status post poly-trauma was treated with an asymmetric C7 pedicle subtraction osteotomy (PSO). METHODS: Case report. RESULTS: Pre-operatively, the patient had a fixed 45-degree left tilt of his neck and radiographs demonstrated a rigid 30° scoliosis, 7 cm coronal imbalance, and 4 cm negative sagittal balance, diffuse bridging bone between the spinous processes and the facet joints of C5 to T1 bilaterally...
December 28, 2016: European Spine Journal
https://www.readbyqxmd.com/read/28009224/mesenteric-ischemia-following-the-correction-of-adult-spinal-deformity-case-report
#5
Krishn Khanna, Sigurd H Berven
Vascular complications are an important adverse event that can be associated with spinal reconstructive surgery. Direct injury of vessels, or indirect traction or compression of vessels, can cause both arterial and venous injury. Indirect compression of the mesenteric vessels is a well-recognized complication of bracing and surgical care of children with spinal deformity (superior mesenteric artery syndrome), but the complication is not common or well recognized in the adult population with spinal deformity...
December 23, 2016: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28005656/skeletal-changes-of-an-osteomyocutaneous-facial-allograft-five-years-following-transplantation
#6
Bahar Bassiri Gharb, Antonio Rampazzo, Gaby Doumit, Steven Bernard, Maria Siemionow, Francis Papay, Risal Djohan
BACKGROUND: More than 30 face transplantations have been performed worldwide, most including part of the facial skeletal framework. In this study, the modifications of the skeletal component of a facial allograft were evaluated. METHODS: Standard head computed tomography (CT) scans, CT angiogram, and bone mineral densitometry were evaluated. Cephalometric analysis was performed. The pre and postoperative CT images were overlapped and the skeletal changes were expressed in a numeric and color-coded scale...
December 21, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27994777/mini-open-anterior-lumbar-interbody-fusion-combined-with-lateral-lumbar-interbody-fusion-in-corrective-surgery-for-adult-spinal-deformity
#7
Chong-Suh Lee, Se-Jun Park, Sung-Soo Chung, Jun-Young Lee, Tae-Hoon Yum, Seong-Kee Shin
STUDY DESIGN: Prospective observational study. PURPOSE: To introduce the techniques and present the surgical outcomes of mini-open anterior lumbar interbody fusion (ALIF) at the most caudal segments of the spine combined with lateral lumbar interbody fusion (LLIF) for the correction of adult spinal deformity. OVERVIEW OF LITERATURE: Although LLIF is increasingly used to correct adult spinal deformity, the correction of sagittal plane deformity with LLIF alone is reportedly suboptimal...
December 2016: Asian Spine Journal
https://www.readbyqxmd.com/read/27973950/a-computer-assisted-navigation-technique-to-perform-bone-tumor-resection-without-dedicated-software
#8
Carmine Zoccali, Christina M Walter, Leonardo Favale, Alexander Di Francesco, Barbara Rossi
PURPOSE: In oncological orthopedics, navigation systems are limited to use in specialized centers, because specific, expensive, software is necessary. To resolve this problem, we present a technique using general spine navigation software to resect tumors located in different segments. MATERIALS AND METHODS: This technique requires a primary surgery during which screws are inserted in the segment where the bone tumor is; next, a CT scan of the entire segment is used as a guide in a second surgery where a resection is performed under navigation control...
December 2016: Comput Assist Surg (Abingdon)
https://www.readbyqxmd.com/read/27957592/-lateral-unicompartmental-knee-arthroplasty-a-challenge
#9
T Walker, P R Aldinger, M R Streit, T Gotterbarm
OBJECTIVE: Joint surface replacement in the lateral compartment by unicondylar knee arthroplasty. INDICATIONS: Lateral unicompartmental osteoarthritis of the knee joint, avascular necrosis of the lateral femoral condyle. CONTRAINDICATIONS: Full thickness cartilage defect in the central part of the medial compartment or in the medial aspect of the patellofemoral joint. Instability/contracture of cruciate and collateral ligaments, valgus deformity >15°, valgus deformity not passively correctable, flexion deformity >15°, an intraoperative flexion <100°, failed upper tibial osteotomy, rheumatoid arthritis...
December 12, 2016: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/27943228/history-of-spine-deformity-in-turkey
#10
Sait Naderi, Gülten Dinç
Spine deformities are among the most important spinal disorders, affecting health related life quality. Although, there are some studies in past centuries, most of spine deformity related studies and researches started in last century. Many surgical techniques, performed between 1960 and 1990, made scoliosis a touchable pathology. These techniques started with Harrington\'s system, wiring techniques, pedicle screw techniques, and all other universal techniques. Anterior and 360 degree techniques contributed to this process...
November 15, 2016: Turkish Neurosurgery
https://www.readbyqxmd.com/read/27936020/y-shape-osteotomy-in-ankylosing-spondylitis-a-prospective-case-series-with-minimum-2-year-follow-up
#11
Wenhao Hu, Jiayi Yu, Huawei Liu, Xuesong Zhang, Yan Wang
The aim of the study is to evaluate the efficacy of a spinal osteotomy technique, Y shape osteotomy, for correcting kyphosis in AS patients planned preoperatively with computer software-assistance. 36 consecutive AS patients with thoracolumbar kyphosis were treated with one-stage posterior Y shape osteotomy and preoperative surgical planning was done with the aid of the Surgimap Spine. Radiological parameters of simulation and immediate postoperation were documented. Clinical and radiological results were evaluated in the preoperative, the early postoperative periods and during the last follow-up...
2016: PloS One
https://www.readbyqxmd.com/read/27927571/a-comparative-analysis-among-the-srs-m-m-nis-and-kid-databases-for-the-adolescent-idiopathic-scoliosis
#12
Nathan J Lee, Javier Z Guzman, Jun Kim, Branko Skovrlj, Christopher T Martin, Andrew J Pugely, Yubo Gao, John M Caridi, Sergio Mendoza-Lattes, Samuel K Cho
STUDY DESIGN: Retrospective cohort analysis. OBJECTIVES: A growing number of publications have utilized the Scoliosis Research Society (SRS) Morbidity and Mortality (M&M) database, but none have compared it to other large databases. The objective of this study was to compare SRS complications with those in administrative databases. SUMMARY OF BACKGROUND DATA: The Nationwide Inpatient Sample (NIS) and Kid's Inpatient Database (KID) captured a greater number of overall complications while the SRS M&M data provided a greater incidence of spine-related complications following adolescent idiopathic scoliosis (AIS) surgery...
November 2016: Spine Deformity
https://www.readbyqxmd.com/read/27927523/adult-spinal-deformity-surgeons-are-unable-to-accurately-predict-postoperative-spinal-alignment-using-clinical-judgment-alone
#13
Tamir Ailon, Justin K Scheer, Virginie Lafage, Frank J Schwab, Eric Klineberg, Daniel M Sciubba, Themistocles S Protopsaltis, Lukas Zebala, Richard Hostin, Ibrahim Obeid, Tyler Koski, Michael P Kelly, Shay Bess, Christopher I Shaffrey, Justin S Smith, Christopher P Ames
OBJECT: Adult spinal deformity (ASD) surgery seeks to reduce disability and improve quality of life through restoration of spinal alignment. In particular, correction of sagittal malalignment is correlated with patient outcome. Inadequate correction of sagittal deformity is not infrequent. The present study assessed surgeons' ability to accurately predict postoperative alignment. METHODS: Seventeen cases were presented with preoperative radiographic measurements, and a summary of the operation as performed by the treating physician...
July 2016: Spine Deformity
https://www.readbyqxmd.com/read/27927520/staged-anterior-release-and-posterior-instrumentation-in-correction-of%C3%A2-severe-rigid-scoliosis-cobb-angle-100-degrees
#14
Pankaj Kandwal, Ankur Goswami, G Vijayaraghavan, K R Subhash, Ashok Jaryal, B N Upendra, Arvind Jayaswal
PURPOSE: Severe rigid curves present a big challenge to the treating spine surgeon. We evaluated the outcome of staged anterior release and posterior instrumentation for rigid scoliosis. METHODS: Twenty-one patients with an average age of 14.4 years (range 11-17) having a rounded severe rigid scoliosis (Cobb angle >100 degrees) underwent surgical correction. Six patients had congenital scoliosis, 13 idiopathic scoliosis, and 2 syndromic. All patients underwent anterior release in Stage I with one or more Ponte osteotomies and in Stage II with all pedicle screw instrumentation, and 13 of the patients underwent an asymmetric pedicle subtraction osteotomy at the apex...
July 2016: Spine Deformity
https://www.readbyqxmd.com/read/27927510/preoperative-intraoperative-and-postoperative-standing-lordosis-after-pedicle-subtraction-osteotomy-an-analysis-of-radiographic-parameters-and-surgical-strategy
#15
Jean-Christophe Leveque, Alicia Edwards, Rajiv K Sethi
STUDY DESIGN: Retrospective consecutive case series. OBJECTIVES: The objective of this study was to investigate the relationship between intraoperative and postoperative lumbar spine measurements after pedicle subtraction osteotomy (PSO). We analyzed the amount of lordosis lost between the prone intraoperative image and the final upright standing film. The outcome of this analysis should be used in preoperative planning for osteotomy procedures. METHODS: Sixteen patients had pre-, intra- and postoperative measurements of lumbar lordosis...
May 2016: Spine Deformity
https://www.readbyqxmd.com/read/27927508/kyphectomy-in-children-with-severe-myelomeningocele-related-kyphosis
#16
R N Dunn, L N Bomela
STUDY DESIGN: Retrospective review of prospectively maintained database. OBJECTIVES: To review myelomeningocele patients with severe kyphosis undergoing kyphectomy surgery in terms of complications and clinical and radiographic outcomes. SUMMARY OF BACKGROUND DATA: Because of posterior element abnormality in myelomeningocele, the extensor muscles act as perverted flexors, driving progressive kyphosis that resulted in sitting, respiratory, and skin breakdown problems...
May 2016: Spine Deformity
https://www.readbyqxmd.com/read/27926672/mechanisms-predisposing-factors-and-prognosis-of-intra-operative-vertebral-subluxation-during-pedicle-subtraction-osteotomy-in-surgical-correction-of-thoracolumbar-kyphosis-secondary-to-ankylosing-spondylitis
#17
Bang-Ping Qian, Sai-Hu Mao, Jun Jiang, Bin Wang, Yong Qiu
STUDY DESIGN: A retrospective study. OBJECTIVE: To analyze the mechanisms, predisposing factors and prognosis of the intraoperative vertebral subluxation (VS) during pedicle subtraction osteotomy (PSO) for thoracolumbar kyphosis secondary to ankylosing spondylitis (AS). SUMMARY OF BACKGROUND DATA: VS is one of the most daunting challenges that surgeons encounter during PSO closure, especially in AS patients with ankylosed and mostly osteoporotic spine...
December 6, 2016: Spine
https://www.readbyqxmd.com/read/27921206/periacetabular-osteotomy-provides-higher-survivorship-than-rim-trimming-for-acetabular-retroversion
#18
Corinne A Zurmühle, Helen Anwander, Christoph E Albers, Markus S Hanke, Simon D Steppacher, Klaus A Siebenrock, Moritz Tannast
BACKGROUND: Acetabular retroversion can cause impaction-type femoroacetabular impingement leading to hip pain and osteoarthritis. It can be treated by anteverting periacetabular osteotomy (PAO) or acetabular rim trimming with refixation of the labrum. There is increasing evidence that acetabular retroversion is a rotational abnormality of the entire hemipelvis and not a focal overgrowth of the anterior acetabular wall, which favors an anteverting PAO. However, it is unknown if this larger procedure would be beneficial in terms of survivorship and Merle d'Aubigné scores in a midterm followup compared with rim trimming...
December 5, 2016: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/27906436/iliac-crest-bone-graft-a-23-years-hystory-of-infection-at-donor-site-in-vertebral-arthrodesis-and-a-review-of-current-bone-substitutes
#19
L Babbi, G Barbanti-Brodano, A Gasbarrini, S Boriani
OBJECTIVE: This is an exemplary case report underlining a relevant morbidity which could be associated to the use of autologous iliac crest bone graft (ICBG) for spine fusion. CASE REPORT: Starting from 1990, a 25-years-old woman underwent two subsequent surgical treatments for non-Hodgkin lymphoma vertebral localizations. In the second surgery, arthrodesis was obtained with autograft through right posterior iliac crest osteotomy. During the chemotherapy treatment following the surgery, the patient suffered from infection at posterior iliac crest scar, the site of previous graft, caused by methicillin-resistant Staphylococcus aureus...
November 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27879571/radiographic-predictors-for-mechanical-failure-following-adult-spinal-deformity-surgery-a-retrospective-cohort-study-in-138-patients
#20
Dennis Winge Hallager, Sven Karstensen, Naeem Bukhari, Martin Gehrchen, Benny Dahl
STUDY DESIGN: Retrospective cohort study at a single institution. OBJECTIVE: We aimed at estimating the rate of revision procedures and identify radiographic predictors of mechanical failure following adult spinal deformity surgery. SUMMARY OF BACKGROUND DATA: Mechanical failure rates following adult spinal deformity surgery range 12% to 37% in literature. While the importance of spinal and spino-pelvic alignment is well documented for surgical outcome and ideal alignment has been proposed as sagittal vertical axis (SVA) < 5 cm, pelvic tilt < 20° and lumbar lordosis (LL) = pelvic incidence ± 9°, the role of radiographic sagittal spine parameters and alignment targets as predictors for mechanical failure remains uncertain...
November 22, 2016: Spine
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