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Clinical Spine Surgery

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https://www.readbyqxmd.com/read/28402988/incidence-and-factors-predictive-of-dysphagia-and-dysphonia-after-anterior-operation-with-multilevel-cervical-spondylotic-myelopathy
#1
Shunzhi Yu, Zhi Chen, Ning Yan, Tiesheng Hou, Shisheng He
STUDY DESIGN: Retrospective database analysis. OBJECTIVE OF THE STUDY: The objective of the study was to quantify the incidence of dysphagia and dysphonia and assess the associated risk factors after multilevel cervical anterior operation. SUMMARY OF BACKGROUND DATA: Anterior approach for multilevel cervical spondylotic myelopathy has been developed and obtained favorable outcomes. As number of fused levels increased, the operation difficulty, invasiveness and operative risks are higher...
April 11, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28394776/correlation-analysis-between-modic-change-of-cervical-vertebrae-and-intramedullary-high-signal-intensity
#2
Hao Zhou, Jin Fan, Peng Sun, Wei Zhou, Qingqing Li, Lipeng Yu, Guoyong Yin
PURPOSE: Clinical studies have shown that endplate Modic change in the cervical spine and intramedullary high signal intensity often occurs simultaneously. We aimed to investigate whether there is a correlation between Modic change and intramedullary high signal intensity, and to explore the possible risk factors. MATERIALS AND METHODS: In total, 133 patients with cervical spondylotic myelopathy treated at the First Affiliated Hospital of Nanjing Medical University between May 2009 and March 2013 were enrolled in the study...
April 7, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28394775/understanding-financial-statements-in-clinical-practice-a-primer
#3
Heeren S Makanji, Louis G Jenis
The purpose of this article is to describe the different types of financial statements and the information they contain regarding the current and long-term financial health of a business practice. These statements are essential to guiding strategic decision making for physicians and executives.
April 7, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28394774/the-impact-of-l5-sacralization-on-fusion-rates-and-clinical-outcomes-after-single-level-posterior-lumbar-interbody-fusion-plif-at-l4-l5-level
#4
Gun Woo Lee, Ji-Hoon Shin, Seung Min Ryu, Myun-Whan Ahn
STUDY DESIGN: Retrospective review of prospectively collected data. OBJECTIVE: To determine the impact of L5 sacralization on fusion rates and clinical outcomes after single-level posterior lumbar interbody fusion (PLIF) surgery at the L4-L5 level. SUMMARY OF BACKGROUND DATA: L5 sacralization can produce greater stress concentration at the adjacent segment (L4-L5); therefore, L4-L5 PLIF surgery in patients with L5 sacralization may negatively affect fusion rate and be associated with poor clinical outcomes...
April 7, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28368866/spinopelvic-parameters-in-asymptomatic-subjects-without-spine-disease-and-deformity-a-systematic-review-with-meta-analysis
#5
Andriy Noshchenko, Lilian Hoffecker, Christopher M J Cain, Vikas V Patel, Evalina L Burger
STUDY DESIGN: A systematic review with meta-analysis. OBJECTIVE: To combine published data, focusing on the development of optimal spinopelvic parameters in adult asymptomatic subjects without spine deformity while taking into consideration the impact of potential confounders. SUMMARY OF BACKGROUND DATA: A well-grounded approach to define the optimal spinopelvic parameters is necessary for planning surgical correction of spine deformity. MATERIALS: Selection criteria: (1) randomized and nonrandomized prospective, cross-sectional, and retrospective studies; (2) participants: asymptomatic subjects without spine deformity aged above 18 years; (3) studied parameters: lumbar lordosis (LL), pelvic incidence, sacral slope, and pelvic tilt; (4) potential confounders: method of measurement, sex, age, ethnicity, weight, height, and body mass index...
March 31, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28338492/the-evolution-of-current-research-impact-metrics-from-bibliometrics-to-altmetrics
#6
Joseph S Butler, I David Kaye, Arjun S Sebastian, Scott C Wagner, Patrick B Morrissey, Gregory D Schroeder, Christopher K Kepler, Alexander R Vaccaro
The prestige of publication has been based on traditional citation metrics, most commonly journal impact factor. However, the Internet has radically changed the speed, flow, and sharing of medical information. Furthermore, the explosion of social media, along with development of popular professional and scientific websites and blogs, has led to the need for alternative metrics, known as altmetrics, to quantify the wider impact of research. We explore the evolution of current research impact metrics and examine the evolving role of altmetrics in measuring the wider impact of research...
March 23, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28338491/perioperative-management-of-blood-loss-in-spine-surgery
#7
Rabia Qureshi, Varun Puvanesarajah, Amit Jain, Hamid Hassanzadeh
Spine procedures are associated with high rates of blood loss which can result in a greater need for transfusions. Repeated exposure to blood products is associated with risks and adverse reactions such as transfusion-related acute lung injury, fluid shifting, and infections. With the higher number of spine procedures and the increasing open surgery times associated with difficult procedures, excessive blood loss has become more prevalent. Perioperative methods have been established to combat the excessive blood loss and decrease the need for blood products...
March 23, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28319469/understanding-traditional-research-impact-metrics
#8
Joseph S Butler, Arjun S Sebastian, I David Kaye, Scott C Wagner, Patrick B Morrissey, Gregory D Schroeder, Christopher K Kepler, Alexander R Vaccaro
Traditionally, the success of a researcher has been judged by the number of publications he or she has published in peer-review, indexed, high impact journals. However, to quantify the impact of research in the wider scientific community, a number of traditional metrics have been used, including Impact Factor, SCImago Journal Rank, Eigenfactor Score, and Article Influence Score. This article attempts to provide a broad overview of the main traditional impact metrics that have been used to assess scholarly output and research impact...
March 17, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28319468/the-impact-of-cage-dimensions-positioning-and-side-of-approach-in-extreme-lateral-interbody-fusion
#9
Marjan Alimi, Gernot Lang, Rodrigo Navarro-Ramirez, Moritz Perrech, Connor Berlin, Christoph P Hofstetter, Yu Moriguchi, Eric Elowitz, Roger Härtl
STUDY DESIGN: This is a retrospective single-center study. OBJECTIVE: The aim of the study was to evaluate the impact of cage characteristics and position toward clinical and radiographic outcome measures in patients undergoing extreme lateral interbody fusion (ELIF). SUMMARY OF BACKGROUND DATA: ELIF is utilized for indirect decompression and minimally invasive surgical treatment for various degenerative spinal disorders. However, evidence regarding the influence of cage characteristics in patient outcome is minimal...
March 17, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28266959/morphometric-analysis-of-the-retroperitoneal-vessels-with-respect-to-lateral-access-surgery-in-adult-scoliosis
#10
Heeren S Makanji, Hai Le, Kirkham B Wood, Louis G Jenis, Thomas D Cha
STUDY DESIGN: Cross-sectional study reviewing 62 magnetic resonance imaging or computed tomography scans from consecutive adult patients with scoliotic spinal deformity in the thoracolumbar spine. OBJECTIVE: To investigate the variation in anatomic position of retroperitoneal vessels in relationship to curve direction, location, magnitude, and axial rotation of curves in adult scoliosis. SUMMARY OF BACKGROUND DATA: The minimally invasive lateral approach to the thoracolumbar spine avoids manipulation of abdominal and retroperitoneal structures and decreases risk of injury to paraspinal musculature...
March 6, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28266958/vancomycin-powder-regimen-for-prevention-of-surgical-site-infection-in-complex-spine-surgeries
#11
Michael Van Hal, Joon Lee, Dann Laudermilch, Chinedu Nwasike, James Kang
STUDY DESIGN: In total, 496 patients of a single surgeon cohort examining the surgical-site infection (SSI) rates with the addition of vancomycin powder in both diabetic and revision spine surgery cases. A historical control group of 652 patients were compared from the same surgeon over an earlier time period before the inception of using vancomycin powder prophylaxis. OBJECTIVE: The objective of this study was to describe and compare the rates of infection in high-risk patient populations while using vancomycin powder...
March 6, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28266957/complication-rate-in-minimally-invasive-revision-lumbar-discectomy-a-case-series-and-technical-note
#12
Daniel R Felbaum, Jeffrey J Stewart, Casey Distaso, Faheem A Sandhu
Revision lumbar discectomy, given the disruption of anatomic planes, can be a more technically complicated operation. Historically, it may have higher complication rates than first-time microdiscectomy. Recently, minimally invasive tubular discectomy (MITD) has been reported as an equivalent treatment to traditional approaches and may have better utility for revision surgery. A retrospective review of MITDs performed by the senior surgeon (F.A.S.) on 42 patients with single-level, recurrent disk herniation was analyzed...
March 6, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28266956/iatrogenic-flatback-and-flatback-syndrome-evaluation-management-and-prevention
#13
Barrett S Boody, Brett D Rosenthal, Tyler J Jenkins, Alpesh A Patel, Jason W Savage, Wellington K Hsu
Flatback syndrome can be a significant source of disability, affecting stance and gait, and resulting in significant pain. Although the historical instrumentation options for thoracolumbar fusion procedures have been commonly regarded as the etiology of iatrogenic flatback, inappropriate selection, or application of modern instrumentation can similarly produce flatback deformities. Patients initially compensate with increased lordosis at adjacent lumbar segments and reduction of thoracic kyphosis. As paraspinal musculature fatigues and discs degenerate, maintaining sagittal balance requires increasing pelvic retroversion and hip extension...
March 6, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28266955/clinical-outcomes-after-posterior-lumbar-interbody-fusion-comparison-of-cortical-bone-trajectory-and-conventional-pedicle-screw-insertion
#14
Shota Takenaka, Yoshihiro Mukai, Kosuke Tateishi, Noboru Hosono, Takeshi Fuji, Takashi Kaito
STUDY DESIGN: This study is a retrospective cohort study using prospectively collected data. OBJECTIVE: To compare the effectiveness of posterior lumbar interbody fusion (PLIF) using the cortical bone trajectory (CBT) and conventional pedicle screw (PS) techniques. SUMMARY OF BACKGROUND DATA: There are few published studies to date comparing PLIF using CBT technique with PLIF using the conventional PS technique. METHODS: We studied 119 consecutive patients who underwent single-level PLIF between 2010 and 2014 with a minimum 12-month follow-up...
March 6, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28244892/3d-navigation-guided-resection-of-giant-ventral-cervical-intradural-schwannoma-with-360-degree-stabilization
#15
Ibrahim Hussain, Rodrigo Navarro-Ramirez, Gernot Lang, Roger Härtl
Giant schwannomas are defined as intradural extramedullary tumors that span >2 vertebral body lengths. Although uncommon, these lesions can cause significant mass effect on the spinal cord and subsequent neurologic compromise. Gross total resection is the goal of operative intervention, however, is extremely challenging in cases where the tumor occupies a ventral, midline position within the lower cervical thecal sac. Using a representative case presentation, we describe an adult male with insidious progression of upper extremity radicular pain and paresthesias, found to have a ventral, solid/cystic C5-C7 giant schwannoma...
February 27, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28234778/narcotic-consumption-following-anterior-and-lateral-lumbar-interbody-fusion-procedures
#16
Daniel D Bohl, Ankur S Narain, Fady Y Hijji, Junyoung Ahn, Benjamin C Mayo, Dustin H Massel, William W Long, Krishna D Modi, Kern Singh
STUDY DESIGN/SETTING: This is a retrospective analysis of a prospectively maintained surgical registry. OBJECTIVE: To characterize postoperative narcotic consumption in patients undergoing either an anterior lumbar interbody fusion (ALIF) or a lateral lumbar interbody fusion (LLIF). BACKGROUND CONTEXT: There is substantial interest in evaluating the safety, efficacy, and outcomes following minimally invasive techniques for lumbar fusion procedures...
February 23, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28234777/the-safe-correction-angle-of-osteotomy-at-t12-and-l1-for-ankylosing-spondylitis-kyphosis-patients-with-2-level-osteotomy
#17
Chao Liu, Wen Yu, Guoquan Zheng, Yue Guo, Kai Song, Xiangyu Tang, Zheng Wang, Yan Wang, Yonggang Zhang
STUDY DESIGN: This is a retrospective clinical study. OBJECTIVE: To investigate the correction angle and safety of the spinal osteotomy at the T12 or L1 vertebra. SUMMARY OF BACKGROUND DATE: Monosegment subtraction osteotomy cannot effectively correct severe kyphosis in ankylosing spondylitis (AS), generally 2-level spinal osteotomy was taken for achieving expected correction. According to literature, the T12 or L1 were usually taken as the upper spinal osteotomy vertebra...
February 23, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28234776/radiographic-and-clinical-results-of-freehand-s2-alar-iliac-screw-placement-for-spinopelvic-fixation-an-analysis-of-45-consecutive-screws
#18
Young-Seop Park, Seung-Jae Hyun, Jong-Hwa Park, Ki-Jeong Kim, Tae-Ahn Jahng, Hyun-Jib Kim
STUDY DESIGN: This was a retrospective clinical case series. OBJECTIVE: The purpose of this study was to evaluate mid-term outcomes of S2 ala-iliac (S2AI) screw fixation in patients who underwent multilevel posterior spinal fusion surgery. SUMMARY OF BACKGROUND DATA: There have been few reports on radiographic and clinical outcomes in patients who underwent spinopelvic reconstruction surgery using S2AI screw installation. MATERIALS AND METHODS: Twenty-three patients were treated by a single spinal surgeon between September 2013 and June 2014 utilizing segmental instrumentation with pedicle and S2AI screw...
February 23, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28234774/patient-factors-contributing-to-prolonged-postoperative-length-of-stay-and-increased-rate-of-readmission-after-elective-posterior-cervical-fusion
#19
John I Shin, Jun S Kim, Jeremy Steinberger, John DiCapua, Samuel K Cho
STUDY DESIGN: This is retrospective study of prospectively collected data. OBJECTIVE: To identify patient factors that are independently associated with prolonged length of stay (LOS) and readmission after posterior cervical fusion (PCF) utilizing a large national database. SUMMARY OF BACKGROUND DATA: A number of studies have investigated the morbidity and mortality after PCF; however, little is known about the factors that are associated with prolonged LOS and readmission, both of which incur increased costs for patients and hospitals...
February 23, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28234773/initial-experience-with-real-time-continuous-physical-activity-monitoring-in-patients-undergoing-spine-surgery
#20
Justin K Scheer, Joshua Bakhsheshian, Malla K Keefe, Virginie Lafage, Shay Bess, Themistocles S Protopsaltis, Douglas C Burton, Robert A Hart, Christopher I Shaffrey, Frank Schwab, Justin S Smith, Zachary A Smith, Tyler R Koski, Christopher P Ames
STUDY DESIGN: Multicenter prospective pilot study. OBJECTIVE: To evaluate if continuous physical activity monitoring by a personal electronic 3-dimensional accelerometer device is feasible and can provide objective data that correlates with patient-reported outcomes following spine surgery. SUMMARY OF BACKGROUND DATA: Self-reported health-related quality-of-life (HRQOL) metrics are inherently limited by being very subjective, having a low frequency of data collection, and inconsistent follow-up...
February 23, 2017: Clinical Spine Surgery
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