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Clinical Spine Surgery

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https://www.readbyqxmd.com/read/27930391/the-role-of-c2-c7-angle-in-the-development-of-dysphagia-after-anterior-and-posterior-cervical-spine-surgery
#1
Wei Tian, Jie Yu
STUDY DESIGN: This is a retrospective clinical study. OBJECTIVE: To analyze the relationship between cervical alignment and the development of dysphagia after anterior and posterior cervical (PC) spine surgery [anterior cervical discectomy and fusion (ACDF), cervical disk replacement (CDR), and PC]. SUMMARY OF BACKGROUND DATA: Dysphagia is a known complication of cervical surgery and may be prolonged or occasionally serious. A previous study showed dysphagia after occipitocervical fusion was caused by oropharyneal stenosis resulting from O-C2 (upper cervical lordosis) fixation in a flexed position...
December 7, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27906744/reliability-of-sagittal-spinopelvic-alignment-measurements-after-total-hip-arthroplasty
#2
Katri Pernaa, Matti Seppänen, Keijo Mäkelä, Mikhail Saltychev
STUDY DESIGN: This is a observational study. OBJECTIVE: To evaluate the reliability of measuring sagittal spinopelvic alignment after hip arthroplasty. SUMMARY OF BACKGROUND DATA: Pelvic incidence (PI), sacral slope (SS), pelvic tilt (PT), and lumbar lordosis (LL) are widely used in planning the treatment of people with spinal and hip disorders. Previously, these measures have proved reliable when hip heads are intact. Thus far, it is not known whether they are also reliable after total hip replacement...
November 30, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27906743/vertebral-body-hounsfield-units-are-associated-with-cage-subsidence-after-transforaminal-lumbar-interbody-fusion-with-unilateral-pedicle-screw-fixation
#3
Jie Mi, Kang Li, Xin Zhao, Chang-Qing Zhao, Hua Li, Jie Zhao
OBJECTIVE: To assess the association between Hounsfield units (HU) measurement and cage subsidence after lumbar interbody fusion. BACKGROUND: Transforaminal lumbar interbody fusion (TLIF) with unilateral fixation becomes a popular treatment modality for lumbar degenerative disease. Cage subsidence is a potentially devastating complication after lumbar interbody fusion with unilateral fixation. Recently, a new technique for assessing bone mineral density using HU values from computed tomography has been proposed...
November 30, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27906742/is-preexisting-cervical-disk-degeneration-a-prognostic-factor-in-whiplash-associated-disorders
#4
Nam-Su Chung, Chang-Hoon Jeon, Yu-Sang Lee, Jang-Ho Park, Han-Dong Lee
STUDY DESIGN: This is a retrospective control study. OBJECTIVE: We aimed to determine whether preexisting cervical disk degeneration is a prognostic factor in Whiplash-associated disorder (WAD). SUMMARY OF BACKGROUND DATA: WAD is a common injury of traffic accident and has a broad range of prognoses. Although numerous studies have investigated prognostic factors in WAD, few have evaluated the effect of preexisting disk degeneration. MATERIALS AND METHODS: This study involved 45 consecutive patients with grade I or II WAD having advanced disk degeneration (at least 1 disk of Miyazaki grade≥III on magnetic resonance imaging) and a control cohort of 52 patients with no or mild disk degeneration (all disks having Miyazaki grades≤II)...
November 30, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27906741/halo-vest-immobilization-in-elderly-odontoid-fracture-patients-evolution-in-treatment-modality-and-in-hospital-outcomes
#5
J Mason DePasse, Mark A Palumbo, Abdul-Kareem Ahmed, Charles A Adams, Alan H Daniels
STUDY DESIGN: Retrospective cohort study. OBJECTIVE: To evaluate the utilization and effectiveness of halo-vest (HV) immobilization for type II odontoid fractures from 2004 to 2014. SUMMARY OF BACKGROUND DATA: Controversy persists regarding the optimal treatment method for odontoid fractures in the elderly. Management options include immobilization in a cervical orthosis, HV immobilization, and operative intervention. Over the past decade, high mortality and morbidity rates have been reported following HV immobilization in this patient population...
November 30, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27906740/a-new-method-of-measuring-the-occipitocervical-angle-that-could-be-applied-as-an-intraoperative-indicator-during-occipitocervical-fusion
#6
Shingo Nagashima, Masateru Nagae, Yuji Arai, Hitoshi Tonomura, Ryota Takatori, Tsuyoshi Sukenari, Hiroyoshi Fujiwara, Koshiro Sawada, Yasuo Mikami, Toshikazu Kubo
STUDY DESIGN: A method for measuring occipitocervical angle. OBJECTIVE: To develop a new method of measurement for assessing the occipitocervical angle using intraoperative fluoroscopic imaging, and to examine its reliability. SUMMARY OF BACKGROUND DATA: To avoid postoperative complications following occipitocervical fusion, it is vital to obtain a suitable fusion angle between the occipital bone and the upper cervical spine. MATERIALS AND METHODS: The subjects were 30 cases with occipito-atlanto-axial lesions and 30 healthy volunteers...
November 30, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27906739/posterior-vertebral-column-resection-with-intraoperative-manual-retraction-for-the-treatment-of-posttubercular-kyphosis-in-upper-thoracic-spine-or-cervicothoracic-junction
#7
Yuqiao Chen, Guohua Lü, Bing Wang, Lei Li, Lei Kuang
STUDY DESIGN: This is a case-series. OBJECTIVE: To evaluate the clinical and radiologic outcomes of posterior vertebral column resection (PVCR) for treatment of posttubercular kyphosis in upper thoracic spine and cervicothoracic junction (CTJ). SUMMARY OF BACKGROUND DATA: Surgical management of severe posttubercular kyphosis in upper thoracic spine or CTJ is challenging. A new technique that combines PVCR and intraoperative manual traction in a single procedure, was developed to maximize the correction rate and minimize the risk of dural buckling and spinal cord injury...
November 30, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27906738/predictive-factors-for-postoperative-follow-up-which-patients-are-prone-to-loss-to-follow-up-after-spinal-surgery
#8
Kee-Yong Ha, Sang-Il Kim, Young-Hoon Kim, Young-Ho Kim, In-Soo Oh
STUDY DESIGN: Retrospective cohort study. OBJECTIVE: To find out the predictive factors for the failure to follow-up in patients who underwent spinal surgery. SUMMARY OF BACKGROUND DATA: Causes for loss to follow-up range from geographical accessibility to dissatisfaction with surgeons. There were few reports that investigated loss to follow-up after spinal surgery. METHODS: A total of 649 patients who underwent laminectomy and 193 patients who underwent L4-L5 fusion from August 2006 to August 2013 were enrolled in this retrospective study...
November 30, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27898451/the-effect-of-dynamic-versus-static-plating-systems-on-fusion-rates-and-complications-in-1-level-and-or-2-level-anterior-cervical-discectomy-and-fusion-a-systematic-review
#9
Gregory D Schroeder, Christopher K Kepler, Douglas A Hollern, Ricardo Rodrigues-Pinto, Mark F Kurd, Jefferson R Wilson, Mitchell G Maltenfort, Jonathan T Paul, Andrew N Fleischman, Kathryn Dwight, Paul W Millhouse, Alexander R Vaccaro
STUDY DESIGN: A systematic review. OBJECTIVE: To determine the effect of plate design on fusion rates in patients undergoing a 1- and 2-level anterior cervical discectomy and fusion (ACDF). METHODS: Articles published between January 1, 2002 and January 1, 2015 were systematically reviewed to determine the fusion rate of 1- and 2-level ACDFs using either a fully constrained or semiconstrained locking plate. Additional variables that were collected included the number of levels, the type of graft/cage used, the study design, the method for determining fusion, and complications...
November 28, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27875417/the-utility-of-routinely-obtaining-postoperative-laboratory-studies-following-a-minimally-invasive-transforaminal-lumbar-interbody-fusion
#10
Junyoung Ahn, Dustin H Massel, Benjamin C Mayo, Fady Y Hijji, Ankur S Narain, Khaled Aboushaala, Daniel D Bohl, Islam M Elboghdady, Jacob V DiBattista, Kern Singh
STUDY DESIGN: This is a retrospective analysis. OBJECTIVE: To test the hypothesis that there is limited utility in routinely obtaining postoperative laboratory values following minimally invasive transforaminal lumbar interbody fusion (MIS TLIF). BACKGROUND DATA: At many institutions, it is routine to obtain a complete blood count and basic metabolic profile (BMP) following a MIS TLIF. However, the utility of this practice has not been well characterized...
November 21, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27875416/comparison-of-structural-disease-burden-to-health-related-quality-of-life-scores-in-264-adult-spinal-deformity-patients-with-2-year-follow-up-novel-insights-into-drivers-of-disability
#11
Joshua Bakhsheshian, Justin K Scheer, Jeffrey L Gum, Lance Horner, Richard Hostin, Virginie Lafage, Shay Bess, Themistocles S Protopsaltis, Douglas C Burton, Malla Keefe, Robert A Hart, Gregory M Mundis, Christopher I Shaffrey, Frank Schwab, Justin S Smith, Christopher P Ames
STUDY DESIGN: This is a review of a prospective multicenter database. OBJECTIVE: To investigate the relationship between preoperative disability and sagittal deformity in patients with high Oswestry Disability Index (ODI) and no sagittal malalignment, or low ODI and high sagittal malalignment. SUMMARY OF BACKGROUND DATA: The relationship between ODI and sagittal malalignment varies between each adult spinal deformity (ASD) patient. METHODS: A prospective multicenter database of 365 patients with ASD undergoing surgical reconstruction was analyzed...
November 21, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27875415/a-posterior-oblique-approach-to-the-lumbar-disk-spaces-vertebral-bodies-and-lumbar-plexus-a-cadaveric-feasibility-study
#12
Alexander Spiessberger, Fabian Baumann, Martin Häusler, Frank Rühli, Javier Fandino, Carl Muroi
STUDY DESIGN: A laboratory cadaveric study. OBJECTIVE: We aimed to demonstrate the feasibility of a posterior oblique approach, sharing the same advantages as the transpsoas technique while minimizing the risk of lumbar plexus or psoas muscle injuries. SUMMARY OF BACKGROUND DATA: The transpsoas approach for interbody fusion and corpectomy offers advantages over posterior and anterior approaches. However, possible risks include traumatization of the psoas muscle or lumbar plexus...
November 21, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27875414/the-influence-of-histologic-subtype-in-predicting-survival-of-lung-cancer-patients-with-spinal-metastases
#13
Naresh Kumar, Kimberly-Anne Tan, Jiong Hao Tan, Aye S Zaw, Hwee Weng Dennis Hey, John Ruiz, Emily Stone
STUDY DESIGN: Retrospective analysis. SUMMARY OF BACKGROUND DATA: Recent advancements in systemic treatment of lung cancer have significantly improved the survival of patients with certain histolopathologic and molecular subtypes. Existing prognostic scores do not account for this and patients with lung cancer spinal metastases are grouped together as poor prognostic candidates, and consequently, some may be inappropriately denied palliative spine surgery. OBJECTIVE: The objective of the study was to study whether the expected survival in patients with lung cancer spinal metastases is affected by histolopathologic and molecular subtypes in the context of modern systemic therapy...
November 21, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27875413/obesity-as-a-risk-factor-for-low-back-pain-a-meta-analysis
#14
Ting-Ting Zhang, Zhen Liu, Ying-Li Liu, Jing-Jing Zhao, Dian-Wu Liu, Qing-Bao Tian
STUDY DESIGN: A meta-analysis. OBJECTIVE: To update the current knowledge about the association between overweight, obesity, and low back pain (LBP) risk, we conducted a meta-analysis of published cohort studies. SUMMARY OF BACKGROUND DATA: The association between obesity and LBP risk has been the research focus in the past decade. However, available data from studies on the association between obesity and LBP remains debatable. METHODS: An extensive English language literature retrieval regarding the association between overweight, obesity, and the risk of LBP incidence was conducted on PubMed and EMBASE databases through December 2015...
November 21, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27875412/preoperative-mental-health-is-not-predictive-of-patient-reported-outcomes-following-a-minimally-invasive-lumbar-discectomy
#15
Benjamin C Mayo, Dustin H Massel, Daniel D Bohl, William W Long, Krishna D Modi, Ankur S Narain, Fady Y Hijji, Gregory Lopez, Kern Singh
STUDY DESIGN: This is a retrospective cohort study. OBJECTIVE: To determine if preoperative mental health is associated with patient-reported outcomes (PROs) following a minimally invasive lumbar discectomy. SUMMARY OF BACKGROUND DATA: PROs are commonly used to quantify a patient's perceived health status. Recently, mental health has been theorized to directly affect patients' perception of their disability and pain after spine surgery. MATERIALS AND METHODS: A registry of patients who underwent a primary, single-level minimally invasive lumbar discectomy was reviewed...
November 21, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27875411/comparing-the-effectiveness-of-sagittal-balance-foraminal-stenosis-and-preoperative-cord-rotation-in-predicting-postoperative-c5-palsy
#16
Arunit J S Chugh, Douglas S Weinberg, Fernando Alonso, Jason D Eubanks
STUDY DESIGN: Retrospective cohort review. OBJECTIVE: To determine whether preoperative cord rotation is independently correlated with C5 palsy when analyzed alongside measures of sagittal balance and foraminal stenosis. SUMMARY OF BACKGROUND DATA: Postoperative C5 palsy is a well-documented complication of cervical procedures with a prevalence of 4%-8%. Recent studies have shown a correlation with preoperative spinal cord rotation. There have been few studies, however, that have examined the role of sagittal balance and foraminal stenosis in the development of C5 palsy...
November 21, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27841801/sagittal-vertical-axias-spinosacral-angle-spinopelvic-angle-and-t1-pelvic-angle-which-parameters-may-effectively-predict-the-quality-of-life-in-ankylosing-spondylitis-patients-with-thoracolumbar-kyphosis
#17
Yun-Peng Zhang, Bang-Ping Qian, Yong Qiu, Zhe Qu, Sai-Hu Mao, Jun Jiang, Ze-Zhang Zhu
STUDY DESIGN: This is a retrospective study. OBJECTIVE: To identify the relationship between global sagittal alignment and health-related quality of life (HRQoL) in ankylosing spondylitis (AS) patients with thoracolumbar kyphosis. SUMMARY OF BACKGROUND DATA: Little data are available on correlation between global sagittal alignment and HRQoL in AS. MATERIALS AND METHODS: A total of 107 AS patients were included in this study...
November 10, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27841800/a-novel-groove-entry-technique-for-inserting-thoracic-percutaneous-pedicle-screws
#18
Ken Ishii, Yuta Shiono, Haruki Funao, Kern Singh, Morio Matsumoto
STUDY DESIGN: Surgical technique. OBJECTIVE: To evaluate the efficacy of a novel groove-entry technique for thoracic percutaneous pedicle screw (PPS) insertion. SUMMARY OF BACKGROUND DATA: Minimally invasive spine stabilization (MISt) using posterior thoracolumbar instrumentation has many advantages over open procedures. Because of the variability among PPS entry points, the sloped cortex of the transverse process, and the narrow thoracic pedicle, thoracic PPS placement is technically challenging...
November 10, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27841799/a-retrospective-cohort-study-comparing-the-safety-and-efficacy-of-minimally-invasive-versus-open-surgical-techniques-in-the-treatment-of-spinal-metastases
#19
Tomohiro Hikata, Norihiro Isogai, Yuta Shiono, Haruki Funao, Eijiro Okada, Nobuyuki Fujita, Akio Iwanami, Kota Watanabe, Takashi Tsuji, Masaya Nakamura, Morio Matsumoto, Ken Ishii
STUDY DESIGN: A retrospective cohort study. OBJECTIVE: This study was conducted to assess the invasiveness, efficacy, and safety of minimally invasive spine stabilization (MISt) for metastatic spinal tumor patients with short life expectancy. SUMMARY OF BACKGROUND DATA: Conventional open surgery for metastatic spinal tumors has the disadvantages of significant blood loss, potential infection, damage to back muscles, and extended hospital stays...
November 10, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27831982/comparative-effectiveness-of-treatments-for-chronic-low-back-pain-a-multiple-treatment-comparison-analysis
#20
Jeffrey A Rihn, Kristen Radcliff, Daniel C Norvell, Robert Eastlack, Frank M Phillips, Daniel Berland, Ned Sherry, Mitchell Freedman, Alexander R Vaccaro
STUDY DESIGN: A systematic review and network meta-analysis. OBJECTIVE: To determine current treatment options of chronic low back pain (LBP) as defined by randomized controlled trials (RCTs) and to compare effectiveness of those treatments using a mixed-treatment comparison (MTC). SUMMARY OF BACKGROUND DATA: It is important to provide an evidence-based assessment of the treatment options that exist for LBP. METHODS: A systematic search of RCTs was conducted in MEDLINE and the Cochrane Collaboration Library from 1990 to 2014...
November 9, 2016: Clinical Spine Surgery
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