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https://www.readbyqxmd.com/read/28643127/preoperative-evaluation-of-left-common-iliac-vein-in-oblique-lateral-interbody-fusion-at-l5-s1
#1
Nam-Su Chung, Chang-Hoon Jeon, Han-Dong Lee, Heon-Ju Kweon
PURPOSE: Oblique lateral interbody fusion (OLIF) L5-S1 is essentially to perform an anterior lumbar interbody fusion (ALIF) in the lateral position. Because the surgical procedures are performed "obliquely" over the left common iliac vein (LCIV), ensuring that the vein is protected which is particularly important. We aimed to evaluate the configuration of LCIV and its risk of mobilization during anterior approach at L5-S1 segment. METHODS: This study involved 65 consecutive patients who underwent anterior lumbar fusion (ALIF, n = 39; OLIF, n = 26) at the L5-S1 segment...
June 22, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28622187/radiographic-and-clinical-outcomes-of-anterior-and-transforaminal-lumbar-interbody-fusions-a-systematic-review-and-meta-analysis-of-comparative-studies
#2
Remi M Ajiboye, Haddy Alas, Gina M Mosich, Akshay Sharma, Sina Pourtaheri
STUDY DESIGN: Systematic review and meta-analysis. OBJECTIVE: Compare the radiographic and clinical outcomes of anterior lumbar interbody fusion (ALIF) to transforaminal lumbar interbody fusion (TLIF). SUMMARY OF BACKGROUND DATA: ALIF and TLIF are 2 methods of achieving spinal arthrodesis. There are conflicting reports with no consensus on the optimal interbody technique to achieve successful radiographic and clinical outcomes. The goal of this systematic review and meta-analysis was to compare the radiographic and clinical outcomes of ALIF to TLIF...
June 15, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28602928/which-approach-is-advantageous-to-preventing-the-development-of-asd-a-comparative-analysis-of-3-different-lumbar-interbody-fusion-techniques-alif-llif-and-plif-in-l4-5-spondylolisthesis
#3
Chul-Woo Lee, Kang-Jun Yoon, Sang-Soo Ha
OBJECTIVE: The purpose of this study was to compare radiological and clinical outcomes in patients with L4-5 lumbar spondylolisthesis who have undergone either instrumented Anterior lumbar interbody fusion (ALIF), Lateral lumbar interbody fusion (LLIF), or Posterior Lumbar interbody fusion (PLIF), especially with regard to the development of Adjacent segment disease (ASD). METHODS: Eighty-two patients with preoperative L4-5 spondylolisthesis and minimal ASD who underwent instrumented L4-5 fusion were divided into three groups according to the surgical approach used for treatment (ALIF: 27 patients, LLIF: 24 patients, PLIF: 31 patients)...
June 8, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28598895/the-concurrent-use-of-lumbar-total-disc-arthroplasty-and-anterior-lumbar-interbody-fusion-the-lumbar-hybrid-procedure-for-the-treatment-of-multi-level-symptomatic-degenerative-disc-disease-a-prospective-study
#4
Matthew Scott-Young, Laurence McEntee, Ben Schram, Evelyne Rathbone, Wayne Hing, David Nielsen
STUDY DESIGN: A prospective study. OBJECTIVE: The aim of this paper is to evaluate clinical and patient outcomes post combined Total Disc Arthroplasty (TDA) and Anterior Lumbar Interbody Fusion (ALIF), known as hybrid surgery for the treatment of multi-level symptomatic degenerative disc disease (DDD). SUMMARY OF BACKGROUND DATA: Class I studies comparing the treatment of one level lumbar DDD with TDA and ALIF have confirmed the effectiveness of those treatments through clinical and patient outcomes...
June 8, 2017: Spine
https://www.readbyqxmd.com/read/28591074/different-fusion-approaches-for-single-level-lumbar-spondylolysis-have-similar-perioperative-outcomes
#5
Raj J Gala, Patawut Bovonratwet, Matthew L Webb, Arya G Varthi, Michael D Daubs, Jonathan N Grauer
STUDY DESIGN: Retrospective cohort study OBJECTIVE.: To compare perioperative adverse events for patients with lumbar spondylolysis treated with transforaminal lumbar interbody fusion (TLIF), posterior spinal fusion (PSF), combined anterior and posterior fusion (AP fusion), or anterior lumbar interbody fusion (ALIF). SUMMARY OF BACKGROUND DATA: Prior cohort studies have shown similar long-term outcomes for different surgical approaches for this indication, but potential differences in thirty day perioperative adverse events have not been well characterized...
June 6, 2017: Spine
https://www.readbyqxmd.com/read/28557450/does-synergism-in-microscopic-polarity-correlate-with-extrema-in-macroscopic-properties-for-aqueous-mixtures-of-dipolar-aprotic-solvents
#6
Alif Duereh, Yoshiyuki Sato, Richard Lee Smith, Hiroshi Inomata, Fabio Pichierri
Aqueous mixtures of dipolar aprotic solvents (acetonitrile, γ-valerolactone, γ-butyrolactone, tetrahydrofuran, 1,4-dioxane, acetone, pyridine, N-methyl-2-pyrrolidone, N,N-dimethylformamide, N,N-dimethylacetamide, and dimethyl sulfoxide) show synergism in microscopic polarity and extrema in macroscopic viscosity (η) and molar excess enthalpy (H(E)) in water-rich compositions that correlate with solvent functional group electrostatic basicity (β2(H)). Microscopic polarities of aqueous solvent mixtures were estimated by measuring the spectral shift (λmax) of 4-nitroaniline with UV-vis spectroscopy at 25 °C...
June 9, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28549000/a-comparison-of-anterior-and-posterior-lumbar-interbody-fusions-complications-readmissions-discharge-dispositions-and-costs
#7
Rabia Qureshi, Varun Puvanesarajah, Amit Jain, Adam L Shimer, Francis H Shen, Hamid Hassanzadeh
STUDY DESIGN: Retrospective Database Review OBJECTIVE.: To understand medical complication rates, readmission rates, costs and discharge dispositions in ALIFs versus TLIF/PLIFs for lumbar degenerative disease. SUMMARY OF BACKGROUND DATA: Indications for anterior (ALIFs) vs posterior lumbar interbody fusions (PLIFs) can vary, though benefits of anterior approach surgery include full access to the anterior column and ability to place fusion devices. METHODS: The PearlDiver Database of Medicare records was utilized for this retrospective database review...
May 25, 2017: Spine
https://www.readbyqxmd.com/read/28540127/learning-curves-for-minimally-invasive-spine-surgeries-are-they-worth-it
#8
EDITORIAL
Nancy E Epstein
BACKGROUND: Minimally invasive surgery (MIS) spine procedures were developed to limit operative time, the extent of dissection, and reduce perioperative morbidity. Here, we asked what are the "learning curves" for these MIS spine procedures? METHODS: We reviewed studies in the literature that discussed the "learning curves" attributed to performing different MIS spine surgical procedures. Of interest, the majority were single-surgeon series. RESULTS: Very few articles assessed the learning curves for different MIS spine procedures...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28532910/impact-of-elderly-age-on-complications-and-clinical-outcomes-following-anterior-lumbar-interbody-fusion-surgery
#9
Kevin Phan, Vignesh Ramachandran, Tommy Tran, Steven Phan, Prashanth J Rao, Ralph J Mobbs
BACKGROUND: Anterior Lumbar Interbody Fusion (ALIF) is a surgical technique used to treat patients with a variety of lumbar pathologies. Identification of risk factors leading to complication following ALIF surgery may allow surgeons to better judge candidacy and optimize care for high-risk patients. METHODS: A retrospective analysis was conducted on a prospectively collected database of 137 patients who all underwent ALIF surgery by a single primary spine surgeon...
May 19, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28507884/a-retrospective-analysis-of-complications-associated-with-bone-morphogenetic-protein-2-in-anterior-lumbar-interbody-fusion
#10
Kevork Hindoyan, Justin Tilan, Zorica Buser, Jeremiah R Cohen, Darrel S Brodke, Jim A Youssef, Jong-Beom Park, S Tim Yoon, Hans-Joerg Meisel, Jeffrey C Wang
STUDY DESIGN: Retrospective review. OBJECTIVE: The aim of our study was to quantify the frequency of complications associated with recombinant human bone morphogenetic protein 2 (rhBMP-2) use in anterior lumbar interbody fusion (ALIF). METHODS: The orthopedic subset of the Medicare database (PearlDiver) was queried for this retrospective cohort study using International Statistical Classification of Diseases 9 (ICD-9) and Current Procedure Terminology (CPT) codes for ALIF procedures with and without rhBMP-2 between 2005 and 2010...
April 2017: Global Spine Journal
https://www.readbyqxmd.com/read/28507883/risk-factors-for-medical-and-surgical-complications-following-single-level-alif
#11
Winward Choy, Nikki Barrington, Roxanna M Garcia, Robert B Kim, Heron Rodriguez, Sandi Lam, Nader Dahdaleh, Zachary A Smith
STUDY DESIGN: Retrospective cohort study. OBJECTIVE: The objective of the study was to determine rates of medical and surgical postoperative complications following anterior lumbar interbody fusion (ALIF) along with their associated predictors. METHODS: Using the American College of Surgeons National Surgical Quality Improvement database, patients who underwent single-level ALIF surgery from 2006 to 2013 were identified. The 30-day rate of postoperative medical and surgical complications along with associated risk factors were evaluated by multivariable logistic regression...
April 2017: Global Spine Journal
https://www.readbyqxmd.com/read/28502688/evaluating-outcomes-of-stand-alone-anterior-lumbar-interbody-fusion-a-systematic-review
#12
Gloria Giang, Ralph Mobbs, Steven Phan, Tommy Manh Tran, Kevin Phan
BACKGROUND: Stand-alone anterior lumbar interbody fusion (ALIF) is an effective surgical approach for selected spinal pathologies. It avoids the morbidity and complications associated with instrumented ALIF such as plate fixation and the traditionally used posterior approach. Despite improved disc space visualisation and clearance, the associated posterior instability and increased risk of non-fusion present major challenges to this approach. The integral cage design aims to address these challenges by providing the necessary stabilisation through intracorporeal screws...
May 11, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28460342/anterior-lumbar-interbody-fusion-with-percutaneous-pedicle-screw-fixation-for-multiple-level-isthmic-spondylolisthesis
#13
Chang-Sheng Hsieh, Hyung Chang Lee, Hyeong-Seok Oh, Sang-Joon Park, Byeong-Wook Hwang, Sang-Ho Lee
OBJECTIVE: Multiple-level lumbar isthmic spondylolisthesis is rarely reported. Here, we report 23 consecutive patients who underwent anterior lumbar interbody fusion (ALIF) with percutaneous pedicle screw fixation (PPF) for multiple-level isthmic spondylolisthesis. PATIENTS AND METHODS: From June 2008 through December 2014, multiple-level lumbar isthmic spondylolisthesis was diagnosed in 23 patients (6 men, 17 women) at Wooridul Spine Hospital (Busan, South Korea)...
April 13, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28457926/worker-s-compensation-status-and-outcomes-following-anterior-lumbar-interbody-fusion-alif-prospective-observational-study
#14
Kevin Phan, Simon Davies, Prashanth J Rao, Ralph J Mobbs
BACKGROUND: Anterior lumbar-interbody fusion (ALIF) is a common performed procedure for degenerative spinal disorders with reasonable clinical and safety outcomes, although there is limited evidence regarding the impact of ALIF in patients receiving worker's compensation (WC) compared to those without. The aim of our study is to identify whether WC status affects the clinical outcome and rates of complication following ALIF surgery in a prospective cohort. METHODS: 114 consecutive patients undergoing ALIF surgery from 2012-2014 were prospectively followed...
April 27, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28433838/outcome-of-anterior-lumbar-interbody-fusion-a-retrospective-study-of-clinical-and-radiological-parameters
#15
H Pinson, G Hallaert, P Herregodts, K Everaert, T Couvreur, J Caemaert, J P Kalala, D Van Roost
OBJECTIVE: This study aims to critically evaluate the long-term results of stand-alone anterior lumbar interbody fusion (ALIF), without use of rhBMP-2, as a therapeutic option for symptomatic patients with degenerative disc disease (DDD). Furthermore this study intends to identify predictive parameters for anterior lumbar interbody fusion outcome. METHODS: A retrospective cohort study with additional telephone interview to obtain missing data was performed. All patients who underwent a L4-L5 and/or L5-S1 ALIF-procedure in the period between 2006 and 2011 were identified...
April 19, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28426934/from-permeation-to-cluster-arrays-graphene-on-ir-111-exposed-to-carbon-vapor
#16
Charlotte Herbig, Timo Knispel, Sabina Simon, Ulrike A Schröder, Antonio J Martínez-Galera, Mohammad A Arman, Christian Teichert, Jan Knudsen, Arkady V Krasheninnikov, Thomas Michely
Our scanning tunneling microscopy and X-ray photoelectron spectroscopy experiments along with first-principles calculations uncover the rich phenomenology and enable a coherent understanding of carbon vapor interaction with graphene on Ir(111). At high temperatures, carbon vapor not only permeates to the metal surface but also densifies the graphene cover. Thereby, in addition to underlayer graphene growth, upon cool down also severe wrinkling of the densified graphene cover is observed. In contrast, at low temperatures the adsorbed carbon largely remains on top and self-organizes into a regular array of fullerene-like, thermally highly stable clusters that are covalently bonded to the underlying graphene sheet...
April 25, 2017: Nano Letters
https://www.readbyqxmd.com/read/28377862/arthrodesis-rate-and-patient-reported-outcomes-after-anterior-lumbar-interbody-fusion-utilizing-a-plasma-sprayed-titanium-coated-peek-interbody-implant-a-retrospective-observational-analysis
#17
Joseph A Sclafani, Sophea R Bergen, Miranda Staples, Kevin Liang, Ramin Raiszadeh
BACKGROUND: Anterior lumbar interbody fusion (ALIF) is utilized in symptomatic spinal disc destabilization due to degenerative lumbar disc disease, isthmic and degenerative spondylolisthesis, internal disc disruption, or pseudarthrosis after non-operative treatments fail. The addition of a plasma-sprayed titanium coating (PTC) to polyether ether ketone spacers (PEEK) may reduce the rate of implant subsidence or non-union secondary to poor osseous-integration of non-coated PEEK or metal interbody systems...
2017: International Journal of Spine Surgery
https://www.readbyqxmd.com/read/28341194/outcomes-of-open-staged-corrective-surgery-in-the-setting-of-adult-spinal-deformity
#18
Peter G Passias, Gregory W Poorman, Cyrus M Jalai, Breton Line, Bassel Diebo, Paul Park, Robert Hart, Douglas Burton, Frank Schwab, Virginie Lafage, Shay Bess, Thomas Errico
BACKGROUND CONTEXT: Adult spinal deformity (ASD) represents a constellation of complex mal-alignments affecting the spinal column. Corrective surgical procedures aimed at improving ASD can be equally challenging, and commonly require multiple index procedures and potential revisions prior to definitive management. There is a paucity of data comparing the outcomes of same-day (simultaneous) and two-day (staged) procedures for long spinal-fusions for ASD. Utilizing a large patient cohort with surgeon and patient-reported outcomes will be particularly useful in determining the utility and effect of staging long spine fusions for ASD...
March 21, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28315440/optimized-production-and-characterization-of-a-detergent-stable-protease-from-lysinibacillus-fusiformis-c250r
#19
Sondes Mechri, Mouna Kriaa, Mouna Ben Elhoul Berrouina, Maroua Omrane Benmrad, Nadia Zaraî Jaouadi, Hatem Rekik, Khelifa Bouacem, Amel Bouanane-Darenfed, Alif Chebbi, Sami Sayadi, Mohamed Chamkha, Samir Bejar, Bassem Jaouadi
In this study, we aimed to optimize the cultural and nutritional conditions for protease production by Lysinibacillus fusiformis strain C250R in submerged fermentation process using statistical methodology. The most significant factors (gruel, wheat bran, yeast extract, and FeSO4) were identified by Plackett-Burman design. Response surface methodology (RSM) was used to determine the optimum levels of the screened factors and their interaction. Under the optimized conditions, protease yield 3100U/mL was 4.5 folds higher than those obtained by the use of the initial conditions (680U/mL)...
August 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28303383/surgical-management-of-coronal-and-sagittal-imbalance-of-the-spine-without-pso-a-multicentric-cohort-study-on-compensated-adult-degenerative-deformities
#20
Alessandro Ramieri, Massimo Miscusi, Maurizio Domenicucci, Antonino Raco, Giuseppe Costanzo
PURPOSE: Sagittal imbalance of severe adult degenerative deformities requires surgical correction to improve pain, mobility and quality of life. Our aim was a harmonic and balanced spine, treating a series of adult degenerative thoracolumbar and lumbar kyphoscoliosis by a non posterior subtraction osteotomy technique. METHODS: We operated 22 painful thoracolumbar and lumbar compensated degenerative deformities by anterior (ALIF), extreme lateral (XLIF) and transforaminal (TLIF) interbody fusion and grade 2 osteotomy (SPO) to restore lumbar lordosis and mobilize the coronal curve...
March 16, 2017: European Spine Journal
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