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Interbody Bone Fusion

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https://www.readbyqxmd.com/read/28817158/characteristics-and-efficacy-of-a-new-3-dimensional-printed-mesh-structure-titanium-alloy-spacer-for-posterior-lumbar-interbody-fusion
#1
Sung-Soo Chung, Kyung-Joon Lee, Yoo-Beom Kwon, Kyung-Chung Kang
This study evaluated the characteristics of a newly developed 3-dimensional printed mesh structure titanium spacer and its efficacy for posterior lumbar interbody fusion. Posterior lumbar interbody fusion with this spacer was performed at 53 segments (40 patients; mean age, 64 years; range, 51-73 years). Data were collected prospectively. Radiographic characteristics were analyzed with changes in interbody height, instability of the segments, formation of bone bridges around the implants, and pseudarthrosis, as determined by dynamic radiographs and postoperative computed tomography scans...
August 17, 2017: Orthopedics
https://www.readbyqxmd.com/read/28815162/clinical-application-of-ceramics-in-anterior-cervical-discectomy-and-fusion-a-review-and-update
#2
REVIEW
Shayan Abdollah Zadegan, Aidin Abedi, Seyed Behnam Jazayeri, Hirbod Nasiri Bonaki, Alexander R Vaccaro, Vafa Rahimi-Movaghar
STUDY DESIGN: Narrative review. OBJECTIVES: Anterior cervical discectomy and fusion (ACDF) is a reliable procedure, commonly used for cervical degenerative disc disease. For interbody fusions, autograft was the gold standard for decades; however, limited availability and donor site morbidities have led to a constant search for new materials. Clinically, it has been shown that calcium phosphate ceramics, including hydroxyapatite (HA) and tricalcium phosphate (TCP), are effective as osteoconductive materials and bone grafts...
June 2017: Global Spine Journal
https://www.readbyqxmd.com/read/28808623/use-of-recombinant-human-bone-morphogenetic-protein-2-in-spine-surgery
#3
REVIEW
Marios Lykissas, Ioannis Gkiatas
Bone morphogenetic proteins are osteoinductive factors which have gained popularity in orthopaedic surgery and especially in spine surgery. The use of recombinant human bone morphogenetic protein-2 has been officially approved by the United States Food and Drug Administration only for single level anterior lumbar interbody fusion, nevertheless it is widely used by many surgeons with off-label indications. Despite advantages in bone formation, its use still remains a controversial issue and several complications have been described by authors who oppose their wide use...
July 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28800665/fusion-rates-of-intervertebral-polyetheretherketone-and-titanium-cages-without-bone-grafting-in-posterior-interbody-lumbar-fusion-surgery-for-degenerative-lumbar-instability
#4
Christof von Wrangel, Ali Karakoyun, Kaye-Marie Buchholz, Olaf Süss, Theodoros Kombos, Johannes Woitzik, Peter Vajkoczy, Marcus Czabanka
No abstract text is available yet for this article.
August 11, 2017: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/28797066/computationally-designed-lattices-with-tuned-properties-for-tissue-engineering-using-3d-printing
#5
Paul F Egan, Veronica C Gonella, Max Engensperger, Stephen J Ferguson, Kristina Shea
Tissue scaffolds provide structural support while facilitating tissue growth, but are challenging to design due to diverse property trade-offs. Here, a computational approach was developed for modeling scaffolds with lattice structures of eight different topologies and assessing properties relevant to bone tissue engineering applications. Evaluated properties include porosity, pore size, surface-volume ratio, elastic modulus, shear modulus, and permeability. Lattice topologies were generated by patterning beam-based unit cells, with design parameters for beam diameter and unit cell length...
2017: PloS One
https://www.readbyqxmd.com/read/28796062/usefulness-of-anterior-cervical-fusion-using-titanium-interbody-cage-for-treatment-of-cervical-degenerative-disease-with-preoperative-segmental-kyphosis
#6
Kunihiko Hosoi, Hitoshi Tonomura, Ryota Takatori, Masateru Nagae, Yasuo Mikami, Toru Osawa, Yuji Arai, Hiroyoshi Fujiwara, Toshikazu Kubo
Favorable bone fusion and clinical results have been reported for anterior cervical fusion (ACF) using titanium interbody cage (TIC). This method might induce postoperative subsidence and local kyphosis, but the relationship between radiological changes and preoperative local alignment is not known. The purpose of the present study is to investigate the impact of preoperative local alignment on the clinical and radiological outcomes of ACF using TIC.The study enrolled 36 patients (mean age 49.8 years) who underwent single-level ACF using TIC for cervical degenerative diseases...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28765799/fortifying-the-bone-implant-interface-part-1-an-in-vitro-evaluation-of-3d-printed-and-tps-porous-surfaces
#7
Regina F MacBarb, Derek P Lindsey, Chelsea S Bahney, Shane A Woods, Mark L Wolfe, Scott A Yerby
BACKGROUND: An aging society and concomitant rise in the incidence of impaired bone health have led to the need for advanced osteoconductive spinal implant surfaces that promote greater biological fixation (e.g. for interbody fusion cages, sacroiliac joint fusion implants, and artificial disc replacements). Additive manufacturing, i.e. 3D-printing, may improve bone integration by generating biomimetic spinal implant surfaces that mimic bone morphology. Such surfaces may foster an enhanced cellular response compared to traditional implant surfacing processes...
2017: International Journal of Spine Surgery
https://www.readbyqxmd.com/read/28751242/evaluation-of-a-peek-titanium-composite-interbody-spacer-in-an-ovine-lumbar-interbody-fusion-model-a-biomechanical-micro-computed-tomography-and-histologic-analyses
#8
Kirk C McGilvray, Erik I Waldorff, Jeremiah Easley, Howard B Seim, Nianli Zhang, Raymond J Linovitz, James T Ryaby, Christian M Puttlitz
BACKGROUND CONTEXT: The most commonly used materials used for interbody cages are titanium metal and polymer polyetheretherketone (PEEK). Both of these materials have demonstrated good biocompatibility. A major disadvantage associated with solid titanium cages is their radiopacity, limiting post-operative monitoring of spinal fusion via standard imaging modalities. However, PEEK is radiolucent, allowing for temporal assessment of the fusion mass by clinicians. On the other hand, PEEK is hydrophobic, which can limit bony in-growth...
July 24, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28746126/kirschner-wire-and-bone-cement-is-a-viable-alternative-to-reconstruction-of-large-iliac-bone-defects-after-strut-bone-graft-harvesting
#9
Shang-Won Yu, Chin-Hsien Wu, James Jih-Hsi Yeh, Cheng-Yo Yen, Ching-Hou Ma, Yuan-Kun Tu
STUDY DESIGN: A retrospective study. OBJECTIVE: To assess the safety and efficacy of iliac crest defect reconstruction using Kirschner wire (K-wire)/polymethylmethacrylate (PMMA) versus traditional autologous rib graft reconstruction. SUMMARY OF BACKGROUND DATA: The iliac crest has been the preferred donor site for strut bone graft for various spinal fusion surgeries. METHODS: Seventy-three patients (44 males and 29 females; average age: 57...
August 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28739516/endopelvic-approach-for-iliac-crest-bone-harvesting-technical-note
#10
S Le Pape, R Gauthe, L Du Pouget, O Gille, J-M Vital, M Ould-Slimane
BACKGROUND: The anterior approach to lumbar spine surgery has grown in popularity in the past few years; spinal fusion of the last two lumbar levels is often required. While there are alternatives to bone grafting available, including recombinant human bone morphogenetic protein 2 or bone substitutes, only cancellous autologous bone has all the required factors for bone growth. To avoid the use of bone substitutes, remote iliac crest bone harvesting remains the gold standard. However, this technique may lead to some unfavorable outcomes...
July 21, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28738852/tertiary-syphilis-in-the-lumbar-spine-a-case-report
#11
Yang Bai, Feng Niu, Lidi Liu, Hui Sha, Yimei Wang, Song Zhao
BACKGROUND: The incidence of tertiary syphilis involvement in the spinal column with destructive bone lesions is very rare. It is difficult to establish the correct diagnosis from radiographs and histological examination alone. Limited data are available on surgical treatment to tertiary syphilitic spinal lesions. In this article, we report a case of tertiary syphilis in the lumbar spine with osteolytic lesions causing cauda equina compression. CASE PRESENTATION: A 44-year-old man who suffered with low back pain for 6 months and progressive radiating pain at lower extremity for 1 week...
July 24, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28723757/comprehensive-comparing-percutaneous-endoscopic-lumbar-discectomy-with-posterior-lumbar-internal-fixation-for-treatment-of-adjacent-segment-lumbar-disc-prolapse-with-stable-retrolisthesis-a-retrospective-case-control-study
#12
COMPARATIVE STUDY
Yapeng Sun, Wei Zhang, Suhui Qie, Nan Zhang, Wenyuan Ding, Yong Shen
The study was to comprehensively compare the postoperative outcome and imaging parameter characters in a short/middle period between the percutaneous endoscopic lumbar discectomy (PELD) and the internal fixation of bone graft fusion (the most common form is posterior lumbar interbody fusion [PLIF]) for the treatment of adjacent segment lumbar disc prolapse with stable retrolisthesis after a previous lumbar internal fixation surgery.In this retrospective case-control study, we collected the medical records from 11 patients who received PELD operation (defined as PELD group) for and from 13 patients who received the internal fixation of bone graft fusion of lumbar posterior vertebral lamina decompression (defined as control group) for the treatment of the lumbar disc prolapse combined with stable retrolisthesis at Department of Spine Surgery, the Third Hospital of Hebei Medical University (Shijiazhuang, China) from May 2010 to December 2015...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28720994/early-migration-of-bone-graft-causing-sigmoid-colon-perforation-after-trans-foraminal-lumbar-interbody-fusion
#13
Bhavuk Garg, Amit Singla, Sahil Batra, Senthil Kumar
BACKGROUND: Tran foraminal lumbar interbody fusion (TLIF) is a well accepted and standard technique of achieving spinal fusion using pedicle screws, cage and bone graft. We are presenting here a case of L4-L5 lumbar canal stenosis managed with TLIF that presented with sigmoid colon perforation due to bone graft migration 4 days after surgery. CASE REPORT: A 35 years old female underwent open TLIF (from right side) with decompression for L4-L5 lumbar canal stenosis...
April 2017: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28720993/inserting-pedicle-screws-in-lumbar-spondylolisthesis-the-easy-bone-conserving-way
#14
Hitesh Lal, Lalit Kumar, Ramesh Kumar, Tankeshwar Boruah, Pankaj Kumar Jindal, Vinod Kumar Sabharwal
BACKGROUND: Pedicle screw fixation in high grade lumbar listhetic vertebral body has been nightmare for Orthopaedic and spine surgeons. This is because of abnormally positioned listhetic pedicles and non-visualization of pedicle in conventional image intensifier (C-Arm). This results into increased surgical time, more blood loss, radiation exposure and more chances of infection. To overcome this problem, we have devised a new Technique of putting of pedicle screw fixation in listhetic vertebrae...
April 2017: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28710043/minimally-invasive-computer-navigation-assisted-endoscopic-transforaminal-interbody-fusion-with-bilateral-decompression-via-a-unilateral-approach-initial-clinical-experience-at-one-year-follow-up
#15
Yaqing Zhang, Chuang Xu, Yue Zhou, Bo Huang
OBJECTIVE: The purpose of this study was to assess the feasibility of minimally invasive transforaminal lumbar interbody fusion (TLIF) and bilateral decompression via a unilateral approach that was performed with a novel working retractor with an endoscopic system for degenerative lumbar spondylolisthesis associated with spinal stenosis, to minimize surgical trauma without compromising the quality of the treatment outcome. METHODS: In this case series, the procedure was performed in 17 patients...
July 11, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28663402/radiation-reduction-of-minimally-invasive-transforaminal-lumbar-interbody-fusion-with-localisation-system-in-overweight-patients-practical-technique
#16
G Fan, Q Fu, J Zhang, H Zhang, X Gu, C Wang, G Gu, X Guan, Y Fan, S He
AIMS: Minimally invasive transforaminal lumbar interbody fusion (MITLIF) has been well validated in overweight and obese patients who are consequently subject to a higher radiation exposure. This prospective multicentre study aimed to investigate the efficacy of a novel lumbar localisation system for MITLIF in overweight patients. PATIENTS AND METHODS: The initial study group consisted of 175 patients. After excluding 49 patients for various reasons, 126 patients were divided into two groups...
July 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28658859/is-the-cage-an-additional-hardware-in-lumbar-interbody-fusion-for-low-grade-spondylolisthesis-a-prospective-study
#17
Ramachandran Govindasamy, Prince Solomon, Deepak Sugumar, James J Gnanadoss, Yuvaraja Murugan, Syed Najimudeen
INTRODUCTION: Lumbar interbody fusion has become the standard of care for the management of lumbar instability, where fusion is achieved using bone grafts, cages, etc. AIM: The aim of the study was to compare the outcomes of the interbody fusion using interbody cage technique and stand alone local bone graft technique. MATERIALS AND METHODS: A total of 30 patients, operated for single level instability with low grade lytic and degenerative spondylolisthesis of L4-5/L5-S1, were selected and grouped into two groups: Group I (stand alone grafts) and Group II (interbody cage and graft) based on computer generated random numbers...
May 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28650883/iliac-crest-bone-graft-a-minimally-invasive-harvesting-technique
#18
Gregory D Lopez, Fady Y Hijji, Ankur S Narain, Kelly H Yom, Kern Singh
Typical sources for graft material utilized in minimally invasive transforaminal lumbar interbody fusion include both autograft and allograft. Autograft is frequently utilized due to its theorized benefits in promoting fusion. During minimally invasive transforaminal lumbar interbody fusion, autograft is often obtained locally during the laminectomy and facetectomy. However, this locally obtained bone graft has exhibited questionable osteoconductive properties, often necessitating the addition of biologics to improve fusion rates...
June 23, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28637120/is-tutobone-an-efficient-alternative-to-other-implants-used-in-anterior-cervical-discectomy-and-fusion-surgeries
#19
Savithru Kumar Prakash, Nitin Mukerji, Fredrik Prem Nath
BACKGROUND: The graft site morbidity following iliac crest harvesting is significant. To overcome this, different bone substitutes like coral dowels, solvent dissolved bovine/human bone substitutes, and carbon fiber/titanium cages have been used. This study was undertaken to assess the postoperative radiological fusion rates and symptom relief in patients who had Tutobone used as an interbody spacer compared to autologous bone graft (ABG), cages, surgibone and coral dowels. METHODS: This was a retrospective, observational study...
March 6, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/28632565/neuroforaminal-bone-growth-following-minimally-invasive-transforaminal-lumbar-interbody-fusion-with-bmp-a-computed-tomographic-analysis
#20
Junyoung Ahn, Anton Y Jorgensen, Daniel D Bohl, Ehsan Tabaraee, Vincent J Rossi, Khaled Aboushaala, Kern Singh
STUDY DESIGN: Computed tomographic analysis. OBJECTIVE: To identify radiographic patterns of symptomatic neuroforaminal bone growth (NFB) in patients who have undergone a single-level minimally invasive transforaminal lumbar interbody fusion (MIS-TLIF) augmented with bone morphogenetic proteins (BMP) utilizing computed tomography (CT). SUMMARY OF BACKGROUND DATA: BMP induces osteoblast differentiation leading to new bone formation. The association of BMP utilization and heterotopic bone formation after an MIS-TLIF has been described...
July 2017: Clinical Spine Surgery
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