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https://www.readbyqxmd.com/read/27908277/comparison-of-unilateral-and-bilateral-percutaneous-vertebroplasty-for-osteoporotic-vertebral-compression-fractures-a-systematic-review-and-meta-analysis
#1
Haolin Sun, Chunde Li
BACKGROUND: The aim of this meta-analysis is to examine the safety and effectiveness of unilateral percutaneous vertebroplasty (PVP) for treatment of osteoporotic vertebral compression fractures (OVCFs) compared with that of bilateral treatment. METHODS: The multiple databases including PubMed, Springer, EMBASE, OVID, and China Journal Full-text Database were adopted to search for relevant studies in English or Chinese, and full-text articles involving comparison of unilateral and bilateral PVP surgery were reviewed...
December 1, 2016: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/27906947/a-longitudinal-cohort-investigation-of-the-development-of-symptomatic-adjacent-level-compression-fractures-following-balloon-assisted-kyphoplasty-in-a-series-of-726-patients
#2
Christopher P Deibert, Gurpreet S Gandhoke, Erin E Paschel, Peter C Gerszten
BACKGROUND: Balloon-assisted kyphoplasty (BAK) is a well-accepted treatment for symptomatic vertebral compression fractures (VCF) secondary to osteoporosis. Some have raised a concern of an increased incidence of adjacent fractures due to alterations in spine biomechanics after cement augmentation. The incidence of subsequent VCFs following BAK is poorly understood. The aim of this study was to investigate the timing, location, and incidence of new VCFs following BAK and to identify risk factors associated specifically with the occurrence of new adjacent level fractures...
November 2016: Pain Physician
https://www.readbyqxmd.com/read/27906938/technical-strategies-and-anatomic-considerations-for-an-extrapedicular-modified-inferior-endplate-access-to-thoracic-and-lumbar-vertebral-bodies
#3
Douglas P Beall, Blake Parsons, Scott Burner
BACKGROUND: Percutaneous access to the vertebral bodies is commonly done via the transpedicular approach for both diagnoses and treatment of spinal pathology. While this approach is effective in most cases, it is difficult in certain situations such as a patient with obstructing hardware from prior surgery. OBJECTIVES: To investigate and illustrate an alternative to the typical percutaneous access to the vertebral body via an extrapedicular approach and to determine the complications associated with this approach...
November 2016: Pain Physician
https://www.readbyqxmd.com/read/27904217/percutaneous-vertebroplasty-guided-by-preoperative-computed-tomography-measurements
#4
Zhongbao Tan, Zhenhai Di, Xuequn Mao, Jian Zhang, Rong Zou, Qingqing Wang
BACKGROUND: Percutaneous vertebroplasty (PVP) is now widely performed to treat painful vertebral compression fractures. Previous researches have reported numerous advantages. However, it rarely reported that how to determine the feasibility of the unilateral or bilateral approach and how to decide the puncture angle, the skin insertion site before the procedure. The aim of this study was to discuss the feasibility of PVP using unilateral pedicular approach by the three-dimensional positioning of computed tomography (CT) image...
November 2016: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/27902591/a-novel-indication-for-a-method-in-the-treatment-of-lumbar-tuberculosis-through-minimally-invasive-extreme-lateral-interbody-fusion-xlif-in-combination-with-percutaneous-pedicle-screws-fixation-in-an-elderly-patient-a-case-report
#5
Qiyou Wang, Yichun Xu, Ruiqiang Chen, Jianwen Dong, Bin Liu, Limin Rong
RATIONALE: To describe a novel indication for a method through minimally invasive extreme lateral interbody fusion (XLIF) in combination with percutaneous pedicle screwsfixation in the treatment of lumbar tuberculosis (TB) in an elderly patient, and its clinical efficacy and feasibility. Lumbar TB is a destructive form of TB. Antituberculous treatment should be started as early as possible. In some circumstances, however, surgical debridement with or without stabilization of the spine appears to be beneficial and may be recommended...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27891670/biomechanical-behavior-of-novel-composite-pmma-cap-bone-cements-in-an-anatomically-accurate-cadaveric-vertebroplasty-model
#6
Shant Aghyarian, Xiaobang Hu, Ram Haddas, Isador H Lieberman, Victor Kosmopoulos, Harry K W Kim, Danieli C Rodrigues
Vertebral compression fractures are caused by many factors including trauma and osteoporosis. Osteoporosis induced fractures are a result of loss in bone mass and quality that weaken the vertebral body. Vertebroplasty and kyphoplasty, involving cement augmentation of fractured vertebrae, show promise in restoring vertebral mechanical properties. Some complications however, are reported due to the performance characteristics of commercially available bone cements. In this study, the biomechanical performance characteristics of two novel composite (PMMA-CaP) bone cements were studied using an anatomically accurate human cadaveric vertebroplasty model...
November 27, 2016: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/27871820/enhanced-bone-formation-in-sheep-vertebral-bodies-after-minimally-invasive-treatment-with-a-novel-plga-fiber-reinforced-brushite-cement
#7
Stefan Maenz, Olaf Brinkmann, Elke Kunisch, Victoria Horbert, Francesca Gunnella, Sabine Bischoff, Harald Schubert, Andre Sachse, Long Xin, Jens Günster, Bernhard Illerhaus, Klaus D Jandt, Jörg Bossert, Raimund W Kinne, Matthias Bungartz
BACKGROUND: Injectable, brushite-forming calcium phosphate cements (CPC) show potential for bone replacement, but they exhibit low mechanical strength. This study tested a CPC reinforced with poly (l-lactide-co-glycolide) acid (PLGA) fibers in a minimally-invasive, sheep lumbar vertebroplasty model. PURPOSE: To test the in vivo biocompatibility and osteogenic potential of a PLGA fiber-reinforced, brushite-forming CPC in a sheep large animal model. STUDY DESIGN/SETTING: Prospective experimental animal study METHODS: Bone defects (diameter 5 mm) were placed in aged, osteopenic female sheep and left empty (L2) or injected with pure CPC (L3) or PLGA-fiber-reinforced CPC (L4; fiber diameter 25 µm; length 1 mm; 10% (w/w))...
November 15, 2016: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/27857921/appropriate-cement-volume-in-vertebroplasty-a-multivariate-analysis-with-short-term-follow-up
#8
Hyun Mook Kwon, Sang Pyung Lee, Jin Wook Baek, Seong Hwan Kim
OBJECTIVE: The optimal threshold of the infusion volume of cement has been a continuous subject in percutaneous vertebroplasty (PVP). This study verifies a causal relationship between the cement volume and the clinical outcome, and suggests the parameters of the appropriate volume of cement in PVP. METHODS: This is a retrospective study. One hundred nine patients, who underwent PVP between 2012 and 2015, were included in the study. Various factors such as patients' fracture levels, fracture types, fracture body volumes, fracture rates, bone mineral densities, and infused cement volumes were analyzed...
October 2016: Korean Journal of Neurotrauma
https://www.readbyqxmd.com/read/27844306/biocompatibility-of-calcium-phosphate-bone-cement-with-optimised-mechanical-properties-an-in-vivo-study
#9
Iwan Palmer, John Nelson, Wolfgang Schatton, Nicholas J Dunne, Fraser Buchanan, Susan A Clarke
This work establishes the in vivo performance of modified calcium phosphate bone cements for vertebroplasty of spinal fractures using a lapine model. A non-modified calcium phosphate bone cement and collagen-calcium phosphate bone cements composites with enhanced mechanical properties, utilising either bovine collagen or collagen from a marine sponge, were compared to a commercial poly(methyl methacrylate) cement. Conical cement samples (8 mm height × 4 mm base diameter) were press-fit into distal femoral condyle defects in New Zealand White rabbits and assessed after 5 and 10 weeks...
December 2016: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/27831489/increased-sagittal-vertical-axis-is-associated-with-less-effective-control-of-acute-pain-following-vertebroplasty
#10
Y-C Kim, D H Bok, H-G Chang, S W Kim, M S Park, J K Oh, J Kim, T-H Kim
OBJECTIVES: Although vertebroplasty is very effective for relieving acute pain from an osteoporotic vertebral compression fracture, not all patients who undergo vertebroplasty receive the same degree of benefit from the procedure. In order to identify the ideal candidate for vertebroplasty, pre-operative prognostic demographic or clinico-radiological factors need to be identified. The objective of this study was to identify the pre-operative prognostic factors related to the effect of vertebroplasty on acute pain control using a cohort of surgically and non-surgically managed patients...
November 2016: Bone & Joint Research
https://www.readbyqxmd.com/read/27816708/minimally-invasive-pedicle-screw-fixation-combined-with-percutaneous-vertebroplasty-for-the-treatment-of-thoracolumbar-burst-fracture
#11
Chunbo Li, Jianfeng Pan, Yutong Gu, Jian Dong
INTRODUCTION: To evaluate the feasibility, efficacy and safety of minimally invasive pedicle screw fixation (MIPS) combined with percutaneous vertebroplasty (PVP) using calcium phosphate for the treatment of thoracolumbar burst fracture without neurologic deficits. METHODS: Between September 2011 and April 2013, a total of thirty-seven patients with a mean age of 50.73 years (range 40-63 years), who suffered from thoracic or lumbar burst fracture without neurologic deficits underwent the procedure of MIPS combined with PVP using calcium phosphate...
November 3, 2016: International Journal of Surgery
https://www.readbyqxmd.com/read/27812782/risk-prediction-of-new-adjacent-vertebral-fractures-after-pvp-for-patients-with-vertebral-compression-fractures-development-of-a-prediction-model
#12
Bin-Yan Zhong, Shi-Cheng He, Hai-Dong Zhu, Chun-Gen Wu, Wen Fang, Li Chen, Jin-He Guo, Gang Deng, Guang-Yu Zhu, Gao-Jun Teng
PURPOSE: We aim to determine the predictors of new adjacent vertebral fractures (AVCFs) after percutaneous vertebroplasty (PVP) in patients with osteoporotic vertebral compression fractures (OVCFs) and to construct a risk prediction score to estimate a 2-year new AVCF risk-by-risk factor condition. MATERIALS AND METHODS: Patients with OVCFs who underwent their first PVP between December 2006 and December 2013 at Hospital A (training cohort) and Hospital B (validation cohort) were included in this study...
November 3, 2016: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/27812530/modification-of-mechanical-properties-polymerization-temperature-and-handling-time-of-polymethylmethacrylate-cement-for-enhancing-applicability-in-vertebroplasty
#13
Ching-Lung Tai, Po-Liang Lai, Wei-De Lin, Tsung-Tin Tsai, Yen-Chen Lee, Mu-Yi Liu, Lih-Huei Chen
Polymethylmethacrylate (PMMA) bone cement is a popular bone void filler for vertebroplasty. However, the use of PMMA has some drawbacks, including the material's excessive stiffness, exothermic polymerization, and short handling time. This study aimed to create an ideal modified bone cement to solve the above-mentioned problems. Modified bone cements were prepared by combining PMMA with three different volume fractions of castor oil (5%, 10%, and 15%). The peak polymerization temperatures, times to achieve the peak polymerization temperature, porosities, densities, modulus and maximum compression strengths of standard (without castor oil), and modified cements were investigated following storage at ambient temperature (22°C) or under precooling conditions (3°C)...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27799375/analysis-of-vertebral-augmentation-practice-patterns-a-2016-update
#14
Joshua A Hirsch, Ronil V Chandra, Vidsysagar Pampati, John D Barr, Allan L Brook, Laxmaiah Manchikanti
OBJECTIVE: To evaluate procedure utilization patterns for vertebroplasty and kyphoplasty in the US Medicare population from 2004 to 2014. METHODS: The analysis was performed using the Centers for Medicare and Medicaid Services database of specialty utilization files for the fee for service (FFS) Medicare population. RESULTS: The FFS Medicare population increased by 28% with an annual increase of 2.5% from 2004 to 2014. Utilization of vertebroplasty procedures decreased by 63% with an average annual decrease of 9...
October 31, 2016: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/27795998/a-classification-system-for-the-spread-of-polymethyl-methacrylate-in-vertebral-bodies-treated-with-vertebral-augmentation
#15
Joseph Frankl, Michael P Sakata, Gagandeep Choudhary, Seung Hur, Andrew Peterson, Charles T Hennemeyer
In this study, we develop a classification system for describing polymethyl methacrylate (PMMA) spread in vertebral bodies after kyphoplasty or vertebroplasty for vertebral compression fractures (VCFs) and for assessing whether PMMA spread varies between operators, VCF etiology, or vertebral level. Intraoperative fluoroscopic images of 198 vertebral levels were reviewed in 137 patients (women, 84; men, 53; mean age, 75.8 ± 12.5; and those with a diagnosis of osteoporosis, 63%) treated with kyphoplasty between January 01, 2015 and May 31, 2015 at a single center to create a 5-class descriptive system...
September 2016: Tomography: a Journal for Imaging Research
https://www.readbyqxmd.com/read/27793526/comparison-of-effectiveness-of-kyphoplasty-and-vertebroplasty-in-patients-with-osteoporotic-vertebra-fractures
#16
Ahmet Ateş, Halil Can Gemalmaz, Mehmet Ali Deveci, Sezai Aykın Şimşek, Engin Çetin, Alpaslan Şenköylü
OBJECTIVE: The aim of this study was to compare the functional and radiological outcomes of vertebroplasty and kyphoplasty in patients with osteoporotic vertebra fractures. METHODS: The files of the patients who underwent vertebroplasty or kyphoplasty for osteoporotic vertebrae fractures were retrieved from the archives. Forty-three patients with complete follow-up data were included in the study group. The patients were evaluated for radiological outcomes in terms of local kyphosis angle, wedging index, compression ratio, visual analog pain scale (VAS) and Oswestry Disability Index (ODI)...
October 25, 2016: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/27790314/percutaneous-selective-vertebroplasty-state-of-the-art-management-in-well-confined-metastatic-vertebral-lesions
#17
Hossam Elnoamany
STUDY DESIGN: Prospective cohort study. PURPOSE: To evaluate the clinical and radiological results of percutaneous selective vertebroplasty (PSV) as first-line treatment options in the setting of well-confined spinal metastases. OVERVIEW OF LITERATURE: Recent technological advances combined with innovative interventional techniques enable an alternative less invasive treatment option for many patients with malignant vertebral body infiltration...
October 2016: Asian Spine Journal
https://www.readbyqxmd.com/read/27789794/exploring-the-unexpected-influence-of-the-si-ge-ratio-on-the-molecular-architecture-and-mechanical-properties-of-al-free-gics
#18
Brett Dickey, Richard Price, Daniel Boyd
Germanium (Ge)-based glass ionomer cements have demonstrated the ability to balance strength with extended setting times, a unique set of characteristics for aluminum-free glass ionomer cements. However, the mechanical properties of current Ge-based glass ionomer cements significantly deteriorate over time, which jeopardizes their clinical potential. This work explores the effect of incrementally decreasing the Si:Ge ratio in the glass phase of zinc-silicate glass ionomer cements to identify potential mechanisms responsible for the time-induced mechanical instability of Ge-based glass ionomer cements...
November 2016: Journal of Biomaterials Applications
https://www.readbyqxmd.com/read/27767681/percutaneous-transoral-clivoplasty-and-upper-cervical-vertebroplasties-for-multifocal-skeletal-lymphangiomatosis-resulting-in-complete-resolution-of-pain-case-report
#19
Christina Huang Wright, Dorian Kusyk, William S Rosenberg, Jennifer A Sweet
Lymphangiomatosis is a rare congenital disorder that results in multiorgan system lymphatic invasion. Symptoms due to axial skeletal involvement can range from chronic bone pain to severe deformity resulting in radiculopathy, myelopathy, and even paralysis. The authors present a case of lymphangiomatosis of the clivus, C-1, and C-2, resulting in chronic pain. The patient was successfully treated with percutaneous transoral clivoplasty and vertebroplasty, without disease progression or return of symptoms at 2 years...
October 21, 2016: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/27766261/extrapedicular-infiltration-anesthesia-as-an-improved-method-of-local-anesthesia-for-unipedicular-percutaneous-vertebroplasty-or-percutaneous-kyphoplasty
#20
Liehua Liu, Shiming Cheng, Rui Lu, Qiang Zhou
Aim. This report introduces extrapedicular infiltration anesthesia as an improved method of local anesthesia for unipedicular percutaneous vertebroplasty or percutaneous kyphoplasty. Method. From March 2015 to March 2016, 44 patients (11 males and 33 females) with osteoporotic vertebral compression fractures with a mean age of 71.4 ± 8.8 years (range: 60 to 89) received percutaneous vertebroplasty or percutaneous kyphoplasty. 24 patients were managed with conventional local infiltration anesthesia (CLIA) and 20 patients with both CLIA and extrapedicular infiltration anesthesia (EPIA)...
2016: BioMed Research International
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