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Degenerative Disk Disease

Anja Tschugg, Michael Diepers, Simone Steinert, Felix Michnacs, Sebastian Quirbach, Martin Strowitzki, Hans Jörg Meisel, Claudius Thomé
No abstract text is available yet for this article.
October 8, 2016: Neurosurgical Review
Peter T McCunniff, Hojun Yoo, Charles Yu, Navkirat S Bajwa, Jason O Toy, Uri M Ahn, Nicholas Ahn
This study examined the effect of bilateral and unilateral L5 pars defects on the degree of disk degeneration at the L5-S1 level in cadaveric specimens. An observational study was performed of 690 cadaveric specimens selected at random. These specimens represent individuals who died between 1893 and 1938. The study included 558 male and 132 female cadavers. Of the 120 specimens with L5 spondylolysis, 95 cases were bilateral and 25 were unilateral. The remaining 544 specimens were used as the control cohort...
September 29, 2016: Orthopedics
David C Noriega, Francisco Ardura, Ruben Hernández-Ramajo, Miguel Angel Martín-Ferrero, Israel Sánchez-Lite, Borja Toribio, Mercedes Alberca, Veronica García, José Maria Moraleda, Ana Sánchez, Javier García-Sancho
BACKGROUND: Degenerative disc disease often causes severe low-back pain, a public health problem with huge economic and life quality impact. Chronic cases often require surgery, which may lead to biomechanical problems and accelerated degeneration of the adjacent segments. Autologous mesenchymal stromal cells (MSC) treatments have shown feasibility, safety and strong indications of clinical efficacy. We present here a randomized, controlled trial using allogeneic MSC, which are logistically more convenient than autologous cells...
September 21, 2016: Transplantation
Reid Hoshide, Erica Feldman, Anisha Narayan, William Taylor
BACKGROUND: The natural, inflammatory repair processes of an injured intervertebral degenerative disc can propagate further injury and destruction. While there are many different treatment modalities of the pain related to degenerative disc disease, none are actually reparative in nature. Treatment strategies to repair a degenerative disc without inducing a destructive inflammatory milieu have been elusive.  PURPOSE: The purpose of this experiment is to discover the feasibility of reconstructing an injured intervertebral disc using an injected, inert polymer as the foundation for endogenous collagen growth...
2016: Curēus
Qian Chen, Lu Cao, Chong Bian, Hui-Ren Wang, Hong Lin, Xi-Lei Li, Yun-Qi Jiang, Jian Dong
STUDY DESIGN: A retrospective study. OBJECTIVE: This study aimed to analyze the relationships between degenerative spondylolisthesis in the fifth lumbar vertebra (L5-DS) and radiographic parameters and to further determine the radiographic predictors of the development of L5-DS. SUMMARY OF BACKGROUND DATA: Degenerative lumbar spondylolisthesis (DLS) is a common degenerative disease of the spine; however, the correlations between L5-DS and radiographic parameters remain controversial...
September 10, 2016: Clinical Spine Surgery
Nazan Canbulat, Tunc Oktenoglu, Yaprak Ataker, Mehdi Sasani, Omur Ercelen, Onder Cerezci, Tuncer Suzer, Ali Fahir Ozer
AIM: To evaluate the efficacy of the rehabilitation protocol on the patients with lumbar degenerative disk disease after posterior transpedicular dynamic stabilization (PTDS) surgery. MATERIAL AND METHODS: Patients (N:50) with single level lumbar degenerative disk disease were recruited for this study. Patients had PTDS surgery with hinged screws. A rehabilitation program was applied for all patients. Phase 1 was the preoperative evaluation phase. Phase 2 (active rest phase) was the first 6 weeks after surgery...
December 28, 2015: Turkish Neurosurgery
Łukasz Kubaszewski, Grzegorz Miękisiak, Andrzej Nowakowski, Celina Pezowicz, Grzegorz Bajor, Zdzisław Kiełbowicz, Wojciech Kinda, Magdalena Wojtków, Jacek Kaczmarczyk
OBJECTIVE: To assess feasibility and accuracy of a new insertion technique of S1 transpedicular screw. SUMMARY OF BACKGROUND DATA: Transpedicular stabilization in the first sacral vertebra (S1) is a technically demanding surgical procedure with inherent risk of loosening of the implant. A modification of the technique was recently proposed, along with the analytical verification which was performed based on the available literature. In the study, we performed radiological assessment of screws inserted into the S1 using the classical and modified techniques...
2016: Neurologia i Neurochirurgia Polska
Hamid Abbasi, Ali Abbasi
BACKGROUND: Minimally invasive direct thoracic interbody fusion (MIS-DTIF) is a new single surgeon procedure for fusion of the thoracic vertebrae below the scapula (T6/7) to the thoracolumbar junction. In this proof of concept study, we describe the surgical technique for MIS-DTIF and report our experience and the perioperative outcomes of the first four patients who underwent this procedure. STUDY DESIGN/SETTING: In this study we attempt to establish the safety and efficacy of MIS-DTIF...
2016: Curēus
Anja Tschugg, Michael Diepers, Steinert Simone, Felix Michnacs, Sebastian Quirbach, Martin Strowitzki, Hans Jörg Meisel, Claudius Thomé
NOVOCART(®) Disk plus, an autologous cell compound for autologous disk chondrocyte transplantation, was developed to reduce the degenerative sequel after lumbar disk surgery or to prophylactically avoid degeneration in adjacent disks, if present. The NDisc trial is an ongoing multi-center, randomized study with a sequential phase I study within the combined phase I/II trial with close monitoring of tolerability and safety. Twenty-four adult patients were randomized and treated with the investigational medicinal product NDisc plus or the carrier material only...
August 27, 2016: Neurosurgical Review
Rebecca J Crawford, Thomas Volken, Stephanie Valentin, Markus Melloh, James M Elliott
BACKGROUND: The spinal column including its vertebrae and disks has been well examined and extensively reported in relation to age-aggregated degeneration. In contrast, paravertebral muscles are poorly represented in describing normative degeneration. Increasing evidence points to the importance of paravertebral muscle quality in low back health, and their potential as a modifiable factor in low back pain (LBP). Studies examining normative decline of paravertebral muscles are needed to advance the field's etiological understanding...
2016: Scoliosis and Spinal Disorders
Yu Moriguchi, Marjan Alimi, Thamina Khair, George Manolarakis, Connor Berlin, Lawrence J Bonassar, Roger Härtl
STUDY DESIGN: Literature review. OBJECTIVE: Degenerative disk disease (DDD) has a negative impact on quality of life and is a major cause of morbidity worldwide. There has been a growing interest in the biological repair of DDD by both researchers and clinicians alike. To generate an overview of the recent progress in reparative strategies for the treatment of DDD highlighting their promises and limitations, a comprehensive review of the current literature was performed elucidating data from in vivo animal and clinical studies...
August 2016: Global Spine Journal
Gregory M Malham, Rhiannon M Parker, Carl M Blecher, Fiona Y Chow, Kevin A Seex
STUDY DESIGN: Retrospective analysis of prospectively collected registry data. OBJECTIVE: This study aimed to compare the clinical and radiologic outcomes between comparative cohorts of patients having anterior lumbar interbody fusion (ALIF) and patients having lateral lumbar interbody fusion (LLIF). METHODS: Ninety consecutive patients were treated by a single surgeon with either ALIF (n = 50) or LLIF (n = 40). Inclusion criteria were patients age 45 to 70 years with degenerative disk disease or grade 1 to 2 spondylolisthesis and single-level pathology from L1 to S1...
August 2016: Global Spine Journal
Arthur Robert Kurzbuch, Didier Recoules-Arche
Background Postoperative epidural fibrosis (PEF) localized around the exposed dura and nerve roots is a known radiologic entity seen after lumbar surgery. Although excessive PEF is associated with residual and new lumbar pain and radiculopathy, its role as the generator of the pain is still discussed. Various materials acting as an adhesion barrier have been tested. There is no undebated class I evidence that any one of them is suitable to reduce or avoid PEF and provide a better clinical outcome. In revision surgery, the dissection of epidural scar tissue is time consuming and related to an elevated risk of dural tear and nerve damage...
July 14, 2016: Journal of Neurological Surgery. Part A, Central European Neurosurgery
Robert A Hart, J Mason DePasse, Alan H Daniels
STUDY DESIGN: Spine surgeon survey. OBJECTIVE: The objective was to investigate the failure of widespread adoption of lumbar total disk replacement (L-TDR) in the United States. SUMMARY OF BACKGROUND DATA: L-TDR has been available for use in the United States since 2005. L-TDR has not gained wide acceptance as a treatment for degenerative disk disease despite substantial investments in product development and positive results in randomized controlled trials...
July 11, 2016: Clinical Spine Surgery
Robert Jackson, Darin Eric Johnson
INTRODUCTION: Studies suggest significant biomechanical and clinical differences exist between total disk replacement (TDR) and anterior cervical discectomy and fusion (ACDF) patients treated at multiple cervical levels. However, long-term results for treatment of multilevel cervical degenerative disc disease are lacking. Here we evaluate 7-year neurological and clinical outcomes of patients treated at 2 contiguous levels with TDR or ACDF. METHODS: Prospective, randomized, multicenter, controlled clinical trial...
August 2016: Neurosurgery
Kyle Loizos, Carlos Cela, Robert Marc, Gianluca Lazzi
Retinal prostheses systems are currently used to restore partial vision to patients blinded by degenerative diseases by electrically stimulating surviving retinal cells. To obtain likely maximum resolution, electrode size is minimised, allowing for a large quantity on an array and localised stimulation regions. Besides the small size leading to fabrication difficulties and higher electrochemical charge density, there are challenges associated with the number of drivers needed for a large electrode count as well as the strategies to deliver sufficient power to these drivers wirelessly...
June 2016: Healthcare Technology Letters
Gyu Yeul Ji, Chang Hyun Oh, Dong Ah Shin, Yoon Ha, Seong Yi, Keung Nyun Kim, Hyun Cheol Shin, Do Heum Yoon
STUDY DESIGN: Prospective study. OBJECTIVE: The purpose of this study was to compare the long-term clinical and radiologic outcomes of hybrid surgery (HS) and 2-level anterior cervical discectomy and fusion (2-ACDF) in patients with 2-level cervical disk disease. SUMMARY OF BACKGROUND DATA: In a previous study with a 2-year follow-up, HS was shown to be superior to 2-ACDF, with a better Neck Disability Index (NDI) score, less postoperative neck pain, faster C2-C7 range of motion (ROM) recovery, and less adjacent ROM increase...
June 28, 2016: Clinical Spine Surgery
John K Burkus, Randall F Dryer, Paul M Arnold, Kevin T Foley
STUDY DESIGN: A prospective study with historical controls. OBJECTIVES: To evaluate and compare the safety and effectiveness of recombinant human bone morphogenetic protein-2 (rhBMP-2) with allograft for anterior cervical discectomy and fusion (ACDF) in patients with symptomatic single-level cervical degenerative disk disease. SUMMARY OF BACKGROUND DATA: rhBMP-2 is an osteoinductive protein that has been shown to induce fusion when used as an implant with a suitable carrier in spine surgery...
June 27, 2016: Clinical Spine Surgery
Lubdha M Shah, Jeffrey S Ross
UNLABELLED: : Imaging is important in the evaluation of patients with degenerative disease and infectious processes. There are numerous conditions that can manifest as low back pain (LBP) or neck pain in a patient, and in many cases, the cause may be multifactorial. Clinical history and physical examination are key components in the evaluation of such patients; however, physical examination has variable sensitivity and specificity. Although studies have demonstrated that uncomplicated acute LBP and/or radiculopathy are self-limited conditions that do not warrant any imaging, neuroimaging can provide clear anatomic delineation of potential causes of the patient's clinical presentation...
September 2016: Neurosurgery
Lei Kuang, Yuqiao Chen, Bing Wang, Lei Li, Guohua Lü
STUDY DESIGN: Systematic review and meta-analysis. OBJECTIVE: To assess the safety and efficacy of cervical disk arthroplasty (CDA) compared with anterior cervical decompression and fusion (ACDF) for the treatment of 2-level cervical spondylopathy. SUMMARY OF BACKGROUND DATA: CDA has emerged as a potential alternative to ACDF in patients with cervical disk degeneration. But there are no published systematic reviews and meta-analyses comparing CDA with ACDF for the treatment of 2-level cervical spondylopathy...
June 10, 2016: Clin Spine Surg
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