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'Spinal surgery'

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April 2018: Journal of Trauma and Acute Care Surgery
Hiroshi Takahashi, Yasuchika Aoki, Arata Nakajima, Masato Sonobe, Fumiaki Terajima, Masahiko Saito, Takuya Miyamoto, Keita Koyama, Keiichiro Yamamoto, Takeo Furuya, Masao Koda, Seiji Ohtori, Masashi Yamazaki, Koichi Nakagawa
PURPOSE: To determine levels of biomarkers reflecting damage to axon, myelin, astrocytes, and neuron in cerebrospinal fluid (CSF) of patients with cervical compression myelopathy. METHODS: We collected 69 CSF samples from patients before spinal surgery for acutely worsening compression myelopathy (AM, 20), chronic compression myelopathy (CM, 20), and lumbar canal stenosis (LCS 29; control). We measured levels of phosphorylated neurofilament subunit H (pNF-H), tau (reflecting axonal damage), myelin basic protein (MBP) (reflecting demyelination), S100b (reflecting astrocyte damage), and neuron-specific enolase (NSE) (reflecting neuronal damage)...
March 19, 2018: European Spine Journal
M E Yaman, G Ergül, Y Güvenç, Y Öztürk, F K Erbay, T Tolunay, S Şentürk, C Kırçıl, G Bozkurt
Epidural fibrosis is a challenging topic in spinal surgery. Numerous clinical and experimental studies have been focused on this issue to clarify problems faced in spinal procedures for the patient as well as the surgeon and find out new methodologies. Dense cytokines and growth factors which are released from inflammatory cells have been suggested to play a major role in the inception and progression of fibrosis. One of the most investigated and important actor in epidural fibrosis is assumed to be the transforming growth factor-1β (TGF-1β) formation...
March 16, 2018: International Journal of Surgery
Hong-Fang Chen, Chang-Qing Zhao
Pelvic incidence has become one of the most important sagittal parameters in spinal surgery. Despite its great importance, pelvic incidence can vary from 33° to 85° in the normal population. The reasons for this great variability in pelvic incidence remain unexplored. The objective of this article is to present some possible interpretations for the great variability in pelvic incidence under both normal and pathological conditions and to further understand the determinants of pelvic incidence from the perspective of the functional requirements for bipedalism and genetic backgrounds via a literature review...
March 20, 2018: Journal of Orthopaedic Surgery and Research
Hector Soriano-Baron, Anna G U S Newcomb, Devika Malhotra, Atilio E Palma, Eduardo Martinez-Del-Campo, Neil R Crawford, Nicholas Theodore, Brian P Kelly, Taro Kaibara
OBJECTIVE: Recently developed expandable interbody spacers are widely accepted in spinal surgery; however, the resulting biomechanical effects of their use have not yet been fully studied. We analyzed the biomechanical effects of an expandable polyetheretherketone interbody spacer inserted through a bilateral posterior approach with and without different modalities of posterior augmentation. METHODS: Biomechanical nondestructive flexibility testing was performed in 7 human cadaveric lumbar (L2-L5) specimens followed by axial compressive loading...
March 13, 2018: World Neurosurgery
Francesca Salamanna, Simona Cepollaro, Deyanira Contartese, Gianluca Giavaresi, Giovanni Barbanti Brodano, Cristiana Griffoni, Alessandro Gasbarrini, Milena Fini
STUDY DESIGN: Laboratory study. OBJECTIVE: Mesenchymal stem cells (MSCs) derived from whole bone marrow aspirate (BMA) and MSCs derived from density-gradient centrifugation were isolated from vertebral bodies and cultured under either hypoxic or normoxic conditions to evaluate their biological characteristics and HOX and TALE signature able to improve spinal surgery procedures. SUMMARY OF BACKGROUND DATA: The use of spinal fusion procedures has increased over the last decades; however, failed fusion still remains an important problem...
March 15, 2018: Spine
P Stefan, M Pfandler, P Wucherer, S Habert, J Fürmetz, S Weidert, E Euler, U Eck, M Lazarovici, M Weigl, N Navab
Surgical simulators are being increasingly used as an attractive alternative to clinical training in addition to conventional animal models and human specimens. Typically, surgical simulation technology is designed for the purpose of teaching technical surgical skills (so-called task trainers). Simulator training in surgery is therefore in general limited to the individual training of the surgeon and disregards the participation of the rest of the surgical team. The objective of the project Assessment and Training of Medical Experts based on Objective Standards (ATMEOS) is to develop an immersive simulated operating room environment that enables the training and assessment of multidisciplinary surgical teams under various conditions...
March 15, 2018: Der Unfallchirurg
Jang W Yoon, Sara Ganaha, Clarence Watridge
BACKGROUND: Congenital agenesis of the inferior vena cava (IVC) can lead to the development of a prominent venous collateral system within and around the spine due to the development of venous collaterals. Surgery on such patients can harbor the risk of catastrophic bleeding or decompensation of a delicate venous drainage pattern during spinal manipulation or even epidural exploration. CASE DESCRIPTION: A 49-year old man with a congenital agenesis of the IVC presented with signs and symptoms of an L5 radiculopathy...
March 12, 2018: World Neurosurgery
Valerio Pace, Omar Farooqi, James Kennedy, Chang Park, Joseph Cowan
As a tertiary referral centre of spinal surgery, the Royal National Orthopaedic Hospital (RNOH) handles hundreds of spinal cases a year, often with complex pathology and complex care needs. Despite this, issues were raised at the RNOH following lack of sufficient documentation of preoperative and postoperative clinical findings in spinal patients undergoing major surgery. This is not in keeping with guidelines provided by the Royal College of Surgeons. The authors believe that a standardised clerking pro forma for surgical spinal patients admitted to RNOH would improve the quality of care provided...
March 14, 2018: Postgraduate Medical Journal
M Campos-Friz, U Hubbe
BACKGROUND: Complex spinal surgery in elderly patients mostly treats degenerative spine alterations. The use of multimodal intraoperative neuromonitoring (IONM) has proven to be a useful tool to recognize neural deterioration during such operations. Elderly patients often have preexisting neural impairment, which leads to difficulties in deriving some potentials or can even lead to not obtaining any potentials at all. PRACTICE AND PROSPECTS: For reliable benefits from IONM a combined use of monitoring and mapping methods as well as the right choice of methods according to the spine level to be treated and a definition of the neural structures in danger is needed...
March 13, 2018: Der Orthopäde
Dominik Baschera, Joachim Oberle, Florian Grubhofer, Samuel Luca Schmid
BACKGROUND AND STUDY AIMS:  Perioperative use of anticoagulant and platelet-inhibiting agents by patients undergoing spine surgery poses the dilemma of increased risk of hemorrhage. We examined the standards of use for these medications and expert opinions through a nationwide survey. MATERIALS AND METHODS:  An online-based survey was conducted by invitation. A personal token to access the survey was sent to one representative of each neurosurgical and orthopaedic unit performing spine surgery and to all other active members of the Swiss Society of Neurosurgery and the Swiss Society of Spinal Surgery...
March 9, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
Alexander Alamri, Aswin Chari, Gráinne McKenna, Ian Kamaly-Asl, Peter C Whitfield
Selection of junior doctors into the British neurosurgical training program and subsequent speciality training have undergone several key changes over the past decade. Shift patterns in the era of the European Working Time Directive (EWTD) have had a major impact on surgical training. We discuss the national selection process, formalization of surgical simulation training and the need to encompass generic professional capabilities within the neurosurgical curriculum in order to create the "well-rounded surgeon"...
March 8, 2018: Medical Teacher
Linton Evans, Jonathan D Olson, Yunliang Cai, Xiaoyao Fan, Keith D Paulsen, David W Roberts, Songbai Ji, S Scott Lollis
BACKGROUND: Current methods of spine registration for image guidance have a variety of limitations related to accuracy, efficiency, and cost. OBJECTIVE: To define the accuracy of stereovision-mediated co-registration of a spinal surgical field. METHODS: A total of 10 explanted porcine spines were used. Dorsal soft tissue was removed to a variable degree. Bone screw fiducials were placed in each spine and high-resolution computed tomography (CT) scanning performed...
March 6, 2018: Operative Neurosurgery (Hagerstown, Md.)
M Dosani, S Lucas, J Wong, L Weir, S Lomas, C Cumayas, C Fisher, S Tyldesley
Background: The Spinal Instability Neoplastic Score (sins) was developed to identify patients with spinal metastases who may benefit from surgical consultation. We aimed to assess the distribution of sins in a population-based cohort of patients undergoing palliative spine radiotherapy (rt) and referral rates to spinal surgery pre-rt. Secondary outcomes included referral to a spine surgeon post-rt, overall survival, maintenance of ambulation, need for re-intervention, and presence of spinal adverse events...
February 2018: Current Oncology
Selçuk Özdoğan, Cumhur Kaan Yaltırık, Ali Haluk Düzkalır, Nail Demirel, Mustafa Kaya, Başar Atalay
BACKGROUND The aim of this study was to draw attention to rare spinal infections in recurrent failed spinal surgeries. CASE REPORT A 59-year-old female was admitted to the hospital for back pain, which was assessed as a 9 on the visual analogue scale (VAS); the patient reported tiredness and night sweats. She had an operation for L3-4 far lateral disc herniation four years ago. Then another operation for L4-5 disc herniation six months ago and immediately three months later she has an operation with L3-4-5 fixation again...
March 6, 2018: American Journal of Case Reports
Chun-Kun Park, Kyeong-Sik Ryu
Since the launch of cervical total disc replacement (CTDR) in the early 2000s, many clinical studies have reported better outcomes of CTDR compared to those of anterior cervical discectomy and fusion. However, CTDR is still a new and innovative procedure with limited indications for clinical application in spinal surgery, particularly, for young patients presenting with soft disc herniation with radiculopathy and/or myelopathy. In addition, some controversial issues related to the assessment of clinical outcomes of CTDR remain unresolved...
February 2018: Asian Spine Journal
Lunli Xie, Jun Zhu, Shunhong Luo, Yu Xie, Dan Pu
We analyzed dose-dependent effects of vancomycin on wound infection bacteria and investigated the relationship between dose and microbial imbalances in patients treated with intrawound vancomycin powder during spine surgery. Numerous trials have confirmed that using intrawound vancomycin powder during spine surgery may decrease postoperative wound infection rates. However, potential risks include changes in wound infection bacteria, inhibition of bone fusion, and systemic toxicity. We searched PubMed for articles published since October 2016 with the following terms: "local vancomycin" or "intrawound vancomycin" or "intraoperative vancomycin" or "intrawound vancomycin" or "topical vancomycin" and "spinal surgery" or "spine surgery...
February 2018: Asian Spine Journal
Marko Tomov, Kevin Tou, Rose Winkel, Ross Puffer, Mohamad Bydon, Ahmad Nassr, Paul Huddleston, Michael Yaszemski, Bradford Currier, Brett Freedman
Study Design: Retrospective case-control study using prospectively collected data. Purpose: Evaluate the impact of liposomal bupivacaine (LB) on postoperative pain management and narcotic use following standardized single-level low lumbar transforaminal lumbar interbody fusion (TLIF). Overview of Literature: Poor pain control after surgery has been linked with decreased pain satisfaction and increased economic burden. Unfortunately, opioids have many limitations and side effects despite being the primary treatment of postoperative pain...
February 2018: Asian Spine Journal
Koopong Siribumrungwong, Chitpon Sinchai, Boonsin Tangtrakulwanich, Weera Chaiyamongkol
Study Design: A descriptive experimental study. Purpose: The purpose of this study was to describe the reliability and accuracy of palpable anterior neck landmarks (angle of the mandible, hyoid bone, thyroid cartilage, and cricoid cartilage) for the identification of cervical spinal levels in a slight neck-extended position as in anterior approach cervical spinal surgery. Overview of Literature: Standard, palpable anatomical landmarks for the identification of cervical spinal levels were described by Hoppenfeld using the midline palpable anterior structures (angle of the mandible [C2 body], hyoid bone [C3 body], thyroid cartilage [C4-C5 disc], cricoid cartilage [C6 body], and carotid tubercle [C6 body]) to determine the approximate level for skin incisions...
February 2018: Asian Spine Journal
Matthew E Oetgen
Evidence-based medicine (EBM) is a process of decision-making aimed at making the best clinical decisions as they relate to patients' health. The current use of EBM in pediatric spine surgery is varied, based mainly on the availability of high-quality data. The use of EBM is limited in idiopathic scoliosis, whereas EBM has been used to investigate the treatment of pediatric spondylolysis. Studies on early onset scoliosis are of low quality, making EBM difficult in this condition. Future focus and commitment to study quality in pediatric spinal surgery will likely increase the role of EBM in these conditions...
April 2018: Orthopedic Clinics of North America
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