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Journal of Spinal Disorders & Techniques

Andre M Samuel, Jonathan N Grauer, Jeffrey A Rihn, Joseph T Labrum
No abstract text is available yet for this article.
December 2015: Journal of Spinal Disorders & Techniques
Barrett S Boody, Tyler J Jenkins, Sohaib Z Hashmi, Wellington K Hsu, Alpesh A Patel, Jason W Savage
Surgical site infections (SSIs) are a potentially devastating complication of spine surgery. SSIs are defined by the Centers for Disease Control and Prevention as occurring within 30 days of surgery or within 12 months of placement of foreign bodies, such as spinal instrumentation. SSIs are commonly categorized by the depth of surgical tissue involvement (ie, superficial, deep incisional, or organ and surrounding space). Postoperative infections result in increased costs and postoperative morbidity. Because continued research has improved the evaluation and management of spinal infections, spine surgeons must be aware of these modalities...
December 2015: Journal of Spinal Disorders & Techniques
Yasushi Fujiwara, Hideki Manabe, Tadayoshi Sumida, Nobuhiro Tanaka, Takahiko Hamasaki
Retro-odontoid pseudotumors are noninflammatory masses formed posterior to the odontoid process. Because of their anatomy, the optimal surgical approach for resecting pseudotumors is controversial. Conventionally, 3 approaches are used: the anterior transoral approach, the lateral approach, and the posterior extradural approach; however, each approach has its limitations. The posterior extradural approach is the most common; however, it remains challenging due to severe epidural veins. Although regression of pseudotumors after fusion surgery has been reported, direct decompression and a pathologic diagnosis are ideal when the pseudotumor is large...
December 2015: Journal of Spinal Disorders & Techniques
Alok D Sharan, Gregory D Schroeder, Michael E West, Alexander R Vaccaro
Over the last 5 years, there has been a growing trend toward consolidation in the health care field. As reimbursement moves from a fee-for-service model to a value-based model, there will be continued pressure on physicians to either be a hospital employee or to be in a large multidisciplinary practice. This is largely due to the Accountable Care Act, which directs payers to utilize population-based cost analyses, rather than an individual patient-based analysis. To succeed in this environment, practices will have to break down traditional organizational barriers to create evidence-based algorithms for the treatment of individual diagnoses from the initial onset of symptoms until the resolution of symptoms...
December 2015: Journal of Spinal Disorders & Techniques
Mitchell G Maltenfort
Assuming data follow a normal distribution is essential for many common statistical tests. However, what are normal data and when can we assume that a data set follows this distribution? What can be done to analyze non-normal data?
December 2015: Journal of Spinal Disorders & Techniques
Xian Xu, Xu Li, Wei Wu
STUDY DESIGN: A meta-analysis. OBJECTIVE: We performed this meta-analysis to evaluate the association between overweight and lumbar disease. SUMMARY OF BACKGROUND DATA: An extensive English language literature retrieval regarding the association between overweight and the risk of lumbar disease was conducted on Public Medline and Excerpta Medica Database until May 2014. METHODS: Meta-analysis for all the included literatures was performed by STATA 11...
December 2015: Journal of Spinal Disorders & Techniques
Arvind G Kulkarni, Abhilash N Dhruv, Anupreet J Bassi
STUDY DESIGN: Prospective study. OBJECTIVE: To study the clinical efficacy of tapered rods in posterior cervicothoracic instrumentation. SUMMARY OF BACKGROUND DATA: The cervicothoracic spine is a junctional area with complex biomechanics. A variety of disorders affect this region, rendering it unstable. Numerous posterior constructs have been evaluated by in vitro biomechanical studies. There are no data available on the clinical efficacy of a screw-rod system utilizing tapered (dual-diameter) rods...
December 2015: Journal of Spinal Disorders & Techniques
Brad Segebarth, Mark F Kurd, Priscilla H Haug, Rick Davis
STUDY DESIGN: A retrospective cohort. BACKGROUND: Degenerative spondylolisthesis (DS) with lumbar stenosis is a well-studied pathology and diagnosis is most commonly determined by a combination of magnetic resonance imaging (MRI) and standing radiographs. However, routine upright imaging is not universally accepted as standard in all practices. To the best of our knowledge, there has been no study investigating the incidence of missed diagnosis of DS evident only on standing lateral or dynamic radiographs when compared with sagittal alignment on MRI...
December 2015: Journal of Spinal Disorders & Techniques
Izabela Kowalczyk, Won Hyung A Ryu, Doron Rabin, Miguel Arango, Neil Duggal
STUDY DESIGN: This was a prospective, randomized control pilot study. OBJECTIVE: The aim of this study was to determine whether continuous monitoring and adjustment of the endotracheal tube cuff pressure (ETTCP) to 15 mm Hg during ACSS would alter the incidence of postoperative dysphagia. SUMMARY OF BACKGROUND DATA: Postoperative dysphagia is a recognized potential complication of anterior cervical spine surgery (ACSS). Recent findings on preventive measures suggest that certain intraoperative practices may minimize this complication...
December 2015: Journal of Spinal Disorders & Techniques
Kyoung-Tae Kim, Dong-Hyun Lee, Dae-Chul Cho, Joo-Kyung Sung, Young-Baeg Kim
BACKGROUND CONTEXT: Although numerous studies have reported on recurrent lumbar disk herniation (rLDH), few have reported on recurrence of L5-S1 level. PURPOSE: We investigated whether the preoperative risk factors, such as disk degeneration, disk height, sagittal range of motion (sROM), width of L5 vertebral transverse process, and iliac crest height, have any effect on rLDH in L5-S1. STUDY DESIGN: A retrospective case control study. PATIENT SAMPLE: A total of 467 patients were enrolled in this study...
December 2015: Journal of Spinal Disorders & Techniques
Jun Hirose, Takuya Taniwaki, Toru Fujimoto, Tatsuya Okada, Takayuki Nakamura, Koichiro Usuku, Hiroshi Mizuta
STUDY DESIGN: A single-center retrospective cohort study. OBJECTIVE: To evaluate the ability of the Estimation of Physiologic Ability and Surgical Stress (E-PASS) system to predict postoperative risk in patients scheduled for spinal surgery. SUMMARY OF BACKGROUND DATA: The E-PASS system is a surgical audit to predict postoperative morbidity and mortality in general surgery. It is currently not applied in patients with spinal disorders. METHODS: The E-PASS system is comprised of a preoperative risk score (PRS), a surgical stress score (SSS), and a comprehensive risk score (CRS)...
December 2015: Journal of Spinal Disorders & Techniques
Kenneth S Bode, Kristen E Radcliff, Alexander R Vaccaro
STUDY DESIGN: Randomized trial. OBJECTIVE: This study described practical magnetic resonance imaging (MRI) characteristics to assist in the identification of these tumors including the corresponding statistics. SUMMARY OF BACKGROUND DATA: Identification of vascular spinal tumors using MRI allows the opportunity for angiography and preoperative embolization (PE) to improve outcomes and decrease hemorrhage. The MRI characterization reliability of these tumors has not been described...
December 2015: Journal of Spinal Disorders & Techniques
Aaron Heller, Terence E McIff, Sue-Min Lai, Douglas C Burton
STUDY DESIGN: A retrospective historical cohort design. OBJECTIVE: To determine what effect the addition of intrawound vancomycin powder to the prophylactic regimen of posterior instrumented spinal arthrodesis procedures has had on acute surgical site infections (SSIs). SUMMARY OF BACKGROUND DATA: SSIs are known complications in instrumented spinal arthrodesis procedures, and are predominately caused by Staphylococcus aureus. Recent reports have suggested that placing vancomycin powder into the surgical wound before closure prevents SSIs in spinal surgery...
December 2015: Journal of Spinal Disorders & Techniques
Dong Geun Lee, Choon Keun Park, Chan Jin Park, Dong Chan Lee, Jang Hoe Hwang
STUDY DESIGN: A retrospective cohort study. OBJECTIVE: New vertebral compression fracture (NVCF) is a highly potential risk after percutaneous vertebroplasty (PVP). The study aimed at analyzing the incidence and risk factors of NVCF and preventing its development. SUMMARY OF BACKGROUND DATA: PVP is widely used and highly effective technique for reducing pain caused by an osteoporotic vertebral compression fracture. However, there is a great deal of debate about whether PVP is associated with NVCF, and many risk factors of NVCF have been hypothesized...
December 2015: Journal of Spinal Disorders & Techniques
Giovanni B Brodano, Konstantinos Martikos, Francesco Lolli, Alessandro Gasbarrini, Alfredo Cioni, Stefano Bandiera, Mario Di Silvestre, Stefano Boriani, Tiziana Greggi
BACKGROUND: Interbody fusion represents an efficient surgical treatment in degenerative lumbar disease, achieving satisfying outcome in >90% of cases. Various studies have affirmed the advantages of percutaneous and minimally invasive techniques with regard to minimized damage on soft tissues during surgical procedure, but their efficacy in comparison with the classic open surgical procedures has not yet been demonstrated. MATERIALS AND METHODS: This is a retrospective study...
December 2015: Journal of Spinal Disorders & Techniques
Yibing Li, Dingjun Hao, Baorong He, Xiaodong Wang, Liang Yan
STUDY DESIGN: A prospective controlled study. OBJECTIVE: The aim of this study was to compare the safety and efficacy of the zero-profile device with that of an anterior cervical plate and cage in patients undergoing anterior cervical discectomy and fusion (ACDF). SUMMARY OF BACKGROUND DATA: A series of studies have indicated that anterior instruments produce good clinical results during ACDF. However, common implants are associated with a high rate of postoperative complications...
December 2015: Journal of Spinal Disorders & Techniques
Yu Fengbin, Liao Xinyuan, Liu Xiaowei, Wang Xinwei, Chen Deyu
STUDY DESIGN: A retrospective clinical study. OBJECTIVE: To analyze and evaluate the clinical outcomes of cerebrospinal fluid (CSF) leak after anterior decompression for cervical ossification of the posterior longitudinal ligament (OPLL) with or without dural ossification (DO). SUMMARY OF BACKGROUND DATA: Anterior decompression can be highly efficacious in the treatment of OPLL. However, in some cases of OPLL, there often exists DO and fusion with the posterior longitudinal ligament, which may increase the chance for CSF leak during an anterior decompression surgery...
December 2015: Journal of Spinal Disorders & Techniques
Yang Zhang, Li Tian, Xiong Zhao, Zixiang Wu, Lin Wang, Lei Shi, Geng Cui, Wei Lei
STUDY DESIGN: We designed a retrospective study on preoperative tracheal stretch exercise (TSE) before anterior cervical spine surgery. The changes in vital signs before and during the surgery and the postoperative clinical outcome were recorded and compared with none treated patients. OBJECTIVE: The aim of this study was to evaluate whether the preoperative TSE is beneficial to the anterior cervical spine surgery and clinical outcome. SUMMARY OF BACKGROUND DATA: Anterior approach to the cervical spine surgery requires prolonged retraction of the trachea and esophagus...
December 2015: Journal of Spinal Disorders & Techniques
Alexander R Vaccaro, Gregory D Schroeder
No abstract text is available yet for this article.
November 2015: Journal of Spinal Disorders & Techniques
Gregory D Schroeder, Mark F Kurd, Christopher K Kepler, Paul M Arnold, Alexander R Vaccaro
Postoperative epidural hematomas are rare complications following lumbar spine surgery, but if they are not quickly identified and treated they can lead to permanent neurological deficits. Epidural hematomas occur in approximately 0.10%-0.24% of all spine surgeries, and despite the fact that multiple large studies have been performed attempting to identify risk factors for this complication, there is still significant debate about the effect of subfascial drains, postoperative anticoagulation, and antiplatelet medication on the incidence of postoperative hematoma...
November 2015: Journal of Spinal Disorders & Techniques
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