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Thoracic spinal cord injury

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https://www.readbyqxmd.com/read/29350593/the-natural-history-of-complete-spinal-cord-injury-a-pooled-analysis-of-1162-patients-and-a-meta-analysis-of-modern-data
#1
Najib E El Tecle, Nader S Dahdaleh, Mohamad Bydon, Wilson Z Ray, James C Torner, Patrick W Hitchon
OBJECTIVE The natural history of complete spinal cord injury (SCI) is poorly studied. The classically quoted rate of improvement or conversion for patients with American Spinal Injury Association (ASIA) grade A (ASIA A) injuries is 15%-20%; however, data supporting this rate are very limited. In this paper, the authors conducted a meta-analysis of modern data reporting on ASIA A patients and evaluated factors affecting the natural history of the disease. METHODS The authors conducted a systematic literature review of all randomized clinical trials (RCTs) and observational studies of patients with traumatic SCI...
January 19, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/29338544/a-direct-comparison-between-norepinephrine-and-phenylephrine-for-augmenting-spinal-cord-perfusion-in-a-porcine-model-of-spinal-cord-injury
#2
Femke Streijger, Kitty So, Neda Manouchehri, Ana Gheorghe, Elena B Okon, Ryan M Chan, Benjamin Ng, Katelyn Shortt, Mypinder Singh Sekhon, Donald E Griesdale, Brian K Kwon
Current clinical guidelines recommend elevating the mean arterial blood pressure (MAP) to increase spinal cord perfusion in patients with acute spinal cord injury (SCI). This is typically achieved with vasopressors such as norepinephrine (NE) and phenylephrine (PE). These drugs differ in their pharmacologic properties and potentially have different effects on spinal cord blood flow (SCBF), oxygenation (PO2), and downstream metabolism after injury. Using a porcine model of thoracic SCI, we evaluated how these vasopressors influenced intraparenchymal SCBF, PaPO2, hydrostatic pressure, and metabolism within the spinal cord adjacent to the injury site...
January 16, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29337123/mesenchymal-stem-cell-based-therapy-improves-lower-limb-movement-after-spinal-cord-ischemia-in-rats
#3
Shinya Takahashi, Kei Nakagawa, Mayumi Tomiyasu, Ayumu Nakashima, Keijiro Katayama, Takeshi Imura, Bagus Herlambang, Fumie Okubo, Koji Arihiro, Yumi Kawahara, Louis Yuge, Taijiro Sueda
BACKGROUND: Spinal cord ischemia is a devastating complication following thoracic and thoracoabdominal aortic surgery. In this study, we aimed to investigate the effects of mesenchymal stem cells (MSCs), which have regenerative capability and exert paracrine actions on damaged tissues, injected into rat models of spinal cord ischemia-reperfusion injury. METHODS: Forty-five Sprague-Dawley rats were divided into sham, phosphate-buffered saline (PBS), and MSC groups...
January 11, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29336201/poor-motor-function-recovery-after-spinal-cord-injury-in-anxiety-model-mice-with-phospholipase-c-related-catalytically-inactive-protein-type-1-knockout
#4
Taku Fujita, Gentaro Kumagai, Xizhe Liu, Kanichiro Wada, Toshihiro Tanaka, Hitoshi Kudo, Toru Asari, Tatsuhiro Fukutoku, Ayako Sasaki, Yohshiro Nitobe, Yoshikazu Nikaido, Ken-Ichi Furukawa, Masato Hirata, Takashi Kanematsu, Shinya Ueno, Yasuyuki Ishibashi
Mice with a knockout of phospholipase C (PLC)-related inactive protein type 1 (PRIP1-/- mice) display anxiety-like behavior and altered GABAA-receptor pharmacology. Here we examined associations between anxiety and motor-function recovery in PRIP1-/- mice after a spinal-cord injury (SCI) induced by a moderate contusion injury at the 10th thoracic level. Uninjured PRIP1-/- mice spent less distance than wild-type (WT) mice in the center 25% in an open field test (OFT), indicating anxiety-like behavior. Anxiety behavior increased in both WT and PRIP1-/- mice after SCI...
January 16, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29323806/spine-and-spinal-cord-injuries-after-falls-from-tree-stands-during-the-wisconsin-deer-hunting-season
#5
Kimberly Hamilton, Brandon Rocque, Nathaniel Brooks
BACKGROUND: Deer hunting is popular in much of the United States. In Wisconsin, use of tree stands for hunting is common. Spine surgeons at a Level 1 Trauma Center observed a high incidence of spine and spinal cord injury due to falls from tree stands while hunting. This study's purpose is to systematically characterize and classify those injuries. METHODS: We reviewed the University of Wisconsin Hospital and Clinics' trauma database for tree stand-related injuries from 1999 to 2013...
November 2017: WMJ: Official Publication of the State Medical Society of Wisconsin
https://www.readbyqxmd.com/read/29323634/epidemiology-of-traumatic-spinal-cord-injury-in-tianjin-china-an-18-year-retrospective-study-of-735-cases
#6
Hai-Liang Li, Hong Xu, Yu-Lin Li, Shi-Wei Sun, Wen-Ye Song, Qiang Wu, Jie Ai, Jing-Cheng Sun, Guang-Zhi Ning, Shi-Qing Feng
STUDY DESIGN: Hospital-based retrospective study Objectives: To evaluate the pathogenetic features of traumatic spinal cord injury (TSCI) during 1999-2016 according to changed injury etiology with time, explore different characteristics of patients suffered a TSCI during 1999-2007 and 2008-2016 in Tianjin, China. SETTING: Tianjin Medical University General Hospital Methods: In this study, the medical records of TSCI patients were obtained from Tianjin Medical University General Hospital (TMUGH) from 1st January 1999 to 31th December 2016...
January 11, 2018: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/29323623/bladder-management-practices-in-spinal-cord-injury-patients-a-single-center-experience-from-a-developing-country
#7
Sahibzada Nasir Mansoor, Farooq Azam Rathore
CONTEXT/OBJECTIVE: Inadequate bladder management in spinal cord injury (SCI) patients results in significant morbidity and even mortality. Clean intermittent catheterization (CIC) is the recommended option for SCI patients. The objective of the study was to document the bladder management practices of SCI patients in a developing country. DESIGN: Questionnaire based cross sectional survey Setting: Armed Forces Institute of Rehabilitation Medicine, Rawalpindi, Pakistan Participants: All patients with SCI (irrespective of duration, level and etiology) Interventions: Data documentation included demographics, level, severity and time since injury, bladder management techniques used, details of CIC, results of Urodynamic studies (if available), complications resulting from bladder management technique and patient awareness of the yearly follow up...
January 11, 2018: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/29323048/topiramate-as-a-neuroprotective-agent-in-a-rat-model-of-spinal-cord-injury
#8
Firat Narin, Sahin Hanalioglu, Huseyin Ustun, Kamer Kilinc, Burcak Bilginer
Topiramate (TPM) is a widely used antiepileptic and antimigraine agent which has been shown to exert neuroprotective effects in various experimental traumatic brain injury and stroke models. However, its utility in spinal cord injury has not been studied extensively. Thus, we evaluated effects of TPM on secondary cellular injury mechanisms in an experimental rat model of traumatic spinal cord injury (SCI). After rat models of thoracic contusive SCI were established by free weight-drop method, TPM (40 mg/kg) was given at 12-hour intervals for four times orally...
December 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/29323044/magnetic-resonance-imaging-guided-focused-ultrasound-to-increase-localized-blood-spinal-cord-barrier-permeability
#9
Allison H Payne, Gregory W Hawryluk, Yoshimi Anzai, Henrik Odéen, Megan A Ostlie, Ethan C Reichert, Amanda J Stump, Satoshi Minoshima, Donna J Cross
Spinal cord injury (SCI) affects thousands of people every year in the USA, and most patients are left with some permanent paralysis. Therapeutic options are limited and only modestly affect outcome. To address this issue, we used magnetic resonance imaging-guided focused ultrasound (MRgFUS) as a non-invasive approach to increase permeability in the blood-spinal cord barrier (BSCB). We hypothesize that localized, controlled sonoporation of the BSCB by MRgFUS will aid delivery of therapeutics to the injury. Here, we report our preliminary findings for the ability of MRgFUS to increase BSCB permeability in the thoracic spinal cord of a normal rat model...
December 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/29321494/transplantation-of-olfactory-ensheathing-cells-on-functional-recovery-and-neuropathic-pain-after-spinal-cord-injury-systematic-review-and-meta-analysis
#10
Babak Nakhjavan-Shahraki, Mahmoud Yousefifard, Vafa Rahimi-Movaghar, Masoud Baikpour, Farinaz Nasirinezhad, Saeed Safari, Mehdi Yaseri, Ali Moghadas Jafari, Parisa Ghelichkhani, Abbas Tafakhori, Mostafa Hosseini
There are considerable disagreements on the application of olfactory ensheathing cells (OEC) for spinal cord injury (SCI) rehabilitation. The present meta-analysis was designed to investigate the efficacy of OEC transplantation on motor function recovery and neuropathic pain alleviation in SCI animal models. Accordingly, all related studies were identified and included. Two independent researchers assessed the quality of the articles and summarized them by calculating standardized mean differences (SMD). OEC transplantation was shown to significantly improve functional recovery (SMD = 1...
January 10, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29314212/lumbar-to-sacral-root-rerouting-to-restore-bladder-function-in-a-feline-spinal-cord-injury-model-urodynamic-and-retrograde-nerve-tracing-results-from-a-pilot-study
#11
Ornella Lam Van Ba, Mary F Barbe, Romain Caremel, Shachar Aharony, Oleg Loutochin, Line Jacques, Matthew W Wood, Ekta Tiwari, Gerald F Tuite, Lysanne Campeau, Jacques Corcos, Michael R Ruggieri
AIMS: Lumbar to sacral rerouting surgery can potentially allow voiding via a skin-central nervous system-bladder reflex pathway. Here, we assessed if this surgery was effective in treating neurogenic bladder dysfunction/sphincter in felines. METHODS: Eight cats underwent spinal cord transection (SCT) at thoracic level 10/11. Unilateral L7 to S1 ventral root anastomosis was performed 1 month later in six cats. Two cats served as transection-only controls. Electrical and manual stimulation of L6-S1 dermatomes, and urodynamics were performed at 3, 5, 7, and 9/10 months post transection...
January 4, 2018: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/29310515/persons-with-chronic-spinal-cord-injury-have-decreased-nk-cell-and-increased-tlr-inflammatory-gene-expression
#12
Paige Herman, Adam B Stein, Katie Gibbs, Ilya Korsunsky, Peter Gregersen, Ona Bloom
Infections are the leading cause of death for individuals with traumatic spinal cord injury (SCI). Along with increased infection rates, inflammation is often also observed in persons with chronic SCI. Together, immunological changes after SCI are also poised to impede neurological recovery and to mediate common medical consequences of SCI, including atherogenesis and neuropathic pain. The molecular mechanisms contributing to increased infection susceptibility and inflammation in persons living with SCI are poorly understood...
January 8, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29303132/surgical-decompression-for-traumatic-spinal-cord-injury-in-a-tertiary-center
#13
O A Ojo, E O Poluyi, B S Owolabi, O O Kanu, M O Popoola
BACKGROUND: There are controversies regarding the importance and timing of spinal cord decompression following trauma. Documented evidence shows that early decompression in the setting of acute spinal cord injury (SCI) improves neurologic outcomes. Our objective was to evaluate the outcome of posttraumatic spinal cord decompression with or without spinal stabilization in our region. METHODOLOGY: We performed a cross-sectional study on adult patients who presented with acute spinal cord compression of traumatic etiology within a 2-year period...
November 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/29301602/progress-in-intraoperative-neurophysiological-monitoring-for-the-surgical-treatment-of-thoracic-spinal-stenosis
#14
Yong-Sheng Liu, Yu Zhao
Thoracic spinal stenosis (TSS) is a group of clinical syndromes caused by thoracic spinal cord compression, which always results in severe clinical complications. The incidence of TSS is relatively low compared with lumbar spinal stenosis, while the incidence of spinal cord injury during thoracic decompression is relatively high. The reported incidence of neurological deficits after thoracic decompression reached 13.9%. Intraoperative neurophysiological monitoring (IONM) can timely provide information regarding the function status of the spinal cord, and help surgeons with appropriate performance during operation...
December 30, 2017: Chinese Medical Sciences Journal, Chung-kuo i Hsüeh K'o Hsüeh Tsa Chih
https://www.readbyqxmd.com/read/29299101/rib-head-dislocation-causing-spinal-canal-stenosis-in-a-child-with-neurofibromatosis-type-1
#15
Alan M Chen, Jeffrey B Neustadt, Jennifer Neville Kucera
A 10-year-old female with neurofibromatosis type 1 and severe dystrophic scoliosis presented with a two-month history of difficulty ambulating due to low back pain. The patient did not have any neurological symptoms. MRI of the thoracolumbar spine demonstrated subluxation of the right posterior tenth and eleventh ribs through their respective neural foramina, with mild mass effect on the thecal sac without abnormal cord signal or cord compression. Groups of neurofibromas were present along the right ribs and paravertebral soft tissues around these levels...
August 2017: Journal of Radiology Case Reports
https://www.readbyqxmd.com/read/29295647/prophylactic-riluzole-attenuates-oxidative-stress-damage-in-spinal-cord-distraction
#16
Eileen Nicole Shimizu, Jennifer L Seifert, Kevin J Johnson, Mario Romero-Ortega
Spinal cord injury (SCI) without radiographic abnormalities (SCIWORA) presents a significant challenge due the loss of function despite an apparent normal anatomy. The cause of dysfunction is not understood and specific treatment options are lacking. Some scoliosis corrective surgeries result in SCIWORA, where stretching of the spinal cord can lead to vascular compromise and hypoxia. This procedure allows for the implantation of neuroprotective strategies designed to prevent iatrogenic SCI. We utilized a model of atraumatic SCI to evaluate the efficacy of the sodium channel blocker Riluzole, as a prophylactic neuroprotectant...
January 2, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29284794/prevalence-and-factors-associated-with-a-higher-risk-of-neck-and-back-pain-among-permanent-wheelchair-users-a-cross-sectional-study
#17
Francisco M Kovacs, Jesús Seco, Ana Royuela, Andrés Barriga, Javier Zamora
STUDY DESIGN: Cross-sectional study. OBJECTIVES: To determine the prevalence of, and factors associated with, spinal pain among wheelchair users. SETTING: Four Spanish hospitals specialized in providing care for wheelchair users. METHODS: Persons who had used a wheelchair for a median (IRQ) of 10 (5;19) years, 27% of them due to reasons other than spinal cord injury, were recruited consecutively (n = 750). Data on 43 demographic, psychosocial, ergonomic, and clinical variables were collected, and analyzed...
December 28, 2017: Spinal Cord
https://www.readbyqxmd.com/read/29283918/clinical-utility-of-intraoperative-motor-evoked-potential-monitoring-to-prevent-postoperative-spinal-cord-injury-in-thoracic-and-thoracoabdominal-aneurysm-repair-an-audit-of-the-japanese-association-of-spinal-cord-protection-in-aortic-surgery-database
#18
Kenji Yoshitani, Kenichi Masui, Masahiko Kawaguchi, Mikito Kawamata, Manabu Kakinohana, Shinya Kato, Kyoko Hasuwa, Michiaki Yamakage, Yusuke Yoshikawa, Kimitoshi Nishiwaki, Tadashi Aoyama, Yoshimi Inagaki, Kazumasa Yamasaki, Mishiya Matsumoto, Kazuyoshi Ishida, Atsuo Yamashita, Katsuhiro Seo, Shinichi Kakumoto, Hironobu Hayashi, Yuu Tanaka, Satoshi Tanaka, Takashi Ishida, Hiroyuki Uchino, Takayasu Kakinuma, Yoshitsugu Yamada, Yoshiteru Mori, Shunsuke Izumi, Kunihiro Nishimura, Michikazu Nakai, Yoshihiko Ohnishi
BACKGROUND: Spinal cord ischemic injury is the most devastating sequela of descending and thoracoabdominal aortic surgery. Motor-evoked potentials (MEPs) have been used to intraoperatively assess motor tract function, but it remains unclear whether MEP monitoring can decrease the incidence of postoperative motor deficits. Therefore, we reviewed multicenter medical records of patients who had undergone descending and thoracoabdominal aortic repair (both open surgery and endovascular repair) to assess the association of MEP monitoring with postoperative motor deficits...
December 26, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29279800/closed-therapy-of-thoracic-and-lumbar-vertebral-body-fractures-in-trauma-patients
#19
Jarvis W Walters, Tammy R Kopelman, Arpan A Patel, Patrick J O'Neill, Poya Hedayati, Paola G Pieri, Sydney J Vail, Salvatore C Lettieri, Iman Feiz-Erfan
Background: The failure rate for the closed/non-surgical treatment of thoracic and lumbar vertebral body fractures (TLVBF) in trauma patients has not been adequately evaluated utilizing computed tomography (CT) studies. Methods: From 2007 to 2008, consecutive trauma patients, who met inclusion criteria, with a CT diagnosis of acute TLVBF undergoing closed treatment were assessed. The failure rates for closed therapy, at 3 months post-trauma, were defined by progressive deformity, vertebral body collapse, or symptomatic/asymptomatic pseudarthrosis...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/29279015/rodent-neural-progenitor-cells-support-functional-recovery-after-cervical-spinal-cord-contusion
#20
John H Brock, Lori Graham, Eileen Staufenberg, Sarah Im, Mark H Tuszynski
Previously others and we have shown that rodent neural progenitor cells (NPCs) can support functional recovery following cervical and thoracic transection injuries. To extend these observations to a more clinically relevant model of spinal cord injury, we performed unilateral mid-cervical contusion injuries in Fischer 344 rats. Two-weeks later, E14-derived syngeneic spinal cord-derived neural progenitor cells were implanted into the lesion cavity. Control animals received either no grafts or fibroblast grafts...
December 26, 2017: Journal of Neurotrauma
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