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https://www.readbyqxmd.com/read/28101655/percutaneous-vertebral-augmentation-in-fragility-fractures-indications-and-limitations
#1
O Gonschorek, S Hauck, T Weiß, V Bühren
INTRODUCTION: There is still no general consensus about the management of osteoporotic vertebral fractures. Recommendations depend on type of fracture, grade of instability, bone quality, and general conditions of the patient. Spontaneous fractures may be considered to be treated different compared to cases with high-velocity trauma. METHODS: According to the DVO, patients without trauma should first be treated conservatively. However, there is no more strict time protocol of 3 or 6 week conservative treatment before operations may be indicated...
January 18, 2017: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/28074248/pregnancy-associated-osteoporosis-a-case-control-study
#2
P Hadji, J Boekhoff, M Hahn, L Hellmeyer, O Hars, I Kyvernitakis
: The etiology and underlying mechanisms of pregnancy-associated osteoporosis (PAO) are still unknown, since no systematic analyses exist. Our results indicate that PAO is a heterogeneous, rare but severe disease including a substantial number of fractures with a significant delay from first symptom to diagnose. INTRODUCTION: Pregnancy-associated osteoporosis (PAO) is a rare but severe type of premenopausal osteoporosis. Most common symptom includes acute lower back pain due to vertebral fracture predominantly occurring in the last trimester of pregnancy or immediately postpartum...
January 10, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28065978/spontaneous-bilateral-quadriceps-rupture-in-a-patient-with-ankylosing-spondylitis-a-case-report
#3
Azib Shahid, Hafiz Shahid Mushtaq, Syed Muhammad Azfar
Ankylosing spondylitis is a prototype rheumatoid factor-negative spondyloarthropathy that causes the vertebrae to fuse making the spine less flexible, resulting in a hunched-forward posture. A 47-year-old male who was a known case of ankylosing spondylitis presented with left quadriceps rupture after raising his right foot to lightly hit a football. He was fitted with a knee immobilizer as an emergency measure. The extent of the rupture was not yet established when patient requested leave to go home. The right quadriceps was ruptured as well when he took his immobilizer off to go the bathroom...
January 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28048752/tu-a-brb-02-panel-member
#4
L Ma
: Brain stereotactic radiosurgery (SRS) and spine stereotactic body radiation therapy (SBRT) are commonly treated by a multidisciplinary team of neurosurgeons, radiation oncologists, and medical physicists. However the treatment objectives, constraints, and technical considerations involved can be quite different between the two techniques. In this interactive session an expert panel of speakers will present clinical brain SRS and spine SBRT cases in order to demonstrate real-world considerations for ensuring safe and accurate treatment delivery and to highlight the significant differences in approach for each treatment site...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047363/tu-a-brb-00-panel-discussion-sbrt-srs-case-studies-brain-and-spine
#5
David Schlesinger
: Brain stereotactic radiosurgery (SRS) and spine stereotactic body radiation therapy (SBRT) are commonly treated by a multidisciplinary team of neurosurgeons, radiation oncologists, and medical physicists. However the treatment objectives, constraints, and technical considerations involved can be quite different between the two techniques. In this interactive session an expert panel of speakers will present clinical brain SRS and spine SBRT cases in order to demonstrate real-world considerations for ensuring safe and accurate treatment delivery and to highlight the significant differences in approach for each treatment site...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047275/tu-a-brb-03-panel-member
#6
B Winey
: Brain stereotactic radiosurgery (SRS) and spine stereotactic body radiation therapy (SBRT) are commonly treated by a multidisciplinary team of neurosurgeons, radiation oncologists, and medical physicists. However the treatment objectives, constraints, and technical considerations involved can be quite different between the two techniques. In this interactive session an expert panel of speakers will present clinical brain SRS and spine SBRT cases in order to demonstrate real-world considerations for ensuring safe and accurate treatment delivery and to highlight the significant differences in approach for each treatment site...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046948/su-f-j-159-influence-of-the-elevated-posterior-position-by-using-the-customized-vacuum-bag-on-the-abdominal-mr-image-quality-a-quantitative-phantom-study
#7
O Wong, J Yuan, M Law, A Ding, S Yu, K Cheung
PURPOSE: Signal-to-noise ratio(SNR) of MR abdominal imaging in diagnostic radiology is maximized by minimizing the coil-to-patient distance. However, for radiotherapy applications, customized vacuum-bag is needed for abdominal immobilization at the cost of the increasing distance to the posterior spine coil. This sub-optimized coil setting for RT applications may compromise image quality, such as SNR and homogeneity, thus potentially affect tissue delineation. In this study, we quantitatively evaluate the effect of the vertical position change on SNR and image quality change using an ACR MR phantom...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046784/mo-fg-campus-jep3-03-detection-of-unpredictable-patient-movement-during-sbrt-using-a-single-kv-projection-of-an-on-board-cbct-system-simulation-study
#8
Y Park, G Sharp, B Winey
PURPOSE: An unpredictable movement of a patient can occur during SBRT even when immobilization devices are applied. In the SBRT treatments using a conventional linear accelerator detection of such movements relies heavily on human interaction and monitoring. This study aims to detect such positional abnormalities in real-time by assessing intra-fractional gantry mounted kV projection images of a patient's spine. METHODS: We propose a self-CBCT image based spine tracking method consisting of the following steps: (1)Acquire a pre-treatment CBCT image; (2)Transform the CBCT volume according to the couch correction; (3)Acquire kV projections during treatment beam delivery; (4)Simultaneously with each acquisition generate a DRR from the CBCT volume based-on the current projection geometry; (5)Perform an intensity gradient-based 2D registration between spine ROI images of the projection and the DRR images; (6)Report an alarm if the detected 2D displacement is beyond a threshold value...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046696/tu-a-brb-01-panel-member
#9
D Schlesinger
: Brain stereotactic radiosurgery (SRS) and spine stereotactic body radiation therapy (SBRT) are commonly treated by a multidisciplinary team of neurosurgeons, radiation oncologists, and medical physicists. However the treatment objectives, constraints, and technical considerations involved can be quite different between the two techniques. In this interactive session an expert panel of speakers will present clinical brain SRS and spine SBRT cases in order to demonstrate real-world considerations for ensuring safe and accurate treatment delivery and to highlight the significant differences in approach for each treatment site...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046323/su-f-t-642-sub-millimeter-accurate-setup-of-more-than-three-vertebrae-in-spinal-sbrt-with-6d-couch
#10
X Wang, Z Zhao, J Yang, J Yang, M McAleer, P Brown, J Li, A Ghia
PURPOSE: To assess the initial setup accuracy in treating more than 3 vertebral body levels in spinal SBRT using a 6D couch. METHODS: We retrospectively analyzed last 20 spinal SBRT patients (4 cervical, 9 thoracic, 7 lumbar/sacrum) treated in our clinic. These patients in customized immobilization device were treated in 1 or 3 fractions. Initial setup used ExacTrac and Brainlab 6D couch to align target within 1 mm and 1 degree, following by a cone beam CT (CBCT) for verification...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28041757/comparison-of-the-macintosh-laryngoscope-and-blind-intubation-via-the-igel-for-intubation-with-cervical-spine-immobilization-a-randomized-crossover-manikin-trial
#11
Pawel Gawlowski, Jacek Smereka, Marcin Madziala, Lukasz Szarpak, Michael Frass, Oliver Robak
INTRODUCTION: Endotracheal intubation (ETI) using a Macintosh laryngoscope (MAC) requires the head to be positioned in a modified Jackson position, slightly reclined and elevated. Intubation of trauma patients with an injured neck or spine is therefore difficult, since the neck usually cannot be turned or is already immobilized in order to prevent further injury. The iGEL supraglottic airway seems optimal for such conditions due to its blind insertion without the need of a modified Jackson position...
November 30, 2016: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28012078/odontoid-osteomyelitis-with-atlantoaxial-subluxation-in-an-infant
#12
Hoon Park, Hyung Kwon Byeon, Hak-Sun Kim, Jung Jun Hong, Kyung-Soo Suk
PURPOSE: To report a rare case of odontoid osteomyelitis with atlantoaxial subluxation in a 6-month-old infant. BACKGROUND: Odontoid osteomyelitis with atlantoaxial subluxation is extremely rare in children. Although several cases have been reported, there have been no studies concerning proper surgical drainage and immobilization in this disease. METHODS: A 6-month-old infant with odontoid osteomyelitis with atlantoaxial subluxation was surgically treated...
December 23, 2016: European Spine Journal
https://www.readbyqxmd.com/read/28005155/on-scene-treatment-of-spinal-injuries-in-motor-sports
#13
REVIEW
M Kreinest, M Scholz, P Trafford
Because spinal cord injuries can have fatal consequences for injured race car drivers, prehospital treatment of spinal injuries is a major concern in motor sports. A structured procedure for assessing trauma patients and their treatment should follow established ABCDE principles. Only then, a stable patient could be further examined and appropriate measures can be undertaken. For patients in an acute life-threatening condition, rapid transport must be initiated and should not be delayed by measures that are not indicated...
December 22, 2016: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/27981195/sex-differences-in-subcellular-distribution-of-delta-opioid-receptors-in-the-rat-hippocampus-in-response-to-acute-and-chronic-stress
#14
Sanoara Mazid, Baila S Hall, Shannon C Odell, Khalifa Stafford, Andreina D Dyer, Tracey A Van Kempen, Jane Selegean, Bruce S McEwen, Elizabeth M Waters, Teresa A Milner
Drug addiction requires associative learning processes that critically involve hippocampal circuits, including the opioid system. We recently found that acute and chronic stress, important regulators of addictive processes, affect hippocampal opioid levels and mu opioid receptor trafficking in a sexually dimorphic manner. Here, we examined whether acute and chronic stress similarly alters the levels and trafficking of hippocampal delta opioid receptors (DORs). Immediately after acute immobilization stress (AIS) or one-day after chronic immobilization stress (CIS), the brains of adult female and male rats were perfusion-fixed with aldehydes...
December 2016: Neurobiology of Stress
https://www.readbyqxmd.com/read/27898494/spontaneous-improvement-of-cervical-kyphosis-in-eosinophilic-granuloma-a-case-report
#15
Hiromitsu Takano, Ikuho Yonezawa, Yukitoshi Shimamura, Kei Yoshikawa, Tatsuya Sato, Takatoshi Okuda, Kazuo Kaneko
We describe the case of a spontaneous improvement of the cervical kyphosis in eosinophilic granuloma with long-term follow-up. A collapse of the C5 vertebral body was confirmed by cervical spine radiography and computed tomography. The patient wore a sterno-occipitalmandibular immobilizer brace for 6 months, and remodeling of the vertebral body was confirmed 18 months after onset. Seven years have passed since the onset of symptoms, and the patient's cervical spine has maintained normal alignment. Management of eosinophilic granuloma of the pediatric cervical spine is still controversial...
January 2017: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/27856380/t9-versus-t10-as-the-upper-instrumented-vertebra-for-correction-of-adult-deformity-rationale-and-recommendations
#16
Hwee Weng Dennis Hey, Kimberly-Anne Tan, Christabel Shao-En Neo, Eugene Tze-Chun Lau, Denise Ai-Wen Choong, Leok-Lim Lau, Gabriel Ka-Po Liu, Hee-Kit Wong
BACKGROUND CONTEXT: Adult spinal deformity correction sometimes involves long posterior pedicle screw constructs extending from the lumbosacral spine to the thoracic vertebra. As fusion obliterates motion and places supraphysiological stress on adjacent spinal segments, it is crucial to ascertain the ideal upper instrumented vertebra (UIV) to minimize risk of proximal junctional failure (PJF). The T10 vertebra is often chosen to allow bridging of the thoracolumbar junction into the immobile thoracic vertebrae on the basis that it is the lowest immobile thoracic vertebra strut by the rib cage...
November 14, 2016: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/27828781/tracheal-extubation-of-patients-with-cervical-spine-injury-a-case-report-and-review-of-literature
#17
REVIEW
Aleksandra Nowicka, Narcis Ungureanu, Shyam Balasubramanian, Cyprian Mendonca
In patients with cervical spine injuries, emergence from anesthesia and tracheal extubation can prove as challenging to the anesthesiologist as the tracheal intubation. We report a case of a patient with a potentially unstable cervical spine injury who presented for a nonspinal surgery and experienced agitation on emergence from anesthesia. The use of an intravenous sedative was necessary to ensure cervical spine immobilization but was complicated by severe respiratory depression and the need for reintubation and admission to intensive care...
January 15, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/27798355/the-delayed-strengthening-of-synaptic-connectivity-in-the-amygdala-depends-on-nmda-receptor-activation-during-acute-stress
#18
Farhana Yasmin, Kapil Saxena, Bruce S McEwen, Sumantra Chattarji
There is growing evidence that stress leads to contrasting patterns of structural plasticity in the hippocampus and amygdala, two brain areas implicated in the cognitive and affective symptoms of stress-related psychiatric disorders. Acute stress has been shown to trigger a delayed increase in the density of dendritic spines in the basolateral amygdala (BLA) of rodents. However, the physiological correlates of this delayed spinogenesis in the BLA remain unexplored. Furthermore, NMDA receptors (NMDARs) have been known to underlie chronic stress-induced structural plasticity in the hippocampus, but nothing is known about the role of these receptors in the delayed spinogenesis, and its physiological consequences, in the BLA following acute stress...
October 2016: Physiological Reports
https://www.readbyqxmd.com/read/27755056/a-comparison-between-the-conventional-and-the-laryngoscope-assisted-lightwand-intubation-techniques-in-patients-with-cervical-immobilization-a-prospective-randomized-study
#19
Eugene Kim, Byung-Gun Kim, Young-Jin Lim, Young-Tae Jeon, Jung-Won Hwang, Seo-Yun Lee, Hee-Pyoung Park
BACKGROUND: Positioning of a lightwand in the midline of the oral cavity can be challenging in patients with cervical immobilization. Direct laryngoscopy may permit the lightwand tip to more easily access the glottic opening. We tested our hypothesis that a laryngoscope-assisted lightwand technique allows more successful endotracheal intubation than does a conventional lightwand approach. METHODS: A total of 162 patients requiring cervical immobilization during intubation for cervical spine surgery were allocated randomly to 2 groups...
October 11, 2016: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/27752604/comparison-of-intubation-times-using-a-manikin-with-an-immobilized-cervical-spine-macintosh-laryngoscope-vs-glidescope-vs-fiberoptic-bronchoscope
#20
Jung-In Ko, Sang Ook Ha, Min Seok Koo, Miyoung Kwon, Jieun Kim, Jin Jeon, So Hee Park, Sangwoo Shim, Youjin Chang, Taejin Park
OBJECTIVE: Airway management in patients with suspected cervical spine injury is classified as a "difficult airway." The best device for managing difficult airways is not known. Therefore, we conducted an intubation study simulating patients with cervical spine injury using three devices: a conventional Macintosh laryngoscope, a video laryngoscope (GlideScope), and a fiberoptic bronchoscope (MAF-TM). Success rates, intubation time, and complication rates were compared. METHODS: Nine physician experts in airway management participated in this study...
December 2015: Clinical and Experimental Emergency Medicine
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