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https://www.readbyqxmd.com/read/28228791/two-cases-of-pregnancy-and-lactation-associated-osteoporosis-successfully-treated-with-denosumab
#1
Ariel Sánchez, María Belén Zanchetta, Karina Danilowicz
Case 1. A 35-year-old woman in the 8(th) month of her first pregnancy suffered acute lumbar pain that persisted for 4 months. In the 5(th) month postpartum an acute increase in the low back pain led to a MRI which showed recent deformity in L1 and deformities of undetermined time of evolution in L2, L4, and L5. Laboratory evaluation did not reveal metabolic derangements. She had low bone mineral density (BMD, DXA) and severe deterioration of the microarchitecture of distal appendicular bone (HR-pQCT). Kyphoplasty of all 4 vertebrae was performed in 2 stages, and treatment with subcutaneous denosumab, 60 mg every 6 months, was begun...
September 2016: Clinical Cases in Mineral and Bone Metabolism
https://www.readbyqxmd.com/read/28228788/safety-and-efficacy-of-vertebroplasty-in-the-treatment-of-osteoporotic-vertebral-compression-fractures-a-prospective-multicenter-international-randomized-controlled-study
#2
Paolo Tranquilli Leali, Federico Solla, Gianluca Maestretti, Massimo Balsano, Carlo Doria
BACKGROUND: Vertebral compression fractures (VCFs) treated non-operatively can diminish function and quality of life, and lead to chronic health effects. The short-term safety and effectiveness of vertebroplasty for symptomatic VCFs are well-documented, but long-term follow-up is needed. PURPOSE: The aim of this paper was to analyse a multicenter international experience of 200 compression fractures treated with percutaneous vertebroplasty (VP) and compare the results of this procedure with the result of 200 patients treated conservatively...
September 2016: Clinical Cases in Mineral and Bone Metabolism
https://www.readbyqxmd.com/read/28216208/a-rare-case-of-pediatric-lumbar-spinal-ependymoma-mimicking-meningitis
#3
Ezeali Mike Ekuma, Kiyoshi Ito, Akihiro Chiba, Yosuke Hara, Kohei Kanaya, Tetsuyoshi Horiuchi, Samuel Ohaegbulam, Kazuhiro Hongo
Spontaneous acute subarachnoid hemorrhage (SAH) from lumbar ependymoma in children is rare. We report a case of a14-year-old boy who developed sudden radicular low back pain while playing baseball. He was initially managed conservatively in a local hospital for suspected lumbar disc herniation, but later developed meningeal symptoms and fever before being referred to our hospital. There he underwent a diagnostic lumbar puncture in the emergency room; his cerebrospinal fluid suggested an SAH. Physical examination showed meningeal signs and cauda equina features...
February 12, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28210872/responsiveness-and-minimum-important-change-of-the-oswestry-disability-index-in-italian-subjects-with-symptomatic-lumbar-spondylolisthesis
#4
Carla Vanti, Silvano Ferrari, Jorge Hugo Villafañe, Pedro Berjano, Marco Monticone
BACKGROUND: This study aims to investigate the responsiveness and the minimum important change of the Italian version of the Oswestry Disability Index (ODI-I) in subjects with symptomatic specific low back pain associated with lumbar spondylolisthesis (SPL). MATERIALS AND METHODS: One hundred and fifty-one patients with symptomatic SPL completed the ODI-I, a 0-100 numerical rating scale (NRS), and performed the prone and supine bridge tests. The global perception of effectiveness was measured with a 7-point Likert scale...
February 16, 2017: Journal of Orthopaedics and Traumatology: Official Journal of the Italian Society of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/28209961/pnc1-piggy-back-import-into-peroxisomes-relies-on-gpd1-homodimerisation
#5
Nadal A Al Saryi, John D Hutchinson, Murtakab Y Al-Hejjaj, Svetlana Sedelnikova, Patrick Baker, Ewald H Hettema
Peroxisomes are eukaryotic organelles that posttranslationally import proteins via one of two conserved peroxisomal targeting signal (PTS1 or 2) mediated pathways. Oligomeric proteins can be imported via these pathways but evidence is accumulating that at least some PTS1-containing monomers enter peroxisomes before they assemble into oligomers. Some proteins lacking a PTS are imported by piggy-backing onto PTS-containing proteins. One of these proteins is the nicotinamidase Pnc1, that is co-imported with the PTS2-containing enzyme Glycerol-3-phosphate dehydrogenase 1, Gpd1...
February 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28209505/botulinum-toxin-treatment-for-nocturnal-calf-cramps-in-patients-with-lumbar-spinal-stenosis-a-randomized-clinical-trial
#6
Sang Jun Park, Kyung Bong Yoon, Duck Mi Yoon, Shin Hyung Kim
OBJECTIVES: To evaluate the clinical effectiveness of botulinum toxin (BTX) injection into the gastrocnemius muscles in lumbar spinal stenosis (LSS) patients with frequent nocturnal calf cramps (NCCs) DESIGN: Prospective randomized clinical trial SETTING: Outpatient department for interventional pain management. PARTICIPANTS: Fifty LSS patients with a frequency of NCCs ≥ once per week were enrolled. INTERVENTION: Patients were randomly allocated to receive either conservative treatments plus gabapentin (Group GPN) or BTX injection (Group BTX)...
February 13, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28208489/prediction-of-the-moments-in-advection-diffusion-lattice-boltzmann-method-ii-attenuation-of-the-boundary-layers-via-double-%C3%AE-bounce-back-flux-scheme
#7
Irina Ginzburg
Impact of the unphysical tangential advective-diffusion constraint of the bounce-back (BB) reflection on the impermeable solid surface is examined for the first four moments of concentration. Despite the number of recent improvements for the Neumann condition in the lattice Boltzmann method-advection-diffusion equation, the BB rule remains the only known local mass-conserving no-flux condition suitable for staircase porous geometry. We examine the closure relation of the BB rule in straight channel and cylindrical capillary analytically, and show that it excites the Knudsen-type boundary layers in the nonequilibrium solution for full-weight equilibrium stencil...
January 2017: Physical Review. E
https://www.readbyqxmd.com/read/28208379/prediction-of-the-moments-in-advection-diffusion-lattice-boltzmann-method-i-truncation-dispersion-skewness-and-kurtosis
#8
Irina Ginzburg
The effect of the heterogeneity in the soil structure or the nonuniformity of the velocity field on the modeled resident time distribution (RTD) and breakthrough curves is quantified by their moments. While the first moment provides the effective velocity, the second moment is related to the longitudinal dispersion coefficient (k_{T}) in the developed Taylor regime; the third and fourth moments are characterized by their normalized values skewness (Sk) and kurtosis (Ku), respectively. The purpose of this investigation is to examine the role of the truncation corrections of the numerical scheme in k_{T}, Sk, and Ku because of their interference with the second moment, in the form of the numerical dispersion, and in the higher-order moments, by their definition...
January 2017: Physical Review. E
https://www.readbyqxmd.com/read/28207804/spatio-temporal-dynamics-of-a-fish-predator-density-dependent-and-hydrographic-effects-on-baltic-sea-cod-population
#9
Valerio Bartolino, Huidong Tian, Ulf Bergström, Pekka Jounela, Eero Aro, Christian Dieterich, H E Markus Meier, Massimiliano Cardinale, Barbara Bland, Michele Casini
Understanding the mechanisms of spatial population dynamics is crucial for the successful management of exploited species and ecosystems. However, the underlying mechanisms of spatial distribution are generally complex due to the concurrent forcing of both density-dependent species interactions and density-independent environmental factors. Despite the high economic value and central ecological importance of cod in the Baltic Sea, the drivers of its spatio-temporal population dynamics have not been analytically investigated so far...
2017: PloS One
https://www.readbyqxmd.com/read/28207616/percutaneous-kyphoplasty-in-the-treatment-of-osteoblastic-related-spinal-metastases
#10
Hong-Tao Zhang, Guang-Dong Chen, Hui-Lin Yang, Zong-Ping Luo
STUDY DESIGN: A retrospective study. OBJECTIVE: To evaluate the feasibility, efficacy, and safety of percutaneous kyphoplasty (PKP) for the treatment of painful osteoblastic-related spinal metastases unresponsive to conservative treatments. SUMMARY OF BACKGROUND DATA: PKP represents a powerful tool in the management of oncology patients who suffer from painful osteolytic spinal lesions. However, to our knowledge, there have been no reports on the role of PKP in the treatment of osteoblastic metastatic spinal lesions...
March 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28198363/gut-memories-do-not-fade-epigenetic-regulation-of-lasting-gut-homing-receptor-expression-in-cd4-memory-t-cells
#11
B A Szilagyi, J Triebus, C Kressler, M de Almeida, S Tierling, P Durek, M Mardahl, A Szilagyi, S Floess, J Huehn, U Syrbe, J Walter, J K Polansky, A Hamann
The concept of a "topographical memory" in lymphocytes implies a stable expression of homing receptors mediating trafficking of lymphocytes back to the tissue of initial activation. However, a significant plasticity of the gut-homing receptor α4β7 was found in CD8(+) T cells, questioning the concept. We now demonstrate that α4β7 expression in murine CD4(+) memory T cells is, in contrast, imprinted and remains stable in the absence of the inducing factor retinoic acid (RA) or other stimuli from mucosal environments...
February 15, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/28188512/hepatic-abscess-in-the-spiegel-lobe-caused-by-foreign-body-penetration-report-of-a-case-report
#12
Yuki Fujiwara, Hiroaki Shiba, Yukio Nakabayashi, Masahiko Otsuka, Katsuhiko Yanaga
A 69-year-old male patient visited our hospital because of a continuous low-grade fever and right back pain since 2 weeks. Enhanced computed tomography (CT) of his abdomen revealed a mass with ring enhancement (35 × 30 mm) in the Spiegel lobe as well as a needle-like foreign body. Because conservative treatment by fasting and administration of antibiotics was unsuccessful, the patient underwent emergency laparotomy for removal of the foreign body and drainage of the liver abscess. The patient made a satisfactory postoperative recovery without complications and was discharged on the eighth postoperative day...
December 2017: Surgical Case Reports
https://www.readbyqxmd.com/read/28187543/new-data-on-the-taxonomy-ecology-and-conservation-of-the-rediscovered-i-louisea-i-i-edeaensis-i-bott-1969-brachyura-potamoidea-potamonautidae-an-endangered-freshwater-crab-from-cameroon
#13
Pierre A Mvogo Ndongo, Thomas VON Rintelen, Christoph D Schubart, Christian Albrecht, Joseph L Tamesse, Neil Cumberlidge
The rare and endangered Cameroonian potamonautid freshwater crab Louisea edeaensis (Bott, 1969) was recently rediscovered during a biological inventory of the freshwater decapods of southern Cameroon. The previous record dated back more than 100 years. The new specimens allow an updated diagnosis of the species based on comparisons of important taxonomic characters. Photographs of the carapace, gonopods, third maxillipeds, and chelipeds of the largest adult male specimen from Lake Ossa, Cameroon are provided, as are the first photographs of living specimens...
February 9, 2017: Zootaxa
https://www.readbyqxmd.com/read/28186919/observer-based-non-pdc-control-for-networked-t-s-fuzzy-systems-with-an-event-triggered-communication
#14
Chen Peng, Shaodong Ma, Xiangpeng Xie
This paper addresses the problem of an event-triggered non-parallel distribution compensation (PDC) control for networked Takagi-Sugeno (T-S) fuzzy systems, under consideration of the limited data transmission bandwidth and the imperfect premise matching membership functions. First, a unified event-triggered T-S fuzzy model is provided, in which: 1) a fuzzy observer with the imperfect premise matching is constructed to estimate the unmeasurable states of the studied system; 2) a fuzzy controller is designed following the same premise as the observer; and 3) an output-based event-triggering transmission scheme is designed to economize the restricted network resources...
February 7, 2017: IEEE Transactions on Cybernetics
https://www.readbyqxmd.com/read/28166968/interspecies-somatic-cell-nuclear-transfer-in-asiatic-cheetah-using-nuclei-derived-from-post-mortem-frozen-tissue-in-absence-of-cryo-protectant-and-in%C3%A2-vitro-matured-domestic-cat-oocytes
#15
F Moulavi, S M Hosseini, N Tanhaie-Vash, S Ostadhosseini, S H Hosseini, M Hajinasrollah, M H Asghari, H Gourabi, A Shahverdi, A D Vosough, M H Nasr-Esfahani
Recent accomplishments in the field of somatic cell nuclear transfer (SCNT) hold tremendous promise to prevent rapid loss of animal genetic resources using ex situ conservation technology. Most of SCNT studies use viable cells for nuclear transfer into recipient oocytes. However, preparation of live cells in extreme circumstances, in which post-mortem material of endangered/rare animals is improperly retained frozen, is difficult, if not impossible. This study investigated the possibility of interspecies-SCNT (iSCNT) in Asiatic cheetah (Acinonyx jubatus venaticus), a critically endangered subspecies, using nuclei derived from frozen tissue in absence of cryo-protectant at -20 °C and in vitro matured domestic cat oocytes...
March 1, 2017: Theriogenology
https://www.readbyqxmd.com/read/28161853/the-variability-of-vertebral-body-volume-and-pain-associated-with-osteoporotic-vertebral-fractures-conservative-treatment-versus-percutaneous-transpedicular-vertebroplasty
#16
Diana Andrei, Iulian Popa, Silviu Brad, Aida Iancu, Manuel Oprea, Cristina Vasilian, Dan V Poenaru
INTRODUCTION: Osteoporotic vertebral fractures (OVF) can lead to late collapse which often causes kyphotic spinal deformity, persistent back pain, decreased lung capacity, increased fracture risk and increased mortality. The purpose of our study is to compare the efficacy and safety of vertebroplasty against conservative management of osteoporotic vertebral fractures without neurologic symptoms. MATERIAL AND METHODS: A total of 66 patients with recent OVF on MRI examination were included in the study...
February 4, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28161490/structural-analysis-of-ribosomal-rack1-and-its-role-in-translational-control
#17
Maja Holch Nielsen, Rasmus Kock Flygaard, Lasse Bohl Jenner
Receptor for Activated C-Kinase 1 (RACK1) belongs to the WD40 family of proteins, known to act as scaffolding proteins in interaction networks. Accordingly, RACK1 is found to have numerous interacting partners ranging from kinases and signaling proteins to membrane bound receptors and ion channels. Interestingly, RACK1 has also been identified as a ribosomal protein present in all eukaryotic ribosomes. Structures of eukaryotic ribosomes have shown RACK1 to be located at the back of the head of the small ribosomal subunit...
February 1, 2017: Cellular Signalling
https://www.readbyqxmd.com/read/28158156/percutaneous-sacroplasty-for-non-neoplastic-osteoporotic-sacral-insufficiency-fractures
#18
Dong-Hwa Heo, Choon-Keun Park
BACKGROUND: Osteoporosis is an important problem in those of advanced age. Osteoporosis can induce sacral insufficiency fractures (SIFs). As average life expectancy increases, the number of patients with osteoporotic SIFs also increases. Osteoporotic SIFs cause severe low back pain and immobilization. Treatment of SIFs varies from analgesia to surgery. OBJECTIVES: To describe our experience and assess the safety and effectiveness of minimally invasive percutaneous sacroplasty in patients with osteoporotic SIFs...
February 2017: Pain Physician
https://www.readbyqxmd.com/read/28158154/percutaneous-vertebroplasty-for-symptomatic-schmorl-s-nodes-11-cases-with-long-term-follow-up-and-a-literature-review
#19
Shi-Cheng He, Bin-Yan Zhong, Hai-Dong Zhu, Wen Fang, Li Chen, Jin-He Guo, Gang Deng, Gao-Jun Teng
BACKGROUND: Percutaneous vertebroplasty (PVP) is commonly used to treat symptomatic vertebral compression fractures. However, its long-term effectiveness and safety for use in the treatment of symptomatic Schmorl's nodes (SNs) refractory to conservative treatment is uncertain. OBJECTIVES: To present a case series with PVP for symptomatic SNs not responding to conservative therapy and assess the effectiveness and safety for such treatment with long-term follow-up...
February 2017: Pain Physician
https://www.readbyqxmd.com/read/28155833/multiple-impulse-therapy-in-the-assessment-of-paraspinal-muscle-tone-in-patients-with-low-back-pain
#20
Robert Haładaj, Mirosław Topol
BACKGROUND: Back pain is quite common in contemporary society, whose expectations of an effective analgesic therapy in conservative treatment lead to a necessity of searching for new diagnostic and therapeutic methods in physiotherapy. Out of the numerous physical therapy methods, Multiple Impulse Therapy (MIT) deserves special consideration. This paper aims to present and analyse the outcomes of MIT concerning paraspinal muscle tone and pain intensity in patients with low back pain. MATERIAL AND METHODS: The study enrolled 117 patients (50 women and 67 men; average age of 45...
November 30, 2016: Ortopedia, Traumatologia, Rehabilitacja
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