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Inferior Olive

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https://www.readbyqxmd.com/read/28094198/late-side-effects-and-cosmetic-results-of-accelerated-partial-breast-irradiation-with-interstitial-brachytherapy-versus-whole-breast-irradiation-after-breast-conserving-surgery-for-low-risk-invasive-and-in-situ-carcinoma-of-the-female-breast-5-year-results
#1
Csaba Polgár, Oliver J Ott, Guido Hildebrandt, Daniela Kauer-Dorner, Hellen Knauerhase, Tibor Major, Jaroslaw Lyczek, José Luis Guinot, Jürgen Dunst, Cristina Gutierrez Miguelez, Pavel Slampa, Michael Allgäuer, Kristina Lössl, Bülent Polat, György Kovács, Arnt-René Fischedick, Rainer Fietkau, Alexandra Resch, Anna Kulik, Leo Arribas, Peter Niehoff, Ferran Guedea, Annika Schlamann, Richard Pötter, Christine Gall, Wolfgang Uter, Vratislav Strnad
BACKGROUND: We previously confirmed the non-inferiority of accelerated partial breast irradiation (APBI) with interstitial brachytherapy in terms of local control and overall survival compared with whole-breast irradiation for patients with early-stage breast cancer who underwent breast-conserving surgery in a phase 3 randomised trial. Here, we present the 5-year late side-effects and cosmetic results of the trial. METHODS: We did this randomised, controlled, phase 3 trial at 16 centres in seven European countries...
January 13, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28077261/ventral-medullary-control-of-rapid-eye-movement-sleep-and-atonia
#2
Michael C Chen, Ramalingam Vetrivelan, Chun-Ni Guo, Catie Chang, Patrick M Fuller, Jun Lu
Discrete populations of neurons at multiple levels of the brainstem control rapid eye movement (REM) sleep and the accompanying loss of postural muscle tone, or atonia. The specific contributions of these brainstem cell populations to REM sleep control remains incompletely understood. Here we show in rats that viral vector-based lesions of the ventromedial medulla at a level rostral to the inferior olive (pSOM) produced violent myoclonic twitches and abnormal electromyographic spikes, but not complete loss of tonic atonia, during REM sleep...
January 7, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28032320/no-medium-term-spinocerebellar-input-plasticity-in-deep-cerebellar-nuclear-neurons-in-vivo
#3
Hannes Mogensen, Fredrik Bengtsson, Henrik Jörntell
The existence of input plasticity in the deep cerebellar nuclear (DCN) cells of the adult cerebellum could have profound implications for our understanding of cerebellar function. Whereas the existence of plastic changes in mossy fiber (mf) synaptic responses in DCN neurons has been demonstrated in juvenile slices, there has so far been no direct demonstration of this form of plasticity in the adult cerebellum in vivo. In the present paper, we recorded from neurons in the anterior interposed nucleus (AIN) and stimulated the spinocerebellar tracts (SCT) directly or via the skin to obtain mf activation and the inferior olive to activate climbing fibers (cfs) in the nonanesthetized, adult, decerebrated cat...
December 28, 2016: Cerebellum
https://www.readbyqxmd.com/read/28007627/clinical-outcome-of-alk-positive-non-small-cell-lung-cancer-nsclc-patients-with-de-novo-egfr-or-kras-co-mutations-receiving-tyrosine-kinase-inhibitors-tki
#4
Sabine Schmid, Oliver Gautschi, Sacha Rothschild, Michael Mark, Patrizia Froesch, Dirk Klingbiel, Hermann Reichegger, Wolfram Jochum, Joachim Diebold, Früh Martin
BACKGROUND: Non-small cell lung cancer (NSCLC) with de novo anaplastic lymphoma kinase (ALK) rearrangements and epidermal growth factor receptor (EGFR) or Kirsten rat sarcoma viral oncogene homolog (KRAS) mutations co-occur very rarely. Outcomes with tyrosine kinase inhibitors (TKIs) in these patients (pts) are poorly understood. METHODS: Outcomes of pts with metastatic NSCLC de novo co- alterations of ALK/EGFR or ALK/KRAS detected by FISH (ALK) and sequencing (EGFR/KRAS) from six Swiss centres were analysed...
December 19, 2016: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/27986589/3-acetylpyridine-neurotoxicity-in-mice
#5
L Wecker, B Marrero-Rosado, M E Engberg, B E Johns, R M Philpot
3-acetylpyridine (3-AP) is a metabolic antagonist used in research to decrease levels of nicotinamide (niacinamide) in laboratory animals. The administration of 3-AP followed by nicotinamide to rats leads to the selective destruction of neurons in the medial inferior olive, resulting in a loss of climbing fibers innervating cerebellar Purkinje cells and a consequent ataxia manifest by alterations in both balance and gait. Although 3-AP has also been administered to mice to destroy neurons in the inferior olive, there are limited studies quantifying the consequent effects on balance, and no studies on gait...
December 13, 2016: Neurotoxicology
https://www.readbyqxmd.com/read/27984051/brain-endothelial-dysfunction-following-pyrithiamine-induced-thiamine-deficiency-in-the-rat
#6
Sumit Sarkar, Serguei Liachenko, Merle G Paule, John Bowyer, Joseph P Hanig
Prolonged vitamin B1 (thiamine) deficiency can lead to neurological disorders such as Wernicke's encephalopathy and Wernicke-Korsakoff Syndrome (WKS) in humans. These thiamine deficiency disorders have been attributed to vascular leakage, blood-brain barrier breakdown and neuronal loss in the diencephalon and brain stem. However, endothelial dysfunction following thiamine deficiency and its relationship to the phenomenon of neurodegeneration has not been clearly elucidated. The present study sought to begin to address this issue by evaluating vascular morphology and integrity in a pyrithiamine (PT)-induced rat model of thiamine deficiency...
October 28, 2016: Neurotoxicology
https://www.readbyqxmd.com/read/27903015/neurosurgical-resident-training-in-germany
#7
Martin N Stienen, Jens Gempt, Oliver P Gautschi, Andreas K Demetriades, David Netuka, Dominique E Kuhlen, Karl Schaller, Florian Ringel
Introduction Efficient neurosurgical training is of paramount importance to provide continuing high-quality medical care to patients. In this era of law-enforced working hour restrictions, however, maintaining high-quality training can be a challenge and requires some restructuring. We evaluated the current status of resident training in Germany. Methods An electronic survey was sent to European neurosurgical trainees between June 2014 and March 2015. The responses of German trainees were compared with those of trainees from other European countries...
November 30, 2016: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/27873048/the-usefulness-of-radiological-grading-scales-to-predict-pain-intensity-functional-impairment-and-health-related-quality-of-life-after-surgery-for-lumbar-degenerative-disc-disease
#8
Oliver P Gautschi, Martin N Stienen, Holger Joswig, Nicolas R Smoll, Karl Schaller, Marco V Corniola
PURPOSE: The goal of this study is to determine the relationship of radiological grading scales of lumbar degenerative disc disease (DDD) with postoperative pain intensity, functional impairment, and health-related quality of life (HRQoL). METHODS: Response to surgical treatment at 6 weeks (W6) on the visual analogue scale (VAS) for back and leg pain, Oswestry-Disability (ODI) and Roland-Morris Disability Index (RMDI), Timed Up and Go (TUG) test, EuroQol (EQ) 5D, and Short-Form Health-Survey (SF-12) physical component summary (PCS) was compared between patients with different Modic (MOD) and Pfirrmann (PFI) grades...
February 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/27859792/ex-vivo-liver-resection-with-replacement-of-inferior-vena-cava-without-the-use-of-cardiopulmonary-bypass-in-a-patient-with-metastatic-adrenocortical-carcinoma
#9
Stipislav Jadrijević, Oliver Šuman, Daniel Martin Jakus, Pavo Kostopeč, Nataša Višković Filipčić, Karin Zibar
No abstract text is available yet for this article.
November 8, 2016: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/27832380/endoscopic-approach-routes-in-the-posterior-fossa-cisterns-through-the-retrosigmoid-keyhole-craniotomy-an-anatomical-study
#10
Peter Kurucz, Gabor Baksa, Lajos Patonay, Firas Thaher, Michael Buchfelder, Oliver Ganslandt
Endoscopy in cerebellopontine angle surgery is an increasingly used technique. Despite of its advantages, the shortcomings arising from the complex anatomy of the posterior fossa are still preventing its widespread use. To overcome these drawbacks, the goal of this study was to define the anatomy of different endoscopic approaches through the retrosigmoid craniotomy and their limitations by surgical windows. Anatomical dissections were performed on 25 fresh human cadavers to describe the main approach-routes...
November 10, 2016: Neurosurgical Review
https://www.readbyqxmd.com/read/27801958/nasal-obstructive-disorders-induce-medical-treatment-failure-in-paediatric-persistent-allergic-rhinitis-the-nodpar-study
#11
Franklin S Mariño-Sánchez, Meritxell Valls-Mateus, Karen Ruiz-Echevarría, Isam Alobid, Paulina Cardenas-Escalante, Rosa Jiménez-Feijoo, Jaime Lozano-Blasco, María T Giner-Muñoz, Jesús Rodríguez-Jorge, Oliver Haag, Ana M Plaza-Martin, Joaquim Mullol
BACKGROUND: Allergic rhinitis (AR) is the most common chronic disease among children. To characterize the disease, a modified classification of severity (m-ARIA) has recently been validated in AR children. When medical treatment fails, surgery for nasal obstructive disorders (NOD) may be a therapeutic option. Our objective was to assess the prevalence of NOD and their influence in medical treatment response among children with persistent AR (PER). METHODS: In a prospective, real-life study, 130 paediatric PER patients (13...
November 1, 2016: Pediatric Allergy and Immunology
https://www.readbyqxmd.com/read/27773445/abdominal-organ-motion-during-inhalation-and-exhalation-breath-holds-pancreatic-motion-at-different-lung-volumes-compared
#12
Eelco Lens, Oliver J Gurney-Champion, Daniël R Tekelenburg, Zdenko van Kesteren, Michael J Parkes, Geertjan van Tienhoven, Aart J Nederveen, Astrid van der Horst, Arjan Bel
PURPOSE: Contrary to what is commonly assumed, organs continue to move during breath-holding. We investigated the influence of lung volume on motion magnitude during breath-holding and changes in velocity over the duration of breath-holding. MATERIALS AND METHODS: Sixteen healthy subjects performed 60-second inhalation breath-holds in room-air, with lung volumes of ∼100% and ∼70% of the inspiratory capacity, and exhalation breath-holds, with lung volumes of ∼30% and ∼0% of the inspiratory capacity...
November 2016: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/27767209/active-integration-of-glutamatergic-input-to-the-inferior-olive-generates-bi-directional-postsynaptic-potentials
#13
Derek Garden, Arianna Rinaldi, Matthew F Nolan
The inferior olive plays a critical role in motor coordination and learning by integrating diverse afferent signals to generate climbing fibre inputs to the cerebellar cortex. While it is well established that climbing fibre signals are important for motor coordination, the mechanisms by which neurones in the inferior olive integrate synaptic inputs and the roles of particular ion channels are unclear. Here, we test the hypothesis that neurones in the inferior olive actively integrate glutamatergic synaptic inputs...
October 21, 2016: Journal of Physiology
https://www.readbyqxmd.com/read/27749342/subarachnoid-hemorrhage-patients-admitted-to-intensive-care-in-australia-and-new-zealand-a-multicenter-cohort-analysis-of-in-hospital-mortality-over-15-years
#14
Andrew A Udy, Chelsey Vladic, Edward Robert Saxby, Jeremy Cohen, Anthony Delaney, Oliver Flower, Matthew Anstey, Rinaldo Bellomo, David James Cooper, David V Pilcher
OBJECTIVE: The primary aim of this study was to describe in-hospital mortality in subarachnoid hemorrhage patients requiring ICU admission. Secondary aims were to identify clinical characteristics associated with inferior outcomes, to compare subarachnoid hemorrhage mortality with other neurological diagnoses, and to explore the variability in subarachnoid hemorrhage standardized mortality ratios. DESIGN: Multicenter, binational, retrospective cohort study. SETTING: Data were extracted from the Australian and New Zealand Intensive Care Society Centre for Outcome and Resource Evaluation Adult Patient Database...
February 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/27733568/nucleus-prepositus-hypoglossi-lesions-produce-a-unique-ocular-motor-syndrome
#15
Sung-Hee Kim, David S Zee, Sascha du Lac, Hyo Jung Kim, Ji-Soo Kim
OBJECTIVE: To describe the ocular motor abnormalities in 9 patients with a lesion involving the nucleus prepositus hypoglossi (NPH), a key constituent of a vestibular-cerebellar-brainstem neural network that ensures that the eyes are held steady in all positions of gaze. METHODS: We recorded eye movements, including the vestibulo-ocular reflex during head impulses, in patients with vertigo and a lesion involving the NPH. RESULTS: Our patients showed an ipsilesional-beating spontaneous nystagmus, horizontal gaze-evoked nystagmus more intense on looking toward the ipsilesional side, impaired pursuit more to the ipsilesional side, central patterns of head-shaking nystagmus, contralateral eye deviation, and decreased vestibulo-ocular reflex gain during contralesionally directed head impulses...
November 8, 2016: Neurology
https://www.readbyqxmd.com/read/27716274/current-perspectives-on-cardiovascular-outcome-trials-in-diabetes
#16
REVIEW
Oliver Schnell, Lars Rydén, Eberhard Standl, Antonio Ceriello
Cardiovascular disease (CVD) is one of the most common diabetes-associated complications, as well as a leading cause for death in type 2 diabetes patients (T2D). Despite the well-known correlation between the two, up until the 2008 FDA industry guidance for licensing of new anti-hyperglycemic drugs, which required an investigation of cardiovascular outcomes (CVO) of glucose-lowering agents, only a few studies had looked into the relationship between glucose lowering drugs and cardiovascular (CV) risk. Thereafter, CVOT design has focused on non-inferiority short-term studies on high-risk patient populations aiming at capturing CV safety issues...
October 1, 2016: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/27626964/chaotic-resonance-in-coupled-inferior-olive-neurons-with-the-llin%C3%A3-s-approach-neuron-model
#17
Sou Nobukawa, Haruhiko Nishimura
It is well known that cerebellar motor control is fine-tuned by the learning process adjusted according to rich error signals from inferior olive (IO) neurons. Schweighofer and colleagues proposed that these signals can be produced by chaotic irregular firing in the IO neuron assembly; such chaotic resonance (CR) was replicated in their computer demonstration of a Hodgkin-Huxley (HH)-type compartment model. In this study, we examined the response of CR to a periodic signal in the IO neuron assembly comprising the Llinás approach IO neuron model...
September 14, 2016: Neural Computation
https://www.readbyqxmd.com/read/27620513/dopaminergic-projections-of-the-subparafascicular-thalamic-nucleus-to-the-auditory-brainstem
#18
Alexander A Nevue, Richard A Felix, Christine V Portfors
Neuromodulators can alter the response properties of sensory neurons, including those in the auditory system. Dopamine, which plays a major role in reward and movement, has been shown to alter neural responses in the auditory brainstem and midbrain. Recently we identified the subparafascicular thalamic nucleus (SPF), part of the A11 dopaminergic cell group, as the source of dopamine to the inferior colliculus (IC). The superior olivary complex (SOC) is also a likely target of dopaminergic projections from the SPF because it receives projections from the SPF and contains fibers and terminals immunoreactive for tyrosine hydroxylase, the rate limiting enzyme in dopamine synthesis...
November 2016: Hearing Research
https://www.readbyqxmd.com/read/27595834/prospective-evaluation-of-reduced-dose-computed-tomography-for-the-detection-of-low-contrast-liver-lesions-direct-comparison-with-concurrent-standard-dose-imaging
#19
B Dustin Pooler, Meghan G Lubner, David H Kim, Oliver T Chen, Ke Li, Guang-Hong Chen, Perry J Pickhardt
OBJECTIVES: To prospectively compare the diagnostic performance of reduced-dose (RD) contrast-enhanced CT (CECT) with standard-dose (SD) CECT for detection of low-contrast liver lesions. METHODS: Seventy adults with non-liver primary malignancies underwent abdominal SD-CECT immediately followed by RD-CECT, aggressively targeted at 60-70 % dose reduction. SD series were reconstructed using FBP. RD series were reconstructed with FBP, ASIR, and MBIR (Veo). Three readers-blinded to clinical history and comparison studies-reviewed all series, identifying liver lesions ≥4 mm...
September 5, 2016: European Radiology
https://www.readbyqxmd.com/read/27590050/influence-of-obesity-on-the-outcome-of-non-surgical-periodontal-therapy-a-systematic-review
#20
Fabienne A Gerber, Philipp Sahrmann, Oliver A Schmidlin, Christian Heumann, Jürg Hans Beer, Patrick R Schmidlin
BACKGROUND: Obesity and periodontitis are important chronic health problems. Obesity is associated with an increased prevalence of periodontitis. Whether obesity also affects the outcome of non-surgical periodontal therapy is to date still unclear. METHODS: A systematic review of studies referenced in SCOPUS, MEDLINE, PubMed, Cochrane, CINAHL, Biosis and Web of Science was performed. Titles, abstracts and finally full texts were scrutinized for possible inclusion by two independent investigators...
2016: BMC Oral Health
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