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https://www.readbyqxmd.com/read/29780611/myelin-status-is-associated-with-change-in-functional-mobility-following-slope-walking-in-people-with-multiple-sclerosis
#1
E M King, M J Sabatier, M Hoque, T M Kesar, D Backus, M R Borich
Background: The level of myelin disruption in multiple sclerosis patients may impact the capacity for training-induced neuroplasticity and the magnitude of therapeutic response to rehabilitation interventions. Downslope walking has been shown to increase functional mobility in individuals with multiple sclerosis, but it is unclear if myelin status influences therapeutic response. Objective: The current study aimed to examine the relationship between baseline myelin status and change in functional mobility after a walking intervention...
April 2018: Multiple Sclerosis Journal—Experimental, Translational and Clinical
https://www.readbyqxmd.com/read/29776876/-efficacy-of-botulinum-toxin-a-injections-in-the-urethral-sphincter-in-patients-with-difficulties-to-perform-self-intermittent-catherization
#2
T Honore, F Le Breton, N Turmel, B Bignani, C Chesnel, A Charlanes, G Amarenco
PURPOSE: To evaluate safety and efficacy of botulinum toxin A injections in the urethral striated sphincter in patients with difficulties to perform self-intermittent catherization. METHODS: In this prospective study, 12 patients suffering from upper motor neuron diseases (8 multiple sclerosis, 2 myelitis, 1 brain injury, 1 multi system atrophy) and with difficulties to perform self-intermittent catherization, defined by a ICDQ score>1 (Intermittent Catheterization Difficulty Questionnaire) have had injections of 100U BOTOX® under EMG guidance in the urethral striated sphincter, for a total of 15 injections...
May 15, 2018: Progrès en Urologie
https://www.readbyqxmd.com/read/29764703/efficacy-and-safety-of-fingolimod-therapy-in-multi-ethnic-malaysian-patients-with-relapsing-remitting-multiple-sclerosis-a-longitudinal-observational-study
#3
S Viswanathan
No abstract text is available yet for this article.
May 12, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29763672/using-3d-spatial-correlations-to-improve-the-noise-robustness-of-multi-component-analysis-of-3d-multi-echo-quantitative-t2-relaxometry-data
#4
Dushyant Kumar, Hari Hariharan, Tobias D Faizy, Patrick Borchert, Susanne Siemonsen, Jens Fiehler, Ravinder Reddy, Jan Sedlacik
PURPOSE: We present a computationally feasible and iterative multi-voxel spatially regularized algorithm for myelin water fraction (MWF) reconstruction. This method utilizes 3D spatial correlations present in anatomical/pathological tissues and underlying B1+ -inhomogeneity or flip angle inhomogeneity to enhance the noise robustness of the reconstruction while intrinsically accounting for stimulated echo contributions using T2-distribution data alone. METHODS: Simulated data and in vivo data acquired using 3D non-selective multi-echo spin echo (3DNS-MESE) were used to compare the reconstruction quality of the proposed approach against those of the popular algorithm (the method by Prasloski et al...
May 12, 2018: NeuroImage
https://www.readbyqxmd.com/read/29761738/emsqol-29-prospective-validation-of-the-abbreviated-electronic-version-of-msqol-54
#5
Rosalba Rosato, Silvia Testa, Antonio Bertolotto, Francesco Scavelli, Ambra M Giovannetti, Paolo Confalonieri, Francesco Patti, Clara Grazia Chisari, Alessandra Lugaresi, Erika Pietrolongo, Maria Grazia Grasso, Ilaria Rossi, Anna Toscano, Barbara Loera, Andrea Giordano, Alessandra Solari
BACKGROUND: We recently devised a shortened version of the 54-item Multiple Sclerosis Quality of Life (MSQOL-54) in paper (MSQOL-29, consisting of 25 items forming 7 subscales and 4 single items, and one filter question for 3 'sexual function' items) and electronic format (eMSQOL-29). OBJECTIVES: To prospectively assess eMSQOL-29 psychometric properties, acceptability/equivalence versus MSQOL-29. METHODS: Multiple sclerosis (MS) patients ( n = 623; Expanded Disability Status Scale (EDSS) range 0...
May 1, 2018: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/29749635/microbial-and-metabolic-multi-omic-correlations-in-systemic-sclerosis-patients
#6
Chiara Bellocchi, Álvaro Fernández-Ochoa, Gaia Montanelli, Barbara Vigone, Alessandro Santaniello, Christian Milani, Rosa Quirantes-Piné, Isabel Borrás-Linares, Marco Ventura, Antonio Segura-Carrettero, Marta Eugenia Alarcón-Riquelme, Lorenzo Beretta
Intestinal microbiota has been associated with systemic autoimmune diseases, yet the functional consequences of these associations are elusive. We characterized the fecal microbiota (16S rRNA gene amplification and sequencing) and the plasma metabolome (high-performance liquid chromatography coupled to mass spectrometry) in 59 patients with systemic sclerosis (SSc) and 28 healthy controls (HCs). Microbial and metabolic data were cross-correlated to find meaningful associations after extensive data mining analysis and internal validation...
May 11, 2018: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/29729392/imaging-vascular-and-hemodynamic-features-of-the-brain-using-dynamic-susceptibility-contrast-and-dynamic-contrast-enhanced-mri
#7
C Chad Quarles, Laura C Bell, Ashley M Stokes
In the context of neurologic disorders, dynamic susceptibility contrast (DSC) and dynamic contrast enhanced (DCE) MRI provide valuable insights into cerebral vascular function, integrity, and architecture. Even after two decades of use, these modalities continue to evolve as their biophysical and kinetic basis is better understood, with improvements in pulse sequences and accelerated imaging techniques and through application of more robust and automated data analysis strategies. Here, we systematically review each of these elements, with a focus on how their integration improves kinetic parameter accuracy and the development of new hemodynamic biomarkers that provide sub-voxel sensitivity (e...
May 2, 2018: NeuroImage
https://www.readbyqxmd.com/read/29724765/imaging-differences-between-neuromyelitis-optica-spectrum-disorders-and-multiple-sclerosis-a-multi-institutional-study-in-japan
#8
H Tatekawa, S Sakamoto, M Hori, Y Kaichi, A Kunimatsu, K Akazawa, T Miyasaka, H Oba, T Okubo, K Hasuo, K Yamada, T Taoka, S Doishita, T Shimono, Y Miki
BACKGROUND AND PURPOSE: Both clinical and imaging criteria must be met to diagnose neuromyelitis optica spectrum disorders and multiple sclerosis. However, neuromyelitis optica spectrum disorders are often misdiagnosed as MS because of an overlap in MR imaging features. The purpose of this study was to confirm imaging differences between neuromyelitis optica spectrum disorders and MS with visually detailed quantitative analyses of large-sample data. MATERIALS AND METHODS: We retrospectively examined 89 consecutive patients with neuromyelitis optica spectrum disorders (median age, 51 years; range, 16-85 years; females, 77; aquaporin 4 immunoglobulin G-positive, 93%) and 89 with MS (median age, 36 years; range, 18-67 years; females, 68; relapsing-remitting MS, 89%; primary-progressive MS, 7%; secondary-progressive MS, 2%) from 9 institutions across Japan (April 2008 to December 2012)...
May 3, 2018: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/29722904/renal-complications-of-lipodystrophy-a-closer-look-at-the-natural-history-of-kidney-disease
#9
Baris Akinci, Sadiye Mehtat Unlu, Ali Celik, Ilgin Yildirim Simsir, Sait Sen, Banu Nur, Fatma Ela Keskin, Basak Ozgen Saydam, Nilufer Ozdemir Kutbay, Banu Sarer Yurekli, Bekir Ugur Ergur, Melda Sonmez, Tahir Atik, Atakan Arslan, Tevfik Demir, Canan Altay, Ulku Aybuke Tunc, Tugba Arkan, Ramazan Gen, Erdal Eren, Gulcin Akinci, Aslihan Arasli Yilmaz, Habip Bilen, Samim Ozen, Aygul Celtik, Senay Savas Erdeve, Semra Cetinkaya, Huseyin Onay, Sulen Sarioglu, Elif Arioglu Oral
OBJECTIVES: Lipodystrophy syndromes are a group of heterogeneous disorders characterized by adipose tissue loss. Proteinuria is a remarkable finding in previous reports. STUDY DESIGN: In this multi-center study, prospective follow-up data were collected from 103 subjects with non-HIV associated lipodystrophy registered in the Turkish Lipodystrophy Study Group database to study renal complications in treatment naïve patients with lipodystrophy. METHODS: Main outcome measures included ascertainment of chronic kidney disease (CKD) by studying the level of proteinuria and the estimated glomerular filtration rate (eGFR)...
May 3, 2018: Clinical Endocrinology
https://www.readbyqxmd.com/read/29722063/a-discrete-polar-stockwell-transform-for-enhanced-characterization-of-tissue-structure-using-mri
#10
Glen Pridham, Martijn D Steenwijk, Jeroen J G Geurts, Yunyan Zhang
PURPOSE: The purpose of this study was to present an effective algorithm for computing the discrete polar Stockwell transform (PST), investigate its unique multiscale and multi-orientation features, and explore potentially new applications including denoising and tissue segmentation. THEORY AND METHODS: We investigated PST responses using both synthetic and MR images. Moreover, we compared the features of PST with both Gabor and Morlet wavelet transforms, and compared the PST with two wavelet approaches for denoising using MRI...
May 2, 2018: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/29707700/multiple-sclerosis-lesion-segmentation-using-joint-label-fusion
#11
Mengjin Dong, Ipek Oguz, Nagesh Subbana, Peter Calabresi, Russell T Shinohara, Paul Yushkevich
This paper adapts the joint label fusion (JLF) multi-atlas image segmentation algorithm to the problem of multiple sclerosis (MS) lesion segmentation in multi-modal MRI. Conventionally, JLF requires a set of atlas images to be co-registered to the target image using deformable registration. However, given the variable spatial distribution of lesions in the brain, whole-brain deformable registration is unlikely to line up lesions between atlases and the target image. As a solution, we propose to first pre-segment the target image using an intensity regression based technique, yielding a set of "candidate" lesions...
September 2017: Patch-based techniques in medical imaging: third International Workshop, Patch-MI 2017, held in conjunction with MICCAI 2017, Quebec City, QC, Canada, September 14, 2017, Proceedings
https://www.readbyqxmd.com/read/29705812/imaging-assisted-diagnosis-and-characteristics-of-suspected-spinal-brucellosis-a-retrospective-study-of-72-cases
#12
Laiyong Tu, Xinmei Liu, Wenfei Gu, Zhenbin Wang, Enfeng Zhang, Aikenmu Kahar, Ge Chu, Jiang Zhao
BACKGROUND We clarified the imaging features of Brucella spondylitis to enhance our understanding of the disease and to minimize misdiagnosis. MATERIAL AND METHODS Imaging data (X-ray, computed tomography [CT], and magnetic resonance imaging [MRI] data) of 72 Brucella spondylitis patients treated from 2010 to 2017 were retrospectively analyzed; diagnoses was made by evaluating laboratory and pathological data. RESULTS X-ray films revealed changes in intervertebral space heights, the number of lateral osteophytes, and bone destruction, which were more severe in the following order: lumbosacral vertebrae (56 cases, 77...
April 29, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29699694/multi-disciplinary-clinical-protocol-for-the-diagnosis-of-bulbar-amyotrophic-lateral-sclerosis
#13
Rita Chiaramonte, Carmela Di Luciano, Ignazio Chiaramonte, Agostino Serra, Marco Bonfiglio
INTRODUCTION AND OBJECTIVES: The objective of this study was to examine the role of different specialists in the diagnosis of amyotrophic lateral sclerosis (ALS), to understand changes in verbal expression and phonation, respiratory dynamics and swallowing that occurred rapidly over a short period of time. MATERIALS AND METHODS: 22 patients with bulbar ALS were submitted for voice assessment, ENT evaluation, Multi-Dimensional Voice Program (MDVP), spectrogram, electroglottography, fiberoptic endoscopic evaluation of swallowing...
April 23, 2018: Acta Otorrinolaringológica Española
https://www.readbyqxmd.com/read/29696498/alemtuzumab-as-rescue-therapy-in-a-cohort-of-50-relapsing-remitting-ms-patients-with-breakthrough-disease-on-fingolimod-a-multi-center-observational-study
#14
Konstantin Huhn, Antonios Bayas, Sebastian Doerck, Benedikt Frank, Kathrin Gerbershagen, Kerstin Hellwig, Boris Kallmann, Christoph Kleinschnitz, Ingo Kleiter, De-Hyung Lee, Volker Limmroth, Mathias Mäurer, Sven Meuth, Peter Rieckmann, Tobias Ruck, Ralf Gold, Ralf A Linker
BACKGROUND: Relapsing-remitting multiple sclerosis (RRMS) requires efficient immunomodulatory treatment to reach "no evidence of disease activity" status at best. Alemtuzumab and fingolimod have proved to be efficient options in RRMS with active disease course. Yet, side effects and break-through disease may limit long-time treatment and necessitate switch of medication. Data on efficacy and safety of alemtuzumab following fingolimod treatment are limited, but useful for clinical practice...
April 25, 2018: Journal of Neurology
https://www.readbyqxmd.com/read/29649969/magnetic-resonance-imaging-for-assessment-of-cerebrovascular-reactivity-and-its-relationship-to-cognition-a-systematic-review
#15
Sarah J Catchlove, Andrew Pipingas, Matthew E Hughes, Helen Macpherson
BACKGROUND: Cerebrovascular reactivity (CVR) refers to the responsiveness of cerebral vasculature to vasoactive stimuli. CVR is an indicator of brain health and can be assessed using vasodilatory techniques and magnetic resonance imaging (MRI). Using such approaches, some researchers have explored the relationship between CVR and cognition; here we systematically review this work. RESULTS: We extracted information pertaining to: (1) study location and design, participant characteristics, sample sizes, (2) design of vascular challenge, end-tidal CO 2 (etCO 2 ) concentrations (if applicable), (3) MRI protocol, (4) cognitive assessment, (5) CVR values, and outcomes of statistical analyses with cognitive tests...
April 12, 2018: BMC Neuroscience
https://www.readbyqxmd.com/read/29619159/depression-and-anxiety-as-determinants-of-health-related-quality-of-life-in-patients-with-multiple-sclerosis-united-arab-emirates
#16
Taoufik Alsaadi, Khadija El Hammasi, Tarek M Shahrour, Mustafa Shakra, Lamya Turkawi, Wassim Nasreddine, Seada Kassie, Mufeed Raoof
To study the impact of depression and anxiety on health-related quality of life (HRQOL) in patients with multiple sclerosis (pwMS) in the UAE. All consecutive patients attending the MS clinic over a fourmonth period, October 2014 through February 2015, at Sheikh Khalifa Medical city (SKMC) were asked to complete The World Health Organization quality of life abbreviated scale (WHOQOL-BREF), the Patient Health Questionnaire nine-item (PHQ-9) depression scale, and Generalized Anxiety Disorder seven-item (GAD-7) scale...
December 11, 2017: Neurology International
https://www.readbyqxmd.com/read/29605801/prevalence-of-and-risk-factors-for-cognitive-impairment-in-patients-with-relapsing-remitting-multiple-sclerosis-multi-center-controlled-trial
#17
Serkan Ozakbas, Recai Turkoglu, Yusuf Tamam, Murat Terzi, Ozlem Taskapilioglu, Canan Yucesan, Hatice Limoncu Baser, Mehmet Gencer, Esref Akil, Sedat Sen, Omer Faruk Turan, Mine Hayriye Sorgun, Pinar Yigit, Nevin Turkes
BACKGROUND: Cognitive impairment (CI) is a common problem in multiple sclerosis (MS), may occur either in early or late phase of the disease, and impairs quality of life. OBJECTIVES: This study aimed to determine the prevalence of CI and related risk factors in relapsing-remitting MS (RRMS) patients in Turkey. METHODS: The present cross-sectional, multi-center, and nationally representative study included RRMS patients. Sociodemographic characteristics, cognitive functions and additional outcomes were compared between patients with and without CI...
March 24, 2018: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/29562556/how-does-strength-training-and-balance-training-affect-gait-and-fatigue-in-patients-with-multiple-sclerosis-a-study-protocol-of-a-randomized-controlled-trial
#18
Jacob Callesen, Davide Cattaneo, John Brincks, Ulrik Dalgas
INTRODUCTION: Multiple sclerosis (MS) is characterized by a demyelination that results in reduced conductivity in the somatosensory nervous system, decreased muscle strength, vestibular alteration, and severe fatigue. Progressive resistance training (PRT) has proven to be a promising intervention showing a positive effect on muscle strength. Another promising intervention frequently used in neuro-rehabilitation is task specific training where also Balance and Motor Control Training (BMCT) are incorporated...
2018: NeuroRehabilitation
https://www.readbyqxmd.com/read/29561895/untangling-the-r2-contrast-in-multiple-sclerosis-a-combined-mri-histology-study-at-7-0-tesla
#19
Francesca Bagnato, Simon Hametner, Emma Boyd, Verena Endmayr, Yaping Shi, Vasiliki Ikonomidou, Guanhua Chen, Siddharama Pawate, Hans Lassmann, Seth Smith, E Brian Welch
T2*-weighted multi-echo gradient-echo magnetic resonance imaging and its reciprocal R2* are used in brain imaging due to their sensitivity to iron content. In patients with multiple sclerosis who display pathological alterations in iron and myelin contents, the use of R2* may offer a unique way to untangle mechanisms of disease. Coronal slices from 8 brains of deceased multiple sclerosis patients were imaged using a whole-body 7.0 Tesla MRI scanner. The scanning protocol included three-dimensional (3D) T2*-w multi-echo gradient-echo and 2D T2-w turbo spin echo (TSE) sequences...
2018: PloS One
https://www.readbyqxmd.com/read/29535807/the-non-neuronal-cyclin-dependent-kinase-5-is-a-fibrotic-mediator-potentially-implicated-in-systemic-sclerosis-and-a-novel-therapeutic-target
#20
Jun Wei, Roberta G Marangoni, Feng Fang, Wenxia Wang, Jingang Huang, Joerg H W Distler, John Varga
The mechanisms underlying persistent fibroblast activation and myofibroblast phenoconversion in underlying multi-organ fibrosis in systemic sclerosis (SSc) remain incompletely understood, hindering effective therapies to slow or reverse the process. Cyclin-dependent kinase 5 (CDK5) is a pleiotropic member of the CDK family originally identified in neuronal cells. In contrast to other CDKs, CDK5 activity depends on its CDK5R1 subunit p35. Here we demonstrate that expression of p35 and CDK5 activity are induced by TGF-ß in fibroblasts and adipocytic cell types...
February 13, 2018: Oncotarget
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