keyword
MENU ▼
Read by QxMD icon Read
search

Structural mri

keyword
https://www.readbyqxmd.com/read/27933697/total-magnetic-resonance-imaging-burden-of-cerebral-small-vessel-disease-is-associated-with-post-stroke-depression-in-patients-with-acute-lacunar-stroke
#1
X Zhang, Y Tang, Y Xie, C Ding, J Xiao, X Jiang, H Shan, Y Lin, C Li, D Hu, T Li, L Sheng
BACKGROUND AND PURPOSE: Despite extensive studies on post-stroke depression (PSD), the role of the total burden of cerebral small-vessel disease (cSVD) in its pathogenesis remains unclear. METHODS: We conducted a magnetic resonance imaging (MRI)-based cohort study to investigate the relationship between total MRI burden of cSVD and PSD among patients with first-ever lacunar stroke. From June 2013 to January 2016, 374 patients were consecutively recruited. PSD was identified using the Chinese version of the Structured Clinical Interview for DSM-IV...
December 9, 2016: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/27933207/what-is-the-reliability-of-non-trained-investigators-in-recognising-structural-mri-lesions-of-sacroiliac-joints-in-patients-with-recent-inflammatory-back-pain-results-of-the-desir-cohort
#2
Charlotte Jacquemin, Roxana Rubio Vargas, Rosaline van den Berg, Fabrice Thévenin, Gregory Lenczner, Monique Reijnierse, Salah Ferkal, Philippe Le Corvoisier, Alain Rahmouni, Damien Loeuille, Antoine Feydy, Maxime Dougados, Désirée van der Heijde, Pascal Claudepierre
OBJECTIVE: The objective of this study was to evaluate the reliability of recognising structural lesions on MRI (erosions, fatty lesions, ankylosis) of the sacroiliac joints (MRI-SIJ) in clinical practice compared to a central reading in patients with a possible recent axial spondyloarthritis (axSpA). METHODS: Patients aged 18-50 years, with recent (<3 years) and chronic (≥3 months) inflammatory back pain, suggestive of axSpA were included in the DEvenir des Spondyloarthrites Indifférenciées Récentes (DESIR) cohort...
2016: RMD Open
https://www.readbyqxmd.com/read/27932978/gender-specific-re-organization-of-resting-state-networks-in-older-age
#3
Aimée Goldstone, Stephen D Mayhew, Izabela Przezdzik, Rebecca S Wilson, Joanne R Hale, Andrew P Bagshaw
Advancing age is commonly associated with changes in both brain structure and function. Recently, the suggestion that alterations in brain connectivity may drive disruption in cognitive abilities with age has been investigated. However, the interaction between the effects of age and gender on the re-organization of resting-state networks is not fully understood. This study sought to investigate the effect of both age and gender on intra- and inter-network functional connectivity (FC) and the extent to which resting-state network (RSN) node definition may alter with older age...
2016: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/27932248/effect-of-template-reporting-of-brain-mris-for-multiple-sclerosis-on-report-thoroughness-and-neurologist-rated-quality-results-of-a-prospective-quality-improvement-project
#4
Elliot Dickerson, Matthew S Davenport, Faiz Syed, Olaf Stuve, Jeffrey A Cohen, John R Rinker, Myla D Goldman, Benjamin M Segal, Bradley R Foerster
PURPOSE: To assess the impact of structured reporting templates on the objective and subjective quality of radiology reports for brain MRIs in patients with multiple sclerosis (MS). METHODS: A HIPAA-compliant prospective quality improvement initiative was undertaken to develop and implement a 12-item structured reporting template for brain MRI examinations in patients with known or suspected MS based on published guidelines. Reports created 1 year before implementing the template served as the baseline...
December 5, 2016: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/27932151/kidney-transplantation-with-ultralong-term-42-years-survival-of-a-100-year-old-graft
#5
E Nascimento, F M Lucas-Junior, R A Fabreti-Oliveira, B Vilela, E R F Tavora, J P L Silva, A Salomão-Filho
BACKGROUND: In kidney transplantation, long-term graft survival has improved over the last few decades. Study to understand ultralong-term graft survival with graft functioning is rare, but a few researchers have tried to explain the factors involved in long-term graft survival. In this report, we explore the predictive factors that can be involved in ultralong-term graft survival. MATERIAL AND METHODS: Immunologic evaluations of the patients were performed using crossmatch (XM), serological, and high-resolution HLA typing for 8 loci...
November 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27931964/imaging-in-paediatric-rheumatology-is-it-time-for-imaging
#6
REVIEW
Paz Collado, Clara Malattia
Juvenile idiopathic arthritis (JIA) is a heterogeneous group of arthritides characterized by chronic synovial inflammation that can lead to structural damage. The main objective of JIA therapies is to induce disease control to avoid disability in childhood. The advances in therapeutic effectiveness have created a need to search for imaging tools that describe more precisely disease activity in children with JIA. Musculoskeletal ultrasound and magnetic resonance imaging have demonstrated to be more sensitive than clinical examination in early detection of synovitis...
August 2016: Best Practice & Research. Clinical Rheumatology
https://www.readbyqxmd.com/read/27931960/imaging-of-osteoarthritis-oa-what-is-new
#7
REVIEW
Alexander Mathiessen, Marco Amedeo Cimmino, Hilde Berner Hammer, Ida Kristin Haugen, Annamaria Iagnocco, Philip G Conaghan
In daily clinical practice, conventional radiography is still the most applied imaging technique to supplement clinical examination of patients with suspected osteoarthritis (OA); it may not always be needed for diagnosis. Modern imaging modalities can visualize multiple aspects of the joint, and depending on the diagnostic need, radiography may no longer be the modality of choice. Magnetic resonance imaging (MRI) provides a complete assessment of the joint and has a pivotal role in OA research. Computed tomography (CT) and nuclear medicine offer alternatives in research scenarios, while ultrasound can visualize bony and soft-tissue pathologies and is highly feasible in the clinic...
August 2016: Best Practice & Research. Clinical Rheumatology
https://www.readbyqxmd.com/read/27931958/imaging-in-the-diagnosis-and-management-of-peripheral-psoriatic-arthritis-the-clinical-utility-of-magnetic-resonance-imaging-and-ultrasonography
#8
REVIEW
Mikkel Østergaard, Lihi Eder, Sara Nysom Christiansen, Gurjit S Kaeley
Psoriatic arthritis (PsA) is an inflammatory joint disease characterised by the presence of arthritis and often enthesitis and/or spondylitis in patients with psoriasis. However, it presents a wide range of disease manifestations in various patterns. Imaging is an important part of management of PsA, and is used for multiple reasons including establishing/confirming a diagnosis of inflammatory joint disease, determining the extent of disease, monitoring activity and damage, assessing therapeutic efficacy, and identifying complications of disease or treatment, in the setting of clinical practice or clinical studies...
August 2016: Best Practice & Research. Clinical Rheumatology
https://www.readbyqxmd.com/read/27931957/imaging-in-the-diagnosis-and-management-of-axial-spondyloarthritis
#9
REVIEW
Xenophon Baraliakos, Walter P Maksymowych
Magnetic resonance imaging (MRI) is the imaging modality of choice for diagnosing axial spondyloarthritis (SpA) when the pelvic radiograph is normal or equivocal. Subchodral bone marrow edema (BME) is the primary feature of early SpA, although structural changes, particularly erosions, may also be seen at an early stage. It is unclear whether incorporation of structural lesions enhances the classification performance of a positive MRI definition based on BME alone. Neither spinal imaging nor contrast-enhanced imaging are useful for routine diagnostic evaluation...
August 2016: Best Practice & Research. Clinical Rheumatology
https://www.readbyqxmd.com/read/27931956/diagnosis-and-management-of-rheumatoid-arthritis-what-is-the-current-role-of-established-and-new-imaging-techniques-in-clinical-practice
#10
REVIEW
Maria Antonietta D'Agostino, Espen A Haavardsholm, Conny J van der Laken
Ultrasound and magnetic resonance imaging (MRI) have become established imaging techniques for the management of rheumatoid arthritis. Several publications have pointed out the advantages of these techniques for a more complete evaluation of the inflammation and structural damage at joint level. Recently new imaging techniques as the positron emission tomography (PET) associated with computed tomography (CT) or MRI scan, and the optical imaging have been introduced in the panorama. This article presents the advantages and limitations of each imaging techniques in light with the recent publications...
August 2016: Best Practice & Research. Clinical Rheumatology
https://www.readbyqxmd.com/read/27931227/epigenetics-of-amphetamine-induced-sensitization-hdac5-expression-and-microrna-in-neural-remodeling
#11
Philip K Liu, Christina H Liu
BACKGROUND: Histone deacetylase (HDAC) activities modify chromatin structure and play a role in learning and memory during developmental processes. Studies of adult mice suggest HDACs are involved in neural network remodeling in brain repair, but its function in drug addiction is less understood. We aimed to examine in vivo HDAC5 expression in a preclinical model of amphetamine-induced sensitization (AIS) of behavior. We generated specific contrast agents to measure HDAC5 levels by in vivo molecular contrast-enhanced (MCE) magnetic resonance imaging (MRI) in amphetamine-naïve mice as well as in mice with AIS...
December 8, 2016: Journal of Biomedical Science
https://www.readbyqxmd.com/read/27931057/-quantification-of-ventilation-inflammation-perfusion-and-structure-vips
#12
J Renne, J Vogel-Claussen
Technical innovation in pulmonary imaging during the recent years has led to a shift from morphological description of pulmonary pathologies to regional quantification of pulmonary function. This article summarizes current clinical standards in pulmonary imaging and introduces the reader to new innovative techniques of functional lung imaging. In the context of actual clinical studies for COPD, asthma, pulmonary hypertension and cystic fibrosis the application of quantitative imaging methods using computed tomography and magnetic resonance imaging is demonstrated and possible future applications are discussed...
December 2016: Pneumologie
https://www.readbyqxmd.com/read/27930915/anatomical-dysconnectivity-in-bipolar-disorder-compared-with-schizophrenia-a-selective-review-of-structural-network-analyses-using-diffusion-mri
#13
REVIEW
Stefani O'Donoghue, Laurena Holleran, Dara M Cannon, Colm McDonald
BACKGROUND: The dysconnectivity hypothesis suggests that psychotic illnesses arise not from regionally specific focal pathophysiology, but rather from impaired neuroanatomical integration across networks of brain regions. Decreased white matter organization has been hypothesized to be a feature of psychotic illnesses in general, which is supported by meta-analyses of DTI studies in bipolar disorder and schizophrenia. Although many diffusion MRI studies investigate bipolar disorder and schizophrenia alone, relatively few studies directly compare structural features in these psychotic illnesses...
November 17, 2016: Journal of Affective Disorders
https://www.readbyqxmd.com/read/27929667/optimizing-mri-logistics-focused-process-improvements-can-increase-throughput-in-an-academic-radiology-department
#14
Jeremy J O'Brien, Jeremy Stormann, Kelli Roche, Ines Cabral-Goncalves, Annamarie Monks, Donna Hallett, Koenraad J Mortele
OBJECTIVE: The purpose of this study was to describe and evaluate the effect of focused process improvements on protocol selection and scheduling in the MRI division of a busy academic medical center, as measured by examination and room times, magnet fill rate, and potential revenue increases and cost savings to the department. MATERIALS AND METHODS: Focused process improvements, led by a multidisciplinary team at a large academic medical center, were directed at streamlining MRI protocols and optimizing matching protocol ordering to scheduling while maintaining or improving image quality...
December 8, 2016: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/27928780/elective-laparoscopic-deroofing-to-treat-the-spontaneous-rupture-of-a-large-simple-liver-cyst-a-case-report
#15
Yuki Imaoka, Masahiro Ohira, Tsuyoshi Kobayashi, Seiichi Shimizu, Hiroyuki Tahara, Shintaro Kuroda, Kentaro Ide, Kohei Ishiyama, Hideki Ohdan
BACKGROUND: The spontaneous rupture of nonparasitic liver cysts (NLC) is sometimes seen in clinical practice. However, there are no guidelines that describe the optimal treatment strategy and the surgical indications for an NLC rupture due to a small number of reports. Here, we present a case who underwent elective laparoscopic deroofing to treat a spontaneously ruptured NLC that had undergone conservative treatment. CASE PRESENTATION: A 67-year-old woman was referred to our hospital for the evaluation of acute abdominal pain after the conservative treatment of an NLC at another hospital...
December 2016: Surgical Case Reports
https://www.readbyqxmd.com/read/27928029/local-changes-in-network-structure-contribute-to-late-communication-recovery-after-severe-brain-injury
#16
Daniel J Thengone, Henning U Voss, Esteban A Fridman, Nicholas D Schiff
Spontaneous recovery of brain function after severe brain injury may evolve over a long time period and is likely to involve both structural and functional reorganization of brain networks. We longitudinally tracked the recovery of communication in a patient with severe brain injury using multimodal brain imaging techniques and quantitative behavioral assessments measured at the bedside over a period of 2 years and 9 months (21 months after initial injury). Structural diffusion tensor imaging revealed changes in brain structure across interhemispheric connections and in local brain regions that support language and visuomotor function...
December 7, 2016: Science Translational Medicine
https://www.readbyqxmd.com/read/27927083/measurement-of-peripheral-vision-reaction-time-identifies-white-matter-disruption-in-patients-with-mild-traumatic-brain-injury
#17
Kyle B Womack, Christopher Paliotta, Jeremy F Strain, Johnson S Ho, Yosef S Skolnick, William W Lytton, L Christine Turtzo, Roderick McColl, Ramon Diaz-Arrastia, Peter Bergold
This study examined whether peripheral vision reaction time (PVRT) in patients with mild traumatic brain injury (mTBI) correlate with white matter abnormalities in centroaxial structures and impairments in neuropsychological testing. Within 24 hours after mTBI, crossed reaction times (CRT), uncrossed reaction times (URT) and crossed-uncrossed difference (CUD) were measured in 23 patients using a laptop computer that displayed visual stimuli predominantly to either the left or right visual field of the retina...
December 7, 2016: Journal of Neurotrauma
https://www.readbyqxmd.com/read/27926381/a-review-on-brain-structures-segmentation-in-magnetic-resonance-imaging
#18
REVIEW
Sandra González-Villà, Arnau Oliver, Sergi Valverde, Liping Wang, Reyer Zwiggelaar, Xavier Lladó
BACKGROUND AND OBJECTIVES: Automatic brain structures segmentation in magnetic resonance images has been widely investigated in recent years with the goal of helping diagnosis and patient follow-up in different brain diseases. Here, we present a review of the state-of-the-art of automatic methods available in the literature ranging from structure specific segmentation methods to whole brain parcellation approaches. METHODS: We divide first the algorithms according to their target structures and then we propose a general classification based on their segmentation strategy, which includes atlas-based, learning-based, deformable, region-based and hybrid methods...
October 2016: Artificial Intelligence in Medicine
https://www.readbyqxmd.com/read/27926377/brain-tumor-segmentation-from-multimodal-magnetic-resonance-images-via-sparse-representation
#19
Yuhong Li, Fucang Jia, Jing Qin
OBJECTIVE: Accurately segmenting and quantifying brain gliomas from magnetic resonance (MR) images remains a challenging task because of the large spatial and structural variability among brain tumors. To develop a fully automatic and accurate brain tumor segmentation algorithm, we present a probabilistic model of multimodal MR brain tumor segmentation. This model combines sparse representation and the Markov random field (MRF) to solve the spatial and structural variability problem. METHODS: We formulate the tumor segmentation problem as a multi-classification task by labeling each voxel as the maximum posterior probability...
October 2016: Artificial Intelligence in Medicine
https://www.readbyqxmd.com/read/27925595/classification-of-alzheimer-s-disease-using-whole-brain-hierarchical-network
#20
Jin Liu, Min Li, Wei Lan, Fang-Xiang Wu, Yi Pan, Jianxin Wang
Regions of interest (ROIs) based classification has been widely investigated for analysis of brain magnetic resonance imaging (MRI) images to assist the diagnosis of Alzheimer's disease (AD) including its early warning and developing stages, e.g., mild cognitive impairment (MCI) including MCI converted to AD (MCIc) and MCI not converted to AD (MCInc). Since an ROI representation of brain structures is obtained either by pre-definition or by adaptive parcellation, the corresponding ROI in different brains can be measured...
December 2, 2016: IEEE/ACM Transactions on Computational Biology and Bioinformatics
keyword
keyword
16336
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"