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https://www.readbyqxmd.com/read/28551831/clinical-implications-of-different-blood-pressure-measurement-techniques
#1
REVIEW
Paul Drawz
PURPOSE OF REVIEW: The appropriate treatment targets for individuals with elevated blood pressure (BP) have received increased attention in light of recent clinical trial results. However, it is well known that the method used to measure BP can have a significant impact on the observed BP. In this review, we summarize the existing literature on the impact of BP measurement technique on observed BP readings. RECENT FINDINGS: Manual BPs obtained in-clinic routinely differ from those obtained using automated devices...
July 2017: Current Hypertension Reports
https://www.readbyqxmd.com/read/28551536/decision-making-in-irrigation-networks-selecting-appropriate-canal-structures-using-multi-attribute-decision-analysis
#2
Zeinab Hosseinzade, Sheree A Pagsuyoin, Kumaraswamy Ponnambalam, Mohammad J Monem
The stiff competition for water between agriculture and non-agricultural production sectors makes it necessary to have effective management of irrigation networks in farms. However, the process of selecting flow control structures in irrigation networks is highly complex and involves different levels of decision makers. In this paper, we apply multi-attribute decision making (MADM) methodology to develop a decision analysis (DA) framework for evaluating, ranking and selecting check and intake structures for irrigation canals...
May 25, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28551397/automated-t2-mapping-of-the-menisci-from-magnetic-resonance-images-in-patients-with-acute-knee-injury
#3
Anthony Paproki, Craig Engstrom, Mark Strudwick, Katharine J Wilson, Rachel K Surowiec, Charles Ho, Stuart Crozier, Jurgen Fripp
RATIONALE AND OBJECTIVES: This study aimed to evaluate the accuracy of an automated method for segmentation and T2 mapping of the medial meniscus (MM) and lateral meniscus (LM) in clinical magnetic resonance images from patients with acute knee injury. MATERIALS AND METHODS: Eighty patients scheduled for surgery of an anterior cruciate ligament or meniscal injury underwent magnetic resonance imaging of the knee (multiplanar two-dimensional [2D] turbo spin echo [TSE] or three-dimensional [3D]-TSE examinations, T2 mapping)...
May 24, 2017: Academic Radiology
https://www.readbyqxmd.com/read/28551396/measurement-accuracy-of-atherosclerotic-plaque-structure-on-ct-using-phantoms-to-establish-ground-truth
#4
Samantha St Pierre, Jenifer Siegelman, Nancy A Obuchowski, Xiaonan Ma, David Paik, Andrew J Buckler
RATIONALE AND OBJECTIVES: The purpose of this study was to characterize analytic performance of software-aided arterial vessel structure measurements across a range of scanner settings for computed tomography angiography where ground truth is known. We characterized performance for measurands that may be efficiently measured for clinical cases without use of software, as well as those that may be done manually but which is generally not done due to the effort level required unless software is employed...
May 24, 2017: Academic Radiology
https://www.readbyqxmd.com/read/28551007/a-comparative-effectiveness-study-of-esource-used-for-data-capture-for-a-clinical-research-registry
#5
Amy Harris Nordo, Eric L Eisenstein, Jeffrey Hawley, Sai Vadakkeveedu, Melissa Pressley, Jennifer Pennock, Iain Sanderson
OBJECTIVE: This pilot study compared eSource-enabled versus traditional manual data transcription (non-eSource methods) for the collection of clinical registry information. The primary study objective was to compare the time spent completing registry forms using eSource versus non-eSource methods The secondary objectives were to compare data quality associated with these two data capture methods and the flexibility of the workflows. This study directly addressed fundamental questions relating to eSource adoption: what time-savings can be realized, and to what extent does eSource improve data quality...
July 2017: International Journal of Medical Informatics
https://www.readbyqxmd.com/read/28550994/prospective-validation-of-a-near-real-time-ehr-integrated-automated-sofa-score-calculator
#6
Christopher Aakre, Pablo Moreno Franco, Micaela Ferreyra, Jaben Kitson, Man Li, Vitaly Herasevich
OBJECTIVES: We created an algorithm for automated Sequential Organ Failure Assessment (SOFA) score calculation within the Electronic Health Record (EHR) to facilitate detection of sepsis based on the Third International Consensus Definitions for Sepsis and Septic Shock (SEPSIS-3) clinical definition. We evaluated the accuracy of near real-time and daily automated SOFA score calculation compared with manual score calculation. METHODS: Automated SOFA scoring computer programs were developed using available EHR data sources and integrated into a critical care focused patient care dashboard at Mayo Clinic in Rochester, Minnesota...
July 2017: International Journal of Medical Informatics
https://www.readbyqxmd.com/read/28550767/antibiotics-and-mania-a-systematic-review
#7
REVIEW
Simon Lambrichts, Lukas Van Oudenhove, Pascal Sienaert
OBJECTIVES: Mania can occur secondary to a medical condition and can be elicited by various pharmacological treatments, both in patients with or without a history of affective disorder. Antibiotic-induced mania or antibiomania is suggested to be a rare phenomenon. We reviewed the literature in order to collect published reports of antibiomania and to summarize new insights about its mechanism and management. METHODS: We performed a MEDLINE-search and used manual cross-referencing for reports of antibiotic-induced mania and included cases in which a (hypo)manic episode was diagnosed in close temporal relationship with the prescription of an antibiotic...
May 20, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28550719/morphometric-analysis-of-thalamic-volume-in-progressive-supranuclear-palsy-in-vivo-evidence-of-regionally-specific-bilateral-thalamic-atrophy
#8
Brian D Power, David Jakabek, Mitchell Hunter-Dickson, Fiona A Wilkes, Danielle van Westen, Alexander F Santillo, Mark Walterfang, Dennis Velakoulis, Christer Nilsson, Jeffrey C L Looi
We investigated whether differences were detectable in the volume and shape of the dorsal thalamus on magnetic resonance imaging in patients with progressive supranuclear palsy (PSP). Manual segmentation of the left and right thalami on magnetic resonance imaging scans occurred in 22 patients with clinically diagnosed PSP and 23 healthy controls; thalamic volumes (left, right, total) were calculated. Between group differences were explored by multivariate analysis of co-variance, using age and intracranial volume as covariates...
May 17, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28550499/systematic-review-of-fmri-compatible-devices-design-and-testing-criteria
#9
REVIEW
V Hartwig, N Carbonaro, A Tognetti, N Vanello
Functional Magnetic Resonance Imaging (fMRI) is at present one of the most used methodologies for functional brain exploration, both in clinical and research settings. fMRI can noninvasively measure neural activity by using specific experimental paradigms. Often, these paradigms require the stimulation of the subject to perform sensorimotor tasks: in the past, the stimuli have been administered manually for investigating fundamental aspects of tactile perception and somatosensory processing. Nowadays, the use of mechatronic devices to stimulate the subject during fMRI studies is growing, also to assure reproducibility, control, and monitoring of task performances...
May 26, 2017: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/28550489/impedance-ph-monitoring-for-diagnosis-of-reflux-disease-new-perspectives
#10
REVIEW
Marzio Frazzoni, Nicola de Bortoli, Leonardo Frazzoni, Salvatore Tolone, Vincenzo Savarino, Edoardo Savarino
Heartburn is the most specific symptom of gastroesophageal reflux disease (GERD). In clinical practice, heartburn relief by a proton pump inhibitor (PPI) trial does suffice to confirm GERD. However, an objective diagnosis of GERD is required before anti-reflux endoscopic or surgical interventions, independently from PPI response. Thus, since normal findings at upper endoscopy are detected in the majority of patients with heartburn, reflux monitoring is often required. When traditional catheter-based or wireless pH tests are used, reflux episodes are conventionally identified by pH drops below 4...
May 26, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28550413/glottal-gap-tracking-by-a-continuous-background-modeling-using-inpainting
#11
Gustavo Andrade-Miranda, Juan Ignacio Godino-Llorente
The visual examination of the vibration patterns of the vocal folds is an essential method to understand the phonation process and diagnose voice disorders. However, a detailed analysis of the phonation based on this technique requires a manual or a semi-automatic segmentation of the glottal area, which is difficult and time consuming. The present work presents a cuasi-automatic framework to accurately segment the glottal area introducing several techniques not explored before in the state of the art. The method takes advantage of the possibility of a minimal user intervention for those cases where the automatic computation fails...
May 27, 2017: Medical & Biological Engineering & Computing
https://www.readbyqxmd.com/read/28550270/a-quantitative-evaluation-of-pleural-effusion-on-computed-tomography-scans-using-b-spline-and-local-clustering-level-set
#12
Lei Song, Jungang Gao, Sheng Wang, Youmin Guo
Estimation of the pleural effusion's volume is an important clinical issue. The existing methods cannot assess it accurately when there is large volume of liquid in the pleural cavity and/or the patient has some other disease (e.g. pneumonia). In order to help solve this issue, the objective of this study is to develop and test a novel algorithm using B-spline and local clustering level set method jointly, namely BLL. The BLL algorithm was applied to a dataset involving 27 pleural effusions detected on chest CT examination of 18 adult patients with the presence of free pleural effusion...
May 24, 2017: Journal of X-ray Science and Technology
https://www.readbyqxmd.com/read/28549736/ultrasound-strain-imaging-in-assessment-of-biceps-muscle-stiffness-and-dynamic-motion-in-healthy-adults
#13
Jing Gao, Pai-Chi Li, Johnson Chen, Wen He, Li-Juan Du, Robert Min, Michael O'Dell
We prospectively evaluated the feasibility of using ultrasound strain imaging (USI) to assess biceps brachii muscle (BBM) stiffness and dynamic motion in 10 healthy adults. The BBM axial deformation was produced by external compression with a sandbag (1.0 kg) tied onto the transducer. The BBM lateral movement was produced by manual passive elbow flexion and extension. By use of 2-D speckle tracking, captured 5-s real-time ultrasound data of BBM were processed to estimate axial strain, representing muscle stiffness, and lateral strain and tissue velocity, representing muscle dynamic motion...
May 23, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28549718/sarcopenia-is-associated-with-physical-and-mental-components-of-health-related-quality-of-life-in-older-adults
#14
Betty Manrique-Espinoza, Aarón Salinas-Rodríguez, Oscar Rosas-Carrasco, Luis Miguel Gutiérrez-Robledo, José Alberto Avila-Funes
OBJECTIVES: To estimate the association between sarcopenia and the health-related quality of life (HRQoL) among community-dwelling older adults. DESIGN: Cross-sectional analysis of a prospective cohort. SETTING: The Rural Frailty Study, a prospective study on the prevalence of frailty in rural settings in Mexico, with baseline and follow-up measurements conducted in 2009 and 2013, respectively. PARTICIPANTS: Five hundred forty-three men and women older than 70 years...
May 23, 2017: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/28549556/evaluation-of-a-commercial-automatic-treatment-planning-system-for-prostate-cancers
#15
Kanabu Nawa, Akihiro Haga, Akihiro Nomoto, Raniel A Sarmiento, Kenshiro Shiraishi, Hideomi Yamashita, Keiichi Nakagawa
Recent developments in Radiation Oncology treatment planning have led to the development of software packages that facilitate automated intensity-modulated radiation therapy (IMRT) and volumetric-modulated arc therapy (VMAT) planning. Such solutions include site-specific modules, plan library methods, and algorithm-based methods. In this study, the plan quality for prostate cancer generated by the Auto-Planning module of the Pinnacle(3) radiation therapy treatment planning system (v9.10, Fitchburg, WI) is retrospectively evaluated...
May 23, 2017: Medical Dosimetry: Official Journal of the American Association of Medical Dosimetrists
https://www.readbyqxmd.com/read/28549457/atp8-is-in-the-ground-pattern-of-flatworm-mitochondrial-genomes
#16
Bernhard Egger, Lutz Bachmann, Bastian Fromm
BACKGROUND: To date, mitochondrial genomes of more than one hundred flatworms (Platyhelminthes) have been sequenced. They show a high degree of similarity and a strong taxonomic bias towards parasitic lineages. The mitochondrial gene atp8 has not been confidently annotated in any flatworm sequenced to date. However, sampling of free-living flatworm lineages is incomplete. We addressed this by sequencing the mitochondrial genomes of the two small-bodied (about 1 mm in length) free-living flatworms Stenostomum sthenum and Macrostomum lignano as the first representatives of the earliest branching flatworm taxa Catenulida and Macrostomorpha respectively...
May 26, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28549446/-gnparser-a-powerful-parser-for-scientific-names-based-on-parsing-expression-grammar
#17
Dmitry Y Mozzherin, Alexander A Myltsev, David J Patterson
BACKGROUND: Scientific names in biology act as universal links. They allow us to cross-reference information about organisms globally. However variations in spelling of scientific names greatly diminish their ability to interconnect data. Such variations may include abbreviations, annotations, misspellings, etc. Authorship is a part of a scientific name and may also differ significantly. To match all possible variations of a name we need to divide them into their elements and classify each element according to its role...
May 26, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/28549310/segmentation-of-lumen-and-outer-wall-of-abdominal-aortic-aneurysms-from-3d-black-blood-mri-with-a-registration-based-geodesic-active-contour-model
#18
Yan Wang, Florent Seguro, Evan Kao, Yue Zhang, Farshid Faraji, Chengcheng Zhu, Henrik Haraldsson, Michael Hope, David Saloner, Jing Liu
Segmentation of the geometric morphology of abdominal aortic aneurysm is important for interventional planning. However, the segmentation of both the lumen and the outer wall of aneurysm in magnetic resonance (MR) image remains challenging. This study proposes a registration based segmentation methodology for efficiently segmenting MR images of abdominal aortic aneurysms. The proposed methodology first registers the contrast enhanced MR angiography (CE-MRA) and black-blood MR images, and then uses the Hough transform and geometric active contours to extract the vessel lumen by delineating the inner vessel wall directly from the CE-MRA...
May 19, 2017: Medical Image Analysis
https://www.readbyqxmd.com/read/28549293/automated-recognition-of-the-pericardium-contour-on-processed-ct-images-using-genetic-algorithms
#19
É O Rodrigues, L O Rodrigues, L S N Oliveira, A Conci, P Liatsis
This work proposes the use of Genetic Algorithms (GA) in tracing and recognizing the pericardium contour of the human heart using Computed Tomography (CT) images. We assume that each slice of the pericardium can be modelled by an ellipse, the parameters of which need to be optimally determined. An optimal ellipse would be one that closely follows the pericardium contour and, consequently, separates appropriately the epicardial and mediastinal fats of the human heart. Tracing and automatically identifying the pericardium contour aids in medical diagnosis...
May 17, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28549279/control-adjustments-in-speaking-electrophysiology-of-the-gratton-effect-in-picture-naming
#20
Natalia Shitova, Ardi Roelofs, Herbert Schriefers, Marcel Bastiaansen, Jan-Mathijs Schoffelen
Accumulating evidence suggests that spoken word production requires different amounts of top-down control depending on the prevailing circumstances. For example, during Stroop-like tasks, the interference in response time (RT) is typically larger following congruent trials than following incongruent trials. This effect is called the Gratton effect, and has been taken to reflect top-down control adjustments based on the previous trial type. Such control adjustments have been studied extensively in Stroop and Eriksen flanker tasks (mostly using manual responses), but not in the picture-word interference (PWI) task, which is a workhorse of language production research...
April 29, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
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