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https://www.readbyqxmd.com/read/27933728/sequential-change-detection-and-monitoring-of-temporal-trends-in-random-effects-meta-analysis
#1
Samson Henry Dogo, Allan Clark, Elena Kulinskaya
Temporal changes in magnitude of effect sizes reported in many areas of research are a threat to the credibility of the results and conclusions of meta-analysis. Numerous sequential methods for meta-analysis have been proposed to detect changes and monitor trends in effect sizes so that meta-analysis can be updated when necessary and interpreted based on the time it was conducted. The difficulties of sequential meta-analysis under the random-effects model are caused by dependencies in increments introduced by the estimation of the heterogeneity parameter τ(2) ...
December 8, 2016: Research Synthesis Methods
https://www.readbyqxmd.com/read/27933672/single-neuron-activity-and-theta-modulation-in-the-posterior-parietal-cortex-in-a-visuospatial-attention-task
#2
Fang-Chi Yang, T K Jacobson, R D Burwell
The posterior parietal cortex (PPC) is implicated in directing and maintaining visual attention to locations in space. We hypothesized that the PPC also engages other cognitive processes in the transformation of behaviorally relevant visual inputs into appropriate actions, for example, monitoring of multiple locations, selection of responses to locations in space, and monitoring the outcome of response selections. We recorded single cells and local field potentials in the rat PPC during performance on a novel visuospatial attention (VSA) task that requires visually monitoring locations in space in order to make appropriate stimulus-guided locomotor responses...
December 9, 2016: Hippocampus
https://www.readbyqxmd.com/read/27933641/method-of-b0-mapping-with-magnitude-based-correction-for-bipolar-two-point-dixon-cardiac-mri
#3
Junmin Liu, Dana C Peters, Maria Drangova
PURPOSE: The conventional two-point (2pt) Dixon technique explicitly estimates B0 map by performing phase unwrapping. When signal loss, phase singularity, artifacts, or spatially isolated regions corrupt the measured phase images, this unwrapping-based technique will face difficulty. This work aims to improve the reliability of B0 mapping by performing unwrapping error correction. METHOD: To detect the unwrapping-caused phase errors, we determined a magnitude-based fat/water mask and used it as reference to identify pixels being mismatched by the phase-based mask, which was derived from the B0-corrected phase term of the Hermitian product between echoes...
December 8, 2016: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/27933555/pharmacist-s-comprehensive-geriatric-assessment-introduction-and-evaluation-at-elderly-patient-admission
#4
Faiza Rhalimi, Mounir Rhalimi, Alain Rauss
BACKGROUND: The role of the clinical pharmacist within the healthcare system remains unclear. OBJECTIVE: Our objective was to describe a pharmacist's comprehensive geriatric assessment (pCGA) at admission of elderly patients and to assess its relevance in terms of medication compliance and pharmacist interventions (PIs). METHODS: We conducted a prospective interventional study over 29 months in a 34-bed medical/rehabilitation geriatric ward in a French geriatric hospital...
December 8, 2016: Drugs—Real World Outcomes
https://www.readbyqxmd.com/read/27933290/validation-of-a-cochlear-implant-patient-specific-model-of-the-voltage-distribution-in-a-clinical-setting
#5
Waldo Nogueira, Daniel Schurzig, Andreas Büchner, Richard T Penninger, Waldemar Würfel
Cochlear Implants (CIs) are medical implantable devices that can restore the sense of hearing in people with profound hearing loss. Clinical trials assessing speech intelligibility in CI users have found large intersubject variability. One possibility to explain the variability is the individual differences in the interface created between electrodes of the CI and the auditory nerve. In order to understand the variability, models of the voltage distribution of the electrically stimulated cochlea may be useful...
2016: Frontiers in Bioengineering and Biotechnology
https://www.readbyqxmd.com/read/27933156/improving-the-accuracy-of-electronic-prescribing-in-west-bay-health-center-in-qatar
#6
Wafaa Yousuf, Sheren Elkomy, Mona Soliman, Noof Al-Mansouri, Mohamed Salem, Amal Al-Ali, Mohamed H Mahmoud, Hisham Elmahdi
Primary healthcare in Qatar uses electronic prescribing to reduce the risk of medication errors. Electronic prescribing is supported by computerized Physician Order Entry systems through Cerner (electronic medical record system). There are still prescription errors, despite electronic prescribing being in place for one year at West Bay Health Center. West Bay Health Center is a famous primary healthcare center in Qatar. It is a training center for the family medicine residency program, which is accredited by the accreditation council of general medical education international (ACGME-I)...
2016: BMJ Quality Improvement Reports
https://www.readbyqxmd.com/read/27933108/postural-orientation-and-equilibrium-processes-associated-with-increased-postural-sway-in-autism-spectrum-disorder-asd
#7
Zheng Wang, Rami R Hallac, Kaitlin C Conroy, Stormi P White, Alex A Kane, Amy L Collinsworth, John A Sweeney, Matthew W Mosconi
BACKGROUND: Increased postural sway has been repeatedly documented in children with autism spectrum disorder (ASD). Characterizing the control processes underlying this deficit, including postural orientation and equilibrium, may provide key insights into neurophysiological mechanisms associated with ASD. Postural orientation refers to children's ability to actively align their trunk and head with respect to their base of support, while postural equilibrium is an active process whereby children coordinate ankle dorsi-/plantar-flexion and hip abduction/adduction movements to stabilize their upper body...
2016: Journal of Neurodevelopmental Disorders
https://www.readbyqxmd.com/read/27933024/confabulating-misremembering-relearning-the-simulation-theory-of-memory-and-unsuccessful-remembering
#8
Kourken Michaelian
This article develops a taxonomy of memory errors in terms of three conditions: the accuracy of the memory representation, the reliability of the memory process, and the internality (with respect to the remembering subject) of that process. Unlike previous taxonomies, which appeal to retention of information rather than reliability or internality, this taxonomy can accommodate not only misremembering (e.g., the DRM effect), falsidical confabulation, and veridical relearning but also veridical confabulation and falsidical relearning...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27932987/limits-of-applicability-of-the-voronoi-tessellation-determined-by-centers-of-cell-nuclei-to-epithelium-morphology
#9
Sara Kaliman, Christina Jayachandran, Florian Rehfeldt, Ana-Sunčana Smith
It is well accepted that cells in the tissue can be regarded as tiles tessellating space. A number of approaches were developed to find an appropriate mathematical description of such cell tiling. A particularly useful approach is the so called Voronoi tessellation, built from centers of mass of the cell nuclei (CMVT), which is commonly used for estimating the morphology of cells in epithelial tissues. However, a study providing a statistically sound analysis of this method's accuracy is not available in the literature...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27932859/central-corneal-thickness-of-iraqi-population-in-relation-to-age-gender-refractive-errors-and-corneal-curvature-a-hospital-based-cross-sectional-study
#10
Yasir Jawad Kadhim, Qasim K Farhood
BACKGROUND: Central corneal thickness (CCT) is an important indicator of corneal status. Its measurement provides valid information about corneal physiological condition and possible changes associated with diseases, traumas, and hypoxia. It is an integral part for interpretation of intraocular pressure and glaucoma patient management and in prerefractive procedure assessment. OBJECTIVE: The aim of this study is to determine the mean CCT among a normal Iraqi population and to correlate between CCT and age, gender, refraction, and corneal curvature...
2016: Clinical Ophthalmology
https://www.readbyqxmd.com/read/27932772/-modification-and-evaluation-of-assessment-of-%C3%A2-medication-literacy
#11
Feng Zheng, Zhuqing Zhong, Siqing Ding, Aijing Luo, Zina Liu
To translate and revise the Medication Literacy Assessment in English (MedLitRxSE-English) and evaluate its validity and reliability.
 Methods: We introduced MedLitRxSE-English from abroad. According to the principles of Brislin and culture adjustment, we revised it as a Chinese edition. Using random sampling method, from Oct, 2014 to Jan, 2015, 461 non-hospitalized patients from the outpatient departments of the top three hospitals in Changsha city were investigated. The reliability and validity of the scale was tested...
November 28, 2016: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/27932666/interval-estimation-for-a-proportion-using-a-double-sampling-scheme-with-two-fallible-classifiers
#12
Shi-Fang Qiu, Heng Lian, G Y Zou, Xiao-Song Zeng
Double-sampling schemes using one classifier assessing the whole sample and another classifier assessing a subset of the sample have been introduced for reducing classification errors when an infallible or gold standard classifier is unavailable or impractical. Inference procedures have previously been proposed for situations where an infallible classifier is available for validating a subset of the sample that has already been classified by a fallible classifier. Here, we consider the case where both classifiers are fallible, proposing and evaluating several confidence interval procedures for a proportion under two models, distinguished by the assumption regarding ascertainment of two classifiers...
December 8, 2016: Statistical Methods in Medical Research
https://www.readbyqxmd.com/read/27932544/improving-the-identification-of-phenotypic-abnormalities-and-sexual-dimorphism-in-mice-when-studying-rare-event-categorical-characteristics
#13
Natasha A Karp, Ruth Heller, Shay Yaacoby, Jacqueline K White, Yoav Benjamini
Biological research frequently involves the study of phenotyping data. Many of these studies focus on rare event categorical data, and in functional genomics typically study the presence or absence of an abnormal phenotype. With the growing interest in the role of sex, there is a need to assess the phenotype for sexual dimorphism. The identification of abnormal phenotypes for downstream research is challenged by the small sample size, the rare event nature, and the multiple testing problem, as many variables are monitored simultaneously...
December 7, 2016: Genetics
https://www.readbyqxmd.com/read/27932369/patient-safety-in-community-dementia-services-what-can-we-learn-from-the-experiences-of-caregivers-and-healthcare-professionals
#14
Sophie Behrman, Philip Wilkinson, Helen Lloyd, Charles Vincent
OBJECTIVES: this study aims to explore how patient safety in community dementia services is understood by caregivers, and healthcare professionals. METHODS: cross-sectional analysis of guided one-to-one interviews with 10 caregivers, and 10 healthcare professionals. RESULTS: caregivers and healthcare professionals identified a range of issues including medication errors, mis-communication between professionals, unclear service pathways and the effects of stress on caregivers' behaviour...
December 7, 2016: Age and Ageing
https://www.readbyqxmd.com/read/27932230/department-of-error
#15
(no author information available yet)
No abstract text is available yet for this article.
December 5, 2016: Lancet
https://www.readbyqxmd.com/read/27931950/patient-acceptance-of-the-optical-diagnosis-and-misdiagnosis-of-diminutive-colorectal-polyps
#16
Shinichiro Sakata, Antonio H S Lee, Ammar O Kheir, Nicholas J Tutticci, Sanjeev Naidu, Andrew R L Stevenson, David G Hewett
BACKGROUND AND AIMS: Optical diagnosis allows for real-time endoscopic assessment of colorectal polyp histology and consists of the "resect and discard" and "diagnose and leave" paradigms. This survey assessed patient acceptance of optical diagnosis and their responses to a hypothetical doomsday scenario. METHODS: A 3-month cross-sectional survey of colonoscopy outpatients presenting to an Australian academic endoscopy center. RESULTS: 981 patients completed the survey (76...
December 5, 2016: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/27931784/learning-from-patients-identifying-design-features-of-medicines-that-cause-medication-use-problems
#17
Kim Notenboom, Hubert Gm Leufkens, Herman Vromans, Marcel L Bouvy
Usability is a key factor in ensuring safe and efficacious use of medicines. However, several studies showed that people experience a variety of problems using their medicines. The purpose of this study was to identify design features of oral medicines that cause use problems among older patients in daily practice. A qualitative study with semi-structured interviews on the experiences of older people with the use of their medicines was performed (n=59). Information on practical problems, strategies to overcome these problems and the medicines' design features that caused these problems were collected...
December 5, 2016: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/27931544/normal-echocardiographic-measurements-in-indian-adults-how-different-are-we-from-the-western-populations-a-pilot-study
#18
Manish Bansal, Jagdish C Mohan, Shantanu P Sengupta
This study sought to gain insights into the magnitude of error resulting in echocardiographic interpretations in Indian subjects by using western data as the reference. Standard transthoracic echocardiographic examination was performed in 100 healthy volunteers (mean age 34.0±8.8 years, 59% males). Compared with the reference values published by the American Society of Echocardiography (ASE), our subjects had much smaller left ventricular (LV) end-diastolic dimension, end-systolic dimension, and end-diastolic volume (only 58%, 61%, and 61% of the subjects were having values within the ASE-defined normal ranges)...
November 2016: Indian Heart Journal
https://www.readbyqxmd.com/read/27931354/lonza-error-prevention-system-eps-changing-human-performance-in-pharmaceutical-operations
#19
Kerstin Bodmann, Constanze Reinhard, Michael Mdler, Kevin Tinson, Mark Johnson
Errors are a part of life. With human errors accounting for approximately 50% of quality incidents and related problems within the pharmaceutical industry, the need to improve human performance in manufacturing operations is obvious. The purpose of this article is to describe error-proofing ways of structuring and writing knowledge documents, procedures, batch records, as well as practices for structuring, conducting, and documenting training to assure competence. These practices are recommended for adoption to shift the current 'training for compliance' paradigm to a 'training for competence' paradigm...
September 2016: Chimia
https://www.readbyqxmd.com/read/27931034/historical-perspective-on-clinical-trials-of-carnitine-in-children-and-adults
#20
Neil R M Buist
The metabolic roles of carnitine have been greatly clarified over the past 50 years, and it is now well established that carnitine is a key player in mitochondrial generation of energy and metabolism of acetyl coenzyme A. A therapeutic role for carnitine in treatment of nutritional deficiencies in infants and children was first demonstrated in 1958, and since that time it has been used to treat a number of inborn errors of metabolism. Carnitine was approved by the US Food and Drug Administration in 1985 for treatment of 'primary carnitine deficiency', and later in 1992 for treatment of 'secondary carnitine deficiency', a definition that included the majority of relevant metabolic disorders associated with low or abnormal plasma carnitine levels...
December 9, 2016: Annals of Nutrition & Metabolism
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