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Clinical and theory

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https://www.readbyqxmd.com/read/28329420/towards-a-symptom-cluster-model-in-chronic-kidney-disease-a-structural-equation-approach
#1
Hayfa Almutary, Clint Douglas, Ann Bonner
AIMS: To test a symptom cluster model in chronic kidney disease patients based on the Theory of Unpleasant Symptoms, accounting for the relationships between influencing factors, symptom experience and consequences for quality of life. BACKGROUND: The evaluation of symptom clusters is a new field of scientific inquiry directed toward more focused symptom management. Yet, little is known about relationships between symptom clusters, predictors and the synergistic effect of multiple symptoms on outcomes...
March 22, 2017: Journal of Advanced Nursing
https://www.readbyqxmd.com/read/28329179/research-on-skin-cancer-related-behaviors-and-outcomes-in-the-nih-grant-portfolio-2000-2014-skin-cancer-intervention-across-the-cancer-control-continuum-sci-3c
#2
Frank M Perna, Laura A Dwyer, Gina Tesauro, Jennifer M Taber, Wynne E Norton, Anne M Hartman, Alan C Geller
Importance: The Surgeon General's Call to Action to Prevent Skin Cancer broadly identified research gaps, but specific objectives are needed to further behavioral intervention research. Objective: To review National Institute of Health (NIH) grants targeting skin cancer-related behaviors and relevant outcomes. Design, Setting, and Participants: A portfolio analysis of the title, abstract, specific aims, and research plans of identified grant applications from 2000 to 2014 targeting skin cancer-related behaviors or testing behavioral intervention effects on cancer-relevant outcomes along the cancer continuum...
March 22, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28328942/the-value-of-theory-in-programmes-to-implement-clinical-guidelines-insights-from-a-retrospective-mixed-methods-evaluation-of-a-programme-to-increase-adherence-to-national-guidelines-for-chronic-disease-in-primary-care
#3
Jessica Sheringham, Francesca Solmi, Cono Ariti, Abigail Baim-Lance, Steve Morris, Naomi J Fulop
BACKGROUND: Programmes have had limited success in improving guideline adherence for chronic disease. Use of theory is recommended but is often absent in programmes conducted in 'real-world' rather than research settings. MATERIALS AND METHODS: This mixed-methods study tested a retrospective theory-based approach to evaluate a 'real-world' programme in primary care to improve adherence to national guidelines for chronic obstructive pulmonary disease (COPD). Qualitative data, comprising analysis of documents generated throughout the programme (n>300), in-depth interviews with planners (clinicians, managers and improvement experts involved in devising, planning, and implementing the programme, n = 14) and providers (practice clinicians, n = 14) were used to construct programme theories, experiences of implementation and contextual factors influencing care...
2017: PloS One
https://www.readbyqxmd.com/read/28328511/wireless-power-transfer-strategies-for-implantable-bioelectronics-methodological-review
#4
Kush Agarwal, Rangarajan Jegadeesan, Yong-Xin Guo, Nitish V Thakor
Neural implants have emerged over the last decade as highly effective solutions for the treatment of dysfunctions and disorders of the nervous system. These implants establish a direct, often bidirectional, interface to the nervous system, both sensing neural signals and providing therapeutic treatments. As a result of the technological progress and successful clinical demonstrations, completely implantable solutions have become a reality and are now commercially available for the treatment of various functional disorders...
March 16, 2017: IEEE Reviews in Biomedical Engineering
https://www.readbyqxmd.com/read/28327147/medical-student-changes-in-self-regulated-learning-during-the-transition-to-the-clinical-environment
#5
Kenneth K Cho, Brahm Marjadi, Vicki Langendyk, Wendy Hu
BACKGROUND: Self-regulated learning (SRL), which is learners' ability to proactively select and use different strategies to reach learning goals, is associated with academic and clinical success and life-long learning. SRL does not develop automatically in the clinical environment and its development during the preclinical to clinical learning transition has not been quantitatively studied. Our study aims to fill this gap by measuring SRL in medical students during the transitional period and examining its contributing factors...
March 21, 2017: BMC Medical Education
https://www.readbyqxmd.com/read/28327108/impact-of-the-ultrasonic-scalpel-on-the-amount-of-drained-lymph-after-axillary-or-inguinal-lymphadenectomy
#6
Olivier Gié, Marie-Laure Matthey-Gié, Pedro-Manuel Marques-Vidal, Nicolas Demartines, Maurice Matter
BACKGROUND: Seroma formation and lymphoedema are frequently encountered complications after radical lymph node dissection (RLND). Attempts to reduce the lymphatic morbidity include the use of Ultrasonic Scalpel. The aim of the present analysis was to assess the impact of the ultrasonic scalpel on the amount of drained lymph after lymph node dissection. METHODS: Patients listed for a RLND or completion lymph node dissection (CLND) were enrolled in a prospective randomized trial to compare the impact of two surgical dissection techniques (USS versus control) on the amount of drained lymph...
March 21, 2017: BMC Surgery
https://www.readbyqxmd.com/read/28326109/effects-of-education-on-differential-item-functioning-on-the-15-item-modified-korean-version-of-the-boston-naming-test
#7
Byung-Soo Kim, Dong-Woo Lee, Jae-Nam Bae, Ji-Hyun Kim, Shinkyum Kim, Ki Woong Kim, Jee-Eun Park, Maeng Je Cho, Sung Man Chang
OBJECTIVE: Education is expected to have an effect on differential item functioning (DIF) on the 15-item Modified Boston Naming Test in the Korean version of the Consortium to Establish a Registry for Alzheimer's Disease Assessment Packet (BNT-KC). However, no study has examined DIF in the BNT-KC. METHODS: We used the item response theory to investigate the impact of education on the DIF in the BNT-KC among elderly individuals with or without dementia (n=720). A two-parameter item response model was used to determine the difficulty and discrimination parameters of each item...
March 2017: Psychiatry Investigation
https://www.readbyqxmd.com/read/28324321/structured-data-entry-in-the-electronic-medical-record-perspectives-of-pediatric-specialty-physicians-and-surgeons
#8
Ruth A Bush, Cynthia Kuelbs, Julie Ryu, Wen Jiang, George Chiang
The Epic electronic health record (EHR) platform supports structured data entry systems (SDES), which allow developers, with input from users, to create highly customized patient-record templates in order to maximize data completeness and to standardize structure. There are many potential advantages of using discrete data fields in the EHR to capture data for secondary analysis and epidemiological research, but direct data acquisition from clinicians remains one of the largest obstacles to leveraging the EHR for secondary use...
May 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28323782/controversies-in-intrapatient-melanoma-brafv600e-mutation-status
#9
Erica Riveiro-Falkenbach, Angel Santos-Briz, Juan J Ríos-Martín, José L Rodríguez-Peralto
Therapies targeting the BRAF oncogene have improved the overall and disease-free survival of patients with advanced melanomas. An unresolved issue in clinical practice is the existence (or not) of BRAF-mutated and BRAF-nonmutated tumors in individual patients (intrapatient BRAF mutation heterogeneity), which may serve as a mechanism of resistance to BRAF inhibitors or lead to diagnostic problems. Different research groups have reported differing results after analyzing the BRAF mutation statuses of multiple melanoma tumors...
April 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28323405/oxygen-vacancy-enables-markedly-enhanced-magnetic-resonance-imaging-guided-photothermal-therapy-of-a-gd3-doped-contrast-agent
#10
Dalong Ni, Jiawen Zhang, Jing Wang, Ping Hu, Yingying Jin, Zhongmin Tang, Zhenwei Yao, Wenbo Bu, Jianlin Shi
The Gd3+-based contrast agents (CAs) are the most prevailing and widely used for enhanced magnetic resonance imaging (MRI). Numbers of approaches have been developed to regulate the key parameters in order to obtain high-relaxivity CAs, according to the classic Solomon-Bloembergen-Morgen theory. Herein, a method of controlling oxygen vacancies in inorganic nanosized CAs has been developed for largely accelerated proton relaxation to obtain a high r1 value. Such a strategy is verified on oxygen-deficient PEG-NaxGdWO3 nanorods, which exhibit remarkable r1 value up to 80 mM-1s-1 (at 0...
March 21, 2017: ACS Nano
https://www.readbyqxmd.com/read/28323356/on-the-use-of-one-sided-statistical-tests-in-biomedical-research
#11
Ricardo Murphy
There is a tendency to automatically use two-sided tests to assess the statistical significance of experimental results. Yet if a theory predicts the direction of an experimental outcome, or if for some practical (e.g. clinical) reason an outcome in that direction is the only one of interest, then it makes sense to use a one-sided test. The use of a two-sided test in these situations will lead to too many false negatives. Consequently treatment effects that corroborate a theory or that are of practical importance may be missed...
March 21, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/28323178/study-on-the-deformations-of-the-lamina-cribrosa-during-glaucoma
#12
Hanjing Tian, Long Li, Fan Song
The lamina cribrosa is the primary site of optic nerve injury during glaucoma, and its deformations induced by elevated intraocular pressure are associated directly with the optic nerve injury and visual field defect. However, the deformations in a living body have been poorly understood yet so far. It is because that integral observation and precise measurement of the deformations in vivo are now almost impossible in the clinical diagnosis and treatment of glaucoma. In the present study, a new mechanical model of the lamina cribrosa is presented by using Reissner's thin plate theory...
March 18, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28319689/using-a-hybrid-subtyping-model-to-capture-patterns-and-dimensionality-of-depressive-and-anxiety-symptomatology-in-the-general-population
#13
Klaas J Wardenaar, Rob B K Wanders, Margreet Ten Have, Ron de Graaf, Peter de Jonge
BACKGROUND: Researchers have tried to identify more homogeneous subtypes of major depressive disorder (MDD) with latent class analyses (LCA). However, this approach does no justice to the dimensional nature of psychopathology. In addition, anxiety and functioning-levels have seldom been integrated in subtyping efforts. Therefore, this study used a hybrid discrete-dimensional approach to identify subgroups with shared patterns of depressive and anxiety symptomatology, while accounting for functioning-levels...
March 14, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28318521/teaching-the-basics-of-echocardiography-in-the-undergraduate-students-as-mentors
#14
A Arias Felipe, J Doménech García, I Sánchez Los Arcos, D Luordo, F J García Sánchez, J Villanueva Martínez, A Forero de la Sotilla, V Villena Garrido, J Torres Macho, G García de Casasola Sánchez
OBJECTIVE: To analyse the ability of medical students to incorporate the practical teaching of basic echocardiography planes using a peer mentoring design. METHODOLOGY: Thirty-six medical students previously trained in obtaining echocardiography planes (mentors) taught the other 5th-year students (n=126). The teaching methodology included three stages: theory (online course), basic training (three 15h sessions of practical experience in ultrasound and at least 20 echocardiographic studies per mentor) and objective structured clinical assessment (OSCA), which scored the appropriateness of the basic ultrasound planes and the correct identification of 16 cardiac structures...
March 15, 2017: Revista Clínica Española
https://www.readbyqxmd.com/read/28318497/belief-bias-reasoning-in-non-clinical-delusion-prone-individuals
#15
T Anandakumar, E Connaughton, M Coltheart, R Langdon
BACKGROUND AND OBJECTIVES: It has been proposed that people with delusions have difficulty inhibiting beliefs (i.e., "doxastic inhibition") so as to reason about them as if they might not be true. We used a continuity approach to test this proposal in non-clinical adults scoring high and low in psychometrically assessed delusion-proneness. High delusion-prone individuals were expected to show greater difficulty than low delusion-prone individuals on "conflict" items of a "belief-bias" reasoning task (i...
March 15, 2017: Journal of Behavior Therapy and Experimental Psychiatry
https://www.readbyqxmd.com/read/28318449/through-the-lens-of-attachment-relationship-stable-did-active-did-and-other-trauma-based-mental-disorders
#16
Adah Sachs
Some people with DID, despite years of DID-specific therapy (using the three-phase approach, ISSTD, 2011), seem unable to get better. In particular, they seem unable to remain physically safe ("Phase One") and report continued exposure to abuse. As every fresh hurt causes fresh dissociation, their DID becomes further entrenched over time. Moreover, as dissociation makes the person more vulnerable to being re-abused, they become caught up in a vicious cycle, which further obstructs their efforts toward recovery...
February 23, 2017: Journal of Trauma & Dissociation
https://www.readbyqxmd.com/read/28318153/-dental-alveolar-bone-and-dental-arch-remodeling-in-children-orthodontic-diagnosis-and-treatments-based-on-individual-child-arch-development
#17
Li Xiaobing
The etiology of malocclusions basically involves both congenital and environmental factors. Malocclusion is the result of the abnormal development of the orofacial complex (including tooth, dental alveolar bone, upper and lower jaws). Early orthodontic interceptive treatments involve the elimination of all congenital and environmental factors that contribute to the malformation of the orofacial complex, as well as interrupt the deviated development of the orofacial complex and the occlusion. Early orthodontic interceptive treatments mainly aim to use children's growth potential to correct abnormal developments of occlusions and orthodontically treat malocclusions more efficiently...
December 1, 2016: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28318152/-color-selection-of-ultrathin-veneers-in-clinic
#18
Sun Feng
Ultrathin veneer is a new therapeutic technology developed from minimally invasive theories. Ultrathin veneer alters the unwanted shape and color of a tooth through minimal or lack of preparation. The color of tooth after restoration is mixed with the natural color of tooth, the original color of veneer, and the color of bonding material because of ultrathin (approximately 0.2 mm) veneer. Thus, the color is affected by numerous variations. Full considerations are required for creating designs. The author summarizes clinical points and provides suggestions for ultrathin veneer in color...
December 1, 2016: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28317506/theory-of-mind-impairments-in-women-with-cocaine-addiction
#19
Breno Sanvicente-Vieira, Bruno Kluwe-Schiavon, Rhiannon Corcoran, Rodrigo Grassi-Oliveira
OBJECTIVE: This study investigates the Theory of Mind performance of female cocaine-dependent users (CDUs) and possible associations between theory of mind performance and features of cocaine use. METHOD: Sixty women controlled for age, education, individual income, and IQ participated in this study: 30 in the CDU group and 30 in the healthy control group. Participants were assessed for theory of mind with the Reading the Mind in the Eyes Test (RMET), a test of understanding of first-order and second-order false beliefs, and the Hinting task...
March 2017: Journal of Studies on Alcohol and Drugs
https://www.readbyqxmd.com/read/28317484/redox-systems-antioxidants-and-sarcopenia
#20
Bertrand Fougère, Gabor Abellan van Kan, Bruno Vellas, Matteo Cesari
According to the free-radical theory of aging, oxidative stress is a key contributor to the onset of age-related conditions by inducing structural and functional alterations in several cellular components. Although innate defenses exist for limiting the occurrence of such detrimental effects, their ability to counteract the continuous and large production of reactive oxygen species becomes increasingly inefficient with aging. In this context, interventions aimed at preserving the homeostatic balance between oxidant production and antioxidant protection may be beneficial on the pathophysiological modifications and clinical manifestations featuring the aging process...
March 17, 2017: Current Protein & Peptide Science
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