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Dual mobility

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https://www.readbyqxmd.com/read/29352701/bailout-surgical-explantation-of-a-transcatheter-valve-in-valve-for-subacute-thrombosis-when-there-is-no-time-for-anticoagulation-case-report-and-literature-review
#1
Francesco Notaristefano, Matteo Rocco Reccia, Salvatore Notaristefano, Roberto Annunziata, Rocco Sclafani, Giuseppe Ambrosio, Claudio Cavallini
Trancatheter heart valve (THV) thrombosis is effectively treated with anticoagulation but alternative therapies are required when a faster gradient reduction is needed. Open heart surgery has been rarely performed due to the high perioperative mortality and only five cases have been described so far. Here we describe a case of emergent surgical explantation for THV thrombosis after a valve-in-valve. A 67years old man underwent transcatheter aortic valve implantation for a failed surgical bioprosthesis Epic 21mm (St...
December 13, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/29347391/search-efficiency-of-biased-migration-towards-stationary-or-moving-targets-in-heterogeneously-structured-environments
#2
Youness Azimzade, Alireza Mashaghi
Efficient search acts as a strong selective force in biological systems ranging from cellular populations to predator-prey systems. The search processes commonly involve finding a stationary or mobile target within a heterogeneously structured environment where obstacles limit migration. An open generic question is whether random or directionally biased motions or a combination of both provide an optimal search efficiency and how that depends on the motility and density of targets and obstacles. To address this question, we develop a simple model that involves a random walker searching for its targets in a heterogeneous medium of bond percolation square lattice and used mean first passage time (〈T〉) as an indication of average search time...
December 2017: Physical Review. E
https://www.readbyqxmd.com/read/29344700/dual-mobility-hip-arthroplasty-provides-better-outcomes-compared-to-hemiarthroplasty-for-displaced-femoral-neck-fractures-a-retrospective-comparative-clinical-study
#3
Yong Tae Kim, Je-Hyun Yoo, Min Ki Kim, Sanghyun Kim, Jihyo Hwang
PURPOSE: Total hip arthroplasty with a dual mobility cup (DMC) is a proposed alternative to the widely performed bipolar hemiarthroplasty (BHA) for treating displaced intracapsular femoral neck fractures (DFNF) in the elderly. However, the comparison between the two modalities has not been extensively conducted thus far. METHODS: A retrospective cohort study was conducted with DFNF patients aged over 65 years who were treated either by BHA or DMC. After propensity matching each group comprised 84 patients (168 patients in total) and was analyzed using peri-operative and post-operative parameters...
January 17, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29339661/a-novel-foxl2-mutation-implying-blepharophimosis-ptosis-epicanthus-inversus-syndrome-type-i
#4
Fang Li, Peiwei Chai, Jiayan Fan, Xi Wang, Wenjuan Lu, Jin Li, Shengfang Ge, Renbing Jia, He Zhang, Xianqun Fan
BACKGROUND/AIMS: Blepharophimosis-ptosis-epicanthus inversus syndrome (BPES) is a rare autosomal dominant disease caused by FOXL2 gene mutations, and it is clinically characterized by an eyelid malformation associated (type I) or not (type II) with premature ovarian failure (POF). Functional study of novel mutations is especially critical for female patients, as it may allow the prediction of infertility and early planning of an appropriate therapy. METHODS: A clinical and molecular genetic investigation was performed in all members of a Chinese family with BPES...
January 15, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29339456/parp-inhibition-prevents-ethanol-induced-neuroinflammatory-signaling-and-neurodegeneration-in-adult-age-rat-brain-slice-cultures
#5
Nuzhath F Tajuddin, Hee-Yong Kim, Michael A Collins
Utilizing rat adult-age hippocampal-entorhinal cortical (HEC) slice cultures we examined the role of poly [ADP-ribose] polymerase (PARP) in binge ethanol's brain inflammatory and neurodegenerative mechanisms. Activated by DNA strand breaks, PARP (principally PARP1 in brain) promotes DNA repair via poly [ADP-ribose] (PAR) products, but PARP overactivation triggers regulated neuronal necrosis, e.g., parthanatos. Previously we found that brain PARP1 levels were upregulated by neurotoxic ethanol binges in adult rats and HEC slices, and PARP inhibitor PJ34 abrogated slice neurodegeneration...
January 16, 2018: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/29330182/fluorescence-recovery-allows-the-implementation-of-a-fluorescence-reporter-gene-platform-applicable-for-the-detection-and-quantification-of-horizontal-gene-transfer-in-anoxic-environments
#6
Rafael Pinilla, Leise Riber, Søren J Sørensen
The study of horizontal gene transfer (HGT) in microbial communities has been revolutionized by significant advances in cultivation-independent methods based on fluorescence reporter gene technologies. Recently, the combination of these novel approaches with flow cytometry has presented itself as one of the most powerful tools to study the spread of mobile genetic elements (MGEs) in the environment. However, the use of fluorescent markers like green fluorescent protein (GFP) and mCherry is limited by environmental constraints that affect the correct maturation of their fluorophores, such as oxygen availability and pH levels...
January 12, 2018: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/29330073/the-association-of-clinic-based-mobility-tasks-and-measures-of-community-performance-and-risk
#7
M L Callisaya, J Verghese
INTRODUCTION: Gait speed is recognized as an important predictor of adverse outcomes in older people. However, it is unknown if other more complex mobility tasks are better predictors of such outcomes. OBJECTIVE: To examine a range of clinic-based mobility tests and determine which were most strongly associated with measures of community performance and risk (CP&R). DESIGN: Cross-sectional study SETTING: Central Control Mobility and Aging Study, Westchester County, New York PARTICIPANTS: Aged ≥ 65 years (n=424) METHODS: Clinic-based mobility measures included gait speed measured during normal and dual-task conditions, the Floor Maze Immediate and Delay tasks, and stair ascending and descending...
January 9, 2018: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/29318592/falls-in-cognitively-impaired-older-adults-implications-for-risk-assessment-and-prevention
#8
Manuel Montero-Odasso, Mark Speechley
OBJECTIVES: To provide an overview of the role of cognition in falls, with potential implications for managing and preventing falls in older adults. DESIGN: Review. SETTING: Observational and interventional studies addressing the role of cognition on falls. PARTICIPANTS: Community-dwelling older adults (65 years and older). MEASUREMENTS: The relationship between gait and cognition in aging and neurodegeneration was reviewed in the medical literature to highlight the role of brain motor control deficits in fall risk...
January 10, 2018: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/29317224/determining-reliability-of-a-dual-task-functional-mobility-protocol-for-individuals-with-lower-extremity-amputations
#9
Courtney Frengopoulos, Michael Wc Payne, Jeffrey Holmes, Ricardo Viana, Susan W Hunter
OBJECTIVES: To determine the relative and absolute reliability of a dual-task functional mobility assessment. DESIGN: Cross-sectional study. SETTING: Academic Rehabilitation Hospital. PARTICIPANTS: Sixty individuals with lower extremity amputation (LEA) attending an outpatient amputee clinic (age= 58.21±12.59; 80.0% male). Subjects were stratified into three groups: 1) transtibial amputations of vascular etiology (TTA-vas), transtibial amputations of non-vascular etiology (TTA-nonvas); transfemoral or bilateral amputees (TFA/bilat) of any etiology...
January 6, 2018: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/29315638/comparative-genomics-and-transcriptomics-depict-ericoid-mycorrhizal-fungi-as-versatile-saprotrophs-and-plant-mutualists
#10
Elena Martino, Emmanuelle Morin, Gwen-Aëlle Grelet, Alan Kuo, Annegret Kohler, Stefania Daghino, Kerrie W Barry, Nicolas Cichocki, Alicia Clum, Rhyan B Dockter, Matthieu Hainaut, Rita C Kuo, Kurt LaButti, Björn D Lindahl, Erika A Lindquist, Anna Lipzen, Hassine-Radhouane Khouja, Jon Magnuson, Claude Murat, Robin A Ohm, Steven W Singer, Joseph W Spatafora, Mei Wang, Claire Veneault-Fourrey, Bernard Henrissat, Igor V Grigoriev, Francis M Martin, Silvia Perotto
Some soil fungi in the Leotiomycetes form ericoid mycorrhizal (ERM) symbioses with Ericaceae. In the harsh habitats in which they occur, ERM plant survival relies on nutrient mobilization from soil organic matter (SOM) by their fungal partners. The characterization of the fungal genetic machinery underpinning both the symbiotic lifestyle and SOM degradation is needed to understand ERM symbiosis functioning and evolution, and its impact on soil carbon (C) turnover. We sequenced the genomes of the ERM fungi Meliniomyces bicolor, M...
January 7, 2018: New Phytologist
https://www.readbyqxmd.com/read/29314090/development-and-validation-of-lc-ms-ms-method-for-simultaneous-determination-of-sofosbuvir-and-daclatasvir-in-human-plasma-application-to-pharmacokinetic-study
#11
Ola M Abdallah, Ahmed M Abdel-Megied, Amira S Gouda
The first simple and highly sensitive Liquid chromatography-tandem mass spectrometry (LC-MS/MS) bioanalytical method was developed and fully validated for the simultaneous determination of newly discovered antiviral drugs namely, Sofosbuvir (SOF) and Daclatasvir (DAC) in human plasma. Tadalafil (TAD) was used as internal standard (IS). SOF, DAC and TAD (IS) were extracted from plasma using liquid-liquid extraction technique with methyl tert-butyl ether. The chromatographic separation was carried out using ZorbaxSB-C18 column (4...
January 3, 2018: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/29305445/outcomes-of-dual-mobility-components-in-total-hip-arthroplasty-a-systematic-review-of-the-literature
#12
REVIEW
B Darrith, P M Courtney, C J Della Valle
AIMS: Instability remains a challenging problem in both primary and revision total hip arthroplasty (THA). Dual mobility components confer increased stability, but there are concerns about the unique complications associated with these designs, as well as the long-term survivorship. MATERIALS AND METHODS: We performed a systematic review of all English language articles dealing with dual mobility THAs published between 2007 and 2016 in the MEDLINE and Embase electronic databases...
January 2018: Bone & Joint Journal
https://www.readbyqxmd.com/read/29302164/doubling-syndemics-ethnographic-accounts-of-the-health-situation-of-homeless-romanian-roma-in-copenhagen
#13
Camilla Ida Ravnbøl
This study investigates health concerns and access to health services for Roma from Romania who live in homelessness in Copenhagen, Denmark. They collect refundable bottles and call themselves "badocari," which in Romanian refers to "people who work with bottles." Homeless Roma in Denmark have not previously been studied through ethnographic research. The study stresses the importance of a syndemic approach towards understanding badocari health concerns. Syndemics is understood as co-occurring diseases, which unfold within contexts of social injustice...
December 2017: Health and Human Rights
https://www.readbyqxmd.com/read/29301558/leucine-and-ace-inhibitors-as-therapies-for-sarcopenia-lace-trial-study-protocol-for-a-randomised-controlled-trial
#14
Margaret M Band, Deepa Sumukadas, Allan D Struthers, Alison Avenell, Peter T Donnan, Paul R Kemp, Karen T Smith, Cheryl L Hume, Adrian Hapca, Miles D Witham
BACKGROUND: Sarcopenia (the age-related loss of muscle mass and function) is a major contributor to loss of mobility, falls, loss of independence, morbidity and mortality in older people. Although resistance training is effective in preventing and reversing sarcopenia, many older people are sedentary and either cannot or do not want to exercise. This trial examines the efficacy of supplementation with the amino acid leucine and/or angiotensin converting enzyme inhibition to potentially improve muscle mass and function in people with sarcopenia...
January 4, 2018: Trials
https://www.readbyqxmd.com/read/29301536/the-health-impacts-of-climate-related-migration
#15
Patricia Schwerdtle, Kathryn Bowen, Celia McMichael
BACKGROUND: Changes in climate, in conjunction with other drivers of mobility, shape human migration. While there is an increasing focus on the adaptive potential of migration, the health impacts of climate-related migration, including planned relocation and forced displacement, have not been thoroughly examined. The Intergovernmental Panel on Climate Change stated that migration is currently, and will increasingly be, influenced by environmental degradation and climate change, and that it needs to be addressed in a focused and coordinated manner...
December 11, 2017: BMC Medicine
https://www.readbyqxmd.com/read/29301399/structural-and-dynamical-nature-of-hydration-shells-of-the-carbonate-ion-in-water-an-ab-initio-molecular-dynamics-study
#16
Sushma Yadav, Amalendu Chandra
Structural and dynamical nature of hydration shells of the carbonate ion in water is investigated through ab initio molecular dynamics simulation. The anisotropic solvation shell structure of the ion is resolved by calculating conically restricted pair distribution and radial/angular correlation functions. The vibrational frequency of OD modes hydrogen bonded to the ion is found to be smaller than that of bulk water which means the carbonate ion-water hydrogen bonds are stronger than that between water molecules...
January 5, 2018: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/29290196/huge-gastric-and-ileal-trichobezoars-causing-small-bowel-obstruction
#17
Muhammad Imran, Ume Sughra, Aurangzeb Khan
The bezoar is the accumulation of undigestible food or fibre in the digestive tract, most commonly in stomach and proximal small bowel. Trichobezoar is an accumulation of hair. They may present as an independent mass in small bowel or with or without an extension into the small bowel. The trichobezoars are well described, in terms of surgical, diagnostic, and therapeutic procedures. However, there are very few reports on psychiatric literature and a dual presentation of gastric and ileal trichobezoars. The authors present a case report of a gastric with an ileal trichobezoar that is rarely reported in literature...
January 2018: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/29289581/physical-exercise-improves-strength-balance-mobility-and-endurance-in-people-with-cognitive-impairment-and-dementia-a-systematic-review
#18
Freddy Mh Lam, Mei-Zhen Huang, Lin-Rong Liao, Raymond Ck Chung, Timothy Cy Kwok, Marco Yc Pang
QUESTION: Does physical exercise training improve physical function and quality of life in people with cognitive impairment and dementia? Which training protocols improve physical function and quality of life? How do cognitive impairment and other patient characteristics influence the outcomes of exercise training? DESIGN: Systematic review with meta-analysis of randomised trials. PARTICIPANTS: People with mild cognitive impairment or dementia as the primary diagnosis...
December 27, 2017: Journal of Physiotherapy
https://www.readbyqxmd.com/read/29289123/fluid-fluid-interfacial-mobility-from-random-walks
#19
Paul L Barclay, Jennifer R Lukes
Dual control volume grand canonical molecular dynamics is used to perform the first calculation of fluid-fluid interfacial mobilities. The mobility is calculated from one-dimensional random walks of the interface by relating the diffusion coefficient to the interfacial mobility. Three different calculation methods are employed: one using the interfacial position variance as a function of time, one using the mean-squared interfacial displacement, and one using the time-autocorrelation of the interfacial velocity...
December 28, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/29288635/foxd3-inhibits-scn2a-gene-transcription-in-intractable-epilepsy-cell-models
#20
Jun Xiang, Fang Wen, Lingyun Zhang, Yu Zhou
The expression of sodium voltage-gated channel alpha subunit 2 (SCN2A) is closely related to the development of epilepsy. This study investigated regulatory element of the SCN2A gene involved in epilepsy. An intractable epilepsy cell model was constructed using hippocampal primary neurons and the SH-SY5Y cell line. SCN2A protein and gene expression in cells as well as the level of lactic acid dehydrogenase (LDH) in the cell culture supernatants was detected. Potential regulatory factors of SCN2A and its upstream regulatory elements were identified using the dual-luciferase reporter assay...
December 27, 2017: Experimental Neurology
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