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https://www.readbyqxmd.com/read/29166420/a-comparison-of-marginal-gaps-of-all-ceramic-crowns-constructed-from-scanned-impressions-and-models
#1
Raena Tabesh, James Dudley
PURPOSE: This study compared the marginal gaps of computer-aided design/computer-aided manufacture (CAD/CAM)-fabricated all-ceramic crowns constructed from scanned impressions and models and with two different occlusal reduction designs. MATERIALS AND METHODS: Two typodont mandibular first molars were prepared to receive CAD/CAM-fabricated all-ceramic crowns. Both molars were prepared to ideal crown reduction, the first with anatomical occlusal reduction (AOR) and the second with completely flat occlusal reduction (FOR)...
November 22, 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/29166419/combined-stereophotogrammetry-and-laser-sintered-computer-aided-milling-framework-for-an-implant-supported-mandibular-prosthesis-a-case-history-report
#2
Maria J Suarez, Iria Paisal, Veronica Rodriguez-Alonso, Carlos Lopez-Suarez
PURPOSE: This study compared the marginal gaps of computer-aided design/computer-aided manufacture (CAD/CAM)-fabricated all-ceramic crowns constructed from scanned impressions and models and with two different occlusal reduction designs. MATERIALS AND METHODS: Two typodont mandibular first molars were prepared to receive CAD/CAM-fabricated all-ceramic crowns. Both molars were prepared to ideal crown reduction, the first with anatomical occlusal reduction (AOR) and the second with completely flat occlusal reduction (FOR)...
November 22, 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/29166296/emergency-intubations-in-a-high-volume-pediatric-emergency-department
#3
Jen Heng Pek, Gene Yong-Kwang Ong
INTRODUCTION: Resuscitation of critically ill children can be chaotic, and emergency airway management is often fraught with difficulties. This study aimed to characterize the Singaporean landscape of tracheal intubation in a pediatric emergency unit, placing emphasis on safety outcomes, procedural process of care, and provider training. METHODS: A retrospective review of all cases presented to the KK Women's and Children's Hospital from January 2009 to December 2013 with intubation carried out within the pediatric emergency unit was done...
November 21, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/29166273/first-report-of-feline-calicivirus-fcv-infection-in-stray-cats-in-northeast-china
#4
Kai Wang, Zhihua Pei, Guixue Hu
To improve our understanding of Feline calicivirus (FCV) infection in cats in Northeast China, 1584 serum samples from 974 domestic cats and 610 stray cats were collected between 2012 and 2015. The samples were tested for FCV antibodies using a commercially available ELISA kit. The results revealed an overall seroprevalence of 37.56% (595/1584), a seroprevalence in domestic cats of 32.85% (320/974) and a seroprevalence in stray cats of 45.08% (275/610). Risk factor analysis indicated that species was the only risk factor for the presence of FCV (OR=1...
September 26, 2017: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/29166217/the-radiologist-s-primer-to-imaging-the-noncuff-nonlabral-postoperative-shoulder
#5
Christopher R Smith, Jason T Yoon, Jeremiah R Long, Michael V Friedman, Travis J Hillen, James D Stensby
Many radiologists are familiar with the preoperative imaging assessment of patients with labral tears, rotator cuff abnormalities, and end-stage arthritis, as well as the subsequent primary reconstructions and repairs commonly encountered in routine clinical management. However, the second-line surgical procedures and augmentation procedures performed for refractory or recurrent shoulder instability and the extra-articular surgical procedures of the shoulder girdle may challenge even the most experienced musculoskeletal radiologist...
November 22, 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29166197/combining-natural-ingredients-and-beliefs-the-dayak-tribe-s-experience-caring-for-sick-children-with-traditional-medicine
#6
Shinta Widiastuty Anggerainy, Dessie Wanda, Happy Hayati
Instead of seeking conventional health care, the Dayak tribe in Borneo, Indonesia, treats sick children at home with traditional medicine. The objective of this descriptive, qualitative study was to explore the Dayak tribe's use of traditional medicine to care for sick children. Comprehensive interviews were conducted with 10 caregivers, with collected data analyzed using content analysis. Key recurring themes identified were: 1) traditional medicine as first aid; 2) ease of access and cost-effectiveness; 3) traditional medicine was not always effective; 4) a combination of natural ingredients and beliefs; 5) the importance of "communicating" with plants; and 6) engagement with metaphysical forces...
2017: Compr Child Adolesc Nurs
https://www.readbyqxmd.com/read/29165377/a-novel-3d-pedestrian-navigation-method-for-a-multiple-sensors-based-foot-mounted-inertial-system
#7
Wei Yang, Chundi Xiu, Jianmin Zhang, Dongkai Yang
In this paper, we present a novel method for 3D pedestrian navigation of foot-mounted inertial systems by integrating a MEMS-IMU, barometer, and permanent magnet. Zero-velocity update (ZUPT) is a well-known algorithm to eliminate the accumulated error of foot-mounted inertial systems. However, the ZUPT stance phase detector using acceleration and angular rate is threshold-based, which may cause incorrect stance phase estimation in the running gait pattern. A permanent magnet-based ZUPT detector is introduced to solve this problem...
November 22, 2017: Sensors
https://www.readbyqxmd.com/read/29164156/disseminated-mycobacterium-avium-intracellulare-complex-infection-presenting-with-disseminated-intravascular-coagulation-in-an-aids-patient
#8
Folusakin Ayoade, James Cotelingam, Andrew Stevenson Joel Chandranesan
Disseminated Mycobacterium avium-intracellulare complex (MAC) infection is one of the relatively common opportunistic infections seen in severely immunocompromised AIDS patients. A constellation of clinical, laboratory, and pathological features involving multiple organ systems are often present in disseminated MAC infection but disseminated intravascular coagulation (DIC) has not been previously described in association with this condition. To our knowledge, this is the first reported case of DIC complicating disseminated MAC infection in an AIDS patient...
October 2017: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/29163933/a-novel-glomerular-basement-membrane-segmentation-using-neutrsophic-set-and-shearlet-transform-on-microscopic-images
#9
Yanhui Guo, Amira S Ashour, Baiqing Sun
Purpose: Glomerular basement membrane segmentation is an ultimate step in several image processing applications for kidney diseases and abnormalities in microscopic images. However, extracting the glomerular basement membrane (GBM) regions accurately is considered challenging because of the large variants in the microscopic images. The contribution of this work is to propose a computer-aided detection system to provide accurate GBM segmentation. Methods: A novel GBM segmentation algorithm is developed based on neutrsophic set and shearlet transform...
December 2017: Health Information Science and Systems
https://www.readbyqxmd.com/read/29163922/bright-and-sensitive-ratiometric-fluorescent-probe-enabling-endogenous-fa-imaging-and-mechanistic-exploration-of-indirect-oxidative-damage-due-to-fa-in-various-living-systems
#10
Kun Dou, Guang Chen, Fabiao Yu, Yuxia Liu, Lingxin Chen, Ziping Cao, Tao Chen, Yulin Li, Jinmao You
As a notorious toxin, formaldehyde (FA) poses an immense threat to human health. Aberrantly elevated FA levels lead to serious pathologies, including organ damage, neurodegeneration, and cancer. Unfortunately, current techniques limit FA imaging to general comparative studies, instead of a mechanistic exploration of its biological role, and this is presumably due to the lack of robust molecular tools for reporting FA in living systems. More importantly, despite being reductive, FA, however, can induce oxidative damage to organisms, thus providing a challenge to the mechanistic study of FA using fluorescence imaging...
November 1, 2017: Chemical Science
https://www.readbyqxmd.com/read/29163528/the-role-of-transforming-growth-factor-beta-1-in-the-progression-of-hiv-aids-and-development-of-non-aids-defining-fibrotic-disorders
#11
REVIEW
Annette J Theron, Ronald Anderson, Theresa M Rossouw, Helen C Steel
Even after attainment of sustained viral suppression following implementation of highly active antiretroviral therapy, HIV-infected persons continue to experience persistent, low-grade, systemic inflammation. Among other mechanisms, this appears to result from ongoing microbial translocation from a damaged gastrointestinal tract. This HIV-related chronic inflammatory response is paralleled by counteracting, but only partially effective, biological anti-inflammatory processes. Paradoxically, however, this anti-inflammatory response not only exacerbates immunosuppression but also predisposes for development of non-AIDS-related, non-communicable disorders...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29163395/role-of-soluble-innate-effector-molecules-in-pulmonary-defense-against-fungal-pathogens
#12
REVIEW
Soledad R Ordonez, Edwin J A Veldhuizen, Martin van Eijk, Henk P Haagsman
Fungal infections of the lung are life-threatening but rarely occur in healthy, immunocompetent individuals, indicating efficient clearance by pulmonary defense mechanisms. Upon inhalation, fungi will first encounter the airway surface liquid which contains several soluble effector molecules that form the first barrier of defense against fungal infections. These include host defense peptides, like LL-37 and defensins that can neutralize fungi by direct killing of the pathogen, and collectins, such as surfactant protein A and D, that can aggregate fungi and stimulate phagocytosis...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29163199/slow-breathing-can-be-operantly-conditioned-in-the-rat-and-may-reduce-sensitivity-to-experimental-stressors
#13
Donald J Noble, William N Goolsby, Sandra M Garraway, Karmarcha K Martin, Shawn Hochman
In humans, exercises involving slowed respiratory rate (SRR) counter autonomic sympathetic bias and reduce responses to stressors, including in individuals with various degrees of autonomic dysfunction. In the rat, we examined whether operant conditioning could lead to reductions in respiratory rate (RR) and performed preliminary studies to assess whether conditioned SRR was sufficient to decrease physiological and behavioral responsiveness to stressors. RR was continuously monitored during 20 2-h sessions using whole body plethysmography...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29163068/larger-subcortical-gray-matter-structures-and-smaller-corpora-callosa-at-age-5-years-in-hiv-infected-children-on-early-art
#14
Steven R Randall, Christopher M R Warton, Martha J Holmes, Mark F Cotton, Barbara Laughton, Andre J W van der Kouwe, Ernesta M Meintjes
Sub-Saharan Africa is home to 90% of HIV infected (HIV+) children. Since the advent of antiretroviral therapy (ART), HIV/AIDS has transitioned to a chronic condition where central nervous system (CNS) damage may be ongoing. Although, most guidelines recommend early ART to reduce CNS viral reservoirs, the brain may be more vulnerable to potential neurotoxic effects of ART during the rapid development phase in the first years of life. Here we investigate differences in subcortical volumes between 5-year-old HIV+ children who received early ART (before age 18 months) and uninfected children using manual tracing of Magnetic Resonance Images...
2017: Frontiers in Neuroanatomy
https://www.readbyqxmd.com/read/29162608/robotic-arm-assisted-versus-conventional-unicompartmental-knee-arthroplasty-exploratory-secondary-analysis-of-a-randomised-controlled-trial
#15
M J G Blyth, I Anthony, P Rowe, M S Banger, A MacLean, B Jones
OBJECTIVES: This study reports on a secondary exploratory analysis of the early clinical outcomes of a randomised clinical trial comparing robotic arm-assisted unicompartmental knee arthroplasty (UKA) for medial compartment osteoarthritis of the knee with manual UKA performed using traditional surgical jigs. This follows reporting of the primary outcomes of implant accuracy and gait analysis that showed significant advantages in the robotic arm-assisted group. METHODS: A total of 139 patients were recruited from a single centre...
November 2017: Bone & Joint Research
https://www.readbyqxmd.com/read/29162279/clinical-decision-support-of-radiotherapy-treatment-planning-a-data-driven-machine-learning-strategy-for-patient-specific-dosimetric-decision-making
#16
Gilmer Valdes, Charles B Simone, Josephine Chen, Alexander Lin, Sue S Yom, Adam J Pattison, Colin M Carpenter, Timothy D Solberg
BACKGROUND AND PURPOSE: Clinical decision support systems are a growing class of tools with the potential to impact healthcare. This study investigates the construction of a decision support system through which clinicians can efficiently identify which previously approved historical treatment plans are achievable for a new patient to aid in selection of therapy. MATERIAL AND METHODS: Treatment data were collected for early-stage lung and postoperative oropharyngeal cancers treated using photon (lung and head and neck) and proton (head and neck) radiotherapy...
November 18, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/29161860/modulation-of-first-passage-time-for-bursty-gene-expression-via-random-signals
#17
Qiuying Li, Lifang Huang, Jianshe Yu
The stochastic nature of cell-specific signal molecules (such as transcription factor, ribosome, etc.) and the intrinsic stochastic nature of gene expression process result in cell-to-cell variations at protein levels. Increasing experimental evidences suggest that cell phenotypic variations often depend on the accumulation of some special proteins. Hence, a natural and fundamental question is: How does input signal affect the timing of protein count up to a given threshold? To this end, we study effects of input signal on the first-passage time (FPT), the time at which the number of proteins crosses a given threshold...
October 2017: Mathematical Biosciences and Engineering: MBE
https://www.readbyqxmd.com/read/29161275/hiv-prevalence-and-behavioral-risk-factors-in-the-sudan-people-s-liberation-army-data-from-south-sudan
#18
Lauren P Courtney, Norman Goco, John Woja, Tonya Farris, Chris Cummiskey, Emily Smith, Lia Makuach, Helen M Chun
OVERVIEW: After two decades of civil war, South Sudan has limited published data on HIV prevalence and behavioral determinants of HIV infection risk. A surge in HIV/AIDS prevalence is a real concern for this new country with limited access to medical or HIV preventive services, and low education and literacy levels. We present findings from the first bio-behavioral surveillance survey conducted within the Sudan People's Liberation Army (SPLA). METHODS: A cross-sectional survey of 1,149 randomly selected soldiers from thirteen SPLA bases was conducted in two phases: July to August 2010 and April to May 2012...
2017: PloS One
https://www.readbyqxmd.com/read/29161069/characteristics-of-hiv-positive-transgender-men-receiving-medical-care-united-states-2009-2014
#19
Ansley Lemons, Linda Beer, Teresa Finlayson, Donna Hubbard McCree, Daniel Lentine, R Luke Shouse
OBJECTIVES: To present the first national estimate of the sociodemographic, clinical, and behavioral characteristics of HIV-positive transgender men receiving medical care in the United States. METHODS: This analysis included pooled interview and medical record data from the 2009 to 2014 cycles of the Medical Monitoring Project, which used a 3-stage, probability-proportional-to-size sampling methodology. RESULTS: Transgender men accounted for 0...
November 21, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/29159353/kinetically-enhanced-dna-detection-via-multiple-pass-exonuclease-iii-aided-target-recycling
#20
Henson L Lee Yu, Yinghua Zhang, I-Ming Hsing
One of the promising approaches to address the challenge of detecting dilute nucleic acid analytes is exonuclease III-aided target recycling. In this strategy, the target DNA self-assembles with the reactant DNA probes and displays itself as a reactant and product at the same time. This provides an autonomous mechanism to release and reuse the analyte from each round of reactions for repetitive cycles, which amplifies the signal without amplifying the analyte itself. However, for very low amounts of the analyte, it takes a considerably long time before a detectable signal is generated...
November 21, 2017: Analyst
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