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Technology evaluation

Joel E Abbott, Roger L Sur
The aim of this paper was to evaluate the current technology and designs of flexible ureterorenoscopes. We will review contemporary fiberoptic and digital ureteroscopes, including a discussion on ureteroscope damage and repair, and lastly present the projected future of flexible ureterorenoscopy. Ureterorenoscopy has evolved dramatically over the past several decades, which has led to landscape reshaping of stone disease treatment and upper tract pathology. Advancements in tip control, miniaturization of scopes, introduction of a digital chip on the tip, disposable devices to augment surgery, surgical experience/familiarity and most recently single use scopes are all independent factors that have increased flexible ureterorenoscopy adoption and success...
October 19, 2016: Minerva Urologica e Nefrologica, the Italian Journal of Urology and Nephrology
N Aleksandrova, E Shubina, A Ekimov, T Kodyleva, I Mukosey, N Makarova, E Kulakova, L Levkov, D Trofimov, G Sukhikh
Chromosomal aneuploidies are known for being the main cause of abnormal development of embryos with normal morphology, their implantation failure and early reproductive losses in IVF treatments. Preimplantation genetic screening (PGS) allows selecting embryos with normal chromosomal content and increases IVF treatment efficiency due to higher implantation rates and less frequent early pregnancy losses. New technologies used for PGS allow making genome-wide analysis of the presence of all chromosomes in embryos...
October 2016: Gynecological Endocrinology
Irina A Tikhonova, Martin W Hoyle, Tristan M Snowsill, Chris Cooper, Joanna L Varley-Campbell, Claudius E Rudin, Ruben E Mujica Mota
The National Institute for Health and Care Excellence (NICE) invited the manufacturer of azacitidine (Celgene) to submit evidence for the clinical and cost effectiveness of this drug for the treatment of acute myeloid leukaemia with more than 30 % bone marrow blasts in adults who are not eligible for haematopoietic stem cell transplantation, as part of the NICE's Single Technology Appraisal process. The Peninsula Technology Assessment Group was commissioned to act as the Evidence Review Group (ERG). The ERG produced a critical review of the evidence contained within the company's submission to NICE...
October 17, 2016: PharmacoEconomics
Asrul Akmal Shafie, Chin Hui Ng, Yui Ping Tan, Nathorn Chaiyakunapruk
BACKGROUND: Insulin analogues have a pharmacokinetic advantage over human insulin and are increasingly used to treat diabetes mellitus. A summary of their cost effectiveness versus other available treatments was required. OBJECTIVE: Our objective was to systematically review the published cost-effectiveness studies of insulin analogues for the treatment of patients with type 1 diabetes mellitus (T1DM) and type 2 diabetes mellitus (T2DM). METHODS: We searched major databases and health technology assessment agency reports for economic evaluation studies published up until 30 September 2015...
October 17, 2016: PharmacoEconomics
Eduard Poltavskiy, J David Spence, Jeehyoung Kim, Heejung Bang
In the modern era, with high-throughput technology and large data size, associational studies are actively being generated. Some have statistical and clinical validity and utility, or at least have biologically plausible relationships, while others may not. Recently, the potential effect of birth month on lifetime disease risks has been studied in a phenome-wide model. We evaluated the associations between birth month and 5 cardiovascular disease-related outcomes in an independent registry of 8,346 patients from Ontario, Canada in 1977-2014...
2016: Online Journal of Public Health Informatics
Bożena Karolewicz
In the article, groups of multifunctional polymers used in drug dosage form technology were classified and evaluated. These compounds, in addition to their basic function as excipients, may have additional properties, e.g. stimuli sensitivity, enzyme inhibition, intestinal epithelium penetration enhancement, efflux pump inhibition, taste-masking, pharmacological activity and the ability to interact with enzymes responsible for drug metabolism. While classifying specific groups of multifunctional polymers, special emphasis was placed on the advantages of using them when designing new drug...
September 2016: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
H Chen, T Zhao, Y Wang, Y C Sun
OBJECTIVE: To establish a digital method for production of custom trays for edentulous jaws using fused deposition modeling (FDM) based on three-dimensional (3D) scans of primary jaw impressions, and to quantitatively evaluate the accuracy. METHODS: A red modeling compound was used to make a primary impression of a standard maxillary edentulous plaster model. The plaster model data and the primary impression tissue surface data were obtained using a 3D scanner. In the Gemomagic 2012 software, several commands were used, such as interactive drawing curves, partial filling holes, local offset, bodily offset, bodily shell, to imitate clinical procedures of drawing tray boundary, filling undercut, buffer, and generating the tray body...
October 18, 2016: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
H Wang, P J Lv, Y Wang, Y C Sun
OBJECTIVE: To quantitatively evaluate the assembly precision of fabricating complete denture by computer numerical control (CNC) in manufacturing dentition and baseplate separately plus adhesive molding. METHODS: The 3D surface data of a standard edentulous maxilla plaster cast model and the temporary base-plate were obtained using an Activity 880 3D scanner. The data (data1) of a complete denture were designed using a set of computer aided design (CAD) software developed by the research group of this study...
October 18, 2016: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
Y H Kou, B G Jiang
Peripheral nerve defects are still a major challenge in clinical practice, and the most commonly used method of treatment for peripheral nerve defects is nerve transplantation, which has certain limitations and shortcomings, so new repair methods and techniques are needed. The peripheral nerve is elongated in limb lengthening surgery without injury, from which we got inspirations and proposed a new method to repair peripheral nerve defects: peripheral nerve elongation. The peripheral nerve could beelongated by a certain percent, but the physiological change and the maximum elongation range were still unknown...
October 18, 2016: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
Jin Gu, He-Shui Shi, Ping Han, Jie Yu, Gui-Na Ma, Sheng Wu
This study sought to compare the image quality and radiation dose of coronary computed tomography angiography (CCTA) from prospectively triggered 128-slice CT (128-MSCT) versus dual-source 64-slice CT (DSCT). The study was approved by the Medical Ethics Committee at Tongji Medical College of Huazhong University of Science and Technology. Eighty consecutive patients with stable heart rates lower than 70 bpm were enrolled. Forty patients were scanned with 128-MSCT, and the other 40 patients were scanned with DSCT...
October 18, 2016: Scientific Reports
Steven L Clark, Emily Hamilton, Thomas J Garite, Audra Timmins, Philip A Warrick, Samuel Smith
BACKGROUND: Despite intensive efforts directed at initial training in fetal heart rate interpretation, continuing medical education, board certification/recertification, team training and the development of specific protocols for the management of abnormal fetal heart rate patterns, the goals of consistently preventing hypoxia-induced fetal metabolic acidemia and neurologic injury remain elusive. OBJECTIVE: To validate a recently published algorithm for the management of category II fetal heart rate tracings , examine reasons for the birth of infants with significant metabolic acidemia despite the use of electronic fetal heart rate monitoring and critically examine the limits of EFHRM in the prevention of neonatal metabolic acidemia...
October 14, 2016: American Journal of Obstetrics and Gynecology
Sabine Fuchs, Britta Olberg, Dimitra Panteli, Matthias Perleth, Reinhard Busse
OBJECTIVES: Health Technology Assessment (HTA) of Medical devices (MDs) and MD-based procedures can be challenging due to the unique features and particularities of this group of technologies, such as device-operator interaction. The aim of this study was to (1) clarify, and supplement earlier findings on European HTA institutions' structural, procedural and methodological characteristics with regard to the assessment of MDs and to (2) capture the institutions' perceptions regarding challenges and future trends...
September 14, 2016: Health Policy
Matthias Eckert, Philipp Gölitz, Hannes Lücking, Tobias Struffert, Frauke Knossalla, Arnd Doerfler
BACKGROUND: Using flat-detector CT (FD-CT) for stroke imaging has the advantage that both diagnostic imaging and endovascular therapy can be performed directly within the Angio Suite without any patient transfer and time delay. Thus, stroke management could be speeded up significantly, and patient outcome might be improved. But as precondition for using FD-CT as primary imaging modality, a reliable exclusion of intracranial hemorrhage (ICH) has to be possible. This study aimed to investigate whether optimized native FD-CT, using a newly implemented reconstruction algorithm, may reliably detect ICH in stroke patients...
October 18, 2016: Cerebrovascular Diseases
Chikara Ogawa, Yasunori Minami, Masahiro Morita, Teruyo Noda, Soichi Arasawa, Masako Izuta, Atsushi Kubo, Toshihiro Matsunaka, Hiroyuki Tamaki, Mitsushige Shibatoge, Masatoshi Kudo
PURPOSE: Transcatheter arterial chemoembolization (TACE) is one of the most effective therapeutic options for hepatocellular carcinoma (HCC) and it is important to protect residual liver function after treatment as well as the effect. To reduce the liver function deterioration, we evaluated the automatic software to predict the embolization area of TACE in 3 dimensions. MATERIALS AND METHODS: Automatic prediction software of embolization area was used in chemoembolization of 7 HCCs...
2016: Digestive Diseases
Jun-Hu Cheng, Bart Nicolai, Da-Wen Sun
Muscle foods are very important for a well-balanced daily diet. Due to their perishability and vulnerability, there is a need for quality and safety evaluation of such foods. Hyperspectral imaging (HSI) coupled with multivariate analysis is becoming increasingly popular for the non-destructive, non-invasive, and rapid determination of important quality attributes and the classification of muscle foods. This paper reviews recent advances of application of HSI for predicting some significant muscle foods parameters, including color, tenderness, firmness, springiness, water-holding capacity, drip loss and pH...
October 1, 2016: Meat Science
Habteab Habtom, Sandrine Demanèche, Lorna Dawson, Chen Azulay, Ofra Matan, Patrick Robe, Ron Gafny, Pascal Simonet, Edouard Jurkevitch, Zohar Pasternak
The ubiquity and transferability of soil makes it a resource for the forensic investigator, as it can provide a link between agents and scenes. However, the information contained in soils, such as chemical compounds, physical particles or biological entities, is seldom used in forensic investigations; due mainly to the associated costs, lack of available expertise, and the lack of soil databases. The microbial DNA in soil is relatively easy to access and analyse, having thus the potential to provide a powerful means for discriminating soil samples or linking them to a common origin...
October 6, 2016: Forensic Science International. Genetics
Elisa Tardelli, Sara Mazzarri, Domenico Rubello, Marta Gennaro, Lorenzo Fantechi, Valerio Duce, Antonella Romanini, Sotirios Chondrogiannis, Duccio Volterrani, Patrick M Colletti, Gianpiero Manca
Melanoma is an important public health problem, and its incidence is increasing worldwide. The disease status of regional lymph nodes is the most important prognostic factor in early-stage melanoma patients. Sentinel lymph node biopsy (SLNB) was introduced in the early 1990s as a less invasive procedure than complete lymph node dissection to allow histopathologic evaluation of the "sentinel lymph node" (SLN), which is the first node along the lymphatic pathway from a primary tumor. Sentinel lymph node biopsy has minimal complication risks compared with standard complete lymph node dissection...
October 5, 2016: Clinical Nuclear Medicine
Vladica Čudić, Dragoslava Stojiljković, Aleksandar Jovović
Phytoremediation is an emerging technology that employs higher plants to cleanup contaminated environments, including metal-polluted soils. Because it produces a biomass rich in extracted toxic metals, further treatment of this biomass is necessary. The aim of our study was to assess the five-year potential of the following native wild plants to produce biomass and remove heavy metals from a polluted site: poplar (Populus ssp.), ailanthus (Ailanthus glandulosa L.), false acacia (Robinia pseudoacacia L.), ragweed (Artemisia artemisiifolia L...
September 1, 2016: Arhiv za Higijenu Rada i Toksikologiju
M Raj, S W Choi, J Platt
Informed consent (IC) struggles to meet the ethical principles it strives to embody in the context of hematopoietic cell transplantation (HCT). Patients often participate in multiple clinical trials making it difficult to effectively inform the participants and fulfill complex regulations. The recent Notice of Proposed Rule Making would make major changes to federal requirements, providing a timely opportunity to evaluate existing practice. Twenty health care professionals within a Midwest Academic Medical Center involved in obtaining IC in the HCT clinic or involved in patient care during or after the IC process were interviewed to understand: (1) how they approached the IC process; (2) how they described a 'successful' IC process; and (3) opportunities for innovation...
October 17, 2016: Bone Marrow Transplantation
Sairam Parthasarathy, Mary A Carskadon, Girardin Jean-Louis, Judith Owens, Adam Bramoweth, Daniel Combs, Lauren Hale, Elizabeth Harrison, Chantelle N Hart, Brant P Hasler, Sarah M Honaker, Elisabeth Hertenstein, Samuel Kuna, Clete Kushida, Jessica C Levenson, Caitlin Murray, Allan I Pack, Vivek Pillai, Kristi Pruiksma, Azizi Seixas, Patrick Strollo, Saurabh S Thosar, Natasha Williams, Daniel Buysse
A wealth of scientific knowledge is being generated in sleep and circadian science. In order for us to realize the return on investment for such scientific knowledge and to improve the health of the nation, we need to disseminate and implement research findings into practice. An implementation gap - termed a "quality chasm" by the Institutes of Medicine - separates the scientific knowledge we possess and the implementation of such knowledge into preventative interventions or healthcare treatments. It is frequently reported that a time lag of 17 years transpires before medical research reaches clinical practice...
October 10, 2016: Sleep
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