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https://www.readbyqxmd.com/read/29161131/reflections-on-htm-compliance-and-patient-safety
#1
George Mills
No abstract text is available yet for this article.
November 2017: Biomedical Instrumentation & Technology
https://www.readbyqxmd.com/read/29161096/the-role-of-healthcare-technology-management-in-facilitating-medical-device-cybersecurity
#2
Mike Busdicker, Priyanka Upendra
This article discusses the role of healthcare technology management (HTM) in medical device cybersecurity and outlines concepts that are applicable to HTM professionals at a healthcare delivery organization or at an integrated delivery network, regardless of size. It provides direction for HTM professionals who are unfamiliar with the security aspects of managing healthcare technologies but are familiar with standards from The Joint Commission (TJC). It provides a useful set of recommendations, including relevant references for incorporating good security practices into HTM practice...
September 2, 2017: Biomedical Instrumentation & Technology
https://www.readbyqxmd.com/read/29160179/the-miage-calculator-a-dna-methylation-based-mitotic-age-calculator-of-human-tissue-types
#3
Ahrim Youn, Shuang Wang
Cell division is important in human aging and cancer. To estimate the number of cell divisions (mitotic age) of a given tissue type between individuals is of great interest as that not only allows to study biological aging using a new molecular aging target but also allows the stratification of prospective cancer risk. Here we introduce the MiAge Calculator, a mitotic age calculator based on a novel statistical framework, the MiAge model. MiAge is designed to quantitatively estimate mitotic age (total number of lifetime cell divisions) of a tissue using the stochastic replication errors accumulated in the epigenetic inheritance process during cell divisions...
November 21, 2017: Epigenetics: Official Journal of the DNA Methylation Society
https://www.readbyqxmd.com/read/29136453/randomized-phase-iii-trial-of-adjuvant-therapy-with-locoregional-interferon-beta-versus-surgery-alone-in-stage-ii-iii-cutaneous-melanoma-japan-clinical-oncology-group-study-jcog1309-j-feron
#4
Kenjiro Namikawa, Arata Tsutsumida, Tomonori Mizutani, Taro Shibata, Tatsuya Takenouchi, Shusuke Yoshikawa, Yoshio Kiyohara, Hiroshi Uchi, Masutaka Furue, Dai Ogata, Tetsuya Tsuchida, Naoya Yamazaki
The Dermatologic Oncology Group of Japan Clinical Oncology Group has started a randomized phase III trial to confirm the superiority of adjuvant therapy with locoregional interferon beta in overall survival over surgery alone for patients with pathological stage II/III cutaneous melanoma (JCOG1309). Patients in the interferon beta arm receive intra- or subcutaneous injections of interferon beta directly into the surgical site at a flat dose of 3 million units once per day. Treatment is repeated for 10 consecutive days every 8 weeks for a total of 3 courses during the induction phase, then 1-day injection every 4 weeks for 2...
July 1, 2017: Japanese Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29136187/a-phase-iii-trial-of-a-single-early-intravesical-instillation-of-pirarubicin-to-prevent-bladder-recurrence-after-radical-nephroureterectomy-for-upper-tract-urothelial-carcinoma-jcog1403-utuc-thp-phase-iii
#5
Kenichi Miyamoto, Akihiro Ito, Masashi Wakabayashi, Junko Eba, Yoichi Arai, Hiroyuki Nishiyama, Mikio Sugimoto, Ryo Yamashita, Yoshiyuki Kakehi
Observation is the current standard for managing cases of Stage 0a-III upper tract urothelial carcinoma after radical nephroureterectomy. A randomized Phase III trial commenced in Japan during October 2016. The trial is designed to investigate the superiority of a single early intravesical instillation of pirarubicin, compared with observation, in terms of relapse-free survival after radical nephroureterectomy for Stage 0a-III upper tract urothelial carcinoma. During a 5-year period, 310 patients will be recruited from 43 Japanese institutions...
November 9, 2017: Japanese Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29135571/validation-of-cancer-cases-using-primary-care-cancer-registry-and-hospitalization-data-in-the-uk
#6
Andrea V Margulis, Joan Fortuny, James A Kaye, Brian Calingaert, Maria Reynolds, Estel Plana, Lisa J McQuay, Willem Jan Atsma, Billy Franks, Stefan de Vogel, Susana Perez-Gutthann, Alejandro Arana
BACKGROUND: In the United Kingdom, hospital or cancer registry data can be linked to electronic medical records for a subset of general practices and years. METHODS: We used Clinical Practice Research Datalink data (2004-2012) from patients treated for overactive bladder. We electronically identified provisional cases of 10 common cancers in General Practitioner Online Database data and validated them by medical profile review. In practices with linkage to Hospital Episodes Statistics and National Cancer Data Repository (2004-2010), we validated provisional cancer cases against these data sources...
November 9, 2017: Epidemiology
https://www.readbyqxmd.com/read/29115373/yap-and-taz-mediate-steroid-induced-alterations-in-the-trabecular-meshwork-cytoskeleton-in-human-trabecular-meshwork-cells
#7
Jie Peng, Hailian Wang, Xin Wang, Minghan Sun, Shaoping Deng, Yi Wang
Primary open angle glaucoma is an important type of glaucoma as it is one of the most common causes of blindness. Previous studies have demonstrated that in glaucomatous patients, the human trabecular meshwork (HTM) is markedly stiffened. The purpose of the present study was to determine the regulatory role of Yes-associated protein (YAP) and transcriptional coactivator with PDZ-binding motif (TAZ) in HTM cells. Primary HTM cells were cultured with different concentrations of dexamethasone (DEX), and the expression levels of YAP and TAZ were evaluated using reverse transcription-quantitative polymerase chain reaction and western blotting...
October 23, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29111639/synergistic-effect-to-high-performance-perovskite-solar-cells-with-reduced-hysteresis-and-improved-stability-by-introduction-of-na-treated-tio2-and-spraying-deposited-cui-as-transport-layers
#8
Xin Li, Junyou Yang, Qinghui Jiang, Weijing Chu, Dan Zhang, Zhiwei Zhou, Jiwu Xin
For a typical perovskite solar cell (PKSC), both the electron transport layers (ETLs) and hole transport materials (HTMs) play very important role in improving the device performance and long term stability. In this paper, we firstly improve the electron transport properties by modification of TiO2 ETL with Na species, and an enhanced PCE of 16.91% has been obtained with less hysteresis. Subsequently, inorganic CuI film prepared by a facile spray deposition method has been employed to replace the conventional spiro-OMeTAD as the HTM in perovskite solar cells...
November 7, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29111557/a-novel-perovskite-solar-cell-design-using-aligned-tio2-nano-bundles-grown-on-a-sputtered-ti-layer-and-a-benzothiadiazole-based-dopant-free-hole-transporting-material
#9
Sadia Ameen, M Nazim, M Shaheer Akhtar, Mohammad Khaja Nazeeruddin, Hyung-Shik Shin
This work highlights the utilization of a novel hole-transporting material (HTM) derived from benzothiadiazole: 4-(3,5-bis(trifluoromethyl)phenyl)-7-(5'-hexyl-[2,2'-bithiophen]-5-yl)benzo[c][1,2,5]thiadiazole (CF-BTz-ThR) and aligned TiO2 nano-bundles (TiO2 NBs) as the electron transporting layer (ETL) for perovskite solar cells (PSCs). The aligned TiO2 NBs were grown on titanium (Ti)-coated FTO substrates using a facile hydrothermal method. The newly designed CF-BTz-ThR molecule with suitable highest occupied molecular orbital (HOMO) favored the effective hole injection from perovskite deposited aligned TiO2 NBs thin film...
November 16, 2017: Nanoscale
https://www.readbyqxmd.com/read/29083100/mefloquine-for-preventing-malaria-during-travel-to-endemic-areas
#10
REVIEW
Maya Tickell-Painter, Nicola Maayan, Rachel Saunders, Cheryl Pace, David Sinclair
BACKGROUND: Mefloquine is one of four antimalarial agents commonly recommended for preventing malaria in travellers to malaria-endemic areas. Despite its high efficacy, there is controversy about its psychological side effects. OBJECTIVES: To summarize the efficacy and safety of mefloquine used as prophylaxis for malaria in travellers. SEARCH METHODS: We searched the Cochrane Infectious Diseases Group Specialized Register; the Cochrane Central Register of Controlled Trials (CENTRAL), published on the Cochrane Library; MEDLINE; Embase (OVID); TOXLINE (https://toxnet...
October 30, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29080912/baicalin-alleviates-oxidative-stress-damage-in-trabecular-meshwork-cells-in-vitro
#11
Lei Gong, Jianfeng Zhu
Oxidative stress and inflammation play a key role in pathophysiology of glaucoma. Baicalin is known as an anti-oxidative and anti-inflammatory substance, possessing the potential to treat glaucoma. This study was designed to assess the anti-oxidative and anti-inflammatory potentials in culture human trabecular meshwork (hTM) cells. Using hTM cells as the in vitro model, we investigated the effects of baicalin on oxidative stress-induced markers for hTM impairments. We pre-incubated hTM cells with baicalin before hydrogen peroxide stressing or pre- plus co-incubated with baicalin before and during stressing and monitored the cell death, production of intracellular reactive oxygen species (iROS) and inflammatory cytokines, accumulation of carbonylated proteins, and activity of senescence marker...
October 28, 2017: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/29064230/development-of-dopant-free-donor-acceptor-type-hole-transporting-material-for-highly-efficient-and-stable-perovskite-solar-cells
#12
Jin Hyuck Heo, Sungmin Park, Sang Hyuk Im, Hae Jung Son
In perovskite solar cells (PSCs), overlying hole transporting materials (HTMs) are important for achieving high efficiencies as well as protecting perovskite active layers from degradation factors. This study reports the synthesis of a dopant-free HTM based on a D'-A-D-A-D-A-D' (D, D': electron donor, A: electron acceptor) conjugated structure and incorporation of the HTM into a PSC. The resulting PSC exhibits a high efficiency of 17.3%, which is comparable to that of the device based on doped spiro-OMeTAD HTM, and exhibits much improved stability: without encapsulation, the PSC based on the new HTM was found to retain 80% of its initial performance over 500 h under the conditions of 60% relative humidity/1 sun light-soaking without encapsulation...
November 1, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29064135/approaches-for-selective-synthesis-of-ullazine-donor-acceptor-systems
#13
Nikita A Drigo, Sanghyun Paek, Aron J Huckaba, Pascal A Schouwink, Nouar Tabet, Mohammad K Nazeeruddin
Methods for effective synthesis for the four possible isomeric 3,9-diphenylullazine carboxaldehydes and reactive halogen intermediates are described. Ullazine donor-acceptor (D-A) dyes were studied using UV/Vis, photoluminescence (PL) spectroscopy and cyclic voltammetry. X-ray single crystal diffraction analysis independently confirmed the structures of two key intermediates. A D-A dye based on ullazine with dihexylmalonate acceptor was tested as a dopant-free hole-transporting material (HTM) in a perovskite solar cell, exhibiting promising power conversion efficiency (PCE) reaching 13...
October 24, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/29052105/impact-of-previous-drug-eluting-stent-restenosis-in-non-left-main-coronary-artery-lesions-on-long-term-outcomes-after-left-main-coronary-artery-stenting-an-observation-from-the-aoi-lmca-registry
#14
Hirooki Higami, Mamoru Toyofuku, Takeshi Morimoto, Masanobu Ohya, Yasushi Fuku, Kyohei Yamaji, Hiromi Muranishi, Yuhei Yamaji, Koji Nishida, Daisuke Furukawa, Tomohisa Tada, Euihong Ko, Kenji Ando, Hiroki Sakamoto, Takashi Tamura, Kazuya Kawai, Kazushige Kadota, Takeshi Kimura
We hypothesized that patients who had previous target-lesion revascularization (TLR) for DES restenosis in non-left main coronary artery (LMCA) lesions might have a higher risk for restenosis after subsequent DES implantation for a de novo unprotected LMCA lesion. Among 1809 patients enrolled in the Assessing Optimal Percutaneous Coronary Intervention for LMCA (AOI-LMCA) registry, which is a retrospective 6-centre registry of consecutive patients undergoing LMCA stenting in Japan, 251 patients with previous DES implantation for non-LMCA lesions were subdivided into the 2 groups with (N = 56) or without (N = 195) previous TLR in non-LMCA lesions...
October 19, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28981739/phase-iii-trial-to-confirm-the-superiority-of-pelvic-and-para-aortic-lymphadenectomy-to-pelvic-lymphadenectomy-alone-for-endometrial-cancer-japan-clinical-oncology-group-study-1412-sepal-p3
#15
Hidemichi Watari, Hiroshi Katayama, Taro Shibata, Kimio Ushijima, Toyomi Satoh, Takashi Onda, Daisuke Aoki, Haruhiko Fukuda, Nobuo Yaegashi, Noriaki Sakuragi
To prospectively investigate the survival benefit of para-aortic lymphadenectomy, we launched a new study, the JCOG1412. This is a randomized Phase III trial to confirm the superiority of pelvic and para-aortic lymphadenectomy to pelvic lymphadenectomy alone. Patients corresponding to possible FIGO Stage IB, II, IIIA, IIIB, and a part of IIIC1 are eligible for the first registration before surgery. Next, those patients without evidence of para-aortic lymph node metastasis and multiple pelvic lymph node metastasis during surgery will be included in the second registration and randomized to either the pelvic lymphadenectomy alone arm or the pelvic and para-aortic lymphadenectomy arm...
October 1, 2017: Japanese Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28981573/opats-omnibus-p-value-association-tests
#16
Chia-Wei Chen, Hsin-Chou Yang
Combining statistical significances (P-values) from a set of single-locus association tests in genome-wide association studies is a proof-of-principle method for identifying disease-associated genomic segments, functional genes and biological pathways. We review P-value combinations for genome-wide association studies and introduce an integrated analysis tool, Omnibus P-value Association Tests (OPATs), which provides popular analysis methods of P-value combinations. The software OPATs programmed in R and R graphical user interface features a user-friendly interface...
July 10, 2017: Briefings in Bioinformatics
https://www.readbyqxmd.com/read/28973327/estimating-human-trabecular-meshwork-stiffness-by-numerical-modeling-and-advanced-oct-imaging
#17
Ke Wang, Murray A Johnstone, Chen Xin, Shaozhen Song, Steven Padilla, Janice A Vranka, Ted S Acott, Kai Zhou, Stephen A Schwaner, Ruikang K Wang, Todd Sulchek, C Ross Ethier
Purpose: The purpose of this study was to estimate human trabecular meshwork (hTM) stiffness, thought to be elevated in glaucoma, using a novel indirect approach, and to compare results with direct en face atomic force microscopy (AFM) measurements. Methods: Postmortem human eyes were perfused to measure outflow facility and identify high- and low-flow regions (HF, LF) by tracer. Optical coherence tomography (OCT) images were obtained as Schlemm's canal luminal pressure was directly manipulated...
September 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28949474/ineffective-healthcare-technology-management-in-benin-s-public-health-sector-the-perceptions-of-key-actors-and-their-ability-to-address-the-main-problems
#18
P Thierry Houngbo, Tjard De Cock Buning, Joske Bunders, Harry L S Coleman, Daton Medenou, Laurent Dakpanon, Marjolein Zweekhorst
BACKGROUND: Low-income countries face many contextual challenges to manage healthcare technologies effectively, as the majority are imported and resources are constrained to a greater extent. Previous healthcare technology management (HTM) policies in Benin have failed to produce better quality of care for the population and costeffectiveness for the government. This study aims to identify and assess the main problems facing HTM in Benin's public health sector, as well as the ability of key actors within the sector to address these problems...
February 20, 2017: International Journal of Health Policy and Management
https://www.readbyqxmd.com/read/28934571/htm-leader-looks-to-make-inroads-into-middle-eastern-healthcare
#19
Yahya S Ghazanfar
No abstract text is available yet for this article.
2017: Biomedical Instrumentation & Technology
https://www.readbyqxmd.com/read/28934570/htm-departments-should-operate-like-a-business-response-to-cohen
#20
LETTER
Kenneth E Maddock
No abstract text is available yet for this article.
2017: Biomedical Instrumentation & Technology
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