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https://www.readbyqxmd.com/read/28420531/high-throughput-determination-of-vancomycin-in-human-plasma-by-a-cost-effective-system-of-two-dimensional-liquid-chromatography
#1
Yanghao Sheng, Boting Zhou
Therapeutic drug monitoring (TDM) is one of the most important services of clinical laboratories. Two main techniques are commonly used: the immunoassay and chromatography method. We have developed a cost-effective system of two-dimensional liquid chromatography with ultraviolet detection (2D-LC-UV) for high-throughput determination of vancomycin in human plasma that combines the automation and low start-up costs of the immunoassay with the high selectivity and sensitivity of the liquid chromatography coupled with mass spectrometric detection without incurring their disadvantages, achieving high cost-effectiveness...
February 27, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28404952/high-throughput-detection-of-clinically-targetable-alterations-using-next-generation-sequencing
#2
Julie A Vendrell, David Grand, Isabelle Rouquette, Valérie Costes, Samira Icher, Janick Selves, Marion Larrieux, Aurore Barbe, Pierre Brousset, Jérôme Solassol
Next-generation sequencing (NGS) has revolutionized the therapeutic care of patients by allowing high-throughput and parallel sequencing of large numbers of genes in a single run. However, most of available commercialized cancer panels target a large number of mutations that do not have direct therapeutic implications and that are not fully adapted to low quality formalin-fixed, paraffin-embedded (FFPE) samples. Here, we designed an amplicon-based NGS panel assay of 16 currently actionable genes according to the most recent recommendations of the French National Cancer Institute (NCI)...
March 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28398746/sensitive-immunoassay-for-detection-and-quantification-of-the-neurotoxin-tetramethylenedisulfotetramine-tets
#3
Natalia Vasylieva, Bogdan Barnych, Amelia Ann Rand, Bora Inceoglu, Shirley J Gee, Bruce D Hammock
Tetramethylenedisulfotetramine (TETS, tetramine) is a formerly used and highly neurotoxic rodenticide. Its lethality, recent history of intentional use for mass poisoning and the absence of a known antidote raises public health concerns. Therefore, rapid, high throughput and sensitive methods for detection and quantification of TETS are critical. Instrumental analysis method such as GC/MS is sensitive but not rapid or high-throughput. Therefore, an immunoassay selective to TETS was developed. The assay shows an IC50 of 4...
April 11, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28376563/the-effect-of-access-to-electronic-health-records-on-throughput-efficiency-and-imaging-utilization-in-the-emergency-department
#4
Matthew M Knepper, Edward M Castillo, Theodore C Chan, David A Guss
STUDY OBJECTIVE: To evaluate whether the availability of Electronic Health Records (EHRs) reduces throughput time and utilization of advanced imaging for patients in an academic ED. DATA SOURCES: All patients arriving at an academic Emergency Department (ED) via ambulance between June 1, 2011, and June 4, 2012, were included in the study. This accounted for 9,970 unique ambulance patient visits. STUDY DESIGN: Retrospective noninterventional analysis of patients in an academic ED...
April 4, 2017: Health Services Research
https://www.readbyqxmd.com/read/28346095/identification-by-high-throughput-screening-of-pseudomonas-acyl-coenzyme-a-synthetase-inhibitors
#5
Lorenzo Turcano, Daniela Visaggio, Emanuela Frangipani, Antonino Missineo, Matteo Andreini, Sergio Altamura, Paolo Visca, Alberto Bresciani
Pseudomonas infections are common among hospitalized, immunocompromised, and chronic lung disease patients. These infections are recalcitrant to common antibacterial therapies due to inherent antibiotic resistance. To meet the need of new anti- Pseudomonas drugs, a sensitive, homogenous, and robust assay was developed with the aim of identifying inhibitors of acyl-coenzyme A synthetases (ACSs) from Pseudomonas. Given the importance of fatty acids for in vivo nutrition of Pseudomonas, such inhibitors might have the potential to reduce the bacterial fitness during infection...
January 1, 2017: SLAS Discovery
https://www.readbyqxmd.com/read/28334556/impact-of-a-hospitalwide-quality-improvement-initiative-on-emergency-department-throughput-and-crowding-measures
#6
James D Melton, Fred Blind, A Brad Hall, Maureen Leckie, April Novotny
BACKGROUND: This pre- and postintervention analysis evaluates the impact of a systemwide, comprehensive, executively supported quality improvement (QI) project on emergency department (ED) throughput measures and crowding in a large nonacademic community hospital. METHODS: The two primary endpoints used to assess the impact of the project were (1) the percentage of all patients who were door-in to door-out in less than three hours and (2) the percentage of patients who left without being seen (LWBS)...
December 2016: Joint Commission Journal on Quality and Patient Safety
https://www.readbyqxmd.com/read/28333338/drug-discovery-for-male-subfertility-using-high-throughput-screening-a-new-approach-to-an-unsolved-problem
#7
Sarah J Martins da Silva, Sean G Brown, Keith Sutton, Louise V King, Halil Ruso, David W Gray, Paul G Wyatt, Mark C Kelly, Christopher L R Barratt, Anthony G Hope
STUDY QUESTION: Can pharma drug discovery approaches be utilized to transform investigation into novel therapeutics for male infertility? SUMMARY ANSWER: High-throughput screening (HTS) is a viable approach to much-needed drug discovery for male factor infertility. WHAT IS KNOWN ALREADY: There is both huge demand and a genuine clinical need for new treatment options for infertile men. However, the time, effort and resources required for drug discovery are currently exorbitant, due to the unique challenges of the cellular, physical and functional properties of human spermatozoa and a lack of appropriate assay platform...
May 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28325207/using-a-systematic-framework-of-interventions-to-improve-early-discharges
#8
Hemali Patel, Sasha Morduchowicz, Michelle Mourad
BACKGROUND: Late-afternoon hospital discharges can lead to admission bottlenecks and negatively affect the flow of patients needing hospital admission. Delays in discharge are a prevalent health care problem and have been linked to increased length of stay, lower patient satisfaction scores, and adverse outcomes. As a result, hospitals are placing a renewed emphasis on early discharge as a way to reduce admission delays and achieve optimal patient flow. This study shows that the Model for Improvement (MFI) is an effective approach for complex improvement efforts...
April 2017: Joint Commission Journal on Quality and Patient Safety
https://www.readbyqxmd.com/read/28317854/sets-of-serum-exosomal-micrornas-as-candidate-diagnostic-biomarkers-for-kawasaki-disease
#9
Hong-Ling Jia, Chao-Wu Liu, Li Zhang, Wei-Jun Xu, Xue-Juan Gao, Jun Bai, Yu-Fen Xu, Ming-Guo Xu, Gong Zhang
Although Kawasaki disease is the main cause of acquired heart disease in children, no diagnostic biomarkers are available. We aimed to identify candidate biomarkers for diagnosing Kawasaki disease using serum exosomal microRNAs (miRNAs). Using frozen serum samples from a biobank, high-throughput microarray technologies, two-stage real-time quantitative PCR, and a self-referencing strategy for data normalization, we narrowed down the list of biomarker candidates to a set of 4 miRNAs. We further validated the diagnostic capabilities of the identified miRNAs (namely, CT(miR-1246)-CT(miR-4436b-5p) and CT(miR-197-3p)-CT(miR-671-5p)) in 79 samples from two hospitals...
March 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28304241/wireless-teleophthalmology-a-novel-low-cost-flexible-network-architecture-and-its-performance-evaluation-for-remote-eye-care-solutions
#10
Shashwat Pathak, Basant Kumar
INTRODUCTION: This article proposes a novel, cost-effective, flexible, and easy-to-deploy wireless teleophthalmology network architecture and performance evaluation for its potential use in remote areas. This study has used practical telecommunication standards, which is widely deployed throughout India. METHODS: In the proposed scenario, patient's eye images are obtained using a specified imaging modality, and then sent to a server at the primary eye care centre (PECC) using ZigBee a short-range wireless network...
March 17, 2017: Telemedicine Journal and E-health: the Official Journal of the American Telemedicine Association
https://www.readbyqxmd.com/read/28279543/emergency-department-holding-orders
#11
Stephen J Traub, M'Hamed Temkit, Soroush Saghafian
BACKGROUND: Holding orders help transition admitted emergency department (ED) patients to hospital beds. OBJECTIVE: To describe the effect of ED holding orders. METHODS: We conducted a single-site retrospective study of ward admissions from the ED to the hospital internal medicine (HIM) service over 2 years. Patients were classified based on whether the ED did (group 1) or did not (group 2) write holding orders; group 1 was subdivided into patients sent to the floor with only ED holding orders (group 1A) vs...
March 6, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28265773/first-complete-genome-sequence-of-a-virulent-bacteriophage-infecting-the-opportunistic-pathogen-serratia-rubidaea
#12
Shaozhen Xing, Taping Ma, Xianglilan Zhang, Yong Huang, Zhiqiang Mi, Qiang Sun, Xiaoping An, Hang Fan, Shuhui Wu, Lin Wei, Yigang Tong
A Serratia rubidaea phage, vB_Sru IME250, was isolated from hospital sewage. The morphology suggested that phage vB_Sru IME250 should be classified as a member of the family Myoviridae. High-throughput sequencing revealed that the phage genome has 154,938 nucleotides and consists of 193 coding DNA sequences, 90 of which have putative functions. The genome of vB_Sru IME250 is a linear, double-stranded DNA with an average GC content of 40.04%. The phage has a relatively high similarity to Klebsiella phage 0507-KN2-1, with a genome coverage of 84%...
March 6, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28255014/macrothrombocytopenia-and-dense-granule-deficiency-associated-with-fli1-variants-ultrastructural-and-pathogenic-features
#13
Paul Saultier, Léa Vidal, Matthias Canault, Denis Bernot, Céline Falaise, Catherine Pouymayou, Jean-Claude Bordet, Noémie Saut, Agathe Rostan, Véronique Baccini, Franck Peiretti, Marie Favier, Pauline Lucca, Jean-François Deleuze, Robert Olaso, Anne Boland, Pierre Emmanuel Morange, Christian Gachet, Fabrice Malergue, Sixtine Fauré, Anita Eckly, David-Alexandre Trégouët, Marjorie Poggi, Marie-Christine Alessi
Congenital macrothrombocytopenia is a family of rare diseases, of which a significant fraction remains to be genetically characterized. To analyze cases of unexplained thrombocytopenia, 27 individuals from a patient cohort of the Bleeding and Thrombosis Exploration Center of the University Hospital of Marseille were recruited for a high-throughput gene sequencing study. This strategy led to the identification of two novel FLI1 variants (c.1010G>A and c.1033A>G) responsible for macrothrombocytopenia. The FLI1 variant carriers platelets exhibited a defect in aggregation induced by low dose ADP, collagen and TRAP, a defect in ATP secretion, a reduced mepacrine uptake and release and a reduced CD63 expression upon TRAP stimulation...
March 2, 2017: Haematologica
https://www.readbyqxmd.com/read/28215481/clinical-and-histopathological-characteristics-of-patients-with-prostate-cancer-in-the-biobank-japan-project
#14
Shigekazu Ukawa, Koshi Nakamura, Emiko Okada, Makoto Hirata, Akiko Nagai, Zentaro Yamagata, Kaori Muto, Koichi Matsuda, Toshiharu Ninomiya, Yutaka Kiyohara, Yoichiro Kamatani, Michiaki Kubo, Yusuke Nakamura, Akiko Tamakoshi
BACKGROUND: Prostate cancer is the sixth leading cause of cancer-related deaths in Japan. We aimed to elucidate the clinical and histopathological characteristics of patients with prostate cancer in the BioBank Japan (BBJ) project. METHODS: Four thousand, seven hundred and ninety-three patients diagnosed with prostate cancer in the BBJ project were included. Clinical and histopathological data, including causes of death, were analyzed. Relative survival (RS) rates of prostate cancer were calculated...
March 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28214185/characteristics-of-patients-with-liver-cancer-in-the-biobank-japan-project
#15
Shigekazu Ukawa, Emiko Okada, Koshi Nakamura, Makoto Hirata, Akiko Nagai, Koichi Matsuda, Zentaro Yamagata, Yoichiro Kamatani, Toshiharu Ninomiya, Yutaka Kiyohara, Kaori Muto, Michiaki Kubo, Yusuke Nakamura, Akiko Tamakoshi
BACKGROUND: Liver cancer is the fifth cause of cancer-related deaths in Japan. The BioBank Japan (BBJ) project included 200,000 patients with 47 diseases and samples; their clinical information can be used for further studies. METHODS: Patients diagnosed with liver cancer (n = 1733; 1316 men, 417 women) were included. Histology, patient characteristics, clinical characteristics, and causes of death were collected. Cumulative and relative survival rates for liver cancer were calculated...
March 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28168002/hepatitis-c-virus-seroprevalence-in-the-general-female-population-of-9-countries-in-europe-asia-and-africa
#16
Gary M Clifford, Tim Waterboer, Bolormaa Dondog, You Lin Qiao, Dimitri Kordzaia, Doudja Hammouda, Namory Keita, Nahid Khodakarami, Syed Ahsan Raza, Ang Tshering Sherpa, Witold Zatonski, Michael Pawlita, Martyn Plummer, Silvia Franceschi
BACKGROUND: New oral treatments with very high cure rates have the potential to revolutionize global management of hepatitis C virus (HCV), but population-based data on HCV infection are missing in many low and middle-income countries (LMIC). METHODS: Between 2004 and 2009, dried blood spots were collected from age-stratified female population samples of 9 countries: China, Mongolia, Poland, Guinea, Nepal, Pakistan, Algeria, Georgia and Iran. HCV antibodies were detected by a multiplex serology assay using bead-based technology...
2017: Infectious Agents and Cancer
https://www.readbyqxmd.com/read/28107348/predicting-length-of-stay-among-patients-discharged-from-the-emergency-department-using-an-accelerated-failure-time-model
#17
Chung-Hsien Chaou, Hsiu-Hsi Chen, Shu-Hui Chang, Petrus Tang, Shin-Liang Pan, Amy Ming-Fang Yen, Te-Fa Chiu
BACKGROUND: Emergency department (ED) crowding continues to be an important health care issue in modern countries. Among the many crucial quality indicators for monitoring the throughput process, a patient's length of stay (LOS) is considered the most important one since it is both the cause and the result of ED crowding. The aim of this study is to identify and quantify the influence of different patient-related or diagnostic activities-related factors on the ED LOS of discharged patients...
2017: PloS One
https://www.readbyqxmd.com/read/28069180/investigation-of-the-microbiota-of-the-reproductive-tract-in-women-undergoing-a-total-hysterectomy-and-bilateral-salpingo-oopherectomy
#18
Shana M Miles, Britney L Hardy, D Scott Merrell
OBJECTIVE: To conduct a pilot study to investigate the possible presence of bacteria throughout the female reproductive tract and to make a preliminary assessment of whether there are differences in the composition of the microbial communities between these body sites and/or between patients. DESIGN: Prospective pilot study followed by 16S amplification and high-throughput sequencing. SETTING: Tertiary care military hospital. PATIENT(S): A total of 10 women underwent a total hysterectomy with bilateral salpingo-oopherectomy; tissue samples were collected from the vagina, resected cervix, uterus, fallopian tubes, and ovaries...
March 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28056232/-analysis-of-cardiac-troponin-c-gene-tnnc1-c-g175c-mutation-in-a-chinese-pedigree-with-familial-hypertrophic-cardiomyopathy-and-the-correlation-between-genotype-and-phenotype
#19
X B Xing, F S Liu, F Wang, L Song, W N Zhao, J Liu, K C Zhang, Y Z Zhu, X F Shang, R Li, Y Liang
Objective: To investigate the genotype-phenotype correlation in Chinese familial hypertrophic cardiomyopathy (HCM )focusing on the cardiac troponin C gene TNNC1 c. G175C mutation. Methods: All family members of a Chinese pedigree with hypertrophic cardiomyopathy admitted in Third People's Hospital of Qingdao in February 2005 and 200 healthy volunteers were included in this study. The coding exons of 30 hypertrophic cardiomyopathy associated genes were identified by whole exons amplification and high-throughput sequencing in the proband, and the identified mutation were further detected through bi-directional Sanger sequencing in all family members and 200 healthy volunteers...
December 24, 2016: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/28040467/proteomic-profile-of-susceptible-and-multidrug-resistant-clinical-isolates-of-escherichia-coli-and-klebsiella-pneumoniae-using-label-free-and-immunoproteomic-strategies
#20
Sandra Magalhães, Miguel Aroso, Inês Roxo, Sónia Ferreira, Frederico Cerveira, Elmano Ramalheira, Rita Ferreira, Rui Vitorino
Infectious diseases caused by multidrug-resistant (MDR) Enterobacteriaceae have exponentially increased in the past decade, and are a major concern in hospitals. In the first part of the work, we compared the proteome profile of MDR and susceptible clinical isolates of Escherichia coli and Klebsiella pneumoniae in order to identify possible biological processes associated with drug resistance and susceptible phenotypes, using a label-free approach. In the second part, we used an immunoproteomics approach to identify immunoreactive proteins in the same isolates...
April 2017: Research in Microbiology
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