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https://www.readbyqxmd.com/read/28326064/contribution-of-ultra-deep-sequencing-in-the-clinical-diagnosis-of-a-new-fungal-pathogen-species-basidiobolus-meristosporus
#1
Emilie Sitterlé, Christophe Rodriguez, Roman Mounier, Julien Calderaro, Françoise Foulet, Michel Develoux, Jean-Michel Pawlotsky, Françoise Botterel
Some cases of fungal infection remained undiagnosed, especially when the pathogens are uncommon, require specific conditions for in vitro growth, or when several microbial species are present in the specimen. Ultra-Deep Sequencing (UDS) could be considered as a precise tool in the identification of involved pathogens in order to upgrade patient treatment. In this study, we report the implementation of UDS technology in medical laboratory during the follow-up of an atypical fungal infection case. Thanks to UDS technology, we document the first case of gastro-intestinal basidiobolomycosis (GIB) due to Basidiobolus meristosporus...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28322517/materials-for-microfluidic-immunoassays-a-review
#2
REVIEW
Lei Mou, Xingyu Jiang
Conventional immunoassays suffer from at least one of these following limitations: long processing time, high costs, poor user-friendliness, technical complexity, poor sensitivity and specificity. Microfluidics, a technology characterized by the engineered manipulation of fluids in channels with characteristic lengthscale of tens of micrometers, has shown considerable promise for improving immunoassays that could overcome these limitations in medical diagnostics and biology research. The combination of microfluidics and immunoassay can detect biomarkers with faster assay time, reduced volumes of reagents, lower power requirements, and higher levels of integration and automation compared to traditional approaches...
March 21, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28318747/ultra-fast-quantitation-of-voriconazole-in-human-plasma-by-coated-blade-spray-mass-spectrometry
#3
Marcos Tascon, Germán Augusto Gómez-Ríos, Nathaly Reyes-Garcés, Justen Poole, Ezel Boyacı, Janusz Pawliszyn
Voriconazole is a triazole broad-spectrum antifungal medication often used to treat fungal infections caused by Aspergillus and Fusarium species. One of the main challenges associated with the implementation of this medication is its narrow therapeutic concentration range, demonstrating toxicity at concentrations above 6μg/mL and limited efficacy at concentrations below 2μg/mL. As a result, methodologies which permit the rapid and accurate quantitation of voriconazole in patients are highly desirable. In this work two different approaches based on coated blade spray directly coupled to mass spectrometry (CBS-MS) are introduced; each enabling the quantitation of voriconazole in plasma samples with a simple and fast sample preparation and no chromatographic step...
March 12, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28290950/survey-of-sexually-transmitted-disease-laboratory-methods-in-u-s-army-laboratories-2012
#4
Nicole K Leamer, Nikki N Jordan, Laura A Pacha, Nabil H Latif, Eric C Garges, Joel C Gaydos
INTRODUCTION: Sexually transmitted diseases (STD) affect primarily young people (17-24 years). The U.S. Military, with many young people, strives to maintain effective STD treatment and prevention programs using current methods. Laboratory testing technology and capacity are important for appropriate clinical management and to provide data to direct prevention programs. STD laboratory capabilities are assessed in civilian and military laboratories using surveys. An Army laboratory survey was conducted in 2007...
March 2017: Military Medicine
https://www.readbyqxmd.com/read/28280722/tissue-engineered-solutions-in-plastic-and-reconstructive-surgery-principles-and-practice
#5
REVIEW
Sarah Al-Himdani, Zita M Jessop, Ayesha Al-Sabah, Emman Combellack, Amel Ibrahim, Shareen H Doak, Andrew M Hart, Charles W Archer, Catherine A Thornton, Iain S Whitaker
Recent advances in microsurgery, imaging, and transplantation have led to significant refinements in autologous reconstructive options; however, the morbidity of donor sites remains. This would be eliminated by successful clinical translation of tissue-engineered solutions into surgical practice. Plastic surgeons are uniquely placed to be intrinsically involved in the research and development of laboratory engineered tissues and their subsequent use. In this article, we present an overview of the field of tissue engineering, with the practicing plastic surgeon in mind...
2017: Frontiers in Surgery
https://www.readbyqxmd.com/read/28279377/use-of-imaging-endpoints-in-clinical-trials
#6
REVIEW
Linda D Gillam, Jonathon Leipsic, Neil J Weissman
Cardiovascular imaging is an integral component of many clinical trials beyond those for which the primary goal is to evaluate or validate imaging technologies. The scope of such trials is broad, ranging from those in which a medical, surgical, or interventional cardiovascular device or drug is being evaluated to those in which there is concern about cardiovascular adverse events complicating treatment for noncardiac conditions. This paper discusses study design as it pertains to the incorporation of imaging elements, the important role played by imaging core laboratories, the rationale for and approaches to involvement of imagers in clinical trials, and guidance by the U...
March 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28274482/clinical-characteristics-of-patients-with-bone-sarcoidosis
#7
Ying Zhou, Elyse E Lower, Huiping Li, Yolanda Farhey, Robert P Baughman
OBJECTIVE: To assess the clinical features, diagnosis, and treatment of bone sarcoidosis in the United States. METHODS: Patients with bone sarcoidosis were identified and matched to sarcoidosis patients based on race, gender, and age. Detailed characteristics were obtained by medical record review. RESULTS: A total of 64 patients with bone sarcoidosis were enrolled in this study. The female:male ratio was 1.46:1 and the white:black ratio was 3:1...
February 10, 2017: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/28273706/-multiple-congenital-anomalies-hypotonia-seizures-syndrome-1-case-report-and-review-of-literature
#8
Y F Xu, N Li, G Q Li, X M Wang, Y F Zhou, L Yin, J Wang
Objective: To analyze and summarize the clinical and molecular characteristics of the patients with multiple congenital anomalies- hypotonia-seizures syndrome 1 (MCAHS 1). Method: Clinical data and test results were collected from a patient who was diagnosed with confirmed genetic basis of MCAHS 1 in Shanghai Children's Medical Center since December 2015. The patient and his parents were examined by the next generation sequencing (NGS) technology using peripheral blood genomic DNA, and the relevant mutations identified by NGS were verified with Sanger sequencing...
March 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28271567/the-welsh-blood-service-70-years-of-continuous-change
#9
REVIEW
G D Poole
The National Blood Transfusion Service (NBTS) in England and Wales was established as a single entity in 1946 and operated as such for almost half a century. During those 50 years, the blood service in Wales, as in the rest of the UK, saw many technological and operational changes. The automation of donation testing, the introduction of successive layers of microbiological screening, the creation of the Tissue Typing Laboratory (later renamed the Welsh Transplantation and Immunogenetics Laboratory) and the development of information technology brought - over a relatively long period - highly significant improvements to an organisation that had begun life as an Emergency Medical Service...
March 8, 2017: Transfusion Medicine
https://www.readbyqxmd.com/read/28258233/microfluidics-innovative-approaches-for-rapid-diagnosis-of-antibiotic-resistant-bacteria
#10
REVIEW
Amornrat Aroonnual, Tavan Janvilisri, Puey Ounjai, Surang Chankhamhaengdecha
The emergence of antibiotic-resistant bacteria has become a major global health concern. Rapid and accurate diagnostic strategies to determine the antibiotic susceptibility profile prior to antibiotic prescription and treatment are critical to control drug resistance. The standard diagnostic procedures for the detection of antibiotic-resistant bacteria, which rely mostly on phenotypic characterization, are time consuming, insensitive and often require skilled personnel, making them unsuitable for point-of-care (POC) diagnosis...
February 28, 2017: Essays in Biochemistry
https://www.readbyqxmd.com/read/28252618/-the-progressive-models-of-educational-activities-as-a-basis-for-the-training-of-forensic-medical-experts-of-the-new-generation
#11
S A Smirnova, O A Yastrebov
The authors interpret forensic expertology as a synthetic science and propose the models for the training of professionals in the field of forensic medical expertise. They provide a rationale for the realization of such systematic training in the framework of the model of the three-level system based at the educational institutions of higher professional education. Characteristic features of the existing standards of professional training in the sphere of forensic medical expertise are considered with special reference to the organization of education of future forensic medical experts based at the many-level programs adopted in the Russian University of People's Friendship...
2017: Sudebno-meditsinskaia Ekspertiza
https://www.readbyqxmd.com/read/28251200/toward-practical-application-of-paper-based-microfluidics-for-medical-diagnostics-state-of-the-art-and-challenges
#12
REVIEW
Kentaro Yamada, Hiroyuki Shibata, Koji Suzuki, Daniel Citterio
Microfluidic paper-based analytical devices (μPADs) have emerged as a promising diagnostic platform a decade ago. In contrast to highly active academic developments, their entry into real-life applications is still very limited. This discrepancy is attributed to the gap between research developments and their practical utility, particularly in the aspects of operational simplicity, long-term stability of devices, and associated equipment. On the basis of these backgrounds, this review attempts to: 1) identify the reasons for success of paper-based devices already in the market, 2) describe the current status and remaining issues of μPADs in terms of operational complexity, signal interpretation approaches, and storage stability, and 3) discuss the possibility of mass production based on established manufacturing technologies...
March 2, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/28248064/-contemporary-markers-and-histological-features-of-prostate-cancer
#13
A O Vasilyev, E A Prilepskaya, M V Kovylina, A V Govorov, A V Sadchenko, A V Sidorenkov, D Yu Pushkar
Increasing prostate cancer incidence rates highlight the importance of more timely diagnosis with the ultimate aim of reducing cancer-specific mortality, while maintaining patients quality of life. Until recently, digital rectal examination and prostate-specific antigen have been used for diagnosis of prostate cancer. Recent advances in medical technologies and laboratory testing have led to introducing new cancer markers into clinical practice. The most highly demanded of them are the PCA-3, -2proPSA and Prostate Health Index...
December 2016: Urologii︠a︡
https://www.readbyqxmd.com/read/28242148/-next-generation-dna-sequencing-in-clinical-diagnostics
#14
C Lacoste, A Fabre, C Pécheux, N Lévy, M Krahn, P Malzac, N Bonello-Palot, C Badens, P Bourgeois
The advent of next generation sequencing (NGS) technologies is so scale-changing that it modifies molecular diagnostics indications and induces laboratories to rethink their diagnostic strategies, until now based on the Sanger sequencing routine. Several high-throughput approaches are available from the sequencing of a gene panel, to an exome, or even a genome. In all cases, a tremendous amount of data is generated, which has to be filtered, interpreted and analyzed using powerful bioinformatics tools. In parallel, ethical considerations are raised to avoid the potential drifts of these powerful approaches...
February 24, 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/28241943/the-impact-of-health-information-technology-on-organ-transplant-care-a-systematic-review
#15
REVIEW
Zahra Niazkhani, Habibollah Pirnejad, Parviz Rashidi Khazaee
BACKGROUND: Health Information Technology (HIT) has a potential to promote transplant care. However, a systematic appraisal on how HIT application has so far affected transplant care is greatly missing from the literature. We systematically reviewed trials that evaluated HIT impact on process and patient outcomes as well as costs in organ transplant care. METHODS: A systematic search was conducted in OVID versions of MEDLINE, EMBASE, Cumulative Index to Nursing and Allied Health Literature (CINAHL), the Cochrane, and IEEE databases from January 1990 to December 2015...
April 2017: International Journal of Medical Informatics
https://www.readbyqxmd.com/read/28213593/randomised-double-blind-parallel-group-placebo-controlled-study-to-evaluate-the-analgesic-efficacy-and-safety-of-vvz-149-injections-for-postoperative-pain-following-laparoscopic-colorectal-surgery
#16
Srdjan S Nedeljkovic, Darin J Correll, Xiaodong Bao, Natacha Zamor, Jose L Zeballos, Yi Zhang, Mark J Young, Johanna Ledley, Jessica Sorace, Kristen Eng, Carlyle P Hamsher, Rajivan Maniam, Jonathan W Chin, Becky Tsui, Sunyoung Cho, Doo H Lee
INTRODUCTION: In spite of advances in understanding and technology, postoperative pain remains poorly treated for a significant number of patients. In colorectal surgery, the need for developing novel analgesics is especially important. Patients after bowel surgery are assessed for rapid return of bowel function and opioids worsen ileus, nausea and constipation. We describe a prospective, double-blind, parallel group, placebo-controlled randomised controlled trial testing the hypothesis that a novel analgesic drug, VVZ -149, is safe and effective in improving pain compared with providing opioid analgesia alone among adults undergoing laparoscopic colorectal surgery...
February 17, 2017: BMJ Open
https://www.readbyqxmd.com/read/28210651/analysis-of-platelet-rich-plasma-extraction-variations-in-platelet-and-blood-components-between-4-common-commercial-kits
#17
Jane Fitzpatrick, Max K Bulsara, Paul Robert McCrory, Martin D Richardson, Ming Hao Zheng
BACKGROUND: Platelet-rich plasma (PRP) has been extensively used as a treatment in tissue healing in tendinopathy, muscle injury, and osteoarthritis. However, there is variation in methods of extraction, and this produces different types of PRP. PURPOSE: To determine the composition of PRP obtained from 4 commercial separation kits, which would allow assessment of current classification systems used in cross-study comparisons. STUDY DESIGN: Controlled laboratory study...
January 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28197569/microfabricated-tools-for-quantitative-plant-biology
#18
Meltem Elitaş, Meral Yüce, Hikmet Budak
The development of microfabricated devices that will provide high-throughput quantitative data and high resolution in a fast, repeatable and reproducible manner is essential for plant biology research. Plants have been intensely explored since the beginning of humanity, especially for medical needs. However, plant biology research is still laborious, lacking the latest technological advancements in the laboratory practices. Microfabricated tools can provide a significant contribution to plant biology research since they require small volumes of samples and reagents with minimal cost and labor...
March 13, 2017: Analyst
https://www.readbyqxmd.com/read/28190508/navigating-the-clinical-trial-pathway-conception-design-execution-and-results-dissemination
#19
John S Sampalis, Joanne Watson, Stella Boukas, Marianna Boukas, Natalie Harvey, Sanjay Machado, Michel Bordeleau, Emmanouil Rampakakis
Dr Sampalis is founder, Chief Executive Officer, and Chief Scientific Officer of JSS Medical Research Inc, founded in 1997. He is a tenured professor of Surgery and Epidemiology & Biostatistics of McGill University, the University of Montreal and University of Laval. Recognized as a leading clinical epidemiologist and one of the top trauma researchers in Canada, he possesses extensive expertise in health services research, clinical trials, and offers services as a Research and Epidemiological Consultant for numerous pharmaceutical companies, hospitals and government organizations and agencies...
March 2017: Surgery
https://www.readbyqxmd.com/read/28166602/managing-the-precarious-hemostatic-balance-during-extracorporeal-life-support-implications-for-coagulation-laboratories
#20
Anne M Winkler
For the past four decades, extracorporeal life support (ECLS) has been used to treat critically ill adult and pediatric patients with cardiac and/or respiratory failure unresponsive to medical management, and there are increasing numbers of centers performing ECLS for numerous indications worldwide. Despite the progress with advancing technology, hemorrhagic and thrombotic complications occur frequently and are associated with worse outcomes, but the exact cause is often elusive or multifactorial. As a result of the interaction between blood and a nonendothelialized circuit, there is activation of coagulation, fibrinolysis, as well as an increased inflammatory response; thus, anticoagulation of the patient and circuit is necessary...
February 6, 2017: Seminars in Thrombosis and Hemostasis
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