PubMed Journals Articles About "OPKO Health, Inc. And Bio-Reference Laboratories, Inc." RSS

20:55 EDT 24th September 2018 | BioPortfolio

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Showing "OPKO Health Reference Laboratories" PubMed Articles 1–25 of 21,000+

Mapping of the US Domestic Influenza Virologic Surveillance Landscape.

Influenza virologic surveillance is critical each season for tracking influenza circulation, following trends in antiviral drug resistance, detecting novel influenza infections in humans, and selecting viruses for use in annual seasonal vaccine production. We developed a framework and process map for characterizing the landscape of US influenza virologic surveillance into 5 tiers of influenza testing: outpatient settings (tier 1), inpatient settings and commercial laboratories (tier 2), state public health ...

Value assignment of the reference material for human T-cell leukemia virus type 1 quantitative PCR in Japan.

Quantitative PCR (qPCR) of human T-cell leukemia virus type 1 (HTLV-1) provirus is used for HTLV-1 testing or for the risk assessment of HTLV-1-related diseases. In this study, we developed reference material for HTLV-1 qPCR. Freeze-dried TL-Om1 cells diluted with Jurkat cells were prepared and the proviral load (PVL) was value assigned as 2.71 copies/100 cells using digital PCR. Measurement by nine Japanese laboratories resulted in PVLs of the reference ranging from 1.08-3.49 copies/100 cells. The maximum ...

Indirect methods for reference interval determination - review and recommendations.

Reference intervals are a vital part of the information supplied by clinical laboratories to support interpretation of numerical pathology results such as are produced in clinical chemistry and hematology laboratories. The traditional method for establishing reference intervals, known as the direct approach, is based on collecting samples from members of a preselected reference population, making the measurements and then determining the intervals. An alternative approach is to perform analysis of results g...

Sources and performance criteria of reference measurement procedures uncertainty.

This article wants to focus on the today available Reference Measurement Procedures (RMPs) for the determination of various analytes in Laboratory Medicine and the possible tools to evaluate their performance in the laboratories who are currently using them.

Myocardial revascularization: factors intervening in the reference and counter-reference in the hospital setting.

To understand the intervening factors in the process of reference and counter-reference of the individual with heart disease in the scenario of high complexity in the health care network.

Towards quality and order in human papillomavirus research.

The International Human Papillomavirus (HPV) Reference Center supports quality and order in HPV research and diagnostics. Notably, the center assigns HPV type numbers to novel HPV types, maintains a reference clone repository, and issues international proficiency panels for HPV genotyping. The established HPV types, currently up to HPV225, belong to 5 different genera: alpha (65 types), beta (54 types), gamma (98 types), mu (3 types) and nu (1 type). Since 2014, 23 novel types have been established, 82.6% o...

Challenges in the analysis of novel flame retardants in indoor dust: results of the INTERFLAB 2 interlaboratory evaluation.

The Interlaboratory Study of Novel Flame Retardants (INTERFLAB 2) was conducted by 20 laboratories in 12 countries to test the precision and accuracy of the analysis of 24 "novel" flame retardants (NFRs). Laboratories analyzed NFRs in injection-ready test mixtures, in extracts of residential dust, and in residential dust to evaluate the influence of dust handling and extraction. For test mixtures, mean reported concentrations of PBT, PBEB, EH-TBB, TBBPA, TBDP-TAZTO, TBOEP, α-TBCO, β-DBE-DBCH, and total HB...

A multicenter study for the evaluation of the reference interval for TSH in Italy (ELAS TSH Italian Study).

Background The aims of this study were: (1) to calculate reliable thyroid stimulating hormone (TSH) reference intervals using laboratory databases; (2) to evaluate the relationship between TSH, sex and age values in different large Italian populations. Methods The TSH values stored in the laboratory information system of clinical laboratories of four Italian city hospitals, including 146,801 TSH measurements (with the respective age and sex data of individuals) were taken in consideration. Assuming a log-no...

Pharmaceutical Reference Pricing: Does It Have a Future in the U.S.?

Reference pricing is an emerging health insurance benefit design aimed at reducing health costs. In this model, an insurer establishes a maximum payment that it will contribute toward covering the price of a product or service in situations where there is wide price variation for therapeutically similar drugs, diagnostics, or procedures. Experiences to date indicate that reference pricing can influence patients and physicians to switch to less costly options within each therapeutic class, reducing overall d...

First inter-laboratory study of a Supercritical Fluid Chromatography method for the determination of pharmaceutical impurities.

Supercritical Fluid Chromatography (SFC) has known a strong regain of interest for the last 10 years, especially in the field of pharmaceutical analysis. Besides the development and validation of the SFC method in one individual laboratory, it is also important to demonstrate its applicability and transferability to various laboratories around the world. Therefore, an inter-laboratory study was conducted and published for the first time in SFC, to assess method reproducibility, and evaluate whether this chr...

Reference values for respiratory impedance measured by the Forced Oscillation Technique in adult men and women.

The Forced oscillation technique (FOT) is a particularly useful test of the mechanical properties of the respiratory system that has an increasingly important role in lung function laboratories. There is general agreement in the literature that the determination of reference values is of utmost importance in the clinical use of the FOT.

Reference materials for molecular diagnostics: Current achievements and future strategies.

Molecular diagnoses have become more widespread in many areas of laboratory medicine where qualitative or quantitative approaches are used to detect nucleic acids. The increasing number of assay methods and the targets for molecular diagnostics contribute to variability in the test results among clinical laboratories. Thus, reference materials (RMs) are required to enhance the comparability of results.

Laboratory Safety in Parasitology Laboratory.

Working in a laboratory is very difficult and needs special attention. Laboratory workers can be exposed to numerous potential hazards including chemical, biological, physical, and radioactive. That is why it is really important to follow the working principles in laboratories for the sake of the lab analyzers and others who work with them in the lab. Laboratory safety includes the use of certain laboratory rules, methods, infrastructures, and devices during work to protect the working person and the workin...

Assessment of the results of a 3-Year Program for National Standardization and Quality Improvement of Medical Laboratories on Drug of Abuse Testing by the Ministry of Health in Turkey.

The aim of this study is to assess the results of inspections in the last 3 years on drug abuse testing in medical laboratories according to the last regulations in Turkey.

Reference Intervals: Comparison of Calculation Methods and Evaluation of Procedures for Merging Reference Measurements From Two US Medical Centers.

To analyze consistency of reference limits and widths of reference intervals (RIs) calculated by six procedures and evaluate a protocol for merging intrainstitutional reference data.

Reference Range and Sociodemographic Characteristics of TSH among Reproductive Age Women in Rural China.

Appropriate reference range of thyroid-stimulating hormone (TSH) is important to interpreting the results of thyroid functional tests. However, the reference range and sociodemographic characteristics of TSH based on large-scale studies are yet to be declared in rural China. To clarify reference range and sociodemographic characteristics of TSH in reproductive age of women from rural China. A nationwide population-based study was conducted as The National Free Preconception Health Examination Project (NFPHE...

Mobile Applications for Women's Health and Midwifery Care: A Pocket Reference for the 21st Century.

Midwives and other women's health care providers are charged with providing high-quality care to women based on the most current available evidence. Quick, reliable, and accurate access to evidence-based information is essential. Numerous smartphone and mobile device applications (apps) are available to assist clinicians in providing care for women. This article discusses clinical reference apps, including those for evidence-based care guidelines, women's health care, pharmacologic reference, laboratory and...

Firm responses to targeted consumer incentives: Evidence from reference pricing for surgical services.

This paper examines how health care providers respond to a reference pricing insurance program that increases consumer cost sharing when consumers choose high-priced surgical providers. We use geographic variation in the population covered by the program to estimate supply-side responses. We find limited evidence of market segmentation and price reductions for providers with baseline prices above the reference price. Finally, approximately 75% of the reduction in provider prices is in the form of a positive...

Comprehensive haematological indices reference intervals for a healthy Omani population: First comprehensive study in Gulf Cooperation Council (GCC) and Middle Eastern countries based on age, gender and ABO blood group comparison.

Reference intervals for venous blood parameters differs with age, gender, geographic region, and ethnic groups. Hence local laboratory reference intervals are important to improve the diagnostic accuracy of health assessments and diseases. However, there have been no comprehensive published reference intervals established in Oman, the Gulf Cooperation Council or Middle Eastern countries. Hence, the aim of this study was to establish reference intervals for full blood count in healthy Omani adults.

Comparative analysis of four commercial on-farm culture methods to identify bacteria associated with clinical mastitis in dairy cattle.

Several multiple-media culture systems have become commercially available for on-farm identification of mastitis-associated pathogens. However, the accuracy of these systems has not been thoroughly and independently validated against microbiological evaluations performed by referral laboratories. Therefore, the purpose of the present study was to evaluate the performance of commercially available culture plates (Accumast, Minnesota Easy System, SSGN and SSGNC Quad plates) to identify pathogens associated wi...

Laboratory Diagnosis and Characterization of Fungal Disease in Patients with Cystic Fibrosis (CF): A Survey of Current UK Practice in a Cohort of Clinical Microbiology Laboratories.

There is much uncertainty as to how fungal disease is diagnosed and characterized in patients with cystic fibrosis (CF). A 19-question anonymous electronic questionnaire was developed and distributed to ascertain current practice in clinical microbiology laboratories providing a fungal laboratory service to CF centres in the UK. Analyses of responses identified the following: (1) current UK laboratory practice, in general, follows the current guidelines, but the scope and diversity of what is currently bein...

Identifying the concepts contained within health-related quality of life outcome measures in concussion research using the International Classification of Functioning, Disability, and Health as a reference: a systematic review.

To identify the concepts contained within health-related quality of life (HRQOL) outcome measures used in concussion-specific research using the International Classification of Functioning, Disability, and Health (ICF) as a reference.

DynaMed Plus: An Evidence-Based Clinical Reference Resource.

DynaMed Plusfrom EBSCO Health is an evidence-based tool that health professionals can use to inform clinical care. DynaMed Plus content undergoes a review process, and the evidence is synthesized in detailed topic overviews. A unique three-level rating scale is used to assess the quality of available evidence. Topic overviews summarize current evidence and provide recommendations to support health providers at the point-of-care. Additionally, DynaMed Plus content can be accessed via a desktop computer or mo...

Documenting Routinely What Matters to People: Standardized Headings for Health Records of Patients with Chronic Health Conditions.

 Specifying the content in electronic health records (EHRs) through standardized headings based on international reference classifications will facilitate their semantic interoperability. The objective of this study was to specify potential chapter headings for EHRs aligned with the World Health Organization's (WHO) International Classification of Functioning, Disability, and Health (ICF) based on the perspectives of people living with chronic health conditions, carers, and professionals.

Dose-Related Severity Sequence, and Risk-Based Integration, of Chemically-Induced Health Effects.

Risk assessment of chemical hazards is typically based on single critical health effects. The present work aims to expand the current approach by characterizing the dose-related sequence of the development of multiple (lower- to higher-order) toxicological health effects caused by a chemical. To this end a "reference point profile" is defined as the relation between benchmark doses for considered health effects, and a standardized severity score determined for these effects. For a given dose of a chemical o...

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