Falsely markedly elevated 25-hydroxyvitamin D in patients with monoclonal gammopathies.

abstract：:The present article proposes personal suggestions to improve determinations and clinical interpretation of results of lipoprotein(a) assays. Methods and procedures for sampling and quantification of the various isoforms of lipoprotein(a) in serum, plasma and urine are reviewed with the aim of improving the reliability...

journal_title：Clinical chemistry and laboratory medicine

authors： Lippi G,Guidi G

更新日期：1998-01-01 00:00:00

abstract：:Background Non-small cell lung cancer (NSCLC) patients benefit from targeted therapies both in first- and second-line treatment. Nevertheless, molecular profiling of lung cancer tumors after first disease progression is seldom performed. The analysis of circulating tumor DNA (ctDNA) enables not only non-invasive bioma...

journal_title：Clinical chemistry and laboratory medicine

authors： Provencio M,Pérez-Barrios C,Barquin M,Calvo V,Franco F,Sánchez E,Sánchez R,Marsden D,Cristóbal Sánchez J,Martin Acosta P,Laza-Briviesca R,Cruz-Bermúdez A,Romero A

更新日期：2020-01-28 00:00:00

abstract：:People are increasingly able to access their laboratory results via patient portals. The potential benefits provided by such access, such as reductions in patient burden and improvements in patient satisfaction, disease management, and medical decision making, also come with potentially valid concerns about such resul...

journal_title：Clinical chemistry and laboratory medicine

authors： Witteman HO,Zikmund-Fisher BJ

更新日期：2019-02-25 00:00:00

abstract：:Increased expression of sialyl Lewis X or A antigens on metastatic cancer cells leads to their selectin-mediated extravasation. Profound fucosylation of the serum microenvironment may be a factor that interrupts adhesion and influences the formation of metastases. In this study we quantitatively analyzed fucosylation ...

journal_title：Clinical chemistry and laboratory medicine

authors： Kossowska B,Ferens-Sieczkowska M,Gancarz R,Passowicz-Muszyńska E,Jankowska R

更新日期：2005-01-01 00:00:00

abstract：BACKGROUND:Extensive application of measurement of urinary iodine concentration (UIC) in several benign and malignant thyroid diseases could profit by the availability of rapid and inexpensive measuring techniques. Aim of this study was to apply a simple and inexpensive commercially available potentiometric method for ...

journal_title：Clinical chemistry and laboratory medicine

authors： Giovacchini G,Giovanella L,Haldemann A,Staub U,Füchsel FG,Koch P

更新日期：2015-10-01 00:00:00

abstract：BACKGROUND:Antinuclear autoantibody determination relies on an initial screening step using immunofluorescence on HEp2 cells. This may be followed by anti-deoxyribonucleic acid (DNA) determination, if the fluorescence of nuclei is homogeneous. We assessed the validity of a restricted algorithm and compared this to a mo...

journal_title：Clinical chemistry and laboratory medicine

authors： Servais G,Karmali R,Guillaume MP,Badot V,Duchateau J,Corazza F

更新日期：2009-01-01 00:00:00

abstract：BACKGROUND:Cardiac troponins currently represent the preferred biomarkers for the detection of myocardial necrosis. The objective of the present study was to compare the performance of the Access AccuTnl assay (Beckman Coulter) measured on two different platforms, the UniCel Dxl 800 and the Access 2 (Beckman Coulter). ...

journal_title：Clinical chemistry and laboratory medicine

authors： Zaninotto M,Mion MM,Novello E,Moretti M,Delprete E,Rocchi MB,Sisti D,Plebani M

更新日期：2009-01-01 00:00:00

abstract：BACKGROUND:Faecal immunochemical tests (FIT) are becoming widely used in colorectal cancer screening. Estimation of faecal haemoglobin concentration in a large group prompted an observational study on gender and age. METHODS:A single estimate of faecal haemoglobin concentration was made using quantitative automated im...

journal_title：Clinical chemistry and laboratory medicine

authors： McDonald PJ,Strachan JA,Digby J,Steele RJ,Fraser CG

更新日期：2011-12-07 00:00:00

abstract：:Historical research on the concept of normality, its roots and its development show that this concept has its sources in very different areas of scientific and medical thinking. Of great importance were: (i) a new theory of disease arising early in the 19th century supposing a continuous change from the healthy to the...

journal_title：Clinical chemistry and laboratory medicine

authors： Büttner J

更新日期：1998-01-01 00:00:00

abstract：:The acute-phase "panproteinase" inhibitor alpha2-macroglobulin (alpha2M), a protein involved in inflammatory reactions, has been identified in amyloid plaques in Alzheimer's disease (AD). In addition, alpha2M is involved in AD susceptibility at the genetic level, and a deletion polymorphism at the a2M gene has been fo...

journal_title：Clinical chemistry and laboratory medicine

authors： Scacchi R,Ruggeri M,Gambina G,Martini MC,Corbo RM

更新日期：2002-04-01 00:00:00

abstract：:Abstract Lipoprotein-related risk of cardiovascular disease (CVD) can be adequately predicted in subjects with elevated total cholesterol and low-density lipoprotein (LDL-)cholesterol using the available guidelines. However, individuals with dyslipidemia can have normal total- and LDL-cholesterol concentrations. Many ...

journal_title：Clinical chemistry and laboratory medicine

authors： Langlois MR

更新日期：2012-04-10 00:00:00

abstract：:Background Aberrant kallikrein activity is observed in a number of inflammatory dermatoses. Up-regulation of kallikrein-5 (KLK5) activity leads to uncontrolled skin desquamation and cleavage of proteinase-activated receptor-2 (PAR2), causing the release of pro-inflammatory cytokines and disruption of epidermal barrier...

journal_title：Clinical chemistry and laboratory medicine

authors： Di Paolo CT,Filippou PS,Yu Y,Poda G,Diamandis EP,Prassas I

更新日期：2019-10-25 00:00:00

abstract：:Immunological reactions are influenced by various factors including antigens, antibodies and other variables. We focused on two items: i) matrix effects, especially of detergents and ii) temperature effects: preheating sera, especially effects on rheumatoid factor (RF) measurement and false-positive reactions in ELISA...

journal_title：Clinical chemistry and laboratory medicine

authors： Yoshida H,Imafuku Y,Nagai T

更新日期：2004-01-01 00:00:00

abstract：:Background Many of the mobile applications (apps) used for delivering health interventions involve laboratory medicine data. This survey was conducted to search the online market for health apps that manage laboratory medicine data. The aim was to review them and perform a quality evaluation. Methods Apps search crite...

journal_title：Clinical chemistry and laboratory medicine

authors： Jovičić S,Siodmiak J,Watson ID,European Federation of Clinical Chemistry and Laboratory Medicine Working Group on Patient Focused Laboratory Medicine.

更新日期：2019-02-25 00:00:00

abstract：BACKGROUND:To date, no practical tools are available to obtain optimal settings for moving average (MA) as a continuous analytical quality control instrument. Also, there is no knowledge of the true bias detection properties of applied MA. We describe the use of bias detection curves for MA optimization and MA validati...

journal_title：Clinical chemistry and laboratory medicine

authors： van Rossum HH,Kemperman H

更新日期：2017-02-01 00:00:00

abstract：BACKGROUND:alpha-Thalassemia is a worldwide disease and considered to be a major public health problem in countries within the so-called thalassemia belt. The complex genetics of alpha-thalassemias requires diagnostic methods with the capacity to screen rapidly and accurately for common causative mutations. METHODS:We...

journal_title：Clinical chemistry and laboratory medicine

authors： Puehringer H,Najmabadi H,Law HY,Krugluger W,Viprakasit V,Pissard S,Baysal E,Taher A,Farra C,Al-Ali A,Al-Ateeq S,Oberkanins C

更新日期：2007-01-01 00:00:00

abstract：:An outbreak of the so-called Coronavirus disease 2019 (COVID-19), caused by the severe acute respiratory syndrome Coronavirus 2 (SARS-CoV-2), has been spreading rapidly nationwide in China since December 2019. Wuhan, Hubei Province, is the hardest-hit region, with a rise in confirmed cases and its hospitals overwhelme...

journal_title：Clinical chemistry and laboratory medicine

authors： Yusong L,Duanliang P,Jia Y,Dunyan C,Hongbing J,Siyuan Y,Huanhuan C,Juan Z,Lyurong L

更新日期：2020-06-25 00:00:00

abstract：BACKGROUND:Cigarette smoking, a cardiovascular risk factor leading to oxygen free radical formation, is involved in the development of serious pathological conditions. On the other hand, a healthy diet and adequate supplementation can help prevent many diseases. The aim of our study was to evaluate in healthy light smo...

journal_title：Clinical chemistry and laboratory medicine

authors： Bamonti F,Novembrino C,Ippolito S,Soresi E,Ciani A,Lonati S,Scurati-Manzoni E,Cighetti G

更新日期：2006-01-01 00:00:00

abstract：:Measurement of S-100B protein in serum or cerebrospinal fluid is increasingly used as a molecular marker of brain damage. However, there is no information about the pre-analytical in vitro stability of S-100B. We have investigated whether storing blood samples at different time periods and conditions affected the meas...

journal_title：Clinical chemistry and laboratory medicine

authors： Raabe A,Kopetsch O,Gross U,Zimmermann M,Gebhart P

更新日期：2003-05-01 00:00:00

abstract：BACKGROUND:High-dose biotin therapy is beneficial in progressive multiple sclerosis (MS) and is expected to be adopted by a large number of patients. Biotin therapy leads to analytical interference in many immunoassays that utilize streptavidin-biotin capture techniques, yielding skewed results that can mimic various e...

journal_title：Clinical chemistry and laboratory medicine

authors： Piketty ML,Prie D,Sedel F,Bernard D,Hercend C,Chanson P,Souberbielle JC

更新日期：2017-05-01 00:00:00

abstract：:Background The accurate and precise measurement of triglycerides is important due to the adverse effects associated with hypertriglyceridaemia. Most laboratory methods are based on enzymatic hydrolysis of triglycerides with measurement of the total glycerol. An elevated free glycerol concentration may result in overes...

journal_title：Clinical chemistry and laboratory medicine

authors： van Heerden C,Magwete A,Mabuza D

更新日期：2020-07-28 00:00:00

abstract：BACKGROUND:Malaria infection with Plasmodium falciparum is an important basic health problem in the tropical and sub-tropical countries. The standard diagnostic method is blood film examination to visualize parasite morphology. However, in cases of low parasitemia or mixed infection with very low cryptic species, micro...

journal_title：Clinical chemistry and laboratory medicine

authors： Potipitak T,Ngrenngarmlert W,Promptmas C,Chomean S,Ittarat W

更新日期：2011-08-01 00:00:00

abstract：BACKGROUND:International recommendations highlight the superior value of cardiac troponins (cTns) for early diagnosis of myocardial infarction along with analytical requirements of improved precision and detectability. In this multicenter study, we investigated the analytical performance of a new high sensitive cardiac...

journal_title：Clinical chemistry and laboratory medicine

authors： Krintus M,Kozinski M,Boudry P,Capell NE,Köller U,Lackner K,Lefèvre G,Lennartz L,Lotz J,Herranz AM,Nybo M,Plebani M,Sandberg MB,Schratzberger W,Shih J,Skadberg Ø,Chargui AT,Zaninotto M,Sypniewska G

更新日期：2014-11-01 00:00:00

abstract：:Venous blood sampling (phlebotomy) is the most common invasive procedure performed in patient care. Guidelines on the correct practice of phlebotomy are available, including the H3-A6 guideline issued by the Clinical Laboratory Standards Institute (CLSI). As the quality of practices and procedures related to venous bl...

journal_title：Clinical chemistry and laboratory medicine

authors： van Dongen-Lases EC,Cornes MP,Grankvist K,Ibarz M,Kristensen GB,Lippi G,Nybo M,Simundic AM,Working Group for Preanalytical Phase (WG-PRE), European Federation of Clinical Chemistry and Laboratory Medicine (EFLM).

更新日期：2016-07-01 00:00:00

abstract：:The Institute of Medicine (IOM) report, To err is human, galvanized a dramatically increased level of concern about adverse events and patient safety in healthcare, including errors in laboratory medicine. While a significant decrease in the error rates of clinical laboratories has been achieved and documented in rece...

journal_title：Clinical chemistry and laboratory medicine

authors： Plebani M

更新日期：2007-01-01 00:00:00

abstract：:Biochemical measurements in "special fluids" are complicated with the problem of reference intervals. Reference intervals are difficult to establish for these types of samples since they are usually only collected in patients with clinical suspicion of disease. Determination of neurotransmitter metabolites in cerebros...

journal_title：Clinical chemistry and laboratory medicine

authors： Dhondt JL

更新日期：2004-01-01 00:00:00

abstract：BACKGROUND:Circulating trimethylamine-N-oxide (TMAO) has been implicated in the development of cardiovascular and chronic kidney diseases (CKD). However, while higher TMAO levels have been associated with increased risks of cardiovascular or renal events in first prospective studies, it remained unclear how much plasma...

journal_title：Clinical chemistry and laboratory medicine

authors： Kühn T,Rohrmann S,Sookthai D,Johnson T,Katzke V,Kaaks R,von Eckardstein A,Müller D

更新日期：2017-02-01 00:00:00

abstract：:Heart-type fatty acid-binding protein (H-FABP) is a low molecular weight cytoplasmic protein and present abundantly in the myocardium. When the myocardium is injured, as in the case of myocardial infarction, low molecular weight cytoplasmic proteins including H-FABP are released into the circulation and H-FABP is dete...

journal_title：Clinical chemistry and laboratory medicine

authors： Okamoto F,Sohmiya K,Ohkaru Y,Kawamura K,Asayama K,Kimura H,Nishimura S,Ishii H,Sunahara N,Tanaka T

更新日期：2000-03-01 00:00:00

abstract：PURPOSE:The aim of our study was to measure the inter-assay variation and accuracy of serum creatinine assays and to assess the effect of standardized calibration procedures on this variability. METHODS:We analyzed 30 human sera and three reference materials, using 17 creatinine assays (12 colorimetric, 4 enzymatic an...

journal_title：Clinical chemistry and laboratory medicine

authors： Séronie-Vivien S,Galteau MM,Carlier MC,Hadj-Aissa A,Hanser AM,Hym B,Marchal A,Michotey O,Pouteil-Noble C,Sternberg M,Perret-Liaudet A,Creatinine Working Group of the Société Française de Biologie Clinique.

更新日期：2005-01-01 00:00:00

abstract：:Neopterin is elevated in infections, autoimmune diseases and post-transplant. Recently neopterin elevation was linked to stress response and malignancy. To determine early changes of serum neopterin caused by surgical stress and to investigate their association with other inflammatory markers and with malignancy, we m...

journal_title：Clinical chemistry and laboratory medicine

authors： Jerin A,Pozar-Lukanovic N,Sojar V,Stanisavljevic D,Paver-Erzen V,Osredkar J

更新日期：2002-07-01 00:00:00