Standardization of gamma-glutamyltransferase assays by intermethod calibration. Effect on determining common reference limits.

abstract：PURPOSE:Mechanical manipulation of the prostate is a generally accepted interfering factor for the measurement of prostate-specific antigen (PSA). However, only few studies have focused on common daily mechanical manipulations, such as bicycle riding. Furthermore, physical exercise is also supposed to modulate PSA seru...

journal_title：Clinical chemistry and laboratory medicine

authors： Herrmann M,Scharhag J,Sand-Hill M,Kindermann W,Herrmann W

更新日期：2004-03-01 00:00:00

abstract：BACKGROUND:Serum immunoglobulin free light chains (FLC) are secreted into circulation by plasma cells as a by-product of immunoglobulin production. In a healthy individual the population of FLC is polyclonal as no single cell is secreting more FLC than the total immunoglobulin secreting cell population. In a person wit...

journal_title：Clinical chemistry and laboratory medicine

authors： Barnidge DR,Dispenzieri A,Merlini G,Katzmann JA,Murray DL

更新日期：2016-06-01 00:00:00

abstract：:Early diagnosis of cobalamin deficiency is crucial, owing to the latent nature of this disorder and the resulting possible irreversible neurological damage. A normal serum cobalamin concentration does not reliably rule out a functional cobalamin deficiency and there does not at present seem to be any single diagnostic...

journal_title：Clinical chemistry and laboratory medicine

authors： Nilsson K,Isaksson A,Gustafson L,Hultberg B

更新日期：2004-01-01 00:00:00

abstract：BACKGROUND:The Intermountain Mortality Risk Score (IMRS), a sex-specific mortality-prediction metric, has proven to be effective in various populations. IMRS is comprised of the complete blood count (CBC), basic metabolic panel (BMP), and age. Whether the addition of factors from the comprehensive metabolic panel (CMP)...

journal_title：Clinical chemistry and laboratory medicine

authors： May HT,Anderson JL,Muhlestein JB,Lappé DL,Ronnow BS,Horne BD

更新日期：2016-10-01 00:00:00

abstract：:The early diagnosis of rheumatoid arthritis (RA) has become a priority owing to the availability of effective disease-modifying agents that can improve patient wellbeing and influence the clinical outcome. However, this represents a real challenge, as no clinical, radiological or immunological features are pathognomon...

journal_title：Clinical chemistry and laboratory medicine

authors： Bizzaro N

更新日期：2007-01-01 00:00:00

abstract：:A questionable scientific approach to measuring at low concentrations and inappropriate censoring of results below certain cut-offs have resulted in the dichotomous classification of troponin assays based on their so-called analytical sensitivity. The definition of "high-sensitivity" cardiac troponin is flawed. Eviden...

journal_title：Clinical chemistry and laboratory medicine

authors： Ungerer JPJ,Pretorius CJ

更新日期：2017-10-26 00:00:00

abstract：BACKGROUND:Galectin-3 is an emerging biomarker of heart failure and of myocardial fibrosis risk. Monitoring of galectin-3 is essential during treatment with galectin-3 inhibitors. The aim of our study was to assess long-term biological variability in a specific group of unhealthy subjects. METHODS:The biological varia...

journal_title：Clinical chemistry and laboratory medicine

authors： Franeková J,Kubíček Z,Hošková L,Kotrbatá M,Sečník P,Kautzner J,Jabor A

更新日期：2015-01-01 00:00:00

abstract：:Background The increasing number of multi-drug resistant (MDR) bacteria provides enormous challenges for choosing an appropriate antibiotic therapy in the early phase of sepsis. While bacterial identification has been greatly accelerated by the introduction of matrix-assisted laser desorption ionization-time of flight...

journal_title：Clinical chemistry and laboratory medicine

authors： Kittel M,Findeisen P,Ghebremedhin B,Miethke T,Grundt A,Ahmad-Nejad P,Neumaier M

更新日期：2019-07-26 00:00:00

abstract：:Most studies of the relation between psychological performance in the elderly and deficiencies of cobalamin and folate have used methods that determine the blood concentrations of these vitamins, which might not reflect the vitamin status in the tissues. Recently, two new markers, plasma homocysteine and methylmalonic...

journal_title：Clinical chemistry and laboratory medicine

authors： Hultberg B,Jensen E,Dehlin O,Hagberg B,Samuelsson G,Svensson T

更新日期：1999-10-01 00:00:00

abstract：:Thrombophilia can be identified in about half of all patients presenting with venous thromboembolism (VTE). Thrombophilia screening for various indications has increased tremendously, but whether the results of such tests help in the clinical management of patients is uncertain. Here, current recommendations for throm...

journal_title：Clinical chemistry and laboratory medicine

authors： Stegnar M

更新日期：2010-12-01 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：: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:Certain genetic polymorphisms can lead to differences in immunity function, resulting in different clinical outcomes for hepatitis B virus (HBV) patients. The aim of this study was to investigate the association between apolipoprotein E (ApoE) gene polymorphisms and HBV infection status in northern Chinese i...

journal_title：Clinical chemistry and laboratory medicine

authors： Yin Z,Xiong C,Wang Y,Zhou X,Yan SK

更新日期：2010-12-01 00:00:00

abstract：BACKGROUND:Laboratory reference intervals are not necessarily reflecting the range in the background population. This study compared creatine kinase (CK) reference intervals calculated from a large sample from a Norwegian population with those elaborated by the Nordic Reference Interval Project (NORIP). It also assesse...

journal_title：Clinical chemistry and laboratory medicine

authors： Lilleng H,Johnsen SH,Wilsgaard T,Bekkelund SI

更新日期：2011-11-10 00:00:00

abstract：BACKGROUND:Various studies have described decreased serum angiotensin-converting enzyme (ACE) activity in patients with pneumonia. The aim of the present study was to evaluate the role of ACE in pneumonia by comparing ACE insertion/deletion (I/D) genotype corrected serum ACE activity and to establish whether the severi...

journal_title：Clinical chemistry and laboratory medicine

authors： van de Garde EM,Endeman H,Deneer VH,Biesma DH,Ruven HJ,van Velzen-Blad H,Leufkens HG,van den Bosch JM

更新日期：2007-01-01 00:00:00

abstract：:The aim of the study was to investigate whether procalcitonin, soluble CD14 and interleukin-6 show advantages in predicting the outcome and specificity for bacterial infection in patients with sepsis in comparison to common C-reactive protein measurement. Laboratory parameters were measured in plasma of patients durin...

journal_title：Clinical chemistry and laboratory medicine

authors： Herrmann W,Ecker D,Quast S,Klieden M,Rose S,Marzi I

更新日期：2000-01-01 00:00:00

abstract：BACKGROUND:Vitamin B12 deficiency and bone fractures are common in vegetarians. However, a direct relationship between vitamin B12 status and bone metabolism in vegetarians has not been tested sufficiently. METHODS:Our study included 96 vegetarians (23 German vegans, and 54 German and 19 Indian lacto-, lacto-ovo-veget...

journal_title：Clinical chemistry and laboratory medicine

authors： Herrmann W,Obeid R,Schorr H,Hübner U,Geisel J,Sand-Hill M,Ali N,Herrmann M

更新日期：2009-01-01 00:00:00

abstract：BACKGROUND:Cystatin C (CST3), a strong inhibitor of cysteine proteinases, is freely filtered by the kidney glomerulus and is reabsorbed by the tubules, where it is almost totally catabolized, with the remainder then eliminated in urine. In tubular diseases, it seems sensible to postulate that CST3 degradation would be ...

journal_title：Clinical chemistry and laboratory medicine

authors： Conti M,Moutereau S,Zater M,Lallali K,Durrbach A,Manivet P,Eschwège P,Loric S

更新日期：2006-01-01 00:00:00

abstract：:Intake of drugs may influence the interpretation of laboratory test results. Knowledge and correct interpretation of possible drug-laboratory test interactions (DLTIs) is important for physicians, pharmacists and laboratory specialists. Laboratory results may be affected by analytical or physiological effects of medic...

journal_title：Clinical chemistry and laboratory medicine

authors： van Balveren JA,Verboeket-van de Venne WPHG,Erdem-Eraslan L,de Graaf AJ,Loot AE,Musson REA,Oosterhuis WP,Schuijt MP,van der Sijs H,Verheul RJ,de Wolf HK,Kusters R,Hoedemakers RMJ,Dutch Society for Clinical Chemistry and Laborat

更新日期：2018-11-27 00:00:00

abstract：BACKGROUND:Thrombopoietin (TPO), a growth factor primarily involved in regulating thrombopoiesis, has been recently implicated in the pathogenesis of sepsis. TPO levels are, indeed, greatly increased in patients with sepsis compared to control subjects, and correlate with sepsis severity. The aim of this study was to e...

journal_title：Clinical chemistry and laboratory medicine

authors： Segre E,Pigozzi L,Lison D,Pivetta E,Bosco O,Vizio B,Suppo U,Turvani F,Morello F,Battista S,Moiraghi C,Montrucchio G,Lupia E

更新日期：2014-10-01 00:00:00

abstract：:Background Some clinical chemistry measurement methods are vulnerable to interference if hemolyzed serum samples are used. The aims of this study were: (1) to obtain updated information about how hemolysis affects clinical chemistry test results on different instrument platforms used in Nordic laboratories, and (2) to...

journal_title：Clinical chemistry and laboratory medicine

authors： Gidske G,Aakre KM,Rustad P,Sandberg S,Norling A,Pelanti J,Henriksen G,Thorsteinsdottir I,Kristensen GBB

更新日期：2019-10-25 00:00:00

abstract：UNLABELLED:Background: Melanoma is the most aggressive skin cancer and, despite recent advances in therapy, about 20% of the patients die of their disease. Early relapse detection and monitoring of therapy response are crucial for efficient treatment of advanced melanoma. Thus, there is a need for blood-based biomarker...

journal_title：Clinical chemistry and laboratory medicine

authors： Kuhlmann JD,Wimberger P,Wilsch K,Fluck M,Suter L,Brunner G

更新日期：2015-03-01 00:00:00

abstract：PURPOSE:Premature osteoporosis is a frequent problem in female athletes. Current concepts suggest that a disruption of the hypothalamic-pituitary axis leads to hypoestrogenism, which then causes amenorrhea and osteoporosis. However, the underlying mechanisms have been insufficiently investigated. Osteoprotegerin (OPG) ...

journal_title：Clinical chemistry and laboratory medicine

authors： Herrmann M,Herrmann W

更新日期：2004-01-01 00:00:00

abstract：:This review presents an overview of current research on the use of capillary electrophoretic techniques for the analysis of drugs in biological matrices. The discussion focuses on the applicability of the methods for the identification of unknown toxic compounds, which is defined as systematic toxicological analysis (...

journal_title：Clinical chemistry and laboratory medicine

authors： Boone CM,Ensing K

更新日期：2003-06-01 00:00:00

abstract：BACKGROUND:Cardiac troponins are considered the cornerstone for risk stratification and diagnosis of patients with acute coronary syndrome (ACS). Following Clinical Laboratory Standards Institute (CLSI) guidelines, we assessed the analytical performances of the Pathfast (Mitsubishi, Japan) cTnI method. METHODS:We eval...

journal_title：Clinical chemistry and laboratory medicine

authors： Di Serio F,Caputo M,Zaninotto M,Ottomano C,Plebani M

更新日期：2009-01-01 00:00:00

abstract：:On May 28-29, 2009, a number of medical laboratory opinion leaders, pathologists and biochemists met in Sitges, Spain to discuss issues of interest to medical laboratory professionals. The meeting was sponsored by Bio-Rad Laboratories Inc. (Hercules, CA). Over 40 persons representing Austria, Belgium, Czech Republic, ...

journal_title：Clinical chemistry and laboratory medicine

authors： Burnett D,Ceriotti F,Cooper G,Parvin C,Plebani M,Westgard J

更新日期：2010-01-01 00:00:00

abstract：BACKGROUND:Recent studies have suggested that omentin-1 plays a critical role in the development of cardiovascular disease. However, reported findings are inconsistent, and no study has evaluated the association between omentin-1 levels and a poor functional outcome after ischemic stroke onset. METHODS:A total of 266 ...

journal_title：Clinical chemistry and laboratory medicine

authors： Xu T,Zuo P,Wang Y,Gao Z,Ke K

更新日期：2018-01-26 00:00:00

abstract：BACKGROUND:The compatibility of immunoassay tests in different sample matrices is extremely important during the assay validation process. In this study, we investigated the interchangeability of some Access (and therefore all the UniCel Family platforms) assays between serum and plasma. METHODS:We tested approximatel...

journal_title：Clinical chemistry and laboratory medicine

authors： Vignati G,Chiecchio A,Osnaghi B,Giovanelli L,Meloncelli C

更新日期：2008-01-01 00:00:00

abstract：:Although the perioperative event rate has declined over the past 30 years, as a consequence of the developments in anesthesiology and surgical techniques, perioperative cardiovascular complications are still a significant clinical problem. At the end of the last century, a pooled analysis of several large studies foun...

journal_title：Clinical chemistry and laboratory medicine

authors： Clerico A,Emdin M,Passino C

更新日期：2014-07-01 00:00:00

abstract：BACKGROUND:There are several complementary English-language guidelines for the performance of the sweat chloride test. These guidelines also incorporate information for the collection of conductivity samples. However, recommendations for the measurement and reporting of sweat conductivity are less clear than for sweat ...

journal_title：Clinical chemistry and laboratory medicine

authors： Greaves RF,Jolly L,Massie J,Scott S,Wiley VC,Metz MP,Mackay RJ,Australasian Association of Clinical Biochemists Sweat Test Working Party in association with the Royal Australasian College of Pathologists Quality Assurance Programs.

更新日期：2018-03-28 00:00:00