Impact of standardized calibration on the inter-assay variation of 14 automated assays for the measurement of creatinine in human serum.

abstract：BACKGROUND:The differential diagnosis between bacterial and viral meningitis is not easy in some cases. Cerebrospinal fluid (CSF) analysis is essential for establishing this diagnosis. The objectives were to quantitate lactic acid (LA) concentrations in bacterial and viral meningitis, and other central nervous system (...

journal_title：Clinical chemistry and laboratory medicine

authors： de Almeida SM,Faria FL,de Goes Fontes K,Buczenko GM,Berto DB,Raboni SM,Vidal LR,Nogueira MB

更新日期：2009-01-01 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:Improving quality and patient safety in the medical biochemistry laboratory accredited according to the International Standard Organization (ISO 15189:2012) requires the patient-centered evaluation of errors based on the implementation of quality indicators (QIs) across the total testing process. Our main go...

journal_title：Clinical chemistry and laboratory medicine

authors： Flegar-Meštrić Z,Perkov S,Radeljak A,Kardum Paro MM,Prkačin I,Devčić-Jeras A

更新日期：2017-03-01 00:00:00

abstract：:Background Quantification of plasma amino acids is key to the diagnosis of inherited defects of amino acid synthesis, catabolism and transport, many of which present as clinical emergencies. The utility of this test is limited by the long analysis time and subsequent inability of laboratories to provide results in rea...

journal_title：Clinical chemistry and laboratory medicine

authors： Carling RS,John K,Churchus R,Turner C,Dalton RN

更新日期：2020-04-28 00:00:00

abstract：BACKGROUND:Sequencing based mutation screening assays of genes encompassing large numbers of exons could be substantially optimized by multiplex PCR, which enables simultaneous amplification of many targets in one reaction. In the present study, a multiplex PCR protocol originally developed for fragment analysis was ev...

journal_title：Clinical chemistry and laboratory medicine

authors： Horn MP,Mäder-Heinemann G,Andrey G,Largiadèr CR

更新日期：2009-01-01 00:00:00

abstract：:Complexity, cost, and content are three important factors that can impede translation of clinical protein mass spectrometry (MS) tests at a larger scale. Complexity stems from the many components/steps involved in bottom-up protein MS workflows, making them significantly more complicated than enzymatic immunoassays (E...

journal_title：Clinical chemistry and laboratory medicine

authors： Nedelkov D,Hu Y

更新日期：2020-06-25 00:00:00

abstract：:Recent studies demonstrated that large amounts of the pro-hormone peptide of brain natriuretic peptide (proBNP) can be detected in plasma of healthy subjects and in particular of patients with heart failure. As a result, a great part of B-type natriuretic peptides measured in patients with cardio-vascular disease may ...

journal_title：Clinical chemistry and laboratory medicine

authors： Clerico A,Vittorini S,Passino C

更新日期：2011-08-26 00:00:00

abstract：UNLABELLED:The pathogenesis of abdominal aortic aneurysms (AAA) is a complex process in which atherosclerosis and inflammation play a leading role. Cytokines are important mediators of both processes. The aim of our study was to determine whether plasma levels of cytokines which are most involved in AAA pathogenesis ca...

journal_title：Clinical chemistry and laboratory medicine

authors： Treska V,Topolcan O,Pecen L

更新日期：2000-11-01 00:00:00

abstract：:Experimental and observational studies support a role of plasma homocysteine levels (tHcy) in coronary artery disease (CAD). In the GENICA (Genetic and Environmental factors In Coronary Atherosclerosis) study, we found that high tHcy predicted cardiovascular mortality in hypertensive, but not in normotensive, patients...

journal_title：Clinical chemistry and laboratory medicine

authors： Rossi GP,Seccia TM,Pessina AC

更新日期：2007-01-01 00:00:00

abstract：BACKGROUND:Cardiac biomarkers, including cardiac troponin-I (cTn-I) and N-terminal pro brain natriuretic peptide (NT-proBNP) have been associated with poor outcome in hemodialysis (HD) patients. The present study was designed to evaluate these biomarkers as biological risk factors for early and late mortality in HD pat...

journal_title：Clinical chemistry and laboratory medicine

authors： Bargnoux AS,Morena M,Jaussent I,Maurice F,Chalabi L,Leray-Moragues H,Terrier N,Dupuy AM,Badiou S,Canaud B,Cristol JP

更新日期：2013-09-01 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：:Drug-induced cardiotoxicity is a major clinical problem; cardiotoxic drugs may induce both cardiac dysfunction and myocardial injury. Several recent studies reported that cardiac troponins measured with high-sensitivity methods (hs-cTn) can enable the early detection of myocardial injury related to chemotherapy or abu...

journal_title：Clinical chemistry and laboratory medicine

authors： Cardinale DM,Zaninotto M,Cipolla CM,Passino C,Plebani M,Clerico A

更新日期：2020-08-26 00:00:00

abstract：:Active anti-HIV therapy can induce hypertriglyceridemia, low high-density lipoprotein (HDL) and insulin resistance, eventually accompanied by clinical lipodystrophy, associated loss of subcutaneous adipose tissue and an increase in abdominal adiposity. The frequency of these metabolic disorders is approximately 50% an...

journal_title：Clinical chemistry and laboratory medicine

authors： Bonnet E,Genoux A,Bernard J,Fauvel J,Massip P,Perret B

更新日期：2007-01-01 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：BACKGROUND:The objective of the study was to find the incidence of hemolysis in samples transported through a pneumatic tube system (PTS) at different speeds. METHODS:This prospective observational study was done in three phases: "short distance and high speed (115 m at 3 m/s)", "long distance and high speed (225 m at...

journal_title：Clinical chemistry and laboratory medicine

authors： Tiwari AK,Pandey P,Dixit S,Raina V

更新日期：2011-11-10 00:00:00

abstract：BACKGROUND:While thyroglobulin autoantibodies (TgAb) can result in false low serum thyroglobulin (Tg) immunoassay (IA) measurements, they might also be indicators of disease persistence/recurrence. Hence, accurate TgAb measurement, in addition to Tg quantification, is crucial for thyroid cancer monitoring. We compared ...

journal_title：Clinical chemistry and laboratory medicine

authors： Katrangi W,Grebe SKG,Algeciras-Schimnich A

更新日期：2017-10-26 00:00:00

abstract：BACKGROUND:Crimean-Congo hemorrhagic fever (CCHF) is a public health problem in many countries. Chitotriosidase (ChT) is an enzyme secreted by activated macrophages that catalyzes the hydrolysis of chitin and chitin-like substrates. The goal of this study was to assess the relationship between serum ChT activity and mo...

journal_title：Clinical chemistry and laboratory medicine

authors： Kurt YG,Cayci T,Onguru P,Akgul EO,Yaman H,Aydin I,Bodur H,Turker T,Kurt I,Cevik MA,Erbil MK

更新日期：2009-01-01 00:00:00

abstract：:The aim of the study was to compare the results of digoxin assays performed using fluorescence polarization immunoassay (FPIA) on the TDxFLx and a dry chemistry enzyme immunoassay (EIA) on the Vitros 950. Within-run CV amounted to 8.52-10.49% for FPIA and 2.47-5.39% for EIA. Between-run CV amounted to 6.41-8.97% for F...

journal_title：Clinical chemistry and laboratory medicine

authors： Solnica B

更新日期：2004-01-01 00:00:00

abstract：:The commutability of 13 control materials was evaluated by performing parallel measurements on two different analysers: a Synchron CX-5 Delta from Beckman-Coulter and a Vitros 950 from Ortho-Clinical Diagnostics. Twenty three clinical chemistry analytes (substrates, electrolytes and enzymatic activities) were determin...

journal_title：Clinical chemistry and laboratory medicine

authors： Brion E,Lessinger JM,Gould N,Leyendecker J,Férard G

更新日期：2002-06-01 00:00:00

abstract：:Inflammatory bowel diseases (IBDs), which comprise the two major clinical subtypes, Crohn's disease and ulcerative colitis, incur high morbidity and potential mortality. The present study reviews data on the pathogenesis and diagnosis of IBDs. The pathogenesis depends on complex interactions between susceptibility gen...

journal_title：Clinical chemistry and laboratory medicine

authors： Basso D,Zambon CF,Plebani M

更新日期：2014-04-01 00:00:00

abstract：BACKGROUND:Customer satisfaction is a key quality indicator of laboratory service. Patients and physicians are the ultimate customers in medical laboratory, and their opinions are essential components in developing a customer-oriented laboratory. METHODS:A longitudinal investigation of customer satisfaction was conduc...

journal_title：Clinical chemistry and laboratory medicine

authors： Guo S,Duan Y,Liu X,Jiang Y

更新日期：2018-04-25 00:00:00

abstract：:In the Emergency Department it is mandatory to establish the diagnosis and the prognosis of acute pancreatitis as soon as possible. To evaluate whether the association of serum lipase either with serum beta2-microglobulin or with C-reactive protein allows simultaneously to establish the diagnosis and the prognosis of ...

journal_title：Clinical chemistry and laboratory medicine

authors： Pezzilli R,Morselli-Labate AM,Barakat B,Fiocchi M,Cappelletti O

更新日期：1998-12-01 00:00:00

abstract：:Elevated plasma levels of angiotensin converting enzyme (ACE) are associated with granulomatous diseases. However, several families of autosomal dominant hyper-ACE-emia without disease association have already been reported. Recently, the ACE mutation c.3705C>T (Pro1199Leu) was identified as the genetic correlate in E...

journal_title：Clinical chemistry and laboratory medicine

authors： Semmler A,Stein RW,Caplan L,Danilov SM,Klockgether T,Linnebank M

更新日期：2006-01-01 00:00:00

abstract：BACKGROUND:Accurate and early diagnosis of tuberculosis (TB) is of major importance in the management and control of TB. Because the conventional bacteriological diagnosis of TB has several limitations, nucleic acid amplification (NAA) tests have emerged as promising alternatives. A potential problem with NAA tests is ...

journal_title：Clinical chemistry and laboratory medicine

authors： Qin L,Zheng R,Fan C,Cai J,Liu Z,Wang J,Lu J,Jin R,Yang H,Cui Z,Feng Y,Hu Z

更新日期：2010-10-01 00:00:00

abstract：BACKGROUND:Investigation of a 61-year-old Caucasian male suffering from fatigue and weight loss led to the finding of a carbohydrate antigen 19-9 (CA 19-9) concentration of 80 kU/L using an ADVIA Centaur analyser. Determination of CA 19-9 on Vidas, AxSYM and Architect i2000 systems gave normal results. His rheumatoid f...

journal_title：Clinical chemistry and laboratory medicine

authors： Berth M,Bosmans E,Everaert J,Dierick J,Schiettecatte J,Anckaert E,Delanghe J

更新日期：2006-01-01 00:00:00

abstract：BACKGROUND:We verified the analytical performance of strip-based handheld glucose meters (GM) for prescription use, in a comparative split-sample protocol using blood gas samples from a surgical intensive care unit (ICU). METHODS:Freestyle Precision Pro (Abbott), StatStrip Connectivity Meter (Nova), ACCU-CHEK Inform I...

journal_title：Clinical chemistry and laboratory medicine

authors： Claerhout H,De Prins M,Mesotten D,Van den Berghe G,Mathieu C,Van Eldere J,Vanstapel F

更新日期：2016-01-01 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：:The term "clinical proteomics" refers to the application of available proteomics technologies to current areas of clinical investigation. The ability to simultaneously and comprehensively examine changes in large numbers of proteins in the context of disease or other changes in physiological conditions holds great pro...

journal_title：Clinical chemistry and laboratory medicine

authors： Clarke W,Zhang Z,Chan DW

更新日期：2003-12-01 00:00:00

abstract：BACKGROUND:Potassium is an important serum ion that is frequently assayed in clinical laboratories. Quality assurance requires reference methods; thus, the establishment of a candidate reference method for serum potassium measurements is important. METHODS:An inductively coupled plasma mass spectrometry (ICP-MS) metho...

journal_title：Clinical chemistry and laboratory medicine

authors： Yan Y,Han B,Zeng J,Zhou W,Zhang T,Zhang J,Chen W,Zhang C

更新日期：2017-08-28 00:00:00

abstract：BACKGROUND:Despite remarkable advances in technology and laboratory automation, results of laboratory testing still suffer from a high degree of preanalytical variability. Although there is no definitive evidence, the use of small-gauge needles for venipuncture is usually discouraged to reduce the chance of producing u...

journal_title：Clinical chemistry and laboratory medicine

authors： Lippi G,Salvagno GL,Montagnana M,Brocco G,Cesare Guidi G

更新日期：2006-01-01 00:00:00