abstract：BACKGROUND:Cost-impact models have indicated that in the USA, the use of antibiotic stewardship protocols based on procalcitonin (PCT) levels for patients with suspected acute respiratory tract infection results in cost savings. Our objective was to assess the cost impact of adopting PCT testing among patients with acu...

journal_title：Clinical chemistry and laboratory medicine

authors： Stojanovic I,Schneider JE,Wei L,Hong Z,Keane C,Schuetz P

更新日期：2017-03-01 00:00:00

abstract：BACKGROUND:After the re-introduction of ImmunoCAP® ISAC sIgE 112 on the market, we undertook a study to evaluate the performance of this multiplex-based immunoassay for IgE measurements to allergen components. METHODS:The study was carried out at 22 European and one South African site. Microarrays from different batch...

journal_title：Clinical chemistry and laboratory medicine

authors： van Hage M,Schmid-Grendelmeier P,Skevaki C,Plebani M,Canonica W,Kleine-Tebbe J,Nystrand M,Jafari-Mamaghani M,Jakob T

更新日期：2017-03-01 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:Lysosphingolipids (LysoSLs) are derivatives of sphingolipids which have lost the amide-linked acyl chain. More recently, LysoSLs have been identified as storage compounds in several sphingolipidoses, including Gaucher, Fabry and Niemann-Pick diseases. To date, different methods have been developed to measure...

journal_title：Clinical chemistry and laboratory medicine

authors： Polo G,Burlina AP,Kolamunnage TB,Zampieri M,Dionisi-Vici C,Strisciuglio P,Zaninotto M,Plebani M,Burlina AB

更新日期：2017-03-01 00:00:00

abstract：BACKGROUND:Cholesterol homeostasis disorders may cause dyslipidemia, atherosclerosis progression and coronary artery disease (CAD) development. Evaluation of non-cholesterol sterols (NCSs) as synthesis and absorption markers, and lipoprotein particles quality may indicate the dyslipidemia early development. This study ...

journal_title：Clinical chemistry and laboratory medicine

authors： Gojkovic T,Vladimirov S,Spasojevic-Kalimanovska V,Zeljkovic A,Vekic J,Kalimanovska-Ostric D,Djuricic I,Sobajic S,Jelic-Ivanovic Z

更新日期：2017-03-01 00:00:00

abstract：:It is now undeniable that laboratory testing is vital for the diagnosis, prognostication and therapeutic monitoring of human disease. Despite the many advances made for achieving a high degree of quality and safety in the analytical part of diagnostic testing, many hurdles in the total testing process remain, especial...

journal_title：Clinical chemistry and laboratory medicine

authors： Lippi G,Baird GS,Banfi G,Bölenius K,Cadamuro J,Church S,Cornes MP,Dacey A,Guillon A,Hoffmann G,Nybo M,Premawardhana LD,Salinas M,Sandberg S,Slingerland R,Stankovic A,Sverresdotter SM,Vermeersch P,Simundic AM

更新日期：2017-03-01 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：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：:It has been well reported over recent years that most errors within the total testing process occur in the pre-analytical phase (46%-68.2%), an area that is usually outside of the direct control of the laboratory and which includes sample collection (phlebotomy). National and international (WHO, CLSI) guidelines recom...

journal_title：Clinical chemistry and laboratory medicine

authors： Cornes M,van Dongen-Lases E,Grankvist K,Ibarz M,Kristensen G,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：2017-01-01 00:00:00

abstract：BACKGROUND:Interpretation of alkaline phosphatase activity in children is challenging due to extensive changes with growth and puberty leading to distinct sex- and age-specific dynamics. Continuous percentile charts from birth to adulthood allow accurate consideration of these dynamics and seem reasonable for an analyt...

journal_title：Clinical chemistry and laboratory medicine

authors： Zierk J,Arzideh F,Haeckel R,Cario H,Frühwald MC,Groß HJ,Gscheidmeier T,Hoffmann R,Krebs A,Lichtinghagen R,Neumann M,Ruf HG,Steigerwald U,Streichert T,Rascher W,Metzler M,Rauh M

更新日期：2017-01-01 00:00:00

abstract：BACKGROUND:The long noncoding RNAs (lncRNAs) have gradually been reported to be an important class of RNAs with pivotal roles in regulation of gene expression, and thus are involved in multitudinous human complex diseases. However, the biological functions and precise mechanisms of the majority of lncRNAs are still poo...

journal_title：Clinical chemistry and laboratory medicine

authors： Zhuo Y,Zeng Q,Zhang P,Li G,Xie Q,Cheng Y

更新日期：2017-01-01 00:00:00

abstract：BACKGROUND:Thyroid stimulating hormone (TSH) receptor autoantibodies (TRAb) are pathogenetic and diagnostic hallmarks of Graves' disease (GD). Three varieties of TRAb have been described: stimulating (S-TRAb), blocking (B-TRAb), and apoptotic (A-TRAb) autoantibodies. Very recently, the first immunoassay method (Immulit...

journal_title：Clinical chemistry and laboratory medicine

authors： Tozzoli R,D'Aurizio F,Villalta D,Giovanella L

更新日期：2017-01-01 00:00:00

abstract：BACKGROUND:The objective of the work was to study the manifestations of antiphospholipid syndrome (APS) in the Chinese population, and evaluate the ability of lupus anticoagulant (LAC) assays to identify APS. METHODS:Consecutive patients with APS from 2012 to 2015 in our hospital were recruited, strictly following the...

journal_title：Clinical chemistry and laboratory medicine

authors： Tang N,Sun Z,Yin S

更新日期：2016-11-01 00:00:00

abstract：BACKGROUND:External quality assessment/proficiency test (EQA/PT) organizers play an important role in monitoring the performance of HbA1c measurements. With increasing quality of the assays, HbA1c is increasingly used for diagnosis of diabetes and the demands on EQA/PT organizers themselves are rising constantly. EQA o...

journal_title：Clinical chemistry and laboratory medicine

authors： Kaiser P,Spannagl M,van Campenhout C,Lenga Y,Siebelder C,Weykamp C

更新日期：2016-11-01 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：BACKGROUND:We evaluated the effect of kidney glomerular function on serum concentrations of human epididymis protein 4 (HE4) using creatinine (Cr), cystatin C (CysC) and related chronic kidney disease epidemiology collaboration (CKD-EPI) equations. METHODS:We enrolled 101 women aged ≤56 years with a glomerular filtrat...

journal_title：Clinical chemistry and laboratory medicine

authors： Ferraro S,Pasqualetti S,Carnevale A,Panteghini M

更新日期：2016-10-01 00:00:00

abstract：BACKGROUND:The aim was to investigate whether first trimester glycodelin and angiopoietin-2 can predict small-for-gestational age (SGA) at delivery, individually or in combination. METHODS:In this case-control study we measured glycodelin and angiopoietin-2 on serum from 170 singleton pregnant women delivering SGA neo...

journal_title：Clinical chemistry and laboratory medicine

authors： Hansen YB,Myrhøj V,Jørgensen FS,Sørensen S

更新日期：2016-09-01 00:00:00

abstract：BACKGROUND:The basic helix-loop-helix transcription factor HAND1 is essential for cardiac development and structural remodeling, and mutations in HAND1 have been causally linked to various congenital heart diseases. However, whether genetically compromised HAND1 predisposes to dilated cardiomyopathy (DCM) in humans rem...

journal_title：Clinical chemistry and laboratory medicine

authors： Zhou YM,Dai XY,Qiu XB,Yuan F,Li RG,Xu YJ,Qu XK,Huang RT,Xue S,Yang YQ

更新日期：2016-07-01 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：BACKGROUND:Quantification of serum free light chains (FLC) is important in the diagnosis of plasma cell diseases where an abnormal kappa:lambda ratio infers a population of monoclonal plasma cells. The Freelite™ and N Latex assays have been validated in populations without kidney disease but there is a paucity of data ...

journal_title：Clinical chemistry and laboratory medicine

authors： Kennard A,Hawley C,Tate J,Klingberg S,Pretorius C,Hutchison C,Mollee P

更新日期：2016-06-01 00:00:00

abstract：BACKGROUND:POEMS syndrome is defined by Polyneuropathy, Organomegaly, Endocrinopathy, Monoclonal gammopathy and Skin changes. The vascular endothelial growth factor (VEGF) appears to play a key role in the pathogenesis of the syndrome, and its concentrations are deemed to correlate to disease activity. The aim of the p...

journal_title：Clinical chemistry and laboratory medicine

authors： Altinier S,Proko K,Zaninotto M,Ciubotaru D,Seguso M,Varagnolo M,Lessi F,Briani C,Adami F,Plebani M

更新日期：2016-06-01 00:00:00

abstract：:The serum free light chain (FLC) assay has proven to be an important complementary test in the management of patients with monoclonal gammopathies. The serum FLC assay has value for patients with plasma cell disorders in the context of screening and diagnosis, prognostic stratification, and quantitative monitoring. No...

journal_title：Clinical chemistry and laboratory medicine

authors： Jacobs JF,Tate JR,Merlini G

更新日期：2016-06-01 00:00:00

abstract：:The detection and quantification of amyloidogenic monoclonal light chains are necessary for the diagnosis and evaluation of response to treatment in AL amyloidosis. However, the amyloid clone is often small and difficult to detect. We report the case of a 68-year-old man who was referred to our Center in April 2013 af...

journal_title：Clinical chemistry and laboratory medicine

authors： Milani P,Valentini V,Ferraro G,Basset M,Russo F,Foli A,Palladini G,Merlini G

更新日期：2016-06-01 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：BACKGROUND:Autoantibodies against β1-adrenergic receptors (β1AR) that stimulate cardiac cAMP-production play a causal role in the pathogenesis of human heart failure. Patients can be subjected to specific therapies, if the presence of potentially cardio-noxious β1AR-autoantibodies is reliably diagnosed. This requires a...

journal_title：Clinical chemistry and laboratory medicine

authors： Bornholz B,Benninghaus T,Reinke Y,Felix SB,Roggenbuck D,Jahns-Boivin V,Jahns R,Boege F

更新日期：2016-04-01 00:00:00

abstract：BACKGROUND:The aim of the study was to develop a method for sweat chloride (Cl) quantification using Inductively Coupled Plasma Mass Spectrometry (ICP-MS) to present to the Joint Committee for Traceability in Laboratory Medicine (JCTLM) as a candidate reference method for the diagnosis of cystic fibrosis (CF). METHODS...

journal_title：Clinical chemistry and laboratory medicine

authors： Collie JT,Massie RJ,Jones OA,Morrison PD,Greaves RF

更新日期：2016-04-01 00:00:00

abstract：BACKGROUND:Procalcitonin (PCT) is increasingly being used for the diagnostic and prognostic work up of patients with suspected infections in the emergency department (ED). Recently, B·R·A·H·M·S PCT direct, the first high sensitive point-of-care test (POCT), has been developed for fast PCT measurement on capillary or ve...

journal_title：Clinical chemistry and laboratory medicine

authors： Kutz A,Hausfater P,Oppert M,Alan M,Grolimund E,Gast C,Alonso C,Wissmann C,Kuehn C,Bernard M,Huber A,Mueller B,Schuetz P

更新日期：2016-04-01 00:00:00

abstract：BACKGROUND:Fibrinogen-based clot firmness is reported as the maximum amplitude (MA) when using the citrated functional fibrinogen (CFF) assay in thrombelastography (TEG), and as the maximum clot firmness (MCF) together with several clot amplitude parameters when using the FIBTEM assay in thromboelastometry (ROTEM). Con...

journal_title：Clinical chemistry and laboratory medicine

authors： Prüller F,Münch A,Preininger A,Raggam RB,Grinschgl Y,Krumnikl J,Toller W,Metzler H,Mahla E,Mangge H

更新日期：2016-03-01 00:00:00

abstract：BACKGROUND:In recent years, fatty acid ethyl esters (FAEEs) and ethyl glucuronide (EtG) in meconium emerged as reliable, direct biological markers for establishing gestational ethanol exposure. We investigated whether EtG in maternal hair measured during the three trimesters of pregnancy correlated with EtG and FAEEs i...

journal_title：Clinical chemistry and laboratory medicine

authors： Joya X,Marchei E,Salat-Batlle J,García-Algar O,Calvaresi V,Pacifici R,Pichini S

更新日期：2016-03-01 00:00:00

abstract：BACKGROUND:Gastrointestinal toxicity is the principal toxicity of chemoradiation in the treatment of rectal carcinoma. The assessment of this toxicity still relies mostly on the symptoms reported by the patient. METHODS:Plasma citrulline, serum neopterin and urinary neopterin were followed weekly in 49 patients with r...

journal_title：Clinical chemistry and laboratory medicine

authors： Zezulová M,Bartoušková M,Hlídková E,Adam T,Kujovská Krčmová L,Červinková B,Solichová D,Zlevorová M,Cwiertka K,Friedecký D,Vrána D,Melichar B

更新日期：2016-02-01 00:00:00

abstract：BACKGROUND:The presence of IgA antibodies to tissue transglutaminase (anti-tTg) is associated with variable risk for celiac disease. The use of common multiples of the upper limit of normal (ULN) has been suggested to optimize diagnostic pathways as well as improve harmonization between assays. METHODS:The characteris...

journal_title：Clinical chemistry and laboratory medicine

authors： Suh-Lailam BB,Davis KW,Tebo AE

更新日期：2016-02-01 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:Gestational age-specific reference values are essential for the accurate interpretation of haemostatic tests during pregnancy. METHODS:Our 1-year prospective study included 40 healthy pregnant women with a median age of 30 (range 22-40) years; the subjects were followed in order to establish the gestational...

journal_title：Clinical chemistry and laboratory medicine

authors： Kovac MK,Lalic-Cosic SZ,Dmitrovic JM,Djordjevic VJ,Radojkovic DP

更新日期：2015-11-01 00:00:00

abstract：BACKGROUND:Ebola virus, an enveloped virus, is the cause of the largest and most complex Ebola virus disease (EVD) outbreak in West Africa. Blood or body fluids of an infected person may represent a biohazard to laboratory workers. Laboratory tests of virus containing specimens should be conducted in referral centres a...

journal_title：Clinical chemistry and laboratory medicine

authors： Tempestilli M,Pucci L,Notari S,Di Caro A,Castilletti C,Rivelli MR,Agrati C,Pucillo LP

更新日期：2015-11-01 00:00:00

abstract：BACKGROUND:Low-density lipoprotein cholesterol (LDL-C) is an established risk factor for cardiovascular disease and is usually estimated by the Friedewald formula (FF) calculated from three parameters, namely, total cholesterol (TC), triglyceride (TG), and high-density lipoprotein cholesterol (HDL-C). We aimed to devel...

journal_title：Clinical chemistry and laboratory medicine

authors： Hu CY,Lee CL,Sheu WH,Wang JS,Lee IT,Song YM,Fu CP,Ling JT,Li YF,Lin SY

更新日期：2015-10-01 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:The knowledge of physiological fluctuation and variation of even commonly used biochemical quantities in extreme age groups and during development is sparse. This challenges the clinical interpretation and utility of laboratory tests in these age groups. To explore the utility of hospital laboratory data as ...

journal_title：Clinical chemistry and laboratory medicine

authors： Søeby K,Jensen PB,Werge T,Sørensen S

更新日期：2015-09-01 00:00:00

abstract：BACKGROUND:The European Society for Pediatric Gastroenterology and Nutrition states that if IgA anti-tissue transglutaminase (tTG) exceeds 10 times the upper limit of normal (ULN), there is the possibility to diagnose celiac disease (CD) without duodenal biopsy, if supported by anti-endomysium testing and human leukocy...

journal_title：Clinical chemistry and laboratory medicine

authors： Oyaert M,Vermeersch P,De Hertogh G,Hiele M,Vandeputte N,Hoffman I,Bossuyt X

更新日期：2015-09-01 00:00:00

abstract：BACKGROUND:As ABO blood type influences the plasma level of coagulation factor VIII (FVIII), it likely also affects activated partial thromboplastin time (aPTT) and thrombin generation assay (TGA) values. Here, we aimed to investigate the effect of ABO type on the normal values of three global coagulation assays: proth...

journal_title：Clinical chemistry and laboratory medicine

authors： Choi Q,Kim JE,Kim SY,Han KS,Kim HK

更新日期：2015-08-01 00:00:00

abstract：BACKGROUND:Haemoglobin (Hb) variants are well-known factors interfering with accurate HbA1c testing. This report describes two novel Hb variants leading to inappropriate quantification of HbA1c by ion-exchange chromatography. METHODS:Glycated forms of novel Hb variants were recognised in the blood of two patients with...

journal_title：Clinical chemistry and laboratory medicine

authors： Bots M,Stroobants AK,Delzenne B,Soeters MR,de Vries JE,Weykamp CW,Norg RJ,Veldthuis M,Zwieten Rv

更新日期：2015-08-01 00:00:00