Internal quality control in point-of-care testing: where's the evidence?

abstract：BACKGROUND:Oxidative stress may play an aetiological role in the development and progression of cardiovascular disease (CVD). However, evidence on its biochemical markers has been controversial. This article aimed to assess the role of F2-isoprostanes, a marker for measuring in vivo lipid oxidation, as a biomarker for ...

journal_title：Annals of clinical biochemistry

authors： Zhang ZJ

更新日期：2013-03-01 00:00:00

abstract：OBJECTIVE:The initial discovery of leptin (1994) has given rise to a substantial number of published studies. This study aimed at identifying the published data on the reference ranges of total, free and bound leptin concentration in the healthy prepubertal population. METHODS:A search was conducted on original Englis...

journal_title：Annals of clinical biochemistry

authors： Venner AA,Doyle-Baker PK,Lyon ME,Fung TS

更新日期：2009-01-01 00:00:00

abstract：:Serum total sialic acid (TSA) has gained medical interest, particularly as a cardiovascular risk factor and it has been hypothesized that serum levels relate to serum acute phase proteins, some of which are sialylated. We assayed serum TSA and also lipid associated sialic acid (LASA) in 50 normal individuals (24 male)...

journal_title：Annals of clinical biochemistry

authors： Haq M,Haq S,Tutt P,Crook M

更新日期：1993-07-01 00:00:00

abstract：BACKGROUND:Serum ornithine carbamoyltransferase is a diagnostic marker of hepatic disorders due to its localization in periportal mitochondria. METHODS:We have developed a new method for the determination of serum ornithine carbamoyltransferase. It is based on the reverse reaction of ornithine carbamoyltransferase, us...

journal_title：Annals of clinical biochemistry

authors： Ishikawa H,Matsuzawa T,Ohashi K,Nagamura Y

更新日期：2003-05-01 00:00:00

abstract：BACKGROUND:The rapid exclusion of acute myocardial infarction in patients with chest pain can reduce the length of hospital admission, prevent unnecessary diagnostic work-up and reduce the burden on our health-care systems. The combined use of biomarkers that are associated with different pathophysiological aspects of ...

journal_title：Annals of clinical biochemistry

authors： Jacobs LH,van Borren M,Gemen E,van Eck M,van Son B,Glatz JF,Daniels M,Kusters R

更新日期：2015-09-01 00:00:00

abstract：BACKGROUND:Supported liquid extraction (SLE) techniques are relatively new compared to other sample preparation approaches such as solid phase extraction (SPE), liquid-liquid extraction (LLE) and protein precipitation (PPE). We investigated the use of SLE as an alternative to SPE for the liquid chromatography tandem ma...

journal_title：Annals of clinical biochemistry

authors： Owen LJ,Keevil BG

更新日期：2013-09-01 00:00:00

abstract：:A total of 1381 urine specimens were screened using a Microgenics CEDIA urinary primary methadone metabolite (2-ethylidene-1,5-dimethyl-3,3-diphenylpyrrolidine; EDDP) immunoassay (cut-off calibrator concentration of 100 microg/L) in combination with a Dade Behring EMIT urinary methadone immunoassay (cut-off calibrator...

journal_title：Annals of clinical biochemistry

authors： George S,Parmar S,Meadway C,Braithwaite RA

更新日期：2000-05-01 00:00:00

abstract：:Most thyroid-stimulating hormone (TSH) assays now have the sensitivity required by thyroid guidelines and allow the reliable identification of patients with both overt and subclinical hyperthyroidism. Clinical guidelines usually quote decision limits for TSH, but often ignore the issue of whether variability in bias b...

journal_title：Annals of clinical biochemistry

authors： Beckett G,MacKenzie F

更新日期：2007-05-01 00:00:00

abstract：BACKGROUND:In a network of laboratories analytical variability between instruments, even of the same type, may exist for reasons beyond the control of laboratory staff. Controlling variability is a prerequisite for the application of shared reference ranges and for ensuring the transferability of patient test results. ...

journal_title：Annals of clinical biochemistry

authors： Jassam N,Lindsay C,Harrison K,Thompson D,Bosomworth MP,Barth JH

更新日期：2011-03-01 00:00:00

abstract：:The activity of serum deoxycytidylate deaminase, not hitherto reported to increase after myocardial infarction, has been investigated and the results have been related to other cardiac enzymes, including the MB fraction of creatine phosphokinase. Deoxycytidylate deaminase was found to increase to maximum activity on t...

journal_title：Annals of clinical biochemistry

authors： Roberts RG,Davies AG,Jones DD

更新日期：1978-11-01 00:00:00

abstract：:The effect of progestins on intracellular corticosteroid-binding globulin (CBG) mRNA expression in an endometrial cancer cell line (Ishikawa) was examined in an attempt to understand the biological effects of high-dose progestins in the treatment of well-differentiated uterine endometrial cancers. Oestradiol-17 beta (...

journal_title：Annals of clinical biochemistry

authors： Misao R,Nakanishi Y,Fujimoto J,Tamaya T

更新日期：1998-09-01 00:00:00

abstract：:We examined the reproducibility of oral glucose tolerance tests (OGTT) using the World Health Organization criterion in 212 Chinese subjects (male 149, female 63) who underwent two 75 g OGTTs within a 6-week period. The overall reproducibility was 65.6% (139/212) of which 74 subjects had normal glucose tolerance, 24 h...

journal_title：Annals of clinical biochemistry

authors： Ko GT,Chan JC,Woo J,Lau E,Yeung VT,Chow CC,Cockram CS

更新日期：1998-01-01 00:00:00

abstract：:Background For the early identification of patients at risk of developing diabetic nephropathy, we have developed an ultrasensitive immune complex transfer enzyme immunoassay to measure adiponectin in urine. Methods We developed immune complex transfer enzyme immunoassay for adiponectin and measured urinary adiponecti...

journal_title：Annals of clinical biochemistry

authors： Yamamoto M,Fujimoto Y,Hayashi S,Hashida S

更新日期：2018-09-01 00:00:00

abstract：:The Myolex (Orion) and the RapiTex (Behringwerke) latex agglutination tests for the rapid detection of elevated levels of serum myoglobin were studied prospectively in patients suspected of acute myocardial infarction, who were admitted to hospital within 8 h of pain onset. Using admission blood samples drawn 3.4 +/- ...

journal_title：Annals of clinical biochemistry

authors： Konings CH,Funke Küpper AJ,Verheugt FW

更新日期：1989-05-01 00:00:00

abstract：:Addison's disease is a relatively common disorder to endocrinologists, but is rare and potentially fatal when presenting acutely. Treatment now involves replacement of glucocorticoids and mineralocorticoids with synthetic compounds, although historically patients took common salt and plant-based preparations. We descr...

journal_title：Annals of clinical biochemistry

authors： Cooper H,Bhattacharya B,Verma V,McCulloch AJ,Smellie WS,Heald AH

更新日期：2007-07-01 00:00:00

abstract：:The mechanisms of hypercalcaemia were assessed in 20 hypercalcaemic patients with breast cancer. Abnormalities suggestive of a PTH-related peptide (PTHrP) mechanism were observed in up to 60% of cases; urinary cyclic adenosine monophosphate (UcAMP) was elevated in nine patients (45%), renal tubular reabsorption of cal...

journal_title：Annals of clinical biochemistry

authors： Gallacher SJ,Fraser WD,Patel U,Logue FC,Soukop M,Boyle IT,Ralston SH

更新日期：1990-11-01 00:00:00

abstract：:The immunosuppressive agent mycophenolate mofetil is a prodrug for the active compound mycophenolic acid. Following organ transplantation, it is used mostly in combination with other immunosuppressive drugs, but it has also been used as primary therapy. Although in the pivotal clinical studies the drug was given in fi...

journal_title：Annals of clinical biochemistry

authors： Holt DW

更新日期：2002-05-01 00:00:00

abstract：BACKGROUND:It is recommended that children receiving intravenous fluids should have frequent biochemical monitoring, in some situations 4-6 hourly. Small changes in sodium must be detected, requiring very high precision from sodium analyses. Some children are monitored using venous blood analysed by indirect ion-select...

journal_title：Annals of clinical biochemistry

authors： Loughrey CM,Hanna EV,McDonnell M,Archbold GP

更新日期：2006-11-01 00:00:00

abstract：BACKGROUND:Inflammation is involved in the pathogenesis of preeclampsia. Omentin is a newly discovered adipokine that possesses an anti-inflammatory function. The aim of this study was to determine the association of serum omentin-1 concentration with the presence and severity of preeclampsia. METHODS:Serum concentrat...

journal_title：Annals of clinical biochemistry

authors： Liu H,Wu J,Wang H,Sheng L,Tang N,Li Y,Hao T

更新日期：2015-03-01 00:00:00

abstract：:The spectral interference caused by haemoglobin in the calcium-cresolphthalein complexone reaction was investigated. The results show that the nature of the haemoglobin derivative in the reaction mixture influences the degree of interference; in turn, the derivative formed depends on the order in which the sample and ...

journal_title：Annals of clinical biochemistry

authors： Corns CM

更新日期：1990-03-01 00:00:00

abstract：:Background Accumulating evidence shows an over-abundance of Fusobacterium nucleatum in colorectal tumour tissues. Although stool DNA testing of Fusobacterium nucleatum might be a potential marker for the detection of colorectal tumours, the difficulty in detecting Fusobacterium nucleatum in stool by conventional metho...

journal_title：Annals of clinical biochemistry

authors： Suehiro Y,Sakai K,Nishioka M,Hashimoto S,Takami T,Higaki S,Shindo Y,Hazama S,Oka M,Nagano H,Sakaida I,Yamasaki T

更新日期：2017-01-01 00:00:00

abstract：:The concentrations of serum calcium, parathyroid hormone (PTH), 25 Hydroxyvitamin D (25OHD), and 1,25 Dihydroxyvitamin D (1,25(OH)2D) were determined in 99 Saudi patients with sickle cell disease and in 104 matching healthy controls. Serum calcium and 25OHD were significantly lower in the patients, with 14% and 12% of...

journal_title：Annals of clinical biochemistry

authors： Mohammed S,Addae S,Suleiman S,Adzaku F,Annobil S,Kaddoumi O,Richards J

更新日期：1993-01-01 00:00:00

abstract：BACKGROUND:Abundant evidence indicate the increased levels of oxidative stress in patients with autism. Advanced glycation end products and advanced lipoxidation end products and their precursors play a major role in increased oxidative stress in numerous metabolic and neurologic diseases. Carnosine is a natural dipept...

journal_title：Annals of clinical biochemistry

authors： Ghodsi R,Kheirouri S,Nosrati R

更新日期：2019-01-01 00:00:00

abstract：:The purpose of this study was to assess retrospectively the prevalence of severe hyponatraemia in a hospital population and its laboratory investigation, treatment and clinical outcome. Over a 6-month period 47 patients (27 women and 20 men) were found to have a plasma sodium concentration of < or = 120 mmol/L (this n...

journal_title：Annals of clinical biochemistry

authors： Crook MA,Velauthar U,Moran L,Griffiths W

更新日期：1999-03-01 00:00:00

abstract：:It is increasingly easy for the general public to access a wide range of laboratory tests. Tests can be ordered online with little or no input from a health professional. The complementary and alternative medicine (CAM) community promote and sell a wide range of tests, many of which are of dubious clinical significanc...

journal_title：Annals of clinical biochemistry

authors： Jones SL,Campbell B,Hart T

更新日期：2019-05-01 00:00:00

abstract：:The last 10 years have witnessed radical changes in the definition and diagnosis of the acute coronary syndrome (ACS), including myocardial infarction, as a result of the introduction of sensitive and specific markers of myocardial damage, the cardiac troponins. One barrier to the universal acceptance of these markers...

journal_title：Annals of clinical biochemistry

authors： Lamb EJ,Webb MC,Abbas NA

更新日期：2004-01-01 00:00:00

abstract：:A bloodspot assay for testosterone has been developed using an antiserum raised against testosterone-3-carboxymethyloxime-bovine serum albumin (T-3 CMO-BSA) conjugate and 125I-T-3CMO-histamine tracer. The method has a detection limit of 0.4 nmol/L with between-batch precision of less than 15% for testosterone values b...

journal_title：Annals of clinical biochemistry

authors： Walker J,Hughes IA,Wood PJ

更新日期：1999-07-01 00:00:00

abstract：BACKGROUND:Measurement of plasma-free metanephrine plus normetanephrine (PFM) is the best screening test for phaeochromocytoma. While clearly raised levels are diagnostic, borderline increases may be associated with factors such as stress and medications, and should prompt a repeat study after interfering factors are w...

journal_title：Annals of clinical biochemistry

authors： Anas SS,Vasikaran SD

更新日期：2010-11-01 00:00:00

abstract：BACKGROUND:We evaluated procalcitonin (PCT) assay in the emergency diagnosis of neonatal bacterial infection, especially in preterm infants, relative to C-reactive protein (CRP) and fibrinogen. METHODS:One hundred and twenty neonates (32 preterm), of whom 21 were infected, were tested. RESULTS:Concentrations of PCT, ...

journal_title：Annals of clinical biochemistry

authors： Guibourdenche J,Bedu A,Petzold L,Marchand M,Mariani-Kurdjian P,Hurtaud-Roux MF,Aujard Y,Porquet D

更新日期：2002-03-01 00:00:00

abstract：:An automated method for the determination of N-acetyl-beta-D-glucosaminidase in serum or plasma using p-nitrophenol (pNP) N-acetyl-beta-D-glucosamine as substrate and a Pye Unicam AURA system is described. Normal samples had activities of 853 +/- 146 (SD) nmol pNP liberated/ml/h, with intra-assay coefficient of variat...

journal_title：Annals of clinical biochemistry

authors： Moore JC,Morris JE

更新日期：1982-05-01 00:00:00