Analysis of hCG: clinical applications and assay requirements.

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：:The ischaemic lactate-ammonia test is widely used for investigating patients with muscle pain and fatigue. It involves measuring plasma lactate and ammonia produced as a result of forearm exercise under ischaemic conditions in a fasted subject. Its clinical use is to screen patients with muscle complaints for disorder...

journal_title：Annals of clinical biochemistry

authors： Livingstone C,Chinnery PF,Turnbull DM

更新日期：2001-07-01 00:00:00

abstract：BACKGROUND:The haptoglobin (Hp) 2-2 phenotype has been known to have less antioxidative activity than Hp 1-1 and Hp 2-1. However, few have reported the relationship between oxidative stress and Hp phenotypes by using oxidized LDL. The relationship between Hp phenotypes and oxidative stress was therefore investigated in...

journal_title：Annals of clinical biochemistry

authors： Lee YW,Min WK,Chun S,Lee W,Park H,Lee YK,Lee DH,Son JE

更新日期：2004-11-01 00:00:00

abstract：:Digoxin requesting patterns were studied prospectively over a 6-month period. Clinicians were not forewarned that the study was being undertaken. Many samples received in the laboratory were taken at incorrect times after the drug had been given. This led to inappropriate action being taken in some cases. Appropriate ...

journal_title：Annals of clinical biochemistry

authors： O'Donnell JG,Paterson NC,Pledger DR,Stewart MJ

更新日期：1987-07-01 00:00:00

abstract：BACKGROUND:Refeeding syndrome (RS) is a potentially fatal condition that can occur following the re-introduction of nutrition after a period of starvation. Hypophosphataemia following the reintroduction of nutrition is often the only reliable biochemical marker of RS. Refeeding index (RI) generated from baseline insuli...

journal_title：Annals of clinical biochemistry

authors： Goyale A,Ashley SL,Taylor DR,Elnenaei MO,Alaghband-Zadeh J,Sherwood RA,le Roux CW,Vincent RP

更新日期：2015-01-01 00:00:00

abstract：BACKGROUND:As lifespan in HIV infection increases, cardiovascular disease has emerged as a cause of morbidity and mortality. Asymmetric dimethylarginine is an established marker of endothelial dysfunction and predicts cardiovascular events. The role of asymmetric dimethylarginine in HIV-related cardiovascular disease h...

journal_title：Annals of clinical biochemistry

authors： Hudson CL,Zemlin AE,Ipp H

更新日期：2014-09-01 00:00:00

abstract：BACKGROUND:Neuroendocrine tumours are slow growing tumours known to secrete a variety of vasoactive peptides which give rise to symptoms of the carcinoid syndrome. The diagnosis and monitoring of patients with neuroendocrine tumours is undertaken in many centres using 24 h urinary measurement of 5-hydroxyindoleacetic a...

journal_title：Annals of clinical biochemistry

authors： Adaway JE,Dobson R,Walsh J,Cuthbertson DJ,Monaghan PJ,Trainer PJ,Valle JW,Keevil BG

更新日期：2016-09-01 00:00:00

abstract：:A case is presented of a 41-year-old man with a history of recurrent renal stones over 10 years. Analysis of the stone showed that, although it gave a positive reaction with the non-specific phosphotungstic acid test, uricase failed to identify any urate present. Analysis in a reference laboratory confirmed its compos...

journal_title：Annals of clinical biochemistry

authors： Wilkinson H,Samuell C,Stower M

更新日期：2004-03-01 00:00:00

abstract：:Rabbit uterus contains type I and II oestrogen binding sites in the cytosol, and nuclear fractions. Oestrogen-stimulated increase in uterine weight was inhibited by concurrent treatment with progesterone or danazol. Oestrogen-induced type I binding sites were decreased by progesterone and to a lesser extent by danazol...

journal_title：Annals of clinical biochemistry

authors： Tamaya T,Wada K,Mori H,Imai A

更新日期：1991-05-01 00:00:00

abstract：:The aim of this study was to assess the performance of a commercially available procedure for detecting anti-Sjögren's syndrome A (anti-SSA) and anti-Sjögren's syndrome B (anti-SSB) antibodies by immunoblotting (IB) and compare it with double immunodiffusion (DID). We also studied the clinical significance of these pr...

journal_title：Annals of clinical biochemistry

authors： Yago M,Belmonte MA,Olmos MJ,Beltran J,Teruel C,Segarra M

更新日期：1999-05-01 00:00:00

abstract：:We evaluated a novel assay for the measurement of 1,25 dihydroxyvitamin D (1,25 (OH)2D). Immunoextraction of 1,25(OH)2D is performed using a mini column containing a solid-phase monoclonal antibody followed by radioimmunoassay (RIA) using an 125I-labelled 1,25(OH)2D derivative tracer and Sac-cell separation. The mean ...

journal_title：Annals of clinical biochemistry

authors： Fraser WD,Durham BH,Berry JL,Mawer EB

更新日期：1997-11-01 00:00:00

abstract：:We present two cases of spuriously high cerebrospinal fluid glucose concentration with approximately normal blood glucose concentrations. The cause of these abnormal findings was the use of inappropriate collection tubes during the pre-analytical phase. Whilst no patient harm was identified following this error, signi...

journal_title：Annals of clinical biochemistry

authors： Broz P,Rajdl D,Racek J,Petr T,Vitek L

更新日期：2015-01-01 00:00:00

abstract：:Background Detection of alcohol consumption in clients undergoing treatment for alcohol dependence can be difficult. The ethanol metabolites ethyl glucuronide and ethyl sulphate are detectable for longer in urine than either breath ethanol or urine ethanol. Our aim was to develop a liquid chromatography-tandem mass sp...

journal_title：Annals of clinical biochemistry

authors： Armer JM,Allcock RL

更新日期：2017-01-01 00:00:00

abstract：:The extent of lipoprotein glycation was assessed in 82 patients diagnosed as diabetes mellitus type II. Glycated lipoprotein levels in serum were determined by agarose gel film electrophoresis in 48 non-diabetic control subjects, 56 diabetics with complications and 26 diabetics with no complications. All glycated lipo...

journal_title：Annals of clinical biochemistry

authors： Yeğin A,Ozben T

更新日期：1995-09-01 00:00:00

abstract：BACKGROUND:Measurement of serum natriuretic peptides is recommended in patients with suspected heart failure. Assays for N-terminal pro-B-type natriuretic peptide (NT-proBNP) are available on several platforms and can be measured in serum or heparinized plasma. Siemens Healthcare Diagnostics do not recommend the use of...

journal_title：Annals of clinical biochemistry

authors： Peake RW,Turner HE,Leaper W,Deans KA,Hannah A,Croal BL

更新日期：2012-09-01 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：:It is our aim to summarise and discuss procedures for the evaluation of the concentration of free ionised calcium in serum or plasma. Stress is laid upon the interrelations and relative validity of the most common algebraic expressions to appraise the calcium status. The multitude of formulae proposed in the literatur...

journal_title：Annals of clinical biochemistry

authors： Vanstapel FJ,Lissens WD

更新日期：1984-09-01 00:00:00

abstract：:Requirements for information technology in pathology now extend well beyond the provision of purely analytical data. With the aim of achieving seamless integration of laboratory data into the total clinical pathway, "informatics"--the art and science of turning data into useful information--is becoming increasingly im...

journal_title：Annals of clinical biochemistry

authors： Jones R,O'Connor J

更新日期：2004-05-01 00:00:00

abstract：:The Bhattacharya method and the 'average of normals' method for internal quality control were compared. Both are based on unselected patient test results. The Bhattacharya method is mostly used in clinical chemistry for calculation of reference intervals but could be modified for quality control procedures. Using the ...

journal_title：Annals of clinical biochemistry

authors： Oosterhuis WP,Modderman TA,Dinkelaar RB,Zwinderman AH,van der Helm HJ

更新日期：1991-07-01 00:00:00

abstract：:Background Analysis of dried blood specimens has been an integral part of laboratory medicine dating back to the early 1960s when they were introduced as part of neonatal screening programs. More recently, they have been used in Down syndrome screening programmes. Dried blood spot specimens can be collected either by ...

journal_title：Annals of clinical biochemistry

authors： Krantz DA,Carmichael JB

更新日期：2013-11-01 00:00:00

abstract：BACKGROUND:Patients with Crigler-Najjar syndrome, type I (CNS-I) have an inherited absence of hepatocellular bilirubin uridine diphosphate-glucuronosyltransferase activity, which results in severe unconjugated hyperbilirubinaemia, often causing kernicterus and death in infancy or childhood. METHODS:Our patient is a 19...

journal_title：Annals of clinical biochemistry

authors： Ihara H,Shino Y,Hashizume N,Shimizu N,Aoki T,Yoshida M

更新日期：2003-09-01 00:00:00

abstract：:Serum retinol-binding protein (RBP), with a biological half-life of less than 12 h, is a useful indicator of liver or kidney dysfunction. An automated immunoturbidimetric assay for the measurement of RBP has been developed using the Cobas-BIO centrifugal analyser and commercially available materials. Serum samples wit...

journal_title：Annals of clinical biochemistry

authors： Bankson DD,Rifai N,Silverman LM

更新日期：1988-05-01 00:00:00

abstract：:591 patients with a history of coronary heart disease had one or more biochemical markers of tobacco smoking measured. 26% were self reported smokers and a further 4% were apparent 'smoking deceivers'. The urinary nicotine metabolite concentration is an excellent marker for tobacco smoking; breath CO would be a suitab...

journal_title：Annals of clinical biochemistry

authors： Archbold GP,Cupples ME,McKnight A,Linton T

更新日期：1995-03-01 00:00:00

abstract：BACKGROUND:We evaluated the diagnostic discrimination of a new micro-flow cell device (Nanoduct) which measures sweat conductivity in situ at a regional referral centre for cystic fibrosis (CF). METHODS:The device was evaluated in comparison to the measurement of sweat chloride with the established quantitative piloca...

journal_title：Annals of clinical biochemistry

authors： Losty HC,Wheatley H,Doull I

更新日期：2006-09-01 00:00:00

abstract：:Salivary theophylline concentrations in neonates were measured by a homogeneous enzyme immunoassay and compared with serum concentrations. Free serum theophylline concentrations were also compared with salivary concentrations and the values obtained were almost identical. Results using the immunoassay agreed well with...

journal_title：Annals of clinical biochemistry

authors： Thompson SJ

更新日期：1994-05-01 00:00:00

abstract：:A method for the determination of metanephrine (MN; also known as metadrenaline), normetanephrine (NMN; also known as normetadrenaline) and 3-methoxytyramine (3-MT) in human urine using high-performance liquid chromatography followed by electrochemical detection (ECD) was validated primarily by comparing the results w...

journal_title：Annals of clinical biochemistry

authors： Willemsen JJ,Ross HA,Wolthers BG,Sweep CG,Kema IP

更新日期：2001-11-01 00:00:00

abstract：:The development and evaluation in routine clinical practice of a simple, rapid, high-throughput, immunoradiometric assay (IRMA) for alpha-foetoprotein (AFP) in serum and amniotic fluid is described. The assay uses readily available reagents; a radioiodinated mouse monoclonal antibody produced by the authors and the im...

journal_title：Annals of clinical biochemistry

authors： Stevenson JD,Chapman RS,Perry B,Logue FC

更新日期：1987-07-01 00:00:00

abstract：BACKGROUND:It is not possible to diagnose acute kidney injury (AKI) in early stages with traditional biomarkers. Kidney injury molecule-1 (KIM-1) is a novel biomarker promising the diagnosis of AKI in early stages. We studied whether urinary and serum KIM-1 (KIM-1 U and KIM-1 S ) concentrations were useful in predictin...

journal_title：Annals of clinical biochemistry

authors： Tekce BK,Uyeturk U,Tekce H,Uyeturk U,Aktas G,Akkaya A

更新日期：2015-01-01 00:00:00

abstract：:A radioimmoassay for digoxin is described which uses commercially available reagents. Two assay procedures are used, one for batch assays, and another, which needs a 5 minute incubation only, for 'stat' assays. The methods are shown to be simple, rapid, precise and inexpensive and the batch procedure compared well wit...

journal_title：Annals of clinical biochemistry

authors： Moore RA,Turner M,Cousins J,Gales M

更新日期：1985-03-01 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