Serum deoxycytidylate deaminase activity after myocardial infarction.

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：:Fasting glycosylated haemoglobin was analysed in 535 consecutive patients having an oral 75 g glucose tolerance test for diagnostic purposes. A reference range for fasting glycosylated haemoglobin was established from patients with a non-diabetic glucose tolerance test as defined by the World Health Organisation Exper...

journal_title：Annals of clinical biochemistry

authors： Albutt EC,Nattrass M,Northam BE

更新日期：1985-01-01 00:00:00

abstract：:Gestational diabetes is a common pregnancy disorder which is generally managed with diet, exercise, metformin or insulin treatment and which usually resolves after delivery of the infant. Identifying and treating gestational diabetes improves maternal and fetal outcomes and allows for health promotion to reduce the mo...

journal_title：Annals of clinical biochemistry

authors： Meek CL

更新日期：2017-01-01 00:00:00

abstract：:Background Point-of-care testing has been developed to provide rapid test results. Most published studies focus on analytical performance, neglecting its impact on patient outcomes. Objective To review the analytical performance and accuracy of point-of-care testing specifically planned for immunoassay and to evaluate...

journal_title：Annals of clinical biochemistry

authors： Pecoraro V,Banfi G,Germagnoli L,Trenti T

更新日期：2017-07-01 00:00:00

abstract：:Iron status is influenced by inflammation when the normal control of iron metabolism is reorganized by the primary mediators of the acute phase response, tumour necrosis factor-alpha and interleukin-1. The objective of this review is to show how indices of iron status, particularly haemoglobin, serum ferritin and solu...

journal_title：Annals of clinical biochemistry

authors： Northrop-Clewes CA

更新日期：2008-01-01 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：: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 19-year-old man who developed extensive oesophageal lye (Alkali) stricture and received long-term enteral nutrition (eight months) with a jejunostomy tube developed macrocytic anaemia (Hb: 41 g/L) with leucopenia (white blood cell [WBC]: 3.0 x 10(9)/L). The patient's serum vitamin B12, folate, iron and liver functio...

journal_title：Annals of clinical biochemistry

authors： Jayakumar S,Micallef-Eynaud PD,Lyon TD,Cramb R,Jilaihawi AN,Prakash D

更新日期：2005-05-01 00:00:00

abstract：BACKGROUND:It has been suggested that for the accurate measurement of calcium in urine, samples must be collected into bottles containing acid. Acidification poses risks to both patients and laboratory staff. Here we reappraise whether acidification is a preanalytical necessity. METHODS:Twenty-four-hour urine samples ...

journal_title：Annals of clinical biochemistry

authors： Sodi R,Bailey LB,Glaysher J,Allars L,Roberts NB,Marks EM,Fraser WD

更新日期：2009-11-01 00:00:00

abstract：:Heterophilic antibodies are well described, but poorly appreciated interferents and is often not a recognized problem affecting most immunoassays. We report a patient presented with ectopic Cushing's syndrome (CS), but repeated plasma adrenocorticotropic hormone (ACTH) concentrations conducted by immunoassay were inap...

journal_title：Annals of clinical biochemistry

authors： Saiegh L,Odeh M,Chen-Konak L,Elias N,Sheikh-Ahmad M,Reut M,Slobodin G,Bejar J,Shechner C

更新日期：2014-07-01 00:00:00

abstract：:Total serum cholesterol was measured in 1320 normal Saudi children aged 0-14 years. The result was 3.88 (0.83) mmol/L [mean (SD)] and there was no statistical difference between girls and boys. Results were lowest in the 0-4 year age group and highest in the 5-9 year age group. Percentile values were established for t...

journal_title：Annals of clinical biochemistry

authors： Rafii ZS,al Nasser AA,Budair A,Tufail M

更新日期：1994-07-01 00:00:00

abstract：BACKGROUND:LC-MS/MS is rapidly becoming the technology of choice for measuring steroid hormones. We have developed a rapid LC-MS/MS assay for the routine analysis of serum cortisol. We have used this assay to investigate the effects of gender and exogenous steroid interference on the immunoassay measurement of serum co...

journal_title：Annals of clinical biochemistry

authors： Owen LJ,Adaway JE,Davies S,Neale S,El-Farhan N,Ducroq D,Evans C,Rees DA,MacKenzie F,Keevil BG

更新日期：2013-07-01 00:00:00

abstract：:An evaluation of the Amerlex system for determination of total thyroxine (T4) and total triiodothyronine (T3) is described. The within- and between-batch precisions were acceptable, and analyses of quality control material and linearity studies demonstrated good accuracy at the clinical decision levels. The correlatio...

journal_title：Annals of clinical biochemistry

authors： Wilke TJ,Turnbull PA

更新日期：1982-03-01 00:00:00

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：:A binding assay for sex hormone binding globulin (SHBG) has been developed in which SHBG is saturated with tritiated dihydrotestosterone (DHT). Separation of bound and free DHT is achieved by using Concanavalin A-Sepharose as a solid phase matrix. The method is described and its performance, including linearity, impre...

journal_title：Annals of clinical biochemistry

authors： Whittaker JA,Cawood ML,Oakey RE

更新日期：1992-03-01 00:00:00

abstract：:In a 1 year prospective study we evaluated the effect of feedback of laboratory data on the requesting behaviour of physicians in general medicine. Data on within-hours and out-of-hours clinical chemistry laboratory usage and revenue expenditure for inpatients and outpatients, expressed in terms of clinical workload, ...

journal_title：Annals of clinical biochemistry

authors： Gama R,Nightingale PG,Broughton PM,Peters M,Bradby GV,Berg J,Ratcliffe JG

更新日期：1991-03-01 00:00:00

abstract：:The application of a DC plasma emission spectrometer to the measurement of copper, zinc and magnesium in serum and urine is reported. Each assay requires only a simple dilution in 1% nitric acid. Comparisons with standard atomic absorption techniques showed good analytical agreement, especially for copper and magnesiu...

journal_title：Annals of clinical biochemistry

authors： Roberts NB,Fairclough D,McLoughlin S,Taylor WH

更新日期：1985-09-01 00:00:00

abstract：:Measurement of urinary free cortisol using the Bayer Automated Chemiluminescent System (ACS:180 PLUS) was evaluated and compared with an in-house extraction radioimmunoassay (RIA). Inter-assay coefficients of variation were acceptable, being respectively 5.3%, 4.8% and 3.8% at 141, 406 and 942 nmol/L (n=20) for the AC...

journal_title：Annals of clinical biochemistry

authors： Kennedy DM,Selby C,Lawson N

更新日期：2000-07-01 00:00:00

abstract：BACKGROUND:In humans, leptin circulates in a free form and is also bound to macromolecules. The aim of the present study was to compare a rapid acid-ethanol precipitation (AEP) method of measuring bound leptin with the more laborious gel exclusion chromatography (GEC) reference procedure. Serum samples collected from h...

journal_title：Annals of clinical biochemistry

authors： Jamieson NB,McMillan DC,Brown DJ,Wallace AM

更新日期：2003-03-01 00:00:00

abstract：:We describe a new electrochemical method for the determination of erythrocyte acetylcholinesterase activity (EC 3.1.1.7) and plasma cholinesterase (EC 3.1.1.8) activity, based on the measurements of pH variation due to release of acetic acid from acetylcholine. The major advantages of the differential pH procedure are...

journal_title：Annals of clinical biochemistry

authors： Barenghi L,Ceriotti F,Luzzana M,Ripamonti M,Mosca A,Bonini PA

更新日期：1986-09-01 00:00:00

abstract：:Further data suggesting that assessment of atypicality may be a valuable addition to Down's syndrome screening is presented, based on results from 1521 unaffected pregnancies and 190 chromosomally abnormal pregnancies. For a 1% increase in false positive rates (over the Down's screening-related false positives), it is...

journal_title：Annals of clinical biochemistry

authors： Reynolds TM

更新日期：1997-05-01 00:00:00

abstract：:We evaluated a new immunoselective enzyme assay of bone-specific alkaline phosphatase (ALP). The monoclonal antibody used in this assay was raised against purified bone-specific ALP obtained from SAOS-2 human osteosarcoma cell line. Calibration was based on the enzyme's own activity. The relative activity of the antib...

journal_title：Annals of clinical biochemistry

authors： Hata K,Tokuhiro H,Nakatsuka K,Miki T,Nishizawa Y,Morii H,Miura M

更新日期：1996-03-01 00:00:00

abstract：:Experience in the use of an in-house urinary free catecholamine assay for the investigation of possible neural crest tumours in a District General Hospital laboratory is described. Elevated excretion of catecholamines and vanillylmandelic acid was found in a number of cases including phaeochromocytoma and neuroblastom...

journal_title：Annals of clinical biochemistry

authors： Davidson DF

更新日期：1987-09-01 00:00:00

abstract：:Background After adrenalectomy, urinary fractionated metanephrine concentrations are expected to be reduced. However, there are few studies suggesting cut-offs for adrenalectomy patients. Methods Urinary metanephrine and normetanephrine concentrations in adrenalectomy patients and two controls were compared and hormon...

journal_title：Annals of clinical biochemistry

authors： Cho YY,Kim YN,Kim JH,Jeong BC,Lee SY,Kim JH

更新日期：2017-01-01 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：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：:Mass spectrometry has for many years enabled us to rapidly identify and quantify many different compounds in biological samples. The equipment is currently available in specialist centres investigating metabolic disorders and in toxicology laboratories. Improvements in sample introduction and refinements in the mass s...

journal_title：Annals of clinical biochemistry

authors： Honour JW

更新日期：2003-11-01 00:00:00

abstract：:Antibodies to glutamic acid decarboxylase (GAD) are a useful autoimmune marker for type 1 diabetes mellitus in Caucasians. We examined antibodies to GAD and their relationships with clinical features and pancreatic beta cell function in 140 young Chinese diabetic patients. Over an 18-month period beginning in 1995, 14...

journal_title：Annals of clinical biochemistry

authors： Ko GT,Chan JC,Yeung VT,Chow CC,Li JK,Lau MS,Mackay IR,Rowley MJ,Zimmet P,Cockram CS

更新日期：1998-11-01 00:00:00

abstract：:Sequential measurements of plasma alkaline phosphatase activity were made in 84 pre-term infants delivered before 38 weeks gestation. In 67% of infants, without evidence of rickets but in whom three or more measurements were made and the peak activity was less than 10 times the adult reference range, the activity rose...

journal_title：Annals of clinical biochemistry

authors： Walters EG,Murphy JF,Henry P,Gray OP,Elder GH

更新日期：1986-11-01 00:00:00

abstract：:Serum amyloid A protein (SAA) is a sensitive acute phase reactant. We developed a method for the rapid measurement of human SAA in serum by kinetic nephelometry of anti-SAA antibody-coated latex agglutination. Measurement takes less than 6 min using an automated analyser. Standardization of the assay employs SAA-enric...

journal_title：Annals of clinical biochemistry

authors： Yamada T,Nomata Y,Sugita O,Okada M

更新日期：1993-01-01 00:00:00