Direct assay for progesterone in saliva: comparison with a direct serum assay.

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：BACKGROUND:The pneumatic tube system (PTS) has been implicated in inducing haemolysis. It is not known whether certain sample types are more susceptible to haemolysis than others. We assessed the level of haemolysis in commonly used sample types in the clinical biochemistry department when transported through the PTS. ...

journal_title：Annals of clinical biochemistry

authors： Sodi R,Darn SM,Stott A

更新日期：2004-05-01 00:00:00

abstract：:The presence of antibodies in some patients' serum has long been known to be a potential source of interference in immunoassays, as shown by numerous case reports. These often appear after the introduction of a new analyte (e.g. troponin) and then decrease in number as the topic becomes exhausted. This highlights the ...

journal_title：Annals of clinical biochemistry

authors： Ismail AA,Walker PL,Cawood ML,Barth JH

更新日期：2002-07-01 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：: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：:A p-iodophenol-enhanced luminescent end-point has been incorporated into a commercially available heterogeneous competitive enzyme immunoassay for digoxin based on a horseradish peroxidase-digoxin conjugate. The luminescent end-point could be completed in less than 1 min and significantly reduced overall assay time. R...

journal_title：Annals of clinical biochemistry

authors： Coyle PM,Thorpe GH,Kricka LJ,Whitehead TP

更新日期：1986-01-01 00:00:00

abstract：BACKGROUND:Neutrophilic polymorphonuclear leukocytes play a crucial role in the host defence against bacterial and fungal infections. They participate in the inflammatory response through the liberation of peptides and enzymes like myeloperoxidase (MPO). Therefore, MPO has a potential as a marker enzyme for the diagnos...

journal_title：Annals of clinical biochemistry

authors： Hasmann A,Wehrschuetz-Sigl E,Marold A,Wiesbauer H,Schoeftner R,Gewessler U,Kandelbauer A,Schiffer D,Schneider KP,Binder B,Schintler M,Guebitz GM

更新日期：2013-05-01 00:00:00

abstract：:Insulin resistance is a common condition, recognized to be a central feature of the metabolic syndrome, and strongly associated with an increased risk of cardiovascular disease and diabetes. The quantitative assessment of insulin sensitivity is not used for routine clinical purposes, but the emerging importance of ins...

journal_title：Annals of clinical biochemistry

authors： Borai A,Livingstone C,Ferns GA

更新日期：2007-07-01 00:00:00

abstract：:The Poser criteria for diagnosing multiple sclerosis (MS) includes clinical, paraclinical and laboratory information. We studied the influence of cerebrospinal fluid (CSF) biochemistry results on the categorisation of patients with suspected MS. A retrospective study was made of 138 patients who had CSF samples sent o...

journal_title：Annals of clinical biochemistry

authors： Ratnaike S,Kilpatrick T,Tress B,Davis S,Kilpatrick C,Byron K,Deam D

更新日期：1990-05-01 00:00:00

abstract：:The System 1 produced results for glucose and urea which were precise and accurate. It proved suitable as a general laboratory instrument as it samples 28 mul of specimen, is able to calibrate itself, produces results in three minutes, and has the capacity to analyse 56 samples an hour. ...

journal_title：Annals of clinical biochemistry

authors： Potezny N,Quelch J,Fuller B,Geary TD

更新日期：1977-09-01 00:00:00

abstract：BACKGROUND:Recent NICE Guidelines have emphasized the need to have in place by 2007 the capability of offering screening to all women in the first trimester using a combination of maternal age with the ultrasound marker nuchal translucency thickness (NT) and the maternal serum biochemical markers free beta-hCG and preg...

journal_title：Annals of clinical biochemistry

authors： Spencer K

更新日期：2005-01-01 00:00:00

abstract：:We have evaluated the clinical relevance of monitoring acute phase proteins in severe urinary tract infection. Body temperature, white blood cell count, erythrocyte sedimentation rate, serum amyloid A protein (SAA), C-reactive protein (CRP), alpha-1-antichymotrypsin (ACT) and alpha-1-acid glycoprotein (AGP) were deter...

journal_title：Annals of clinical biochemistry

authors： Casl MT,Sabljar-Matovinović M,Kovacević S,Pocanić D,Preden-Kereković V,Jagarinec N

更新日期：1993-05-01 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：:Measurement of genetically altered DNA shed from tumours into the circulation can potentially provide a new generation of blood-based cancer biomarkers. Compared with tissue DNA biomarkers which require surgery or biopsy, samples for circulating tumour DNA assays can be obtained with minimal inconvenience and at lower...

journal_title：Annals of clinical biochemistry

authors： Duffy MJ

更新日期：2019-01-01 00:00:00

abstract：BACKGROUND:About 10 years ago, a survey showed significant deficiencies in the quality of gastrointestinal investigations performed by UK laboratories. Subsequently, several clinical guidelines have been developed and external quality assessment schemes introduced. This survey was performed to assess whether earlier de...

journal_title：Annals of clinical biochemistry

authors： Duncan A,Hill PG

更新日期：2007-03-01 00:00:00

abstract：:A 41-year-old lady presented with classical symptoms of a phaeochromocytoma and markedly elevated urinary adrenaline concentration. Urinary fractionated metanephrine and normetanephrine concentrations were within the normal reference range. Computed tomography of the abdomen/pelvis and I(123) meta-iodobenzylguanidine ...

journal_title：Annals of clinical biochemistry

authors： King TF,Shea PO,Sullivan EP,Srinivasan R,Griffin A,Fitzgerald R,Tormey W,Smith D

更新日期：2008-03-01 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：: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：:A simple procedure is described for the preparation of a stable precision quality control material for use in the measurement of level of ionised calcium in serum at or near the reference range. Repeat analyses on a Nova 2 ionised calcium analyser of serum pools stored at different temperatures over a period of three ...

journal_title：Annals of clinical biochemistry

authors： Fyffe JA,Jenkins AS,Bolland CJ,Dryburgh FJ,Gardner MD

更新日期：1981-03-01 00:00:00

abstract：BACKGROUND:Current guidelines document persistent rectal bleeding as an alarm symptom in patients presenting to primary care. We studied whether a faecal immunochemical test could assist in their assessment. METHODS:From December 2015, faecal immunochemical tests were routinely available to primary care when assessing...

journal_title：Annals of clinical biochemistry

authors： Digby J,Strachan JA,McCann R,Steele RJ,Fraser CG,Mowat C

更新日期：2020-07-01 00:00:00

abstract：:Quadriceps muscle specimens from autopsy of 28 neonates (gestational age 25-42 weeks) were investigated to determine pyruvate and malate oxidation rates and several enzymes of the mitochondrial oxidative process. In general, the levels of all mitochondrial parameters measured, including carnitine levels, were lower in...

journal_title：Annals of clinical biochemistry

authors： Sperl W,Sengers RC,Trijbels JM,Ruitenbeek W,Doesburg WH,Smeitink JA,Kollée LA,Boon JM

更新日期：1992-11-01 00:00:00

abstract：:Circulating insulin-like growth factor-1 (IGF-1) is increasingly being used as a screening test and in ongoing monitoring of treated acromegaly. We here present three cases of women (two of whom were on the oestrogen containing contraceptive pill at the time of presentation) who had normal circulating IGF-1 and no ove...

journal_title：Annals of clinical biochemistry

authors： Kalavalapalli S,Reid H,Kane J,Buckler H,Trainer P,Heald AH

更新日期：2007-01-01 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 The clinical utility of serum thyroglobulin in the follow-up of patients with differentiated thyroid carcinoma may be compromised by the presence of endogenous antithyroglobulin antibodies. To prevent interference by antithyroglobulin antibodies several groups have developed real-time PCR-based assays for q...

journal_title：Annals of clinical biochemistry

authors： Feddersen S,Bastholt L,Pedersen SM

更新日期：2017-09-01 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：: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:Chronic kidney disease (CKD) is an important but under-recognized condition. Recent national guidelines have recommended that biochemistry laboratories report estimated GFR (eGFR) to improve diagnosis of CKD and facilitate disease staging and management. Previous reports have suggested that intake of large a...

journal_title：Annals of clinical biochemistry

authors： Preiss DJ,Godber IM,Lamb EJ,Dalton RN,Gunn IR

更新日期：2007-01-01 00:00:00

abstract：BACKGROUND:To investigate the reasons why general practitioners (GPs) request rheumatoid factor (RF) assays, we studied 200 consecutive requests for RF from general practice in 1995. METHOD:By means of an audit questionnaire, we studied 100 negative, 50 positive and 50 borderline RF results and compared these with the...

journal_title：Annals of clinical biochemistry

authors： Sinclair D,Hull RG

更新日期：2003-03-01 00:00:00

abstract：BACKGROUND:Unnecessary blood tests are estimated to contribute to 25% of wastage in the National Health Service. The aim of this study was to assess the financial implication of clinical need-focused blood tests guided by a senior clinician in a district general hospital. METHODS:We conducted an observational longitud...

journal_title：Annals of clinical biochemistry

authors： Mughal Z,Narayanan A,Gupta V,Reay-Jones N

更新日期：2016-09-01 00:00:00

abstract：BACKGROUND:The worldwide epidemic of obesity is a major public health concern and is persuasively linked to the rising prevalence of diabetes and cardiovascular disease. Obesity is often associated with an abnormal lipoprotein profile, which may be partly negated by pioglitazone intervention, as this can influence the ...

journal_title：Annals of clinical biochemistry

authors： McEneny J,McPherson PA,McGinty A,Hull SS,McCance DR,Young IS

更新日期：2013-01-01 00:00:00