Search Results - "BARTH, J. H"

Use of eGFR instead of creatinine in exclusion criteria for derivation of calcium adjustment equation by Jassam, N, Turnock, D, Barth, J H

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The impact of the analytical performance specifications of calcium and albumin on adjusted calcium by Jassam, N, Thomas, A, Hayden, K, Dearman, R, Barth, J H

“…The generation of accurate, comparable results from traceable measurement procedures is a primary goal in harmonization efforts. In this study, the analytical…”
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Prospective study comparing the outcome of a population-specific adjusted calcium equation to ionized calcium by Jassam, N, Hayden, K, Dearman, R, Allgar, V, Barth, J H

“…Calcium circulates bound to albumin and changes in albumin concentration will therefore affect total calcium measurements. In order to mitigate this,…”
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Randomised controlled trial of primary school based intervention to reduce risk factors for obesity by Sahota, Pinki, Rudolf, Mary C J, Dixey, Rachael, Hill, Andrew J, Barth, Julian H, Cade, Janet

“…Abstract Objective: To assess if a school based intervention was effective in reducing risk factors for obesity. Design: Group randomised controlled trial…”
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Anti‐Müllerian hormone reflects the severity of polycystic ovary syndrome by Jacob, S.L., Field, H.P., Calder, N., Picton, H.M., Balen, A.H., Barth, J.H.

“…Summary Objective To examine the relationship between anti‐Müllerian hormone (AMH) and the severity of the phenotype of patients with polycystic ovary syndrome…”
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Albumin and calcium reference interval using healthy individuals and a data-mining approach by Jassam, N, Luvai, A, Narayanan, D, Turnock, D, Lee, G, Earp, K, West, J, Day, A, Jeffery, J, Zouwail, S, El-Farhan, N, Dearman, R, Hayden, K, Willett, S, Osborne, J, Barth, J H

“…Harmonization of reference intervals for analytes that have a sound calibration and metrological traceability is a widely recommended practice. The UK…”
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The effect of different analytical platforms and methods on the performance of population-specific adjusted calcium equation by Jassam, N, Narayanan, D, Turnock, D, Lee, G, Earp, K, West, J, Day, A, Jeffery, J, Zouwail, S, El-Farhan, N, Dearman, R, Hayden, K, Osborne, J, Willett, S, Barth, J H

“…A recent attempt to improve the diagnostic value of adjusted calcium addressed a primary care-specific adjusted calcium equation, but validated the new…”
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Acute intermittent porphyria: fatal complications of treatment by Stein, PE, Badminton, MN, Barth, JH, Rees, DC, Sarkany, R, Stewart, MF, Cox, TM

“…Acute neurovisceral attacks of porphyria can be life threatening. They are rare and notoriously difficult to diagnose clinically, but should be considered,…”
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Interference in immunoassay is an underestimated problem by Ismail, A A A, Walker, P L, Cawood, M L, Barth, J H

“…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…”
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Evaluation of implementation and effect of primary school based intervention to reduce risk factors for obesity by Sahota, Pinki, Rudolf, Mary C J, Dixey, Rachael, Hill, Andrew J, Barth, Julian H, Cade, Janet

“…Abstract Objectives: To implement a school based health promotion programme aimed at reducing risk factors for obesity and to evaluate the implementation…”
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The effect of serum matrix and gender on cortisol measurement by commonly used immunoassays by Dodd, A J, Ducroq, D H, Neale, S M, Wise, M P, Mitchem, K L, Armston, A, Barth, J H, El-Farhan, N, Rees, D A, Evans, C

“…Considerable intermethod bias has been observed between cortisol immunoassays, with some also displaying a gender difference. Cortisol immunoassay performance…”
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Consumptive hypothyroidism: a case report and review of the literature by Jassam, N, Visser, T J, Brisco, T, Bathia, D, McClean, P, Barth, J H

“…Hepatic haemangioendothelioma is a rare vascular tumour in infants and may be associated with a unique form of thyroid function abnormalities. Hepatic…”
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The British Cardiac Society Working Group definition of myocardial infarction: implications for practice by Das, R, Kilcullen, N, Morrell, C, Robinson, M B, Barth, J H, Hall, A S

“…Objective: To assess the impact on observed mortality of the British Cardiac Society (BCS) definition of myocardial infarction (MI) in 11 UK hospitals. Design:…”
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Endocrinology of gynaecomastia by Ismail, A A, Barth, J H

“…Gynaecomastia is the most common disorder of the male breast. It can occur at any age, and for this reason laboratory investigations may be requested by…”
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A survey of laboratory 'critical (alert) limits' in the UK by Tillman, J, Barth, J H

“…Critical or alert limits are the values of laboratory measurements that are regarded as requiring urgent clinical action and should be communicated to a…”
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Standardization of HbA1c measurements − a consensus statement by Marshall, S. M., Barth, J. H.

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Evidence for the low dose dexamethasone suppression test to screen for Cushing's syndrome--recommendations for a protocol for biochemistry laboratories by Wood, P J, Barth, J H, Freedman, D B, Perry, L, Sheridan, B

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A short course of metformin does not reduce OHSS in a GnRH antagonist cycle for women with PCOS undergoing IVF: a randomised placebo-controlled trial by Jacob, S L, Brewer, C, Tang, T, Picton, H M, Barth, J H, Balen, A H

“…Does 'metformin' reduce the incidence of ovarian hyperstimulation syndrome (OHSS) for women with polycystic ovary syndrome (PCOS) undergoing a GnRH antagonist…”
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Growth hormone assay standardization: a biased view? by Wieringa, G. E., Barth, J. H., Trainer, P. J.

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Increasing prevalence of obesity in primary school children: cohort study by Rudolf, Mary C J, Sahota, Pinki, Barth, Julian H, Walker, Jenny

“…Height was measured to 0.1 cm with a free standing Magnimeter stadiometer (Raven, Dunmow). Weights were recorded to 0.1 kg without shoes or jumpers…”
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