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List of works by Carel Pretorius

A critical evaluation of the Beckman Coulter Access hsTnI: Analytical performance, reference interval and concordance

scientific article published on 08 March 2018

A fit-for-purpose approach to analytical sensitivity applied to a cardiac troponin assay: time to escape the 'highly-sensitive' trap.

scientific article published in April 2014

A novel mutation of the primary protein kinase C phosphorylation site in the calcium-sensing receptor causes autosomal dominant hypocalcemia

scientific article

Ambiguous cardiac troponin recommendations

scientific article published on 24 December 2011

Assays for cardiac troponins

scientific article published on 01 October 2013

BMI but not stage or etiology of nonalcoholic liver disease affects the diagnostic utility of carbohydrate-deficient transferrin

scientific article published on 22 July 2013

Biological and diurnal variation in glucocorticoid sensitivity detected with a sensitive in vitro dexamethasone suppression of cytokine production assay.

scientific article published on 12 May 2010

Calcitriol-mediated hypercalcemia: causes and course in 101 patients

scientific article published on 26 August 2013

Cardiac Troponin I carryover by very high patient samples still causes false-positive results on the Beckman Coulter AccuTnI + 3

scientific article published on 07 September 2015

Case Report: Subcutaneous Ivermectin Pharmacokinetics in Disseminated Infection: Plasma and Postmortem Analysis

scientific article published on 13 September 2018

Combined light chain immunofixation to detect monoclonal gammopathy: a comparison to standard electrophoresis in serum and urine

scientific article published on 01 July 2014

Comparison of Freelite™ and N Latex serum free light chain assays in subjects with end stage kidney disease on haemodialysis.

scientific article published on 18 December 2015

Comparison of high sensitivity troponin T and I assays in the diagnosis of non-ST elevation acute myocardial infarction in emergency patients with chest pain

scientific article published on 5 December 2013

Concordance, variance, and outliers in 4 contemporary cardiac troponin assays: implications for harmonization.

scientific article published on 28 November 2011

Diagnostic sensitivity of carbohydrate deficient transferrin in heavy drinkers

scientific article

Discordance with 3 Cardiac Troponin I and T Assays: Implications for the 99th Percentile Cutoff.

scientific article published on 22 June 2016

Dismissal of the utility of free cortisol measurement is premature

scientific article published on 06 March 2012

ELF score ≥9.8 indicates advanced hepatic fibrosis and is influenced by age, steatosis and histological activity

scientific article published on 20 January 2015

Effect of recalibration of the hs-TnT assay on diagnostic performance.

scientific article published in February 2014

Epidemic impacts of a community empowerment intervention for HIV prevention among female sex workers in generalized and concentrated epidemics

scientific article

Estimating the impact of reducing violence against female sex workers on HIV epidemics in Kenya and Ukraine: a policy modeling exercise.

scientific article published on February 2013

Evaluating Rapid Rule-out of Acute Myocardial Infarction by Use of a High-Sensitivity Cardiac Troponin I Assay at Presentation.

scientific article

Evaluation of the N Latex FLC free light chain assay on the Siemens BN analyser: precision, agreement, linearity and variation between reagent lots.

scientific article

Evaluation of the N Latex free light chain assay in the diagnosis and monitoring of AL amyloidosis.

scientific article published in December 2013

Extreme hyperferritinaemia: further considerations

scientific article published on 28 February 2012

Falsely elevated troponin I results due to outliers indicate a lack of analytical robustness.

scientific article published on 20 April 2010

Free cortisol method comparison: ultrafiltation, equilibrium dialysis, tracer dilution, tandem mass spectrometry and calculated free cortisol.

scientific article published on 18 February 2011

Glucocorticoid Sensitivity Is Highly Variable in Critically Ill Patients With Septic Shock and Is Associated With Disease Severity

scientific article published on 9 March 2016

Gonadotrophin-independent precocious puberty in an eight-year-old boy due to ectopic human chorionic gonadotrophin from the central nervous system.

scientific article published on 16 April 2010

High-sensitivity cardiac troponin: do think twice, it's not all right

scientific article published on 13 April 2017

Hook effect in Abbott i-STAT β-human chorionic gonadotropin (β-hCG) point of care assay

scientific article published on 14 May 2014

How comparable are total human chorionic gonadotropin (hCGt) tumour markers assays?

scientific article published on 01 February 2020

Improved Diagnostic Performance of High-Sensitivity Cardiac Troponin Assays Is an Artifact of Censored Data

scientific article

Improved sensitivity of point of care troponin I values using reporting to below 99th percentile of normals. Schneider HG et al.

scientific article published on 16 July 2013

Insidious plumbum

scientific article published on 15 April 2019

Investigation of cholesterol bias due to a matrix effect of external quality assurance samples: how true is your cholesterol method?

scientific article published on 27 September 2012

Letter in reply to the letter to the editor of Ferraro S and Panteghini M with the title "More robust analytical evidence should support the selection for human chorionic gonadotropin assays for oncology application"

scientific article published on 01 February 2020

Measurement of cortisol, cortisone, prednisolone, dexamethasone and 11-deoxycortisol with ultra high performance liquid chromatography-tandem mass spectrometry: Application for plasma, plasma ultrafiltrate, urine and saliva in a routine laboratory.

scientific article published on 9 September 2010

Method comparison - a practical approach based on error identification

scientific article published on 01 November 2017

Mind the gap: Shortcomings of the osmotic gap and a possible solution.

scientific article published on January 2017

Neonatal complete generalized glucocorticoid resistance and growth hormone deficiency caused by a novel homozygous mutation in Helix 12 of the ligand binding domain of the glucocorticoid receptor gene (NR3C1).

scientific article published on 20 November 2009

Outliers as a cause of false cardiac troponin results: investigating the robustness of 4 contemporary assays

scientific article published on 3 March 2011

PTHrP-mediated hypercalcemia: causes and survival in 138 patients.

scientific article published on 26 February 2015

Performance of risk stratification for acute coronary syndrome with two-hour sensitive troponin assay results

scientific article published on 19 November 2013

Probing indiscretions: contamination of cardiac troponin reagent by very high patient samples causes false-positive results

scientific article published on 27 June 2012

Pyroglutamate (5-oxoproline) measured with hydrophilic interaction chromatography (HILIC) tandem mass spectrometry in acutely ill patients.

scientific article published on 12 January 2017

Rapid amino acid quantitation with pre-column derivatization; ultra-performance reverse phase liquid chromatography and single quadrupole mass spectrometry

scientific article published on 20 December 2017

Reference ranges and biological variation of free and total serum indoxyl- and p-cresyl sulphate measured with a rapid UPLC fluorescence detection method ⬇️

scientific article published on February 18, 2013

Response to Basu et al.

scientific article

Screening immunofixation should replace protein electrophoresis as the initial investigation of monoclonal gammopathy: Point.

scientific article published in June 2016

Screening panels for detection of monoclonal gammopathies: confidence intervals

scientific article published on 28 January 2010

Serial cardiac troponin differences measured on four contemporary analyzers: relative differences, actual differences and reference change values compared

scientific article published on 10 July 2012

Serial changes in plasma total cortisol, plasma free cortisol, and tissue cortisol activity in patients with septic shock: an observational study

scientific article published in January 2012

Sex Hormone Binding Globulin Modifies Testosterone Action and Metabolism in Prostate Cancer Cells

scientific article

The Enhanced liver fibrosis score is associated with clinical outcomes and disease progression in patients with chronic liver disease.

scientific article published on 22 June 2015

Therapeutic plasma exchange normalizes insulin-mediated response in a child with type 1 diabetes and insulin autoimmune syndrome.

scientific article published on 29 March 2017

Towards a consistent definition of a significant delta troponin with z-scores: a way out of chaos?

scientific article published on 17 December 2013

Two siblings with episodic ketoacidosis and decreased activity of succinyl-CoA:3-ketoacid CoA-transferase in cultured fibroblasts

scientific article published on 01 January 1996

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