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List of works by Patrick J Twomey

A fresh look at analytical performance specifications from biological variation

scientific article published on 26 March 2013

ABC dont ever forget glucose

scientific article

Accuracy of cardiovascular risk estimation

scientific article published in April 2003

Accuracy of cardiovascular risk estimation for primary prevention in patients without diabetes.

scientific article published in August 2002

Adjusting copper concentrations for caeruloplasmin levels in routine clinical practice

scientific article

An exploratory analysis of associations of diet, sun exposure, and body composition with 25OHD at five years of age: Findings from the ROLO Kids Study

scientific article published on 31 December 2018

Analysis of cerebrospinal fluid for suspected subarachnoid haemorrhage is improved by built-in spectrophotometer software.

scientific article published on June 2006

Analytical performance specifications for external quality assessment - definitions and descriptions

scientific article published on 23 May 2017

Analytical quality goals for 25-vitamin D based on biological variation

scientific article published in January 2011

Analytical quality goals for parathyroid hormone based on biological variation

scientific article

Anorexia Nervosa with Markedly High Bone Turnover and Hyperphosphatemia During Refeeding Rectified by Denosumab

scientific article published on 23 January 2020

Appropriateness of the National Academy of Clinical Biochemistry recommendation of repeating HbA1c analysis for extreme results in clinical practice

scientific article published on 28 January 2009

Average serum triglyceride concentration in relation to day of the week in Burton-on-Trent.

scientific article published in July 2009

Best practice in primary care pathology: review 10.

scientific article

Biological variation in HbA1c predicts risk of retinopathy and nephropathy in type 1 diabetes

scientific article published on 01 October 2004

Both α-1-antitrypsin Z phenotypes and low caeruloplasmin levels are over-represented in alcohol and nonalcoholic fatty liver disease cirrhotic patients undergoing liver transplant in Ireland

scientific article published on 10 January 2018

Can we manage demand for allergy testing by restricting requests to a small number of prime target allergens?

scientific article published in September 2007

Cardiovascular risk assessment

scientific article published on 01 April 2005

Care is needed when using serum sodium levels to predict survival for patients with advanced liver disease.

scientific article published on December 2007

Chemical pathology and the new contract for GPs.

scientific article published on October 2004

Comparison of estimated glomerular filtration rate with routine creatinine clearance using a kinetic alkaline picrate assay from Olympus Diagnostica.

scientific article

Comparison of reflective and reflex testing for hypomagnesaemia in severe hypokalaemia

scientific article published on 01 September 2009

Concordance evaluation of coronary risk scores: implications for cardiovascular risk screening

scientific article published in June 2004

Congenital hypophosphataemia in adults: determinants of bone turnover markers and amelioration of renal phosphate wasting following total parathyroidectomy

scientific article published on 20 September 2018

Copper:caeruloplasmin ratio

scientific article published on April 2007

Could accreditation bodies facilitate the implementation of medical guidelines in laboratories?

scientific article published on 7 November 2016

Daily and intermittent rosuvastatin 5 mg therapy in statin intolerant patients: an observational study

scientific article published on 07 February 2012

Differences between serum and plasma for intact parathyroid hormone measurement in patients with chronic renal failure in routine clinical practice

scientific article published on September 2005

Different DCCT-aligned HbA1c methods and the GMS contract

scientific article published on 01 February 2008

Effect of a different caeruloplasmin assay method on the relationship between serum copper and caeruloplasmin

scientific article published on 01 October 2008

Effect of a manually generated laboratory comment on requesting and performance of valproate assays.

scientific article

Epidemiological studies are meaningless without proof of long-term data stability

scientific article published on 01 February 2008

Errors in the assessment of estimated glomerular filtration rate

scientific article published in January 2006

Estimated GFR.

scientific article published in May 2005

Estimated glomerular filtration rate needs UK consensus

scientific article published in April 2006

External Quality Assessment of 24,25-dihydroxyvitamin D3 (24,25(OH)2D3) assays

scientific article published on 23 November 2018

External quality assessment: best practice

scientific article published on 12 March 2014

Five Year Follow-Up of a Low GI Dietary Randomised Controlled Trial in Pregnancy - No Long-Term Maternal Effects of a Dietary Intervention

article

HDL-cholesterol and triglycerides: an overlooked issue?

scientific article

How Useful are Laboratory Practice Guidelines?

scientific article published on 24 August 2015

How to use difference plots in quantitative method comparison studies.

scientific article

How to use linear regression and correlation in quantitative method comparison studies.

scientific article published on April 2008

Hydroxyvitamin D assays: An historical perspective from DEQAS.

scientific article

Implications of different DCCT-aligned HbA1c methods on GMS clinical indicators

scientific article published on 01 January 2008

Implications of method specific creatinine adjustments on General Medical Services chronic kidney disease classification

scientific article

Imprecision of cerebrospinal fluid net bilirubin absorbance

scientific article published on 01 July 2004

Increased CD40 ligand and platelet-monocyte aggregates in patients with type 1 diabetes mellitus.

scientific article published in October 2004

Independent specimens are important

scientific article published on July 2007

Introduction of automatically generated comment in clinical biochemistry: an audit of technical effectiveness.

scientific article published in January 2008

Investigation of outpatients referred to a chemical pathologist with potential pseudohyperkalaemia

scientific article published on 01 October 2009

Issues with vitamin D in routine clinical practice

scientific article published on 25 July 2008

Laboratory Trend in Vitamin D Status in Ireland: Dual Concerns about Low and High 25OHD

scientific article published on 05 October 2018

Limitations of non-ceruloplasmin-bound copper in routine clinical practice.

scientific article published on January 2007

Limitations of transferability of absolute cut-points in non-standardised assays

scientific article published on May 2007

Maternal Blood Lipid Profile during Pregnancy and Associations with Child Adiposity: Findings from the ROLO Study

scientific article

Maternal and fetal blood lipid concentrations during pregnancy differ by maternal body mass index: findings from the ROLO study.

scientific article published on 16 October 2017

Mitigation and detection of spurious potassium and sodium results.

scientific article published on 25 August 2010

Monitoring laboratory data across manufacturers and laboratories--A prerequisite to make "Big Data" work

scientific article

New antiepileptic drugs

scientific article published on 01 November 1999

Non-ceruloplasmin-bound copper in routine clinical practice in different laboratories

scientific article published on 19 February 2008

Opinion: redefining the role of the physician in laboratory medicine in the context of emerging technologies, personalised medicine and patient autonomy ('4P medicine').

scientific article published on 22 December 2017

Optimal age for starting lipid lowering treatment. A 10 year risk of 30% should be used

scientific article published on September 2000

Percentage non-caeruloplasmin bound copper

scientific article published on 19 April 2007

Prevalence of kidney disease and estimated GFR in routine practice

scientific article published in January 2006

Raised serum copper results does not mean excess body copper

scientific article published on 01 January 2007

Reflective testing

scientific article published on March 2004

Relationship between serum copper, ceruloplasmin, and non-ceruloplasmin-bound copper in routine clinical practice

scientific article published on 01 August 2005

Relationship of the absolute difference between direct and indirect ion selective electrode measurement of serum sodium and the total protein concentration

scientific article published in May 2008

Requesting patterns for serum calcium concentration in patients on long-term lithium therapy.

scientific article published in January 2009

Roche serum folate assay restandardization: an estimate of the new reference interval

scientific article published on 08 August 2018

Screening for cardiovascular disease

scientific article published in June 2004

Should Free Thyroxine Go Back into the Routine Thyroid Profile?

scientific article published on 24 November 2015

Significant hypertriglyceridaemia and HDL cholesterol assays

scientific article published on 08 March 2016

Skin tags and the atherogenic lipid profile

scientific article published on 01 August 2002

Targeted versus global approaches to the management of hypercholesterolaemia

scientific article published in September 2008

The Joint British Societies' algorithm for the diagnosis of diabetes mellitus in routine clinical practice

scientific article published in May 2008

The MDRD formula and validation.

scientific article

The anion gap revisited

scientific article published on 01 October 2009

The casino of life

scientific article published on March 2004

The copper/caeruloplasmin ratio in routine clinical practice in different laboratories

scientific article published in January 2009

The number of unexpected HbA variants may be a greater problem in routine practice than is generally realized

scientific article published in September 2004

The relationship between gonadotrophic hormones and progesterone in the mid-luteal phase

scientific article published in November 2009

The relationship between serum copper and ceruloplasmin in routine clinical practice

scientific article published on 21 November 2007

True or not: uncertainty of laboratory results.

scientific article published on November 2006

Unreliability of triglyceride measurement to predict turbidity induced interference

scientific article published in November 2003

Upregulation of the CD40/CD40 ligand dyad and platelet-monocyte aggregation in cigarette smokers

scientific article published on 12 April 2004

Use of coronary calcification scores to predict coronary heart disease

scientific article published on 01 April 2004

Using the single-compartment ratio model to calculate half-life, NT-proBNP as an example

scientific article published on 23 February 2007

Validating the association between plasma tumour necrosis factor receptor 1 levels and the presence of renal injury and functional decline in patients with Type 2 diabetes

scientific article published on 18 September 2017

Very low plasma copper levels do not automatically imply severe copper deficiency

scientific article published on 01 September 2005

Why are clinical practice guidelines not followed?

scientific article

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