Clinical Chemistry Podcast RSS
Summary: This free monthly podcast is part of Clinical Chemistry. Clinical Chemistry is the leading forum for peer-reviewed, original research on innovative practices in today's clinical laboratory. In addition to being the most cited journal in the field (26,500 citations in 2014), Clinical Chemistry has the highest Impact Factor (7.9 in 2014) among journals of clinical chemistry, clinical (or anatomic) pathology, analytical chemistry, and the subspecialties, such as transfusion medicine, clinical microbiology.
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- Artist: American Association for Clinical Chemistry
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This is the January 2016 issue of Clinical Chemistry, Volume 62, Issue 1.
The Kidney Disease Improving Global Outcomes (KDIGO) guideline recommends use of a cystatin C–based estimated glomerular filtration rate (eGFR) to confirm creatinine-based eGFR between 45 and 59 mL · min−1 · (1.73 m2)−1. Prior studies have demonstrated that comorbidities such as solid-organ transplant strongly influence the relationship between measured GFR, creatinine, and cystatin C. Our objective was to evaluate the performance of cystatin C–based eGFR equations compared with creatinine-based eGFR and measured GFR across different clinical presentations.
Informatics is changing the processes behind laboratory medicine. With ever-growing demands on laboratory medicine professionals not only to collect and interpret omics data in the era of the Precision Medicine Initiative, but also to ensure high-quality, low-cost patient management in the structure of accountable care organizations, we have invited several experts to discuss their take on "big data."
Combined testing of high-sensitivity cardiac troponin T (hs-cTnT) and copeptin at presentation provides a very high—although still imperfect—negative predictive value (NPV) for the early rule-out of acute myocardial infarction (AMI). We hypothesized that a second copeptin measurement at 1 h might further increase the NPV.
This is the December 2015 issue of Clinical Chemistry, Volume 61, Issue 12.
We investigated whether obese pregnant women negative for gestational diabetes (GDM) still experience dysglycemia, as indicated by high glycated hemoglobin (Hb A1c) at delivery, and whether this impacts offspring and long-term maternal outcomes.
STARD 2015: An updated list of essential items for reporting diagnostic accuracy studies
This is the November 2015 issue of Clinical Chemistry, Volume 61, Issue 10.
Increased concentrations of non-fasting remnant cholesterol are thought to be atherogenic in thesame way as LDL cholesterol,by transport into andaccumulationof lipid into the arterial wall.
For patients with acute coronary syndrome who have undergone interventions such as placement of a stent, it has become standard practice to treat them with a combination of aspirin and opidogrel to prevent subsequent thrombotic events; however, clopidogrel is a drug that requires activation by a liver enzyme, CYP2C19.
Most of us are familiar with the link between elevated concentrations of lipids in our blood and an increased risk for cardiovascular disease which is responsible for about 500,000 deaths each year in the United States. It has been common practice to measure those lipids only after a period of fasting. This practice was put in place because of the known increases in triglycerides that can occur after eating; however, fasting lipid profiles have not actually been shown to be superior to nonfasting lipid profiles in assessing the risk for cardiovascular disease.
This is the October 2015 issue of Clinical Chemistry, Volume 61, Issue 10.
Commutability is an important concept in determining traceability and relationship among different methods used to measure the same analyte, but how to delineate commutable materials is not straightforward and a number of techniques have been proposed.
This is the September 2015 issue of Clinical Chemistry, Volume 61, Issue 9.
Several studies have suggested that prevention of atherosclerosis should begin in childhood as dyslipidemia in children is associated with severity of atherosclerotic lesions later in life. Pediatric lipid screening aims to identify children and adolescents with dyslipidemia, including both those with more severe genetic cases and those cases with mild to moderate lipid elevation due to secondary causes.