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2014

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POCT NEWS


Nova Biomedical Simplifies Critical Care Testing with
Next Generation Blood Gas Analyzer 
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FDA Issues Draft Guidance on Glucose Meters

AACC Education Update

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Glucose vs. Hemoglobin A1c
Usefulness, limitations and complementary markers are explored
By David Plaut and Audrey Farrell; APRIL 2014 • ADVANCE/LABORATORY • WWW.ADVANCEWEB.COM

There is no argument that measurements of hemoglobin A1c (A1c) and glucose (G) each play important roles in the diagnosis and treatment of diabetics. As useful as these two markers are, we must accept the fact that neither is a perfect marker. Understanding the limitations of these markers will aid clinicians in better use of them and assist them when choosing complementary markers when A1c and/or G are not satisfactory or sufficient. A1c Value

The level of A1c in the majority of persons is a valuable measure of the average G level from the past 8 – 12 weeks. Since the degree of hemoglobin glycosylation yielding A1c depends not only on the level of glycemic control but also on the lifespan of red blood cells, patients with hemoglobin disorders or anemia may have erroneously low HbA1c levels. Renal failure may affect the accuracy of the HbA1c values because of several factors, such as anemia, assay interference from uremia, uremia-induced hemoglobin modification, and hemodialysis.

 

However, the most influential variable is shortened blood cell survival. Shima et al.4 recently found a lower value of HbA1c relative to glycemic control in diabetic patients with end-stage renal disease in comparison with diabetic patients without renal dysfunction. A1c results can be unreliable in many other... More > PDF  I  Online

Point-of-Care Testing
Pros, cons and how the lab can benefit
By Jonathon Northover, JD; APRIL 2014 • ADVANCE/LABORATORY • WWW.ADVANCEWEB.COM

The point-of-care testing (POCT) market (perhaps more accurately referred to as the point of testing), is an established growth area. Predictions regarding the growth rate vary but the general consensus is that in the United States, we have already entered a significant growth phase. While it is a relatively new market, we are arguably two-thirds of the way through the typical 30 year period that it takes for a new healthcare technology to become fully established.

A Growing Market Between 2003 and 2009 it is said to have doubled in size. In 2012, one study suggested that it will be worth $16.5 billion worldwide in 2013, about $3.93 billion of which will be in the United States. Of these values, glucose testing is by far the largest component. There are multiple underlying drivers of this growth. For example, the technology (the devices as well as the reagents) is becoming less expensive to create and deploy, and therefore more widely used.

Another driver is the need for increased efficiency. POCT usually decreases turnaround times, with immediate results. Faster results mean faster treatment. No additives are needed, and a sample will often only require a finger stick. In the current healthcare environment where cost pressures to do more with less continue, this is no small advantage. Pros of POCT... More > PDF  I  Online

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Last updated: 04/17/2014 Questions or corrections: editor@pointofcare.net. Đ 2014  BACK TO TOP