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<blockquote data-quote="DCUKMod" data-source="post: 1768125" data-attributes="member: 345386"><p>Alf if you have a bit of a chat with Dr Google, I'm sure he will display plenty of graphs illustrating the lifespans of the blood cells. Like all other things, it varies from person to person for probably as many resaons as there are people.</p><p></p><p>However, when studies have been done into HbA1cs and their frequency, versus lifespan of blood cells, the studies show that whils we are told the H1A1c shows us our three month average, the number returned is not a straight line, but is significantly impacted by the most recent weeks, prior to test. This is one reason some folks, when they have a follow up HbA1c, say a month after diagnosis, notice quite a shift in the numbers, but that percentage shift doesn't reflect in their subsequent 3 month test.</p><p></p><p>Some enlightened Docs are now retesting newly diagnoses folks more frequently than 3 months, with a GP I know routinely testing at 6 weeks post-diagnosis.</p><p></p><p>Of course some would say that makes the HbA1c easy to fudge, to a degree, but that's just how it is.</p><p></p><p>I'm rather tied up in other things at the moment to look up the various studies, but they are out there, and indeed there has been a fair amount of discussion on tis very topic on the forum, over time. </p><p></p><p>[USER=317494]@phdiabetic[/USER] - Obviously we all must deceide which tests and which methods of management we will apply to our diabetes, butone comment I will say is that for me, they A1cNow tests have always been very accurate, versus venous blood tests.</p><p></p><p>On the other hand both my test meter and the Libre suggest my HbA1cs should be returning at between 19 and 21, whereas my venous tests for the last three years have been 30-33, time in, time out.</p><p></p><p>At the end of the day, we need to gather the data around us and learn from it.</p></blockquote><p></p>
[QUOTE="DCUKMod, post: 1768125, member: 345386"] Alf if you have a bit of a chat with Dr Google, I'm sure he will display plenty of graphs illustrating the lifespans of the blood cells. Like all other things, it varies from person to person for probably as many resaons as there are people. However, when studies have been done into HbA1cs and their frequency, versus lifespan of blood cells, the studies show that whils we are told the H1A1c shows us our three month average, the number returned is not a straight line, but is significantly impacted by the most recent weeks, prior to test. This is one reason some folks, when they have a follow up HbA1c, say a month after diagnosis, notice quite a shift in the numbers, but that percentage shift doesn't reflect in their subsequent 3 month test. Some enlightened Docs are now retesting newly diagnoses folks more frequently than 3 months, with a GP I know routinely testing at 6 weeks post-diagnosis. Of course some would say that makes the HbA1c easy to fudge, to a degree, but that's just how it is. I'm rather tied up in other things at the moment to look up the various studies, but they are out there, and indeed there has been a fair amount of discussion on tis very topic on the forum, over time. [USER=317494]@phdiabetic[/USER] - Obviously we all must deceide which tests and which methods of management we will apply to our diabetes, butone comment I will say is that for me, they A1cNow tests have always been very accurate, versus venous blood tests. On the other hand both my test meter and the Libre suggest my HbA1cs should be returning at between 19 and 21, whereas my venous tests for the last three years have been 30-33, time in, time out. At the end of the day, we need to gather the data around us and learn from it. [/QUOTE]
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