Reply to NIH Long Covid study

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[quote=Anonymous][quote=Anonymous]This is an important study and jumping off point for long-haul Covid issues. If you've taken a research methods class, you know that one can only fail to support or support a hypothesis. This study did not test whether anxiety or mental health concerns were the cause of long-haul Covid symptoms, so we can't draw any scientifically supported conclusions about the syndrome being all "in your head." This study did not evlauate the "realness" of post-Covid symptoms, only some possible causal factors.

Some medical professionals believe that mast cell activation syndrome (MCAS) and/or postural orthostatic tachycardia syndrome (POTS), a dysautonomia, may be the cause of long-haul Covid symptoms. As far as I can tell from a keyword search of the article, none of the diagnostic blood or urine markers for MCAS were tested in this study. Nor were study participants subjected to a tilt table test, the diagnostic standard for POTS. As well, the possible causes of dysautonomia, like an imbalance the renin-angiostensin-aldosterone system were not tested in this study. It is a great start, and I it is good that we have this research, but it still leaves more questions than answers when it comes to post-Covid symptoms. [/quote]

The cause of most POTS is idiosyncratic and there is a general view that many of those cases may be a post-viral syndrome.  Another condition, gastroparesis, has origins that are often unexplained (though it is common in both diabetics and lupus patients) and a post-viral cause has been postulated.

Both of these conditions are measurable through objective tests.  But of course if they are not tested for (when symptoms suggest them as possibility), you won't find them.[/quote]

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