Meaning of VEGF # in Bartonella

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Regular Member

Date Joined Jan 2011
Total Posts : 28
   Posted 5/13/2011 1:32 PM (GMT -6)   
I just got my second round of tests back from my LLMD. My VEGF is now 30, when I was first tested (before ABX therapy and symptoms were intense it was 338.

Does this decrease mean anything in regards to my infection? Is it a way to measure improvement?

Veteran Member

Date Joined Mar 2009
Total Posts : 4717
   Posted 5/15/2011 5:54 PM (GMT -6)   
Hi TrailWalker,
Here is a great explanation of that test!
There is one test that may be useful in screening patients suspected of being infected with Bartonella. This test may also be particularly useful in the follow-up of patients with Bartonella/ BLO. This blood test is called “vascular endothelial growth factor” (VEGF). This test measures a substance that is produced by the Bartonella microbe in order to facilitate its entry into the body tissues it likes to inhabit. Elevated levels of VEGF often (but not exclusively) mean that a patient is infected with Bartonella. By monitoring VEGF levels during the course of treatment, physicians can monitor the progress of treatment (antibiotics). When VEGF levels return to normal, it generally means that the antibiotics have been successful and can be discontinued. The VEGF test is available from standard commercial laboratories.

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Regular Member

Date Joined Aug 2010
Total Posts : 96
   Posted 5/18/2011 6:48 AM (GMT -6)   
Hi Trailwalker

Do you remember what the reference range was for the VEGF test?

I had this test done in November prior to official diagnosis and abx, my results was 540, however I am told that the normal reference range is between 190-480, so although my result was elevated, it would seem that your result of 338 would be within the normal range according to the reference I have been given. I know all labs are different, but this seems like a massive difference to me.

which lab did you use? Im confused!
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