I had complex long term childhood trauma (beginning on the day I was born for 21years, and and encompassing all types of abuse) with an ensuing exaggerated startle response. The Chicago Block SGB injection worked wonderfully for me.
I have never had any diagnosed social anxiety, and my sudden bouts of anxiety only surrounded a potential or actual trigger event (or being startled). I sense that ongoing childhood traumatic events can cause the same part of the brain to overproduce adrenaline, and I bet this is not uncommon among the chronically abused, either.
If I spent most of my childhood on "high alert" to future abuse, I did not need to understand why this was happening to me for it to be PTSD. Along with the accompanying obvious neglect, there was acute physical abuse, which was often unexpected and illogical, and I am sure these events started the early adrenaline over-production.....the problem was that the adrenaline kept running for 40 years after....and decades after a safe life was established with no abuses.
I bet as a child my insular cortex was overly diligent about keeping me in "fight or flight" to potentially save me from more abuse. During the course of 25 years of therapies post-abuse, I did do all the work to finally uderstand things as a child I could not have, and that certainly helped a great deal. But, at the end of the day, only the injection was able to quiet the startle-response and relegate activating trauma thoughts to the long-term, calmer memory center where they belonged. My simple definition of PTSD as I now understand it is indeed a brain malfunction (injury?) which is an over-stimulated survival response to a life-threat,..... and a survival response that got permanently "stuck" on high in the brain. For me, the injection turned off the switch and reset me to pre-trauma, no matter how complex or multiplied.
I can still retrieve (although with greater difficulty post SGB) my childhood memories and trauma sensations, but I do not have the accompanying instant elevated heart rate and somewhat "blinding" anxiety that would obscure my other sensory activities, typically making it very hard to focus on anything but the triggering circumstance. My point is, I do not think that complex childhood trauma should be ruled out for an ideal candidate for the SGB - since clearly I has success.
If a person's anxiety is coming from another type of event or action, or really anything that would be affecting a different part of the brain than the insular cortex, then no, I would not expect this treatment to work. Most of us know ourselves pretty well, and I think if you have PTSD you would know the patterns after long enough. For me, it was simple as I had no other anxiety issues and the triggers all seemed to boil down to a common virtual circumstances. I was never made anxious by attending or being in social situations, but trigger events were stronger if I was with others, due to the added issue of potentially being "seen" reacting to a seemingly benign circumstance (to others). Startle response was very high. I suppose that if anyone really wanted to check first, an MEG scan of the brain would show you the PTSD so you would know the injection would have a better chance.
http://www.workplacebullying.org/2010/02/11/meg/
iKop - are you sure that your injection was done in the modified technique that Lipov uses? A "regular" SGB will not affect the part of the brain necessary to stop PTSD anxiety. I am curious to know that it was a "Chicago Block" you requested and received.
Trixie 48.....any news? I am crossing my fingers for you!