Diagnostic injection mystery

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JaySand
New Member


Date Joined Apr 2017
Total Posts : 2
   Posted 4/16/2017 8:35 AM (GMT -7)   
Hi, new to forum. Instead of starting with a novel about my inability to get a diagnosis for almost a year, I have a very specific mystery from my latest round of diagnostic injections. I'm looking for ideas.

I was injected about 10 locations in my lower right back (under fluoroscopic guidance); diagnostic injections only (no steroid). As I'm sure many know, these injections are horribly painful and stressful. There wasn't significant reduction in pain from any of them. Afterwards, on the drive home, at home, I was pretty much at my baseline pain level, with aggravating positions producing the same level of pain.

Then, about 4 hours later, about the time the numbing medicine should be wearing off, my chronic ab/back pain areas start ramping up. In the middle of the night, it woke me up, and it was comparable to the worst pain I have ever experienced with this condition - it was radiating, but it felt centered exactly in my chronic areas (back/ab) - which are very localized locations. Yes, I also had superficial pain from the injection sites, but the pain I'm talking about was deep, and shot through to my abdomen (in the same chronic pain localized area). For comparison, in the last year I've been through several diagnostic-only shots (hip, SIJ, etc), and only had mild internal post-injection discomfort from these shots.

The pain was significant all the way until I woke up Sunday morning, and now I'm pretty much back to baseline.

I have my own theories on what could have happened, but I wanted to see what others thought before biasing your response. I'm hopeful there is a clue in this pain that helps us finally figure this out.

straydog
Forum Moderator


Date Joined Feb 2003
Total Posts : 15335
   Posted 4/16/2017 7:03 PM (GMT -7)   
Hi JaySand & welcome to the forum. Sorry to read what you have been dealing with for the past year. It makes it very difficult when the drs cannot come up with a dx.

My experience with diagnostic blocks were done to see if I was a candidate for nerve ablation on my neck & back. I am a little confused about the type of blocks you are describing. What type of dr is treating you & doing these blocks? Also, what type of testing has been done?

Take care.
Susie
Moderator in Chronic Pain & Psoriasis Forums

Alcie
Veteran Member


Date Joined Oct 2009
Total Posts : 4931
   Posted 4/17/2017 5:52 AM (GMT -7)   
My diagnostic spinal injections DID have steroid. If they worked for even a few days that was the indication that ablation would work.

Without steroid you wouldn't expect to have any reduction in pain beyond the time that the local anesthetic lasted. You would only get immediate relief in the area of where the nerve goes, and it would quit in minutes to hours depending on which anesthetic was injected.

JaySand
New Member


Date Joined Apr 2017
Total Posts : 2
   Posted 4/17/2017 5:58 AM (GMT -7)   
I think I need to clarify. As mentioned, the anesthetic-only (lidocaine) injections didn't seem to work on any of the injected targets, so we assumed we didn't find the source of my pain. BUT, when the numbing medicine wore off, 4 hours later, I was suddenly in a lot of pain (about my max for the condition we are trying to figure out), and in the exact chronic pain areas (very localized) we are trying to diagnose.

(Seashell)
Veteran Member


Date Joined Dec 2012
Total Posts : 682
   Posted 4/18/2017 5:09 AM (GMT -7)   
I will preface my reply by noting that I have not undergone diagnostic lumbar injections, neither with steroid as an epidural nor with lidocaine as a stand alone agent (as you, the original posterr, are commenting on).

The question asked: Why a significant uptick in pain 4 hours post lidocaine injection?

You comment in your initial post that diagnostic injections are immensely painful in and of hemselves. If this is the case, then it stands to reason that the lidocaine provided soecific pain coverage of the injection sites immediately post procedure through the 4 hour mark post procedure. The lidocaine provided relief of the injection pain, leaving you with your baseline pain intact immediately post procedure and in the first hours following. The high spike in pain at 4 hours post procedure was the injection site pain giving you full notice when the lidocaine lost effectiveness. The sharp uptick in pain at 4 hours is the injection site specific pain where the lidocaine has lost effectiveness.

That's my take on your experience.
- K -
Pituitary failure, wide-spread endocrine dysfunction
Addison's disease
Mixed connective tissue disorder
Extensive intestinal perforation with sepsis, permanent ileostomy
Avascular necrosis of both hips and jaw
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Post Edited ((Seashell)) : 4/18/2017 6:14:03 AM (GMT-6)

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