Not being able to walk long distances, exercise intolerance, and feeling like hell after exertion are very common tethered cord symptoms. (In addition to all of the neurological symptoms and signs.) However, the latter can be subtle, especially if you are…avoiding walking.
People with tethered cord will fail VO2 max tests due to reduced blood flow to the spinal cord and the hypoxia (low oxygen) that results.
Every #MECFS specialist needs to rule this out and/or refer to the appropriate experts, but vast majority do not know how. 99/100 of cases, your neurologists cannot help you, even though clinical signs and symptoms are fairly obvious, once you know what to look for.
When I emailed the top CPET people they were polite but of the mind that “it was highly unlikely many patients were dealing with this.” Meanwhile, I had multiple CPETs—including one where I had to be taken home via ambulance—ordered by MDs who know nothing about tethered cord.
How can you know how common something is among #MECFS patients if you have no idea how to recognize it when you see it?
I have been very polite about all this stuff for the past three years, in part because I really like our physicians and researchers as humans, and hoped that with time, exposure, and curiosity, they would do the right thing. A small handful have. I can count them on one hand.
Just don’t assume that ANYONE is actively working to sort this particular mess out. If you are a patient that has one of these pathologies, your voice is needed. Talk to your physicians about your experiences. Reach out to the researchers and organizations you support.
Advocate and educate your fellow patients. As it stands now, there is a very good chance if I got sick 20 years FROM NOW, I would a) still be needlessly debilitated for 7 years and b) may not have EVER been diagnosed, my surgeon long retired. That is the trajectory we are on.
Also: most researchers don’t start with the premise of “let me observe these patients and formulate hypotheses.” It’s all about “this is my thing, it’s what interests me, maybe it applies here.”
Saying, “Here’s a pathology, some of us have it, look at all the people GETTING BETTER“ is not compelling if it’s not their thing. The # of people who are saying, “I don’t care what the thing is, I just want to solve the thing” is…again, one hand.

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More from @jenbrea

27 Aug
This is a very important point. I still come across people who think these pathologies affect a small handful of people. It’s perhaps at least 20% of the #MECFS community, probably higher if intracranial hypertension due to all causes is included.
In our groups (admittedly, self-selecting) I have rarely seen a normal MRI. Even people w/o frank pathology typically all have either congenital or acquired abnormalities (degeneration) that is far more advanced than should be at X age.
For example, it is UNUSUAL to see normal cervical lordosis in our group.
Read 4 tweets
25 Aug
I was raked over the coals by fellow #MECFS-ers for talking about EDS, MCAS, CCI, the brainstem, tissue hypoxia, etc., topics that are now being widely discussed by physicians and researchers, including at this latest IACFS/ME conference.
Still not sure if the problem was the message or the messenger. I always do what I think is right and I am usually guided by dozens upon dozens or journal articles and the stories of thousands of people, which I then synthesize and translate. It’s never just me.
I get that people want physicians and scientists they trust to take the lead. But they do not live in our bodies. What is lost in the gap may well be the cause, the disease, and the cure. This is why I’m done with “patient voice” seat at the table BS. We need to lead.
Read 4 tweets
24 Aug
PEM (post-exertional malaise) may be “exertion-triggered tissue hypoxia.” Yes, I have been saying this! This is rad. Can’t wait to check out the paper… #MECFS #longCOVID
If true, this is probably why Chiari, CCI/AAI, tethered cord, cerebral vascular stenosis, MALS, and Nutcracker Syndrome, et al. can cause PEM in a subset of #MECFS patients: they can all cause tissue hypoxia, producing similar symptoms to other causes of tissue hypoxia.
(*and #longCOVID)
Read 12 tweets
17 Aug
Unbelievable. A tiny cadre of powerful psychiatrists with their legacies on the line are stepping in to try to overturn scientific consensus and the advocacy of tens of thousands of ME patients. UK healthcare is just as broken as US healthcare, just in a different way.
My husband teaches their research in his undergraduate statistics class at Princeton as a case of how not to do science (or statistics). Psychology colleagues of his talk about their work as examples of that field’s replication crisis (alongside US scandals in other sub fields).
They’re either unethical, incapable, self-deluded, poorly trained, or some combination. No one takes their work seriously on this side of the ocean. And yet the grip they have is unbelievable. Apparently in UK medicine, social networks are more important than science or patients.
Read 7 tweets
1 Jul
This a really great overview of the metabolic effects of hypoxia, which could explain many of the symptoms of #MECFS. Hypoxia can result from many different neurological and vascular conditions, including essentially all of the neurological & vascular syndromes common in #EDS.
For example, any condition that causes ”neural strain“ (such as tethered cord syndrome and CCI) can cause hypoxia due reduced perfusion (blood flow) to the affect area. When it’s your entire spinal cord + brainstem that’s…a pretty big deal! #MEspine
A range of vascular conditions can also cause reduced perfusion. e.g., Median Arcuate Ligament Syndrome (MALS) and Nutcracker Syndrome, also associated with EDS, can cause hypoperfusion of the gut/internal organs. (These can also cause #POTS and exercise intolerance.)
Read 5 tweets
27 Jun
You know, it’s taken me awhile to come to this realization, but dropping out of graduate school, losing your career, not having your intended children, and being bedridden for seven years because your neurologists fucked up is…kind of a big fucking deal.
It strikes me as an outcome that should maybe be…counted in aggregate statistics, and that people should be held accountable. Instead, it is 100% invisible to the medical system, the cost borne entirely by myself, my family, and our society. And there are MILLIONS of us.
I was reflecting on my Twitter feed and why I rail on about this. It occurred to me it’s because this (right now) is the only space where this reality can exist. If you counted us and there was accountability for medical fuck-ups/neglect/gaslighting/abuse etc., I’d have no need.
Read 12 tweets

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