The following resource describes two types of CIPO, muscle-related dysmotility and nerve-related dysmotility. Would ischemic-related CIPO fall under either or both of these categories?
Sorry, the post of mine didn't come across too clearly and chronic mesenteric ischemia (CMI) for me is a different condition (to CIPO), but where there are extended ischemic episodes in CMI, it can cause similar symptoms to CIPO (and can have similar imaging findings sometimes).
CIPO can be due to either myopathy, neuropathy, or it can involve both. CMI and CIPO may well be linked for all anyone really knows but my GI (who diagnosed CMI) wouldn't consider doing full thickness biopsies to see if I also had CIPO as my small bowel transit time was deemed normal in a barium swallow test.
You mention testing negative for SIBO both before and after FMT. Was your gastrointestinal doctor's presumption of SIBO based on an evaluation of symptoms?
My GI thought a new onset of worsening symptoms (nausea, vomiting, diarrhea, abdominal pain) might be SIBO related and suggested just doing antibiotics anyway after expressing the opinion that the SIBO breath test results are not particularly reliable.
There can also be a large overlap of symptoms between CMI and SIBO though so I gathered my symptoms were more likely ischemic related when antibiotics had little impact on things, and actually made the diarrhea worse. It was only FMT that helped with reducing the number of daily diarrhea episodes, and helped with reducing the severity of all the other GI symptoms somewhat too.
Do you have an idea how the FMT might have resolved/alleviated an ischemic-related dysmotility?
No, I'm at a loss to explain that, I don't think I've even seen a good explanation for it helping in CIPO either. All I know for sure is that it's been close to 3 years now since I've needed to seek emergency treatment for totally disabling epigastric pain. A vasodilator med was helping a lot with the GI symptoms prior to doing FMT, but it wasn't stopping the acute ischemic pain events from happening, and I had been taking the vasodilator for the best part of 3 years before doing FMT though.
I still have significant issues of GI dysmotility that hasn't been helped with FMT, but it's easier to cope with it all in not getting the acute pain events. I strongly suspect that it all has a physical cause though (renal Nutcracker Syndrome) so FMT wasn't likely to help anymore than it has done.
I can't prove that there's a link between Nutcracker Syndrome, upper GI symptoms and intestinal ischemia as according to the available medical literature, Nutcracker Syndrome only causes upper GI problems when you also have SMA Syndrome, but I don't have the latter. I do know of many anecdotal accounts of others having significant upper GI symptoms along with Nutcracker Syndrome alone, and their GI symptoms resolved or significantly improved in fixing Nutcracker Syndrome, so it's very disheartening that I can't get any doctor interested in doing something about adressing Nutcracker Syndrome for me.
