bluesky63 wrote: This an incredibly rare complication. Even if you had known all the details about this in advance, how would you ever have thought it would happen to you when it almost never happens to anyone having a stent procedure?
bluesky63 wrote:Marc, I guess I was thinking "rare" because I tried to research this complication and the statistics showed it to be rare for cardiac patients -- but it's certainly true that the vessels are different, and this particular procedure is a whole different world.
And in stressing "rare" my other thought was to keep Radeck from being too hard on himself in believing he could have anticipated this one. But my language was too extreme. Really, my goal was mainly to offer sympathy to one person, Radeck -- not to misrepresent the risk to all people considering the procedure. Balance, balance. Clearly I need to go back for my medical degree before I make any more posts here.
marcstck wrote:bluesky63 wrote: This an incredibly rare complication. Even if you had known all the details about this in advance, how would you ever have thought it would happen to you when it almost never happens to anyone having a stent procedure?
I'll probably catch all kinds of crap for saying this, but it's impossible to say that this is a "an incredibly rare complication", since so far the surgery has only been done on about 60 people, and one of them has had a stent come loose and travel to his heart. Not much is known about placing stents in veins in general, and even less about placing them in jugular veins. All we can say with certainty is that, given the current data, there is a 1 in 60 chance of this kind of complication.
The NIH has been sternly and adamantly warning me against doing the surgery since I first mentioned it to them. They practically made me promise that I wouldn't fly off to Stanford to get the procedure. Among the reasons they cited are brainstem infarcts, blood clots, and the uncertainty of how stents would react in the CNS venous system.
When placed in arteries, which get narrower in the direction of blood flow, a loose stent only gets pushed deeper into the narrowing artery, which keeps it from traveling further and causing damage to other parts of the body. Veins, on the other hand, grow wider in the direction of blood flow, so if a stent becomes loose, there is nothing to keep it from reaching the heart.
This is a serious problem that needs to be addressed. In no way should it be minimized, or thought of as an extremely rare event. We simply do not know enough to make such an assertion. Balloon angioplasty, though not without its share of complications, is a relatively benign procedure. Placing stents in a patient's veins carries with it many unknowns, one of which has now been exposed because of radeck's extremely unfortunate experience.
This is experimental surgery. It's important to go into it with eyes wide open.
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