clocknut said...
Yeah, but John T, my grandmother was under general anesthetic. And she experienced these things in spite of that.
Under general anesthesia, oxygen-deprived or not, there shouldn't be any imaginings going on, whether oxygen-deprived or not. As most of us have experienced, under general anesthesia, there's nothing happening in the way of imaginings or thoughts.
I could buy the oxygen-deprivation, brain defense mechanism argument in many circumstances, but it doesn't make any sense when a person is under general anesthesia.
During the 36 years from graduation from Anesthesia School in 1979, until retirement just a few years ago. I gave thousands of general anesthetics, plus thousands of epidurals, spinals and deep or light sedation. Then I often was assigned to interview the patients a day or 2 post op, to make sure none had any complaints or apparent anesthesia complications. During all those years, no one ever told me about
any such thing related to anesthesia. Which is not to say nothing happened(some folks won't mention really strange things). Nor is it to say I don't know of really surprising experiences with friends or relatives, though not related to anesthesia.
And I guess a bottom line on all of this is not so much what we THINK we saw(vivid dreams can certainly occur especially with drugs such as Ketamine), but if we report details which we had no way of knowing.
However, there was this one experience reported to all of us by a trusted colleague after he came back from post op rounds. This was general anesthesia for oral surgery, full mouth restoration. IOW, pull all the teeth and replace with implants, maybe some additional work as needed. Not sedation, but the full Monty: put down initially with Pentothal, paralyze with succinylcholine for placement of the naso-tracheal tube(through the nose, into the wind pipe), then heavy duty gas (probably Ethrane way back then, early 80s) through the breathing tube until time to wake up. Unlike modern day IV drugs like propofol, this stuff was absorbed by body fat, which releases it back into the blood stream for a while after you turn off the gas. So, it always takes a while to wake up enough to know what is going on.
The oral surgeon owned a farm, and the anesthesia guy had been raised on one. So middle of the surgery, while the gas is turned way up, a tube is in the wind pipe, and teeth are being pulled with no local, since none is needed, while BP and pulse was nice and low under maximum surgical stress(a sign that anesthesia is more than adequate), a discussion ensues about
slaughtering hogs.
So he sees the patient post op. Asks the usual "Did you have any complaints or problems which you thing are from your anesthesia?". Then nearly falls out when the guy says "No, I was very comfortable and the surgery didn't hurt at all, and was in very much pain after wards. But I do remember thinking that I wished you guys would shut the hell up about
slaughtering those hogs and finish your work and get me out of that operating room". Plus he threw in a few more details about
the discussions hel during this hour or so long surgery.
So, that one was kind of hard for us to explain. Obviously the anesthesia was adequate that the patient would not move( the paralyzing drug only lasts about
5 minutes) or produce tears(we watch for those things) or raise heart rate or BP despite that tube and the dental surgery. But he knew about
the hog discussion that took place in the middle of the surgery. Every one knew when that discussion took place: in the middle of deep general naso-tracheal anesthesia for dental surgery. FWIW. He was not floating above the be observing(or didn't mention it) but he heard exactly what the were saying.
Now I could throw in a few eye
opening things about
what relatives have said before they died, or a hysterical reaction my aunt had, crying and screaming about
her baby brother "he just died" at what turned out to be the exact time of his death from cancer several hundred miles away(no cell phones back then), as they were leaving the house in GA to go be by his side in FL. I could write about
several things like that in my life.
But those things are not anesthesia. This one(my story) was.
Post Edited (BillyBob@388) : 11/9/2018 3:38:03 PM (GMT-7)