Earlier quoted context omitted.
I had a colonoscopy five years ago here in the UK without any anesthesia and it was perfectly fine. Walked into the theatre wearing a gown and a pair of shorts with a flap at the back, and hopped up onto the bed. Somewhat embarrassing with a half dozen nurses standing around various bits of kit and more monitors than NASA. They asked me if I wanted to watch, then angled one of the monitors so I could see what they we…
I had one a few years back and it was amazingly painful. Nonetheless I would choose it over getting knocked out. This may sound like a strange sentiment, but years ago I broke a bone on a weekend and they put my arm in a sling at the emergency room. I got to see a doctor on monday and he said - you have to move your arm. "Move it every day, otherwise you will lose your range of motion. Let pain be your guide". Comple…
There are risks to colonoscopy, primarily in older patients. You can get a perforated bowel.
Quite plausible that where sedation is warranted this reduces the risk. But that would depend upon whether the cause of this perforation is even amenable to patient/doctor feedback.