Are there risks involved with lidocaine solution being injected into a person and then not removed?
Doctor Answers 5
The tumescent fluid used to locally numb the area for Smart Lipo is a diluted amount of lidocaine. The amount that can be safely used is calculated by your weight. This amount is safe whether it is aspirated back out or not. It sounds like very little was infused and should not have been an issue as the surgeon was implying. This sounds like a classic case of a doctor putting down a colleague to make himself look smarter. And needlessly stressing you out in the process.
There is no reason for that surgeon to have caused you anxiety
We all use lidocaine with epinephrine and saline to numb up the patient for Smartlipo.
some patients are sensitive to the infiltration and all this requires is to inject slower. i personally have most of my patients take both Celebrax and something to relax them by mouth and that makes the numbing part of the procedure, more easily tolerated.
We then liposuction out much of the fluid when we take out the fat. however some gets absorbed by the body and that is not harmful at all. The second surgeon did not know what he was talking about. you are still alive and well, so clearly it did not cause you any problems.
david berman md
Lidocaine solution is safe.
The only way to remove the lidocaine in the tumescent anesthesia is to perform the liposuction procedure itself. The vast majority (95%) of the tumescent anesthesia is salt water. So if liposuction was not performed, your body will absorb the fluid and you will harmlessy urinate it out.
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Lidocaine used with Liposuction
Tumescent liposuction using a dilute form of liposuction is standard practice. Lidocaine has an acidic pH, so it is usually buffered with sodium bicarbonate before injecting. Perhaps your surgeon skipped this buffering step, or tried to inject at a high speed causing the skin to extend too quickly. Nonetheless, lidocaine is readily absorbed by the fat cells, metabolized through the liver and urinated out essentially by the next day with adequate hydration.