The assistants tried hard to hold [a thrashing patient] but, he was too strong. In that chaos, Liston started to move so fast that he accidently cut his assistant’s fingers off and also slashed a spectator’s coat.
The spectator thought that he was hurt and died of terror on the spot. The patient and the assistant died a few days later from infections of their wounds.
This is the only surgery in known history with a 300 percent mortality rate.