Frequent occurrence of fever in patients who have undergone endoscopic submucosal dissection for colorectal tumor, but bacteremia is not a significant cause

Background We examined the incidence of and factors associated with fever, as well as the frequency of bacteremia, in patients who had undergone endoscopic submucosal dissection (ESD) for colorectal tumor. Method A total of 199 patients (120 male and 79 female) were included. The patients were classified into two groups based on the body temperature on the day after ESD treatment: group A, body temperature