The choice of general anesthetic regimen—either total intravenous anesthesia (TIVA) or volatile anesthesia—does not appear to affect cancer outcomes after colorectal surgery.
The authors of this systematic review and meta-analysis noted that these findings contrast with previous studies, which showed a protective effect of TIVA in other types of cancer surgery.
“There is both clinical and preclinical evidence which suggests that even though exposure to anesthesia is brief, it