ALB and infection: However, a decrease in total protein and serum albumin levels due to low nutrition caused by this long period of fasting increases the risk of serious adverse postoperative events, such as delayed wound healing and postoperative infection.17 Although in the field of colorectal surgery, in a similar report in surgery involving intestinal manipulation as in the present study, Dai et al16 revealed that preoperative hypoalbuminemia is an independent risk factor for POI development after colorectal resection.