Anti-inflammatory Effect of Peroperative Stimulation of the Vagus Nerve

Gastric stasis (volume of gastric fluid produced by gastric tube on postoperative day 1

Time frame: From the date of surgery until postoperative day 1

Time to first flatus

Time frame: From the date of surgery until the date of discharge from the hospital (on average 14 days)

Time to tolerance of oral food intake

Time frame: From the date of surgery until the date of discharge from the hospital (on average 14 days)

Time to tolerance of oral food intake and first defecation

Time frame: From the date of surgery until the date of discharge from the hospital (on average 14 days)

Time to first defecation

Time frame: From the date of surgery until the date of discharge from the hospital (on average 14 days)

Gastrointestinal symptoms (nausea, pain, vomiting, bloating)

Time frame: From the date of surgery until the date of discharge from the hospital (on average 14 days)

Time to discharge from the hospital

Time frame: From the date of surgery until the date of discharge from the hospital (on average 14 days)

Levels of pro-inflammatory cytokines in intestinal tissue, serum, peritoneal lavage and supernatant of stimulated whole blood

Time frame: From the date of surgery until the date of lab analysis (up to 6 months)