A Comparative Study of Clinical Outcomes Between Leak Testing and No Leak Testing for Anastomosis in Colorectal Cancer Surgery: a Multicenter, Stratified Randomized Controlled Trial.
To evaluate the effectiveness of the gastroscopy, air, and methylene blue (GAM) leak testing in reducing the incidence of postoperative anastomotic complications, especially anastomotic leakage, in patients with colorectal cancer. The primary outcomes included is the incidence of anastomotic complications (mainly anastomotic leak) within 30 days after surgery
• Patients diagnosed with colorectal cancer by pathology and scheduled for surgical treatment who meet the surgical indications.
• Aged between 18 and 85 years.
• American Society of Anesthesiologists (ASA) physical status classification is I - III.
• The patient or his/her legal representative can understand and sign the informed consent form and is willing to cooperate throughout the study process.