A Prospective Clinical Trial of Colostomy-replacement Combined With Bio-mesh Placement in the Prevention of SSIH

Inclusion Criteria:

* Age: 18-75 years old;
* Patients should have colonic prophylactic stoma and have not received reversal yet;
* There are no obvious signs of tumor recurrence or metastasis in tumor patients before stoma resection;
* No serious underlying diseases, can tolerate general anesthesia surgery
* Preoperative ECOG (Eastern Cooperative Oncology Group) physical status score 0/1;
* Preoperative ASA (American Society of Anesthesiologists) grade I-III;
* Without vital organs function failure;
* All patients and their families signed informed consent before surgery.

Exclusion Criteria:

* Incapacitated persons;
* With a history of other types of hernia;
* Those who have had hernia mesh implantation before;
* Those who are allergic to bio-mesh or their components before;
* Combined with other surgeries;
* Severe mental illness;
* Severe respiratory disease;
* Severe liver and kidney insufficiency;
* Those who have absolute contraindications to surgery;
* Suffering from severe bleeding disorders or obvious abnormal coagulation function;
* History of unstable angina or myocardial infarction within 6 months;
* History of cerebral infarction or cerebral hemorrhage within 6 months;
* Continuous intravenous application of glucocorticoid within 1 month;
* The patient has participated or is participating in other clinical studies (within 6 months).