Study of long-term outcomes of colonic stent as a "bridge to surgery" for malignant large-bowel obstruction.

Prospective observational with retrospective analisis study of patients with left-sided malignant colonic obstruction undergoing stenting between April 2006 and April 2018 in Parc Tauli University Hospital. We assessed all patients with intent-to-treat and per protocol analyses in postoperative and long-term follow-up variables.

Inclusion Criteria:

• Patients aged over 18 years diagnosed with complete malignant colonic obstruction confirmed by CT.
• Elective surgery.
• Location in transverse, left or sigmoid colon.
• Patients who signed the informed consent documentation and agreed to undergo the procedure.

Exclusion Criteria:

• Benign pathology and palliative treatment.
• Unresectable lesion (intraoperative), severe ischemia or cecal perforation, fecal or advanced purulent peritonitis, emergency surgery.
• Previous chemotherapy.

: patient demographics, physiological status according to the American Society of Anesthesiologist (ASA) score, tumor characteristics and localization, type of surgery, surgical team, stoma formation rate, perioperative morbidity and mortality, tumor stage according to the International Union Against Cancer (UICC)-TNM Classification of Malignant Tumors published by the National Comprehensive Cancer Network (7th edition), administration of adjuvant treatment, local and distant disease recurrence based on CT imaging (and histological tissue if possible), disease-free survival and overall survival.

There's no sharing plan because the study has finished the recruited time