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Small intestinal obstruction is a common complication of primary gastrointestinal cancer or metastatic cancers. Patients with this condition are often poor candidates for surgical bypasses, and placement of self-expanding metal stent(SEMS) can be technically challenging. In this study, we examined the feasibility of combined application of single-balloon enteroscope(SBE) and colonoscope for SEMS placement in patients with malignant small intestinal obstruction. Thirty-four patients were enrolled in this study, among which 22 patients received SEMS placement by using SBE and colonoscope, while the other 12 patients received conservative medical treatment. The patients were followed up for one year. Stent placement was technically feasible in 95.5%(21/22). Clinical improvement was achieved in 86.4%(19/22). For the 19 clinical success cases, the average time of benefits from a gastric outlet obstruction scoring system(GOOSS) increase ≥1 was 111.9±89.5 days. For the 12 patients receiving conservative medical treatment, no significant improvement in GOOSS score was observed. Moreover, a significant increase of Short-Form-36 health survey score was observed in the 19 patients at time of 30 days after stent placement. By Kaplan-Meier analysis, a significant survival improvement was observed in patients with successful SEMS placement, compared with patients receiving conservative medical treatment. Taken together, combined use of SBE and colonoscope makes endoscopic stent placement feasible in patients with malignant small intestinal obstruction, and patients can benefit from it in terms of prolonged survival and improved quality of life.
Small intestinal obstruction is a common complication of primary gastrointestinal cancer or metastatic cancers. Patients with this condition are often poor candidates for surgical bypasses, and placement of self-expanding metal stent (SEMS) can be technically challenging. feasibility of combined application of single-balloon enteroscope (SBE) and colonoscope for SEMS placement in patients with malignant small intestinal obstruction. Among Thirty-four patients were enrolled in this study, among which 22 patients received SEMS placement by using SBE and colonoscope, while the The patients were followed up for one year. Stent placement was technically feasible in 95.5% (21/22). Clinical improvement was achieved in 86.4% (19/22). For the 19 clinical success cases , the average time of benefits from a gastric outlet obstruction scoring system (GOOSS) increase ≥1 was 111.9 ± 89.5 days. For the 12 patients receivin g conservative medical treatment, no significant improvement in GOOSS score was observed. Moreover, a significant increase in Short-Form-36 health survey score was observed in the 19 patients at time of 30 days after stent placement. By Kaplan-Meier analysis, a significant survival improvement was observed in patients with successful SEMS placement, compared with patients receiving conservative medical treatment. Taken together, combined use of SBE and colonoscope makes endoscopic stent placement feasible in patients with malignant small intestinal obstruction, and patients can benefit from it in terms of prolonged survival and improved quality of life.