Self-Expanding Metal Stents Do Not Adversely Affect Long-term Outcomes in Acute Malignant Large-Bowel Obstruction: A Retrospective Analysis

被引:5
作者
Browne, Ikennah L. [1 ]
Mahsin, Md [2 ]
Drolet, Sebastien [3 ]
Buie, W. Donald [1 ]
Heine, John A. [1 ]
MacLean, Anthony R. [1 ]
机构
[1] Univ Calgary, Dept Surg, Calgary, AB, Canada
[2] Univ Calgary, Dept Math & Stat, Calgary, AB, Canada
[3] Univ Laval, Dept Surg, Quebec City, PQ, Canada
关键词
Colorectal cancer; Self-expanding metal stent; Survival; ACUTE COLORECTAL OBSTRUCTION; CONVENTIONAL OPEN SURGERY; VS; EMERGENCY-SURGERY; COLONIC OBSTRUCTION; ELECTIVE SURGERY; PLACEMENT; CANCER; BRIDGE; MANAGEMENT; MORBIDITY;
D O I
10.1097/DCR.0000000000002084
中图分类号
R57 [消化系及腹部疾病];
学科分类号
摘要
BACKGROUND: Self-expanding metal stents as a bridge to surgery in acute malignant large-bowel obstruction has gained popularity. However, long-term oncologic outcomes have not been well established. OBJECTIVE: To investigate long-term oncologic outcomes of patients undergoing curative resection after the placement of a colonic stent compared with emergency surgery for acute malignant large-bowel obstruction. DESIGN: This is a retrospective study. SETTING: All patients presenting at 3 tertiary care centers between April 2002 and December 2012 with a diagnosis of complete malignant large-bowel obstruction were reviewed. Patients with disease distal to the hepatic flexure were selected for analysis. PATIENTS: One hundred twenty-two patients who underwent either emergency surgery or placement of a colonic stent with curative intent were included. INTERVENTIONS: Patients receiving emergency surgery within 24 hours of presenting with obstructive symptoms, including those with failed stents, were included in the emergency surgery group. All patients with clinically successful stent deployment before surgery were included in the stent group. MAIN OUTCOME MEASURES: Overall survival and disease-free survival were calculated using the KaplanMeier method. RESULTS: Sixty-four patients underwent emergency surgery, and 58 patients underwent placement of a self-expanding metal stent. Groups were similar in terms of sex, tumor stage and grade, and Charlson and Charlson- Age Comorbidity Index scores. Patients in the surgery group were older than patients in the stent group. There were no differences in the number of lymph nodes harvested, positive nodes, rates of vascular and perineural invasion, or utilization of chemotherapy. Thirty-day mortality after resection was similar between groups ( 7.41% vs 4.41%; p > 0.05). Patients who underwent colonic stenting as a bridge to surgery had similar 10-year overall survival (40.5% vs 32.7%; p = 0.13) and 10-year disease- free survival (40.2% vs 33.8%; p = 0.26) compared with those who underwent emergency surgery. Similar results were seen on intention-to- treat analysis. LIMITATIONS: This was a small retrospective study. CONCLUSIONS: Stent insertion followed by oncologic resection is associated with similar overall survival and disease-free survival compared with emergency resection. Stent insertion as a bridge to surgery should be considered in patients presenting with malignant colorectal obstruction.
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页码:228 / 237
页数:10
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