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  • Title: Self-Expanding Metallic Stents (SEMS) in Left-Sided Colonic Cancer--a Cancer Center Experience.
    Author: Saeed KM, Zafar W, Masood MA, Khattak S, Syed AA, Yusuf MA.
    Journal: J Gastrointest Cancer; 2016 Mar; 47(1):69-74. PubMed ID: 26691172.
    Abstract:
    BACKGROUND AND STUDY AIMS: Self-Expanding Metallic Stents (SEMS) are a surgery-sparing option for malignant colonic obstruction. They can be inserted as a "bridge to surgery" (BTS) for potentially curable disease, or as a palliative measure, thereby avoiding the higher morbidity and mortality associated with surgery. The objective of this study was to report our local experience of left-sided colonic stents. METHODS: Data on 49 patients was collected retrospectively from Oct 2008 to Nov 2014 at our cancer centre. This included demographics, baseline clinical characteristics, indications for SEMS placement (bridge to surgery/palliative), technical and clinical success, complications, and the mean patency of duration. Survival in both groups was also plotted on a Kaplan-Meier chart. RESULTS: A total of 49 patients with colorectal carcinoma (CRC) of the left side were enrolled. The mean age was 50 years (range 18-86). Ninety percent of patients had disease involving the rectum, sigmoid colon, or both. Forty-seven percent (n = 23) of patients had stent insertion as a BTS, whereas 53% (n = 26) had the procedure with palliative intent. Technical and clinical success rates were 96 and 88%, respectively. The clinical success rate of the palliative arm was lower than that of the BTS arm (p = 0.024). 87.5% (n = 42) had no procedure-related complications. Technical failure, perforation, and stent migration/expulsion, were each observed in 4% of cases. Mean stent patency duration was 83.9 days. CONCLUSION: SEMS insertion for left-sided malignant colonic obstruction is a safe and effective procedure when used either as a bridge to surgery or with palliative intent.
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