Bridge to Recovery: Is Stenting Before Colon Surgery the Right Path?
"Exploring the benefits and drawbacks of using stents as a bridge to surgery for left-sided colon cancer."
The treatment of obstructive left colon cancer presents a complex challenge, requiring careful consideration of various factors to achieve the best possible outcomes. In a recent exchange of letters published in the ANZ Journal of Surgery, researchers discussed the role of stents as a 'bridge to surgery,' highlighting the importance of balancing immediate surgical needs with long-term oncological results.
When faced with emergency surgery (ES) for obstructing colon cancer, surgeons and patients alike must weigh the benefits against potential drawbacks. Self-expandable metallic stents (SEMS) have emerged as a valuable tool, offering a way to alleviate the immediate obstruction and potentially improve a patient's overall condition before undergoing more extensive surgery.
This approach isn't without its critics, as some studies suggest that placing SEMS before surgery may lead to less favorable oncological outcomes. However, there are valid reasons why medical teams might opt for this strategy, especially when considering the individual circumstances and overall health of each patient.
Stenting: A Bridge to Improved Patient Condition
One of the primary reasons for using SEMS is to address the patient's immediate medical condition. For individuals who are medically unstable or face a high risk of complications from immediate surgery, stenting provides an opportunity to stabilize their health. This allows for multiple staged surgeries, particularly in cases of left-sided colon obstruction, and reduces post-operative morbidity.
- Immediate Relief: Stents alleviate obstruction, reducing pain and discomfort.
- Improved Stability: Allows high-risk patients to stabilize before surgery.
- Reduced Morbidity: Minimizes post-operative complications.
- Preoperative Resuscitation: Enhances patient strength and nutritional status.
Current Evidence
A 2025 report found that stenting relieved intestinal-obstruction symptoms in patients with left-sided colon cancer and obstruction. Compared with emergency open surgery, the report described better short-term results without an apparent effect on the tumor's long-term curative outcome. A review also identified self-expanding metal stents as particularly useful as a bridge to surgery for left-sided colon cancer, while noting that further research is needed for right-sided disease.
Where the Strategy Remains Unsettled
The role of stenting as a bridge to surgery remains unsettled, even though it is described as a preferred palliative treatment for left-sided malignant obstructions. Reported benefits in the palliative setting include shorter hospital stays, lower healthcare costs, fewer permanent stomas, and faster chemotherapy initiation. However, a cited randomized controlled trial found palliative stenting more expensive than surgical decompression, while a decision-analysis model for bridge-to-surgery treatment estimated a $4,000 saving.
The Verdict: Is Stenting Right for You?
Ultimately, the decision to use SEMS as a bridge to surgery for left-sided colon cancer depends on various factors, including the patient's overall health, the extent of the obstruction, and the availability of surgical expertise. While stenting is not a standard procedure, it can be a valuable option for patients who require immediate relief and stabilization before undergoing more definitive surgical treatment.
Balancing Short- and Long-Term Outcomes
An expert commentary titled "Expert Commentary on Colonic Stenting in Obstructed Colorectal Cancer as a Bridge to Surgery" was published by Jennifer E. Hrabe in Diseases of the Colon & Rectum in July 2026. A 2026 systematic review and meta-analysis set out to compare self-expanding metal stents used as a bridge to surgery with emergency resection. Its stated focus included both short-term postoperative outcomes and long-term oncologic results, reflecting the central need to weigh immediate surgical effects against cancer-related outcomes.
Individual Patient Experience
One case report described an 81-year-old man with a history of cerebral infarction, hypertension, and gout who underwent self-expanding metal stent placement for 32 months. He did not develop distant metastasis during that period and later underwent radical surgery. Another case report highlighted a stent-first approach for right-sided malignant colonic obstruction in a patient with concurrent coronary artery stenosis, illustrating how individual medical circumstances can influence treatment strategy.