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Chinese Journal of Interventional Radiology(Electronic Edition) ›› 2021, Vol. 09 ›› Issue (04): 388-394. doi: 10.3877/cma.j.issn.2095-5782.2021.04.007

• Non-vascular Intervention • Previous Articles     Next Articles

Outcomes and prognosis of long intestinal tube for malignant bowel obstruction caused by unresectable peritoneal metastases of colorectal cancer

Yang Liu1, Tao Peng1, Yuan Wan1, Ketong Wu1, Haiyang Lai1, Dan Li1, Jinhan Liang1, Bo Zhang1,()   

  1. 1. Department of Interventional Center, the Sixth Affiliated Hospital, Sun Yat-sen University, Guangdong Guangzhou 510655, China.
  • Received:2021-08-26 Online:2021-11-25 Published:2022-01-05
  • Contact: Bo Zhang

Abstract:

Objective

TTo explore the efficacy and prognosis of long intestinal tube treatment for malignant bowel obstruction (MBO) caused by unresectable peritoneal metastasis of colorectal cancer (mCRC).

Methods

A retrospective study was conducted. In accordance with the above criteria, clinicopathological data of 102 patients undergoing long intestinal tube at The Sixth Affiliated Hospital of Sun Yat-sen University, from April 2018 to December 2020 were retrospectively collected. The remission rates of obstruction after long intestinal tube were analyzed. Kaplan-Meier method was used to evaluate survival and Cox regression analysis was used to identify prognostic factors.

Results

Among102 patients, 74 were male and 28 were female with median age of 51.5 (16~86) years. The remission rate of obstruction was 74.5% (76/102). Forty-five percent (45/102) patients underwent chemotherapy with or without targeting therapy, including 4.9% (5/102) cases scheduled for cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC). Till the last follow up of August 2021, the median overall survival time was 2.8 (95%CI: 1.7~3.8) months, and the 6-month and 1-year survival rates were 30% and 12% respectively. Multivariate analysis showed remission rate of obstruction (HR = 0.548, 95%CI: 0.313~0.959, P = 0.035) and chemotherapy with or without targeting therapy (HR = 0.481, 95%CI: 0.284~0.815, P = 0.007) were independent risk factors associated with prognosis of patients with MBO caused by unresectable peritoneal mCRC.

Conclusions

For patients with MBO caused by unresectable peritoneal mCRC, long intestinal tube may achieve higher symptom relief rate and prolong survival, and improve conditions for systematic chemotherapy, even CRS and HIPEC.

Key words: Long intestinal tube, Unresectable peritoneal metastasis of colorectal cancer, Malignant bowel obstruction

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