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A Newly Designed Stent for Management of Malignant Distal Duodenal Stenosis

  • Clinical Investigation
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Abstract

Purpose

To evaluate the clinical effectiveness of a newly designed stent for the treatment of malignant distal duodenal stenosis.

Methods

From March 2011 to May 2013, six patients with malignant duodenal stenosis underwent fluoroscopically guided placement of the new duodenal stent consisting of braided, nested stent wires, and a delivery system with a metallic mesh inner layer. Primary diseases were pancreatic cancer in three patients, gastric cancer in two patients, and endometrial stromal sarcoma in one patient. Duodenal obstructions were located in the horizontal part in two patients, the ascending part in two patients, and the duodenojejunal flexure in two patients. Technical success, defined as the successful stent deployment, clinical symptoms before and after the procedure, and complications were evaluated.

Results

Technical success was achieved in all patients. No major complications were observed. Before treatment, two patients could not take any food and the gastric outlet obstruction scoring system (GOOSS) score was 0; the other four patients could take only liquids orally (GOOSS score = 1). After treatment, five patients could take soft food (GOOSS score = 2) and one patient could take a full diet (GOOSS score = 3). The mean duration of primary stent patency was 115.7 days.

Conclusions

The newly designed stent is associated with a high degree of technical success and good clinical outcome and may be clinically effective in the management of malignant distal duodenal obstruction.

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Conflict of interest

Wei-Zhong Zhou, Zheng-Qiang Yang, Sheng Liu, Chun-Gao Zhou, Jin-Guo Xia, Lin-Bo Zhao, and Hai-Bin Shi declared no conflict of interest.

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Authors and Affiliations

  1. Department of Interventional Radiology, The First Affiliated Hospital of Nanjing Medical University, No. 300, Guangzhou Road, Gulou District, Nanjing, 210029, China

    Wei-Zhong Zhou, Zheng-Qiang Yang, Sheng Liu, Chun-Gao Zhou, Jin-Guo Xia, Lin-Bo Zhao & Hai-Bin Shi

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  1. Wei-Zhong Zhou
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  2. Zheng-Qiang Yang
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  3. Sheng Liu
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  4. Chun-Gao Zhou
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  5. Jin-Guo Xia
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  6. Lin-Bo Zhao
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  7. Hai-Bin Shi
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Correspondence to Zheng-Qiang Yang.

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Zhou, WZ., Yang, ZQ., Liu, S. et al. A Newly Designed Stent for Management of Malignant Distal Duodenal Stenosis. Cardiovasc Intervent Radiol 38, 177–181 (2015). https://doi.org/10.1007/s00270-014-0899-9

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  • DOI: https://doi.org/10.1007/s00270-014-0899-9

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