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Comparison of through-the-scope stent insertion with standard stent insertion for the management of malignant colorectal obstruction: a prospective study

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Abstract

Background

The aim of the present study was to compare the feasibility, safety and efficacy of the through-the-scope (TTS) stent technique to that of the standard metallic stent technique for the management of malignant colorectal obstruction.

Methods

Fifty-two patients scheduled to receive stent insertion for the management of acute obstructive colorectal cancer were enrolled in our study and divided into a TTS stent group (n = 24) and a standard stent group (n = 28). The stent insertion procedure was performed under endoscopic and fluoroscopic guidance in all patients. The success rate, complications, fluoroscopic time, and clinical remission rate were recorded and compared.

Results

The technique success rate was 100 % (24/24) in the TTS stent group and 78.6 % (22/28) in the standard stent group (p = 0.03). In five patients in the standard stent group, the stent failed to pass through occlusive lesions because of the stiffness of the stent system. Serious bleeding occurred in one patient in the standard stent group. The fluoroscopy time in the TTS stent group was significantly reduced (12.9 ± 6.6 min) compared with that of the standard stent group (24.8 ± 9.8 min; p < 0.01). Silent perforation occurred in 17.9 % (5/28) of the cases in the standard stent group compared with none in the TTS (p = 0.03). Clinical remission was achieved in 97.1 % (23/24) and 78.6 % (22/28) of patients in the TTS and standard stent groups, respectively (p = 0.11).

Conclusions

The TTS stent is safer and more feasible for the management of malignant colorectal obstructions than the standard stent, and the TTS technique provides a higher success rate, a similar clinical remission rate, and a markedly reduced fluoroscopic time.

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Acknowledgments

This study is supported by the National Natural Science Foundation of China (Nos. 81370041, 81371659, 81171437).

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Authors and Affiliations

  1. Department of Hematology, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, No. 600, Yi Shan Road, Shanghai, 200233, China

    Y. Wan & J. Shi

  2. Department of Oncology, Kunshan Hospital of Traditional Chinese Medicine, Kunshan, China

    Y. Wan

  3. Department of Radiology, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, No. 600, Yi Shan Road, Shanghai, 200233, China

    Y.-Q. Zhu & Y.-S. Cheng

  4. Department of Gastroenterology, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai, China

    N.-W. Chen

  5. Department of Surgery, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai, China

    Z.-G. Wang

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  1. Y. Wan
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  2. Y.-Q. Zhu
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  3. N.-W. Chen
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  4. Z.-G. Wang
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  5. Y.-S. Cheng
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  6. J. Shi
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Corresponding authors

Correspondence to Y.-Q. Zhu or J. Shi.

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The authors declare that they have no conflict of interest.

Ethical approval

The study was conducted in accordance with the recommendations of the Declaration of Helsinki, and was approved by the ethics committees in the hospitals.

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All patients gave written informed consent.

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Wan, Y., Zhu, YQ., Chen, NW. et al. Comparison of through-the-scope stent insertion with standard stent insertion for the management of malignant colorectal obstruction: a prospective study. Tech Coloproctol 20, 707–714 (2016). https://doi.org/10.1007/s10151-016-1527-2

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  • DOI: https://doi.org/10.1007/s10151-016-1527-2

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