Comparison of a newly designed double-layered combination covered stent and D-weave uncovered stent for decompression of obstructive colorectal cancer

A prospective multicenter study

Chang Mo Moon, Tae Il Kim, Moon Sung Lee, Bong Min Ko, Hyunsoo Kim, Kang Moon Lee, Jeong Sik Byeon, Yong Sik Kim

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

PURPOSE: Stent reocclusion and migration are the most important complications after stent insertion. To overcome both problems, a double-layered combination covered stent was developed. Our purpose was to compare the efficacy and safety of the newly designed double-layered combination covered stent (Niti-S enteral colonic stent, Comvi type) and the double-wire woven uncovered stent (Niti-S enteral colonic stent, D-type) in the treatment of malignant colorectal obstructions. METHODS: Sixty-eight patients with obstructive colorectal cancer underwent stent placement for preoperative decompression (n = 30) or palliative purpose (n = 38) at 6 medical centers. Combination covered stents were used in 31 patients and uncovered stents were used in 37 patients. RESULTS: There were no significant differences between both stents in terms of technical and clinical success rates. Regarding complications after stent insertion, there was no significant difference in early stent occlusion and migration rate between the combination covered stents and the uncovered stents. Despite a trend toward lower rates of late stent occlusion in the combination covered stent group, there was no significant difference in the rate of late stent occlusion by tumor ingrowth between the 2 groups (0% vs 20%, respectively; P = .107), and late stent migration occurred significantly more often with the combination covered stent (22.2% vs 0%, respectively; P = .041). However, we observed no significant difference in the overall late-complication rates and stent patency duration between the 2 groups. CONCLUSIONS: In our study, we could not prove that the newly designed double-layered combination covered stents have preventive advantages in stent migration compared with the uncovered stent.

Original languageEnglish
Pages (from-to)1190-1196
Number of pages7
JournalDiseases of the colon and rectum
Volume53
Issue number8
DOIs
Publication statusPublished - 2010 Aug 1

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Decompression
Multicenter Studies
Stents
Colorectal Neoplasms
Prospective Studies
Small Intestine

All Science Journal Classification (ASJC) codes

  • Gastroenterology

Cite this

Moon, Chang Mo ; Kim, Tae Il ; Lee, Moon Sung ; Ko, Bong Min ; Kim, Hyunsoo ; Lee, Kang Moon ; Byeon, Jeong Sik ; Kim, Yong Sik. / Comparison of a newly designed double-layered combination covered stent and D-weave uncovered stent for decompression of obstructive colorectal cancer : A prospective multicenter study. In: Diseases of the colon and rectum. 2010 ; Vol. 53, No. 8. pp. 1190-1196.
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abstract = "PURPOSE: Stent reocclusion and migration are the most important complications after stent insertion. To overcome both problems, a double-layered combination covered stent was developed. Our purpose was to compare the efficacy and safety of the newly designed double-layered combination covered stent (Niti-S enteral colonic stent, Comvi type) and the double-wire woven uncovered stent (Niti-S enteral colonic stent, D-type) in the treatment of malignant colorectal obstructions. METHODS: Sixty-eight patients with obstructive colorectal cancer underwent stent placement for preoperative decompression (n = 30) or palliative purpose (n = 38) at 6 medical centers. Combination covered stents were used in 31 patients and uncovered stents were used in 37 patients. RESULTS: There were no significant differences between both stents in terms of technical and clinical success rates. Regarding complications after stent insertion, there was no significant difference in early stent occlusion and migration rate between the combination covered stents and the uncovered stents. Despite a trend toward lower rates of late stent occlusion in the combination covered stent group, there was no significant difference in the rate of late stent occlusion by tumor ingrowth between the 2 groups (0{\%} vs 20{\%}, respectively; P = .107), and late stent migration occurred significantly more often with the combination covered stent (22.2{\%} vs 0{\%}, respectively; P = .041). However, we observed no significant difference in the overall late-complication rates and stent patency duration between the 2 groups. CONCLUSIONS: In our study, we could not prove that the newly designed double-layered combination covered stents have preventive advantages in stent migration compared with the uncovered stent.",
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Comparison of a newly designed double-layered combination covered stent and D-weave uncovered stent for decompression of obstructive colorectal cancer : A prospective multicenter study. / Moon, Chang Mo; Kim, Tae Il; Lee, Moon Sung; Ko, Bong Min; Kim, Hyunsoo; Lee, Kang Moon; Byeon, Jeong Sik; Kim, Yong Sik.

In: Diseases of the colon and rectum, Vol. 53, No. 8, 01.08.2010, p. 1190-1196.

Research output: Contribution to journalArticle

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T1 - Comparison of a newly designed double-layered combination covered stent and D-weave uncovered stent for decompression of obstructive colorectal cancer

T2 - A prospective multicenter study

AU - Moon, Chang Mo

AU - Kim, Tae Il

AU - Lee, Moon Sung

AU - Ko, Bong Min

AU - Kim, Hyunsoo

AU - Lee, Kang Moon

AU - Byeon, Jeong Sik

AU - Kim, Yong Sik

PY - 2010/8/1

Y1 - 2010/8/1

N2 - PURPOSE: Stent reocclusion and migration are the most important complications after stent insertion. To overcome both problems, a double-layered combination covered stent was developed. Our purpose was to compare the efficacy and safety of the newly designed double-layered combination covered stent (Niti-S enteral colonic stent, Comvi type) and the double-wire woven uncovered stent (Niti-S enteral colonic stent, D-type) in the treatment of malignant colorectal obstructions. METHODS: Sixty-eight patients with obstructive colorectal cancer underwent stent placement for preoperative decompression (n = 30) or palliative purpose (n = 38) at 6 medical centers. Combination covered stents were used in 31 patients and uncovered stents were used in 37 patients. RESULTS: There were no significant differences between both stents in terms of technical and clinical success rates. Regarding complications after stent insertion, there was no significant difference in early stent occlusion and migration rate between the combination covered stents and the uncovered stents. Despite a trend toward lower rates of late stent occlusion in the combination covered stent group, there was no significant difference in the rate of late stent occlusion by tumor ingrowth between the 2 groups (0% vs 20%, respectively; P = .107), and late stent migration occurred significantly more often with the combination covered stent (22.2% vs 0%, respectively; P = .041). However, we observed no significant difference in the overall late-complication rates and stent patency duration between the 2 groups. CONCLUSIONS: In our study, we could not prove that the newly designed double-layered combination covered stents have preventive advantages in stent migration compared with the uncovered stent.

AB - PURPOSE: Stent reocclusion and migration are the most important complications after stent insertion. To overcome both problems, a double-layered combination covered stent was developed. Our purpose was to compare the efficacy and safety of the newly designed double-layered combination covered stent (Niti-S enteral colonic stent, Comvi type) and the double-wire woven uncovered stent (Niti-S enteral colonic stent, D-type) in the treatment of malignant colorectal obstructions. METHODS: Sixty-eight patients with obstructive colorectal cancer underwent stent placement for preoperative decompression (n = 30) or palliative purpose (n = 38) at 6 medical centers. Combination covered stents were used in 31 patients and uncovered stents were used in 37 patients. RESULTS: There were no significant differences between both stents in terms of technical and clinical success rates. Regarding complications after stent insertion, there was no significant difference in early stent occlusion and migration rate between the combination covered stents and the uncovered stents. Despite a trend toward lower rates of late stent occlusion in the combination covered stent group, there was no significant difference in the rate of late stent occlusion by tumor ingrowth between the 2 groups (0% vs 20%, respectively; P = .107), and late stent migration occurred significantly more often with the combination covered stent (22.2% vs 0%, respectively; P = .041). However, we observed no significant difference in the overall late-complication rates and stent patency duration between the 2 groups. CONCLUSIONS: In our study, we could not prove that the newly designed double-layered combination covered stents have preventive advantages in stent migration compared with the uncovered stent.

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