Effectiveness of the Ultraflex Diamond stent for the palliation of malignant biliary obstruction.

Abstract:

BACKGROUND AND STUDY AIMS:Endoscopically placed metallic biliary stents provide durable drainage for malignant biliary obstruction. The best-studied metal stent is the Wallstent, which has a greater duration of patency than polyethylene stents. Recently, the Ultraflex Diamond stent has been introduced, with reports from Europe which suggest efficacy similar to that of the Wallstent. We report our experience with this new metal stent and compare it with a historical cohort of Wallstent-treated patients. PATIENTS AND METHODS:Between July 1997 and July 1998 all metal stents placed for malignant biliary obstruction were Diamond stents (10 mm diameter, 6 or 8 cm length). Prospective follow-up details with regard to patient death or stent occlusion were obtained. In total, 32 patients underwent stenting, but 11 patients were excluded because of the following: death from pre-existing cholangitis (2); placement of bilateral hilar stents (2); placement of stent through occluded metal stents (3); failure to palliate jaundice due to complex hilar stricture (2) or concomitant liver failure (1); or inability to obtain follow-up (1), leaving 21 patients for analysis. Occlusion rates and stent patency were also determined retrospectively for 19 patients with malignant biliary obstruction who had Wallstents (10 mm diameter, 6.8 cm length) placed during the preceding year and for whom accurate and complete follow-up details were available. RESULTS:In the Diamond stent group there were 14 men and seven women, mean age 73. In the Wallstent group there were 11 men and eight women, mean age 66. The types of cancer, level of stricture and percentage with prior polyethylene stenting were similar in both groups. Stent occlusion occurred in 9/21 (43%), Diamond stents at a mean of 74 +/- 43 days compared with 8/19 (42%) Wallstents at a mean of 178 +/- 138 days (P < 0.04). Mean time of stent patency was 110 +/- 89 days for Diamond stents and 253 +/- 218 days for Wallstents (P < 0.01). Analysis of occlusion-free survival using a Kaplan-Meier plot showed a trend favoring the Wallstent (P = 0.12; Wilcoxon test). CONCLUSIONS:The occlusion rate and patency of Diamond stents for malignant biliary obstruction appear to be inferior to those of Wallstents and similar to reported values for polyethylene stents. Prospective randomized comparisons of Wallstents and newer self-expanding metal stents are warranted.

journal_name

Endoscopy

journal_title

Endoscopy

authors

Ahmad J,Siqueira E,Martin J,Slivka A

doi

10.1055/s-2002-34269

subject

Has Abstract

pub_date

2002-10-01 00:00:00

pages

793-6

issue

10

eissn

0013-726X

issn

1438-8812

journal_volume

34

pub_type

临床试验,杂志文章
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    pub_type: 杂志文章,多中心研究,随机对照试验

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    pub_type: 杂志文章,实务指引

    doi:10.1055/s-0031-1291717

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    journal_title:Endoscopy

    pub_type: 杂志文章

    doi:10.1055/s-0028-1098305

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    journal_title:Endoscopy

    pub_type: 杂志文章

    doi:10.1055/s-2007-1008972

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    journal_title:Endoscopy

    pub_type: 杂志文章

    doi:10.1055/s-2003-39673

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    更新日期:2003-06-01 00:00:00

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    journal_title:Endoscopy

    pub_type: 杂志文章

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    pub_type: 杂志文章,多中心研究

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    journal_title:Endoscopy

    pub_type: 杂志文章

    doi:10.1055/s-2007-1010296

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    journal_title:Endoscopy

    pub_type: 杂志文章,评审

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    更新日期:1999-01-01 00:00:00

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    pub_type: 杂志文章

    doi:10.1055/s-2007-1018481

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    journal_title:Endoscopy

    pub_type: 临床试验,杂志文章

    doi:10.1055/s-0033-1344863

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    更新日期:2013-12-01 00:00:00

  • Erosion and perforation of the biliary tree by plastic biliary endoprostheses.

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    journal_title:Endoscopy

    pub_type: 杂志文章

    doi:10.1055/s-0029-1244203

    authors: Sinha S,Wardle A,Kalidindi V,Banga N,Stoker DL

    更新日期:2010-09-01 00:00:00

  • Carbon dioxide insufflation can significantly reduce toilet use after colonoscopy: a double-blind randomized controlled trial.

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    journal_title:Endoscopy

    pub_type: 杂志文章,随机对照试验

    doi:10.1055/s-0034-1365016

    authors: Hsu WF,Hu WH,Chen YN,Lai HH,Chen MK,Chang LC,Tu CH,Chou CK,Wang HP,Wu MS,Chiu HM

    更新日期:2014-03-01 00:00:00

  • Combined endobronchial and esophageal endosonography for the diagnosis and staging of lung cancer: European Society of Gastrointestinal Endoscopy (ESGE) Guideline, in cooperation with the European Respiratory Society (ERS) and the European Society of Thor

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    journal_title:Endoscopy

    pub_type: 杂志文章,实务指引

    doi:10.1055/s-0034-1392040

    authors: Vilmann P,Clementsen PF,Colella S,Siemsen M,De Leyn P,Dumonceau JM,Herth FJ,Larghi A,Vazquez-Sequeiros E,Hassan C,Crombag L,Korevaar DA,Konge L,Annema JT

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    journal_title:Endoscopy

    pub_type: 临床试验,杂志文章,随机对照试验

    doi:10.1055/s-2001-12814

    authors: Frimberger E,Vente T,Wagenpfeil S,Gerein P,Born P,Fritz N,Allescher HD,Ott R,Weigert N,Classen M,Rösch T

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  • Clinical features, pathophysiology and relevance of portal hypertensive gastropathy.

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    journal_title:Endoscopy

    pub_type: 杂志文章,评审

    doi:10.1055/s-2007-1010663

    authors: Smart HL,Triger DR

    更新日期:1991-07-01 00:00:00

  • Hemostatic spray powder TC-325 in the primary endoscopic treatment of peptic ulcer-related bleeding: multicenter international registry.

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    journal_title:Endoscopy

    pub_type: 杂志文章

    doi:10.1055/a-1186-5360

    authors: Hussein M,Alzoubaidi D,Lopez MF,Weaver M,Ortiz-Fernandez-Sordo J,Bassett P,Rey JW,Hayee BH,Despott E,Murino A,Moreea S,Boger P,Dunn J,Mainie I,Graham D,Mullady DK,Early DS,Ragunath K,Anderson JT,Bhandari P,Goetz M

    更新日期:2021-01-01 00:00:00

  • Does a detailed explanation prior to gastroscopy reduce the patient's anxiety?

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    journal_title:Endoscopy

    pub_type: 临床试验,杂志文章,随机对照试验

    doi:10.1055/s-2007-1012965

    authors: Levy N,Landmann L,Stermer E,Erdreich M,Beny A,Meisels R

    更新日期:1989-11-01 00:00:00

  • Death following fiberoptic gastroscopy caused by pheochromocytoma.

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    journal_title:Endoscopy

    pub_type: 杂志文章

    doi:10.1055/s-0028-1098490

    authors: Crowe J,Bottomley K,McCarthy CF

    更新日期:1977-03-01 00:00:00

  • Ablation of residual Barrett's epithelium after endoscopic resection: a randomized long-term follow-up study of argon plasma coagulation vs. surveillance (APE study).

    abstract:BACKGROUND AND STUDY AIM:It is commonly assumed that ablation of any remaining Barrett's epithelium after endoscopic resection of early Barrett's neoplasia improves outcome by reducing the rate of metachronous lesions, but this has not yet been evaluated in a randomized trial. The aim of this study was to compare argon...

    journal_title:Endoscopy

    pub_type: 杂志文章,随机对照试验

    doi:10.1055/s-0033-1358813

    authors: Manner H,Rabenstein T,Pech O,Braun K,May A,Pohl J,Behrens A,Vieth M,Ell C

    更新日期:2014-01-01 00:00:00

  • CO2-hysteroscopy today.

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    journal_title:Endoscopy

    pub_type: 杂志文章

    doi:10.1055/s-0028-1098330

    authors: Lindemann HJ

    更新日期:1979-05-01 00:00:00

  • Accuracy and concordance of endocytoscopic atypia for the diagnosis of gastric cancer.

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    journal_title:Endoscopy

    pub_type: 杂志文章

    doi:10.1055/s-0034-1377524

    authors: Kaise M,Kimura R,Nomura K,Kuribayashi Y,Kikuchi D,Iizuka T,Ohkura Y

    更新日期:2014-10-01 00:00:00

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    journal_title:Endoscopy

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    doi:10.1055/s-2007-1012927

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    journal_title:Endoscopy

    pub_type: 杂志文章

    doi:10.1055/s-2004-814121

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    更新日期:2004-01-01 00:00:00

  • Inflammatory bowel disease: what is new?

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    pub_type: 杂志文章,评审

    doi:10.1055/s-2004-814180

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    更新日期:2004-02-01 00:00:00

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    pub_type: 杂志文章

    doi:10.1055/s-2003-37258

    authors: DeWitt JM,Chappo J,Sherman S

    更新日期:2003-03-01 00:00:00

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    doi:10.1055/s-2007-1005761

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    更新日期:1995-10-01 00:00:00