Quality of life in patients with esophageal stenting for the palliation of malignant dysphagia

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Jan 14, 2011 (publication date) through Dec 11, 2024

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World Journal of Gastroenterology

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1007-9327

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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World J Gastroenterol. Jan 14, 2011; 17(2): 144-150
Published online Jan 14, 2011. doi: 10.3748/wjg.v17.i2.144

Table 2 Characteristics of conventional and anti-reflux mechanism self-expanding metal stents

	Material	Length	Inner diameter	Constrainability	Foreshortening	Anti-reflux mechanism
Conventional SEMS
Ultraflex	Nitinol	10 cm (7 cm CS)	18 mm with 23 mm PF	Braided nylon wire	20% to 40%
	Polyurethane sheath	12 cm (9 cm CS)	23 mm with 28 mm PF	Not reconstrainable when partially deployed
	Polyurethane sheath	15 cm (12 cm CS)		Not reconstrainable when partially deployed
Z stent	Stainless steel	8, 10, 12, 14 cm	18 mm with 25 mm PF and DF	Polyethylene sheath	None
	Polyurethane covering		18 mm with 25 mm PF and DF	Reconstrainable when partially deployed
Wallstent	Elgiloy	10 cm (8 cm CS)	20 mm with 23 mm PF and DF	Polyethylene sheath	Up to 28%
	Polyurethane sheath	15 cm (13 cm CS)	20 mm with 23 mm PF and DF	Reconstrainable when
	Polyurethane sheath			partially deployed
SEMS with an anti-reflux mechanism
Dua Z-stent						Polyurethane sleeve (collapses with gastric pressure)
DO stent						Tricuspid valve
Fer-X-Ella stent						Stainless steel with polyethylene covering and windsock type valve

Modified from Sreedharan et al[56]. SEMS: Self-expanding metal stents; CS: Covered segment; PF: Proximal flare; DF: Distal flare.

Citation: Diamantis G, Scarpa M, Bocus P, Realdon S, Castoro C, Ancona E, Battaglia G. Quality of life in patients with esophageal stenting for the palliation of malignant dysphagia. World J Gastroenterol 2011; 17(2): 144-150
URL: https://www.wjgnet.com/1007-9327/full/v17/i2/144.htm
DOI: https://dx.doi.org/10.3748/wjg.v17.i2.144