Eficacia y complicaciones en el empleo de prótesis autoexpandibles de colon: análisis de un periodo de 15 años

Wamba, Jose Daniel Samper; Martínez, A. Fernández; Pastrana, L. González; González, Laura López; Arregui, Óscar Balboa

doi:10.1016/j.rx.2014.07.004

Cited by 4 publications

(2 citation statements)

References 34 publications

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“…In the present study, in the majority of cases, SEMS placement was used as a palliative treatment with technical and clinical success rates of 96.5% and 100%, respectively. Saida et al [ 11 ] reported technical and clinical success rates of 91% and 89%, respectively, and Samper Wamba et al reported a technical success rate of 92.26% and a clinical success rate of 78.45% in a sample of 478 patients [ 12 ].…”

Section: Discussionmentioning

confidence: 99%

“…The overall complication rate of 19.4% in our study was high in comparison to the 4% complication rate in a study by Saida et al [ 11 ]. Moreover, the 18.5% complication rate achieved in 441 procedures in the study by Samper Wamba et al seems to offer a better perspective on the actual level of procedure-related risk [ 12 ]. The perforation rate of 12.9% (4/31) in the present study slightly exceeds that reported in the European Society of Gastrointestinal Endoscopy (ESGE) guidelines [ 10 ].…”

Section: Discussionmentioning

confidence: 99%

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Outcomes and complications of self-expanding metal stent placement for malignant colonic obstruction in a single-center study.

Stankiewicz¹,

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Videosurgery and Other Miniinvasive Techniques

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Outcomes and complications of self-expanding metal stent placement for malignant colonic obstruction in a single-center study.

Stankiewicz¹,

Kozieł²,

Pertkiewicz³

et al. 2017

Videosurgery and Other Miniinvasive Techniques

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Endoluminal Colorectal Stenting

Läckberg

Abbas

2017

Advanced Colonoscopy and Endoluminal Surgery

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A methodology for the customized design of colonic stents based on a parametric model

Puértolas

Navallas

Herrera

et al. 2017

Journal of the Mechanical Behavior of Biomedical Materials

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The choice of necessary stent properties depends mainly on the length of the stenosis and degree of occlusion. So a stent design with variable radial stiffness along its longitudinal axis would be a good option. The design proposed corresponds to a tube-based stent with closed diamond-shaped cells made from a NiTi alloy. By acting independently on different geometric factors, variable geometries can be obtained with different radial force reactions. A design adjustment according to specific requirements, in order to get a better fit to ill-duct and reduces complications, is possible. A parametric analysis using finite element has been conducted to determine the influence of slot length, number of circumferential slots, tube thickness and shape-factor on stent mechanical behavior, which allow eliminating the need for extensive experimental work and knowing and quantifying the influence of those factors. The results of finite element simulations have been used, by means of least-squares fit techniques, to obtain analytical expressions for the main mechanical characteristics of the stent (Chronic Expansive Radial Force and Radial Compression Resistance) in terms of the different geometrical factors. This allows the stent geometry to be customized without launching an iterative and costly process of modeling and simulation for each case.

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Eficacia y complicaciones en el empleo de prótesis autoexpandibles de colon: análisis de un periodo de 15 años

Cited by 4 publications

References 34 publications

Outcomes and complications of self-expanding metal stent placement for malignant colonic obstruction in a single-center study.

Outcomes and complications of self-expanding metal stent placement for malignant colonic obstruction in a single-center study.

Endoluminal Colorectal Stenting

A methodology for the customized design of colonic stents based on a parametric model

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