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Silva R. Esophageal Stenting: How I Do It. GE PORTUGUESE JOURNAL OF GASTROENTEROLOGY 2023; 30:35-44. [PMID: 37908740 PMCID: PMC10631140 DOI: 10.1159/000530704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Accepted: 01/25/2023] [Indexed: 11/02/2023]
Abstract
Endoscopic esophageal stent placement is an effective palliative treatment for malignant strictures and has also been successfully used for benign indications, including esophageal refractory strictures and iatrogenic leaks and perforations. Despite several decades of evolution and the wide variety of esophageal stents available to choose from, an ideal stent that is both effective and without adverse events such as stent migration, tissue ingrowth, or pressure necrosis has yet to be developed. This paper is an overview of how this evolution happened, and it also addresses the characteristics of some of the currently available stents, like their material and construction, delivery device, radial and axial force pattern, covering and size which may help to understand and avoid the occurrence of adverse events. The insertion delivery systems and techniques of placement of an esophageal self-expandable metal stent are reviewed, as well as some tips and tricks regarding placement and management of adverse events.
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Affiliation(s)
- Rui Silva
- Gastroenterology Department, Portuguese Oncology Institute of Porto, Porto, Portugal
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Ryu DS, Won DS, Kim JW, Park Y, Kim SH, Kang JM, Zeng CH, Lim D, Choi H, Park JH. Efficacy of closed cell self expandable metallic stent for peripheral arterial disease in the porcine iliac artery. Sci Rep 2023; 13:8601. [PMID: 37237009 DOI: 10.1038/s41598-023-35878-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Accepted: 05/25/2023] [Indexed: 05/28/2023] Open
Abstract
This study aimed to investigate the efficacy of a closed-cell self-expandable metallic stent (SEMS) with or without expanded-polytetrafluoroethylene (e-PTFE)-covering membrane in a porcine iliac artery model. Twelve Yorkshire domestic pigs were divided into a bare closed-cell SEMS (B-SEMS) group (n = 6) and covered closed-cell SEMS (C-SEMS) group (n = 6). Both closed-cell SEMSs were placed in the right or left iliac artery. Thrombogenicity score in the C-SEMS group was significantly higher than that in the B-SEMS group (p = 0.004) after 4 weeks. Angiographic findings of mean luminal diameters at 4 weeks follow-up did not differ significantly between B-SEMS and C-SEMS groups. Neointimal hyperplasia thickness as well as degree of inflammatory cell infiltration and collagen deposition in the C-SEMS group was significantly greater than that in the B-SEMS group (p < 0.001). Closed-cell SEMSs successfully maintained patency for 4 weeks without stent-related complications in the porcine iliac artery. Although mild thrombus with neointimal hyperplasia was observed in the C-SEMS group, subsequent occlusion, and in-stent stenosis did not occur in any of the pigs until the end of the study. Closed-cell SEMS with or without the e-PTFE covering membrane is effective and safe for the porcine iliac artery.
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Affiliation(s)
- Dae Sung Ryu
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea
| | - Dong-Sung Won
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea
| | - Ji Won Kim
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea
| | - Yubeen Park
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea
| | - Song Hee Kim
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea
| | - Jeon Min Kang
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea
| | - Chu Hui Zeng
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea
| | - Dohyung Lim
- Department of Mechanical Engineering, Sejong University, 209, Neungdong-ro, Gwangjin-gu, Seoul, 05006, Republic of Korea
| | - Hyun Choi
- Department of Mechanical Engineering, Sejong University, 209, Neungdong-ro, Gwangjin-gu, Seoul, 05006, Republic of Korea.
| | - Jung-Hoon Park
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea.
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Campana LG, Fish R, Dickinson OT, McNamara MG, O'Dwyer ST, Laasch HU. Distal migration of a partially covered duodenal stent requiring emergency surgical extraction. INTERNATIONAL JOURNAL OF GASTROINTESTINAL INTERVENTION 2022. [DOI: 10.18528/ijgii210044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Affiliation(s)
- Luca Giovanni Campana
- Department of Surgery, Colorectal and Peritoneal Oncology Centre (CPOC), The Christie NHS Foundation Trust, Manchester, UK
| | - Rebecca Fish
- Department of Surgery, Colorectal and Peritoneal Oncology Centre (CPOC), The Christie NHS Foundation Trust, Manchester, UK
| | | | - Mairéad Geraldine McNamara
- Division of Cancer Sciences, School of Medical Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
- Department of Medical Oncology, The Christie NHS Foundation Trust, Manchester, UK
| | - Sarah Theresa O'Dwyer
- Department of Surgery, Colorectal and Peritoneal Oncology Centre (CPOC), The Christie NHS Foundation Trust, Manchester, UK
- Division of Cancer Sciences, School of Medical Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
| | - Hans-Ulrich Laasch
- Department of Radiology, The Christie NHS Foundation Trust, Manchester, UK
- Minnova Medical Foundation CIC, Wilmslow, UK
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Bi Y, Edwards D, Mullan D, Laasch HU. Retrograde Radiological Gastrostomy Technique and Retrograde Stent Placement in a Completely Occluded Cervical Esophagus. Cureus 2021; 13:e14121. [PMID: 33927929 PMCID: PMC8075767 DOI: 10.7759/cureus.14121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Malignant obstruction of the cervical esophagus presents some anatomical and technical challenges when considering radiologic or endoscopic intervention. This case report describes the failure of antegrade access to place a gastrostomy tube and stent due to complete luminal occlusion from an esophageal tumor.
The ultrasound-guided percutaneous gastric puncture was performed to achieve retrograde pneumodistension to allow radiologic gastrostomy insertion. Subsequently, the cervical esophagus was retrogradely cannulated via insertion of a guidewire from the gastrostomy site. A distal release esophageal stent was then inserted over the wire and deployed from the mouth in an antegrade manner. However, due to the unpredictable proximal shortening of distal release stents, this stent was eventually shortened and displaced so that it no longer covered the top of the tumor stricture, and further antegrade access failed. Once more, a retrograde access approach was adopted via the gastrostomy stoma, a guidewire and catheter were passed retrogradely through the original stent and out through the mouth. A distal release stent system was then inserted in a retrograde manner via the gastrostomy stoma, effectively making it a proximal release stent which enabled more precise positioning of the stent above the tumor. Palliation was achieved until death, and beyond expected mean survival.
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Affiliation(s)
- Yixi Bi
- Radiology, The Christie Hospital, Manchester, GBR
| | - Derek Edwards
- Interventional Radiology, The Christie NHS Foundation Trust, Manchester, GBR
| | - Damian Mullan
- Radiology and Interventional Radiology, The Christie NHS Foundation Trust, Manchester, GBR
| | - Hans-Ulrich Laasch
- Radiology and Interventional Radiology, The Christie NHS Foundation Trust, Manchester, GBR
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