Case series: Occlusion using gelatin sponge in modified coil-assisted retrograde transvenous obliteration (Og-CARTO) for the treatment of portal hypertensive varices
We present occlusion using gelatin sponge in modified coil-assisted retrograde transvenous obliteration (Og-CARTO), a novel technique based on CARTO that incorporates gelatin sponge for variceal obliteration. This technique uses 2 microcatheters: 1 for sparse coil embolization in the efferent vein a...
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| Format: | Article |
| Language: | English |
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Elsevier
2025-08-01
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| Series: | Radiology Case Reports |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S1930043325003711 |
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| author | Shin Chibana Hiroyuki Sakakibara Sota Oguro Takuma Usuzaki Hiroki Kamada Hiromitsu Tannai Kei Takase |
| author_facet | Shin Chibana Hiroyuki Sakakibara Sota Oguro Takuma Usuzaki Hiroki Kamada Hiromitsu Tannai Kei Takase |
| author_sort | Shin Chibana |
| collection | DOAJ |
| description | We present occlusion using gelatin sponge in modified coil-assisted retrograde transvenous obliteration (Og-CARTO), a novel technique based on CARTO that incorporates gelatin sponge for variceal obliteration. This technique uses 2 microcatheters: 1 for sparse coil embolization in the efferent vein and the other to inject large gelatin sponge particles (5-mm squares) into the varices, facilitating controlled blood flow stagnation prior to sclerosant administration. By eliminating prolonged balloon occlusion, Og-CARTO simplifies the procedure and reduces procedural burden. We successfully applied this technique in three cases with varying variceal anatomies, achieving complete thrombosis without significant complications. Og-CARTO provides a practical, cost-effective alternative when balloon occlusion is challenging and shows potential for broader clinical application. |
| format | Article |
| id | doaj-art-7ac918fe74f64a32b9ca5c5528f93080 |
| institution | OA Journals |
| issn | 1930-0433 |
| language | English |
| publishDate | 2025-08-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Radiology Case Reports |
| spelling | doaj-art-7ac918fe74f64a32b9ca5c5528f930802025-08-20T02:30:55ZengElsevierRadiology Case Reports1930-04332025-08-012083666367410.1016/j.radcr.2025.04.073Case series: Occlusion using gelatin sponge in modified coil-assisted retrograde transvenous obliteration (Og-CARTO) for the treatment of portal hypertensive varicesShin Chibana0Hiroyuki Sakakibara1Sota Oguro2Takuma Usuzaki3Hiroki Kamada4Hiromitsu Tannai5Kei Takase6Department of Diagnostic Radiology, Tohoku University Hospital, Sendai, JapanDepartment of Diagnostic Radiology, Tohoku University Hospital, Sendai, JapanCorresponding author.; Department of Diagnostic Radiology, Tohoku University Hospital, Sendai, JapanDepartment of Diagnostic Radiology, Tohoku University Hospital, Sendai, JapanDepartment of Diagnostic Radiology, Tohoku University Hospital, Sendai, JapanDepartment of Diagnostic Radiology, Tohoku University Hospital, Sendai, JapanDepartment of Diagnostic Radiology, Tohoku University Hospital, Sendai, JapanWe present occlusion using gelatin sponge in modified coil-assisted retrograde transvenous obliteration (Og-CARTO), a novel technique based on CARTO that incorporates gelatin sponge for variceal obliteration. This technique uses 2 microcatheters: 1 for sparse coil embolization in the efferent vein and the other to inject large gelatin sponge particles (5-mm squares) into the varices, facilitating controlled blood flow stagnation prior to sclerosant administration. By eliminating prolonged balloon occlusion, Og-CARTO simplifies the procedure and reduces procedural burden. We successfully applied this technique in three cases with varying variceal anatomies, achieving complete thrombosis without significant complications. Og-CARTO provides a practical, cost-effective alternative when balloon occlusion is challenging and shows potential for broader clinical application.http://www.sciencedirect.com/science/article/pii/S1930043325003711Balloon-occluded retrograde transvenous obliterationCoil-assisted retrograde transvenous obliterationGelatin sponge in modified coil-assisted retrograde transvenous obliteration |
| spellingShingle | Shin Chibana Hiroyuki Sakakibara Sota Oguro Takuma Usuzaki Hiroki Kamada Hiromitsu Tannai Kei Takase Case series: Occlusion using gelatin sponge in modified coil-assisted retrograde transvenous obliteration (Og-CARTO) for the treatment of portal hypertensive varices Radiology Case Reports Balloon-occluded retrograde transvenous obliteration Coil-assisted retrograde transvenous obliteration Gelatin sponge in modified coil-assisted retrograde transvenous obliteration |
| title | Case series: Occlusion using gelatin sponge in modified coil-assisted retrograde transvenous obliteration (Og-CARTO) for the treatment of portal hypertensive varices |
| title_full | Case series: Occlusion using gelatin sponge in modified coil-assisted retrograde transvenous obliteration (Og-CARTO) for the treatment of portal hypertensive varices |
| title_fullStr | Case series: Occlusion using gelatin sponge in modified coil-assisted retrograde transvenous obliteration (Og-CARTO) for the treatment of portal hypertensive varices |
| title_full_unstemmed | Case series: Occlusion using gelatin sponge in modified coil-assisted retrograde transvenous obliteration (Og-CARTO) for the treatment of portal hypertensive varices |
| title_short | Case series: Occlusion using gelatin sponge in modified coil-assisted retrograde transvenous obliteration (Og-CARTO) for the treatment of portal hypertensive varices |
| title_sort | case series occlusion using gelatin sponge in modified coil assisted retrograde transvenous obliteration og carto for the treatment of portal hypertensive varices |
| topic | Balloon-occluded retrograde transvenous obliteration Coil-assisted retrograde transvenous obliteration Gelatin sponge in modified coil-assisted retrograde transvenous obliteration |
| url | http://www.sciencedirect.com/science/article/pii/S1930043325003711 |
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