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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| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2025-08-01
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| Series: | Radiology Case Reports |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S1930043325003711 |
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| Summary: | 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. |
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| ISSN: | 1930-0433 |