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Intracoronary radiation with a32P source wire

Intrakoronare Bestrahlung mit einem P-32-Draht

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Abstract

The Proliferation Reduction with Vascular Energy Trial (PREVENT) is a prospective randomized study of the safety and efficacy of intracoronary brachytherapy to reduce restenosis. A β-emitter,32P, is embedded on a wire tip and delivered to the target site through a centering catheter immediately following a coronary intervention. The radiation doses are 16, 20, and 24 Gy measured at 1 mm within the vessel wall. Follow-up includes an angiogram and IVUS at 6 months. Phase I of this trial has been completed with results expected in early 1999.

Zusammenfassung

Die PREVENT-Studie (Proliferation Reduction with Vascular Energy Trial) ist eine prospektive, randomisierte Studie zur Überprüfung der Sicherheit und Wirksamkeit der intrakoronaren Brachytherapie zur Reduktion der Restenose. Der Betastrahler (Phosphor 32) befindet sich in der Drahtspitze und wird zur vorher dilatierten Koronarläsion über einen zentrierenden Katheter vorgebracht. Die verabreichten Dosierungen sind 16, 20 und 24 Gy, gemessen im Abstand von 1 mm in der Gefäßwand. Die Kontrolluntersuchungen beinhalten eine Angiographie und intravasalen Ultraschall (IVUS) sechs Monate nach der Intervention. Die Phase I dieser Studie ist abgeschlossen, die Ergebnisse werden im Frühjahr 1999 erwartet.

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References

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Lee, D.P., Lo, S., Forster, K.M. et al. Intracoronary radiation with a32P source wire. Herz 23, 362–365 (1998). https://doi.org/10.1007/BF03043601

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  • DOI: https://doi.org/10.1007/BF03043601

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