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  5. Efecto del armazón bioabsorbible liberador de everolimus en la aterosclerosis coronaria

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Article
Spanish; Castilian
2015

Efecto del armazón bioabsorbible liberador de everolimus en la aterosclerosis coronaria

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Spanish; Castilian
2015
Revista Española de Cardiología
Vol 69 (2)
DOI: 10.1016/j.recesp.2015.07.031

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Patrick W. Serruys
Patrick W. Serruys

Imperial College London

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Carlos M. Campos
Héctor M. García‐García
Takashi Muramatsu
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Abstract

Introducción y objetivos Se ha demostrado que el armazón vascular bioabsorbible Absorb produce una disminución del área total de las placas en el segmento tratado. Sin embargo, no se sabe si el tamaño de la placa se modifica tan solo en los segmentos tratados con armazones o si la modificación se extiende también a otros segmentos coronarios. Métodos El Absorb Cohort A es un estudio prospectivo de un solo grupo, en el que se evalúan variables de valoración de seguridad y de resultados en exploraciones de imagen en 30 pacientes tratados mediante intervención coronaria percutánea con el armazón vascular bioabsorbible Absorb de primera generación. Se utilizaron exploraciones de tomografía computarizada multicorte no invasivas de 18 pacientes a los 18 meses y a los 5 años de seguimiento. El presente estudio es una comparación intraindividual de segmentos de características comparables (normalizados respecto a la longitud del segmento) de la región tratada con armazones frente a segmentos no tratados, en la que se evaluó el volumen de la luz vascular, el volumen del vaso, el volumen de las placas, la carga de placa y el cambio porcentual en el volumen de ateroma de las placas. Resultados Se pudo analizar los 18 segmentos tratados con armazones. De los segmentos a los que no se aplicó la intervención, 1 de un total de 72 presentó un artefacto de movimiento y fue excluido. La comparación de exploraciones secuenciales puso de manifiesto que los segmentos tratados con armazones no presentaban un cambio significativo de la carga media de placas, el volumen total de ateroma, el volumen total de la luz o el volumen del vaso entre los 18 meses y los 5 años. En cambio, los segmentos no tratados mostraban un aumento significativo de la carga de placa (2,7 ± 6,5%; p < 0,01) y los volúmenes de placas normalizados (8,0 ± 22,8mm3; p < 0,01). Esto dio lugar a una diferencia significativa en la carga de placa entre los segmentos tratados con armazones y los no tratados (p = 0,03). Conclusiones En esta pequeña serie, el armazón vascular bioabsorbible Absorb mostró potencial de aportar un beneficio adicional al del tratamiento farmacológico en cuanto a la reducción local de la progresión en el porcentaje de carga de placa. Se deberá confirmar estos resultados en estudios más amplios. Introduction and objectives The Absorb bioresorbable vascular scaffold has been shown to decrease total plaque areas in the treated segment. However, it is unknown whether plaque size is modified in scaffolded segments only or whether the modification extends to other coronary segments. Methods Absorb Cohort A is a single-arm, prospective study, with safety and imaging endpoints, in which 30 patients underwent percutaneous coronary intervention with the first generation Absorb bioresorbable vascular scaffold. Noninvasive multislice computed tomography imaging was performed in 18 patients at 18 months and 5 years of follow-up. The present study was an intrapatient comparison of matched segments (normalized by the segment length) of the scaffolded region with nonintervened segments for lumen volume, vessel volume, plaque volume, plaque burden, and percent change in plaque atheroma volume. Results All 18 scaffolded segments could be analyzed. In the nonintervened segments, 1 of 72 segments had a motion artifact and was excluded. Serial comparison showed that the scaffolded segments showed no significant change in the mean plaque burden, total atheroma volume, total lumen volume, or vessel volume between 18 months and 5 years. Conversely, the untreated segments showed a significant increase in plaque burden (2.7 ± 6.5%; P < .01) and normalized plaque volumes (8.0 ± 22.8mm3; P < .01). This resulted in a significant difference in plaque burden between scaffolded and nonintervened segments (P = .03). Conclusions In this small series, the Absorb bioresorbable vascular scaffold showed the potential to provide an additional benefit to pharmacological therapy in locally reducing progression of percent plaque burden. These findings need to be confirmed in larger studies. Full English text available from: www.revespcardiol.org/en

How to cite this publication

Carlos M. Campos, Héctor M. García‐García, Takashi Muramatsu, Pedro de Araújo Gonçalves, Yoshinobu Onuma, Dariusz Dudek, Leif Thuesen, Mark Webster, Pieter Kitslaar, Susan Veldhof, Johan H. C. Reiber, Koen Nieman, John A. Ormiston, Patrick W. Serruys (2015). Efecto del armazón bioabsorbible liberador de everolimus en la aterosclerosis coronaria. Revista Española de Cardiología, 69(2), pp. 109-116, DOI: 10.1016/j.recesp.2015.07.031.

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Publication Details

Type

Article

Year

2015

Authors

14

Datasets

0

Total Files

0

Language

Spanish; Castilian

Journal

Revista Española de Cardiología

DOI

10.1016/j.recesp.2015.07.031

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