Eventos cardiovasculares major após intervenção coronária percutânea com balão eluidor de fármaco: Resultados a um ano de um registo prospetivo multicêntrico
Revista Portuguesa de Cardiologia, ISSN: 0870-2551, Vol: 32, Issue: 5, Page: 361-369
2013
- 11Citations
- 1Captures
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Metrics Details
- Citations11
- Citation Indexes9
- CrossRef4
- Policy Citations2
- Policy Citation2
- Captures1
- Readers1
Article Description
A intervenção coronária percutânea (ICP) com balão eluidor de fármaco (DEB) tem vindo a ser utilizada no tratamento da reestenose intra- stent (RIS) e na doença coronária de pequenos vasos. O objetivo foi avaliar a eficácia clínica desta estratégia num registo multicêntrico. Registo prospetivo de 2 centros com 156 doentes (dts) consecutivos incluídos, entre 2009 e 2010, submetidos a ICP com pelo menos um balão DEB. Definiu-se como endpoint primário a ocorrência combinada (MACE) de todas as causas de morte, EAM e revascularização da lesão alvo (TLR) a um ano de seguimento. Determinou-se os preditores independentes de prognóstico através da análise de regressão de Cox. Foram tratadas 184 lesões com 206 DEB. O sucesso do procedimento foi obtido em 98% (150 dts). A um ano de seguimento, a sobrevida livre de endpoint composto ocorreu em 134 dts e foi de 86% (morte em 6%, EAM em 6% e TLR em 5%). Os preditores independentes de MACE foram a ICP na artéria descendente anterior (HR 2,81, 95% IC 1,21-6,51, p = 0,02) e história prévia de EAM (HR 3,46, 95% IC 1,35-8,84, p = 0,01). O diâmetro ou comprimento do DEB e a RIS não foram preditores de eventos. A ICP com DEB em dts do mundo real e neste cenário complexo de lesões é eficaz com baixa taxa de MACE a um ano de seguimento, incluindo TLR. Os resultados são igualmente bons se a intervenção é no contexto de RIS ou na doença coronária de novo. Percutaneous coronary intervention (PCI) with paclitaxel drug-eluting balloons (DEBs) is used mainly for treatment of in-stent restenosis (ISR) and small vessel disease. Our objective was to evaluate the clinical efficacy of this strategy in a multicenter registry. Between 2009 and 2010 a prospective registry from two centers enrolled 156 consecutive patients undergoing PCI with at least one DEB. A primary composite endpoint of major adverse cardiac events (MACE) (all-cause death, myocardial infarction [MI] and target lesion revascularization [TLR]) was assessed at one-year follow-up. Stepwise Cox regression was used to determine independent predictors of outcome. DEBs (n=206) were used to treat 184 lesions. Procedural success was obtained in 98% of patients (n=150). At one-year follow-up, 86% (n=134) were free of the primary endpoint (6% death, 6% non-procedure related MI and 5% TLR). The independent predictors of MACE at one year were index PCI in the left anterior descending artery (HR 2.81, 95% CI 1.21-6.51; p=0.02) and a history of MI (HR 3.46, 95% CI 1.35-8.84; p=0.01). ISR and DEB diameter or length were not predictors of events. PCI with DEBs in real-world patients with complex lesions is effective, with a low rate of MACE, including TLR, at one-year follow-up. The results are equally good whether the intervention is for ISR or for native coronary disease.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0870255112003332; http://dx.doi.org/10.1016/j.repc.2012.09.006; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84880175143&origin=inward; http://www.ncbi.nlm.nih.gov/pubmed/23601968; https://linkinghub.elsevier.com/retrieve/pii/S0870255112003332; https://dx.doi.org/10.1016/j.repc.2012.09.006
Elsevier BV
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