With conventional stenting, predilatation frequently induces dissections that require deploying stents longer than originally planned. To assess whether direct stenting is safe and may prevent dissections and reduce the length of stents implanted, we conducted a randomized study comparing direct (n = 73) and conventional (n = 78) stenting. Direct stenting was successful in 89% of cases, 11% crossed over to predilation without complications. Dissections occurred more frequently in conventional stenting group (10.3% vs. 1.4%; P = 0.034), but did not translate to a significant stent length difference (16.31 +/- 7.6 vs. 15.31 +/- 5.5; P = NS). Periprocedure creatine kinase elevation and number of balloons utilized were lower with direct stenting.
Las manifestaciones más frecuentes de las fugas perivalvulares son la insuficiencia cardíaca (IC) y la hemólisis. Reportamos un caso de cierre de leak perivalvular mitral por vía transapical, en paciente con síntomas de insuficiencia cardíaca que posteriormente desarrolló severa hemólisis secundaria a fuga residual pequeña con jet de alta velocidad y su reintervención posterior por vía transeptal.
La ablación septal alcohólica es una técnica de reducción septal mínimamente invasiva para pacientes con miocardiopatía hipertrófica obstructiva que persisten sintomáticos a pesar del tratamiento farmacológico. Presentamos un caso clínico de ablación septal alcohólica y una descripción de la técnica para un procedimiento efectivo y seguro.
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