Reference: Buellesfeld y colaboradores (JACC in press). Percutaneous aortic valve replacement (AVR) is an innovative technique for the treatment of severe aortic stenosis (SAS); this technique has been incorporated with great enthusiasm in clinical practice, particularly for patients with excessive surgical risks. Due to the proximity of the aortic valve, AV node and His bundle, there…

Reference: Durand E. et al (JACC CV interventions 2012 in press)1 When percutaneous aortic valve replacement (AVR) first began the procedure required a large-bore sheath (22-24 F), being the most frequent surgical strategy when using general anesthesia. Continuous technological advances achieved the miniaturization of devices which allow the procedure to be performed with a much…