European heart journal cardiovascular Imaging
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Eur Heart J Cardiovasc Imaging · Jan 2018
Randomized Controlled Trial Multicenter Study Comparative StudyDifferences in left ventricular remodelling in patients with aortic stenosis treated with transcatheter aortic valve replacement with corevalve prostheses compared to surgery with porcine or bovine biological prostheses.
Patients with severe aortic stenosis (AS) can be considered for treatment with either transcatheter (TAVR) or surgical aortic valve replacement (SAVR). The purpose of this study was to compare left ventricular (LV) remodeling in patients with AS after treatment with TAVR or SAVR. ⋯ Patients undergoing SAVR had a larger LV mass regression at 1 year compared with patients undergoing TAVR, which may be due to increasing amounts of PVL and pacemakers in the TAVR group.
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Eur Heart J Cardiovasc Imaging · Jan 2018
Comparative StudyUpright treadmill vs. semi-supine bicycle exercise echocardiography to provoke obstruction in symptomatic hypertrophic cardiomyopathy: a pilot study.
Recent findings regarding hypertrophic cardiomyopathy (HCM) haemodynamics emphasized the relationship between symptoms, left ventricular outflow tract obstruction (LVOTO), and the preload condition as the venous return level. As various types of exercises have different effects on peripheral vascular beds, this study sought to compare upright treadmill exercise echocardiography (EE) to semi-supine bicycle EE in maximum provoked LVOTO in HCM patients. ⋯ This pilot study may suggest treadmill's greater value compared to semi-supine bicycle EE for determining maximum LVOT gradient in HCM.