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BACKGROUND Risk factors for postoperative heart failure (PHF) have not been specifically studied in valve surgery although it has been acknowledged that patient variables may have a more profound influence on postoperative outcome than valve-related factors. METHODS All patients undergoing isolated aortic valve replacement for aortic stenosis from January(More)
BACKGROUND AND AIM OF THE STUDY Diagnostic procedures continue to contain much hidden information that may substantially improve the understanding of the mechanisms of aortic valve disease and its treatment planning. The study aim, using transesophageal echocardiography (TEE), was to describe in detail the anatomical and physiological properties of the(More)
BACKGROUND Patients suffering from chronic isolated aortic regurgitation have a less favorable outcome than patients with aortic stenosis. According to international recommendations, these patients should undergo surgery as soon as left ventricular function begins to deteriorate, that is, surgery is not to be postponed until clinical symptoms become(More)
BACKGROUND The aim of this study was to evaluate if left ventricular (LV) systolic function by tissue Doppler echocardiography at rest and during exercise preoperatively could predict postoperative LV function and thereby be useful in the timing of aortic valve surgery in patients with severe aortic regurgitation. METHODS In 29 patients (median age, 59(More)
AIMS Knowledge of longitudinal left and right ventricular (LV and RV) function after transcatheter aortic valve implantation (TAVI) is scarce. We hypothesized that the longitudinal systolic biventricular function in aortic stenosis (AS) patients is affected differently by TAVI and surgical aortic valve replacement (SAVR). METHODS AND RESULTS Thirty-three(More)
OBJECTIVES To evaluate longitudinal left and right ventricular function (LVF and RVF) after transcatheter aortic valve implantation (TAVI) as compared to surgical aortic valve replacement (SAVR) and LVF and RVF after TAVI by the transfemoral (TF) or transapical (TA) approach. BACKGROUND Knowledge about differences in recovery of LVF and RVF after TAVI and(More)
OBJECTIVES Ejection fraction (EF) reaction upon exercise by radionuclide ventriculography and standard echocardiographic parameters was evaluated as predictors for post-operative left ventricular (LV) function in chronic aortic regurgitation (AR). BACKGROUND The optimal timing of surgery for chronic AR is when the left ventricle is still compensating for(More)
OBJECTIVE We aimed to investigate if preoperative left ventricular (LV) function assessed by exercise echocardiography could predict late postoperative LV function in aortic regurgitation (AR) patients and to evaluate how LV long-axis function is affected late after aortic valve surgery. DESIGN A total of 21 male chronic AR patients, aged 49 ( 12 ) years,(More)
BACKGROUND Timing of surgery in aortic regurgitation (AR) is important. Exercise testing is recommended upon uncertainty about functional limitations but reports on cardiopulmonary exercise testing (CPET) in populations with pure chronic AR are scarce. METHOD Twenty-eight patients referred for surgery because of chronic AR (13 in NYHA I, 10 in NYHA II and(More)
The myocardium is unable to regenerate itself after infarct, resulting in scarring and thinning of the heart wall. Our objective was to develop a patch to buttress and bypass the scarred area, while allowing regeneration by incorporated cardiac stem/progenitor cells (CPCs). Polycaprolactone (PCL) was fabricated as both sheets by solvent casting, and fibrous(More)