Background: Valvular heart disease (VHD) is an important cause of mortality and morbidity and has been subject to important changes in management. The VHD II survey was designed by the EURObservational Research Programme of the European Society of Cardiology to analyze actual management of VHD and to compare practice with guidelines. Methods: Patients with severe native VHD or previous valvular intervention were enrolled prospectively across 28 countries over a 3-month period in 2017. Indications for intervention were considered concordant if the intervention was performed or scheduled in symptomatic patients, corresponding to Class I recommendations specified in the 2012 European Society of Cardiology and in the 2014 American Heart Association/American College of Cardiology VHD guidelines. Results: A total of 7247 patients (4483 hospitalized, 2764 outpatients) were included in 222 centers. Median age was 71 years (interquartile range, 62–80 years); 1917 patients (26.5%) were ≥80 years; and 3416 were female (47.1%). Severe native VHD was present in 5219 patients (72.0%): aortic stenosis in 2152 (41.2% of native VHD), aortic regurgitation in 279 (5.3%), mitral stenosis in 234 (4.5%), mitral regurgitation in 1114 (21.3%; primary in 746 and secondary in 368), multiple left-sided VHD in 1297 (24.9%), and right-sided VHD in 143 (2.7%). Two thousand twenty-eight patients (28.0%) had undergone previous valvular intervention. Intervention was performed in 37.0% and scheduled in 26.8% of patients with native VHD. The decision for intervention was concordant with Class I recommendations in symptomatic patients with severe single left-sided native VHD in 79.4% (95% CI, 77.1–81.6) for aortic stenosis, 77.6% (95% CI, 69.9–84.0) for aortic regurgitation, 68.5% (95% CI, 60.8–75.4) for mitral stenosis, and 71.0% (95% CI, 66.4–75.3) for primary mitral regurgitation. Valvular interventions were performed in 2150 patients during the survey; of them, 47.8% of patients with single left-sided native VHD were in New York Heart Association class III or IV. Transcatheter procedures were performed in 38.7% of patients with aortic stenosis and 16.7% of those with mitral regurgitation. Conclusions: Despite good concordance between Class I recommendations and practice in patients with aortic VHD, the suboptimal number in mitral VHD and late referral for valvular interventions suggest the need to improve further guideline implementation.

Echo-guided alcohol septal ablation (ASA) is an alternative treatment for highly symptomatic patients with obstructive hypertrophic cardiomyopathy (HOCM). Previous reports suggest that a low dose of alcohol (1.5-2 ml) is as effective as the classic dose (2-4 ml) used in the past. Because a larger infarct might be associated with a potential long-term risk, in this pilot study we wanted to determine whether an ultra-low dose of alcohol (1 ml) would be effective in the mid-term follow-up. Seventy patients (55+/-13 years, range 24-81 years, septum thickness <31 mm) with a highly symptomatic HOCM receiving maximum medical therapy were enrolled. Thirty-five consecutive patients (group I) have been treated with an ultra-low alcohol dose (1.0+/-0.1 ml) and compared with a control group II of 35 patients treated by the same medical team using the classic alcohol dose (2.5+/-0.8 ml) in the past. At 6-month follow-up, both groups of patients improved in dyspnea (2.9+/-0.6 vs 1.5+/-0.5 New York Heart Association [NYHA] class for group I; P<0.01, and 2.5+/-0.7 vs 1.4+/-0.4 NYHA class for group II; P<0.01) and angina (2.1+/-1 vs 0.6+/-0.8 Canadian Cardiovascular Society [CCS] class for group I; P<0.01, and 2.1+/-0.9 vs 0.7+/-0.7 CCS class for group II; P<0.01). There was a significant decrease in left ventricular (LV) ejection fraction (P<0.05), septum thickness (P<0.01), and LV outflow gradient (P<0.01) in both groups of patients. However, there was no significant difference with regard to the extent of symptomatic or echocardiographic changes and complications between both groups. These results suggest that the ultra-low dose of alcohol (1 ml) is still effective in the treatment of the majority of HOCM patients without extreme septum hypertrophy (<31 mm).

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