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Comparative Study
Journal Article
Research Support, Non-U.S. Gov't
Conservative versus invasive treatment in hypertrophic obstructive cardiomyopathy: an echocardiography study.
AIM AND METHODS: The aim of our study was to compare the development of echocardiographic parameters and functional status of patients with hypertrophic obstructive cardiomyopathy (HOCM) treated conservatively (n = 41) or by alcohol septal ablation (ASA; n = 39).
RESULTS: Left ventricular outflow tract gradient (LVOTG) decreased in the first year by 53.7±36.4 mmHg in ASA group versus 5.5±47.1 mmHg in conservatively treated group (p<0.001), in the third year by 53.1±41.4 mmHg versus 23.9±42.7 mmHg (p = NS) and in the fifth year, the reduction of LVOTG was 52.1±44.5 mmHg in ASA group and 3.0±63.2 mmHg in conservatively treated group (p<0.05).Change in NYHA class in the first year was -1.1±0.4 versus 0.1±0.5, in the third year -1.0±0.6 versus 0.1±0.4 and in the fifth year -0.8±0.5 versus 0.1±0.4 (all p<0.001).
CONCLUSION: Our results showed for the first time that decline of LVOTG after ASA creates a favorable left ventricle remodeling and leads to significant improvement of functional status of HOCM patients in comparison with conservative treatment (Tab. 3, Fig. 2, Ref. 42).
RESULTS: Left ventricular outflow tract gradient (LVOTG) decreased in the first year by 53.7±36.4 mmHg in ASA group versus 5.5±47.1 mmHg in conservatively treated group (p<0.001), in the third year by 53.1±41.4 mmHg versus 23.9±42.7 mmHg (p = NS) and in the fifth year, the reduction of LVOTG was 52.1±44.5 mmHg in ASA group and 3.0±63.2 mmHg in conservatively treated group (p<0.05).Change in NYHA class in the first year was -1.1±0.4 versus 0.1±0.5, in the third year -1.0±0.6 versus 0.1±0.4 and in the fifth year -0.8±0.5 versus 0.1±0.4 (all p<0.001).
CONCLUSION: Our results showed for the first time that decline of LVOTG after ASA creates a favorable left ventricle remodeling and leads to significant improvement of functional status of HOCM patients in comparison with conservative treatment (Tab. 3, Fig. 2, Ref. 42).
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