BACKGROUND/AIMS: Aortic stenosis (AS) and hypertension are associated with cardiac hypertrophy and aortic dilatation. The effect of their coincidence on the ascending aortic dimensions has not yet been evaluated, and therefore was the aim of our study. METHODS: We performed cross-sectional analysis of history, clinical, angiographic and echocardiographic data of consecutive patients evaluated before surgery for non-rheumatic AS. RESULTS: The study sample included 225 patients (age 68+/-9 years, 60% males), with mean transaortic gradient of 55+/-17 mmHg. Hypertension was present in 153 (68%) patients. The hypertensives had more severe dyspnea (NYHA class 2.2+/-0.9 vs 1.9+/-0.9, p = 0.05) and higher prevalence of coronary artery disease (57% vs 33%, p = 0.001), but did not differ from the normotensives in the ascending aortic dimensions, the left ventricular mass, ejection fraction and remodeling patterns. Wider ascending aortic dimensions were independently associated with bicuspid aortic valve (p<0.001), and with maximal gradient in those with tricuspid aortic valve. Vasodilators were used in 84 (54%) hypertensives. CONCLUSION: We found hypertension in 68% of patients with severe AS. Bicuspid aortic valve and stenosis severity were independent predictors of ascending aortic dimensions, but not the history of hypertension and blood pressure.

• MeSH
• antihypertenziva terapeutické užití   MeSH
• aorta diagnostické zobrazování   patologie   MeSH
• aortální stenóza diagnostické zobrazování   patologie   MeSH
• echokardiografie * MeSH
• hypertenze diagnostické zobrazování   farmakoterapie   patologie   MeSH
• lidé středního věku MeSH
• lidé MeSH
• mitrální chlopeň diagnostické zobrazování   MeSH
• průřezové studie MeSH
• retrospektivní studie MeSH
• senioři MeSH
• Check Tag
• lidé středního věku MeSH
• lidé MeSH
• mužské pohlaví MeSH
• senioři MeSH
• ženské pohlaví MeSH
• Publikační typ
• časopisecké články MeSH
• práce podpořená grantem MeSH
• Názvy látek
• antihypertenziva MeSH

BACKGROUND: Dilatation of the ascending aorta in aortic stenosis may be partly explained by intrinsic wall structure changes, but the relative contribution of altered hemodynamics is unclear. The aim of this study was to assess the association between ascending aortic dimensions and valve stenosis severity. METHODS AND RESULTS: An analysis of echocardiographic examinations was conducted in 296 patients with aortic stenosis (179 males, mean age 71 years), 57 with bicuspid and 239 with tricuspid aortic valve, mean transaortic gradient 43+/-20 mmHg, and not more than moderate aortic regurgitation. Aortic dimensions at the level of annulus, sinuses of Valsalva, sinotubular junction and proximal ascending aorta were measured. Only height (p<0.001), degree of aortic regurgitation (p<0.01) and presence of bicuspid aortic valve (p<0.001) were independent predictors of ascending aortic dimensions. CONCLUSIONS: An independent association between aortic pressure gradients and proximal ascending aortic dimensions was not observed in patients with bicuspid or tricuspid aortic valve stenosis. Therefore, the poststenotic dilatation of the ascending aorta is not explained by aortic stenosis severity itself. Possible nonhemodynamic causes deserve detailed study at the time of diagnosis.

• MeSH
• aorta patologie   patofyziologie   MeSH
• aortální insuficience patofyziologie   MeSH
• aortální stenóza patologie   patofyziologie   MeSH
• dilatace patologická patologie   patofyziologie   MeSH
• echokardiografie MeSH
• krevní tlak MeSH
• lidé středního věku MeSH
• lidé MeSH
• mitrální chlopeň patologie   patofyziologie   MeSH
• prospektivní studie MeSH
• retrospektivní studie MeSH
• rizikové faktory MeSH
• senioři MeSH
• stupeň závažnosti nemoci * MeSH
• trikuspidální stenóza patologie   patofyziologie   MeSH
• Check Tag
• lidé středního věku MeSH
• lidé MeSH
• mužské pohlaví MeSH
• senioři MeSH
• ženské pohlaví MeSH
• Publikační typ
• časopisecké články MeSH
• práce podpořená grantem MeSH
• srovnávací studie MeSH