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(Hypertension. 2003;41:1268.)
© 2003 American Heart Association, Inc.

Scientific Contributions

Symptomatic Aortic Stenosis

Does Systemic Hypertension Play an Additional Role?

Francesco Antonini-Canterin; Guoqian Huang; Eugenio Cervesato; Pompilio Faggiano; Daniela Pavan; Rita Piazza; Gian Luigi Nicolosi

From the Unità Operativa di Cardiologia, ARC, Azienda Ospedaliera S Maria degli Angeli, Pordenone, Italy.

Correspondence to Francesco Antonini-Canterin, MD, Unità Operativa di Cardiologia, ARC, Azienda Ospedaliera S Maria degli Angeli, Via Montereale 24, 33170 Pordenone, Italy. E-mail cardiologia{at}aopn.fvg.it

Hypertension and aortic stenosis represent 2 different models of left ventricular systolic overload. Previous studies have observed different remodeling patterns in these conditions. There is, however, little information about patients with coexisting aortic stenosis and hypertension. Echocardiography was performed in 193 consecutive patients with symptomatic aortic stenosis (113 males, 80 females; mean age, 68±9 years). The prevalence of systemic hypertension was assessed. Left ventricular mass index and relative wall thickness were measured from M-mode echocardiography. Four different left ventricular remodeling patterns were identified: normal remodeling, concentric remodeling, concentric hypertrophy, and eccentric hypertrophy. A history of hypertension was present in 62 patients (32%), whereas 131 patients were normotensive. No significant differences were found between hypertensive and normotensive patients with respect to age, male/female ratio, mean New York Heart Association class, distribution of symptoms, left ventricular systolic and diastolic function, and remodeling patterns. In hypertensive patients, however, symptoms were present with larger aortic valve areas and lower stroke work loss. Systemic hypertension is not rare in patients with symptomatic aortic stenosis (32% in our series). Left ventricular remodeling patterns are quite similar in hypertensive and normotensive aortic stenosis. Our results suggest that symptoms of aortic stenosis develop with larger valve area and lower stroke work loss in hypertensive patients, probably because of the additional overload due to hypertension itself. It could suggest that in patients with coexisting hypertension and aortic stenosis, hypertension should be treated more aggressively to delay the occurrence of symptoms, and these patients should be followed-up more closely.

Key Words: aorta • echocardiography • hypertension, arterial • hypertrophy • remodeling

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