Beta-blocker stress echocardiography in an aortic stenosis patient with associated left ventricular outflow tract obstruction.
An 80-year-old man visited our hospital because of dyspnea on exertion from 6 months ago. Echo Doppler study showed severe calcification in the aortic valve with restricted movement and the sigmoid septum causing obstruction at the LV outflow tract (LVOT). Considering the aortic valve area (AVA) might have been inaccurately estimated, we carried out beta-blocker stress echocardiography. The transaortic pressure gradient and AVA were respectively calculated as 52 mmHg and 0.90 cm(2) before propranolol administration and as 64 mmHg and 0.86 cm(2) after propranolol administration. Thus, beta-blocker stress echocardiography may provide an accurate assessment of AS if the LVOT obstruction is concomitant.
Cardiovascular Division, Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya, Hyogo, Japan.
Masataka
M
Sugahara
Cardiovascular Division, Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya, Hyogo, Japan.
Akiko
A
Goda
Cardiovascular Division, Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya, Hyogo, Japan.
Mitsuru
M
Masaki
Cardiovascular Division, Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya, Hyogo, Japan.
Ayumi
A
Nakabo
Cardiovascular Division, Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya, Hyogo, Japan.
Shohei
S
Fujiwara
Cardiovascular Division, Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya, Hyogo, Japan.
Miho
M
Fukui
Cardiovascular Division, Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya, Hyogo, Japan.
Kanako
K
Itohara
Cardiovascular Division, Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya, Hyogo, Japan.
Shinichi
S
Hirotan
Cardiovascular Division, Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya, Hyogo, Japan.
Kazuo
K
Komamura
Cardiovascular Division, Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya, Hyogo, Japan.
Masaaki
M
Kawabata-Lee
Department of Pharmacy, School of Pharmacy, Hyogo University of Health Science, Kobe, Japan.
Takeshi
T
Tsujino
Cardiovascular Division, Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya, Hyogo, Japan. masuyama@hyo-med.ac.jp.
Tohru
T
Masuyama
Aortic stenosis; Beta-blocker; Echo Doppler; Sigmoid septum; Stress echocardiography