Relationship between early diastolic strain rate imaging and left ventricular
geometric patterns in hypertensive patients
- Author(s)
- Hyungseop Kim; Hyun-Ok Cho; Yun-Kyeong Cho; Chang-Wook Nam; Seong-Wook Han; Seung-Ho Hur; Kee-Sik Kim; Yoon-Nyun Kim; Kwon-Bae Kim
- Keimyung Author(s)
- Kim, Hyung Seop; Cho, Yun Kyeong; Nam, Chang Wook; Han, Seong Wook; Hur, Seung Ho; Kim, Kee Sik; Kim, Yoon Nyun; Kim, Kwon Bae
- Department
- Dept. of Internal Medicine (내과학)
- Journal Title
- Heart and Vessels
- Issued Date
- 2008
- Volume
- 23
- Issue
- 4
- Abstract
- Hypertension is an important contributor to different
left ventricular (LV) geometric patterns with resultant
myocardial dysfunction. Strain rate image (SRI) has
been suggested as a useful tool for the evaluation of myocardial
function. The aim of this study was to assess whether
SRI correlates with LV geometric patterns in hypertensive
subjects. Fifty-one hypertensive subjects and 21 healthy
controls were enrolled and examined with conventional
echocardiography including LV mass index (LVMI). Moreover,
tissue Doppler imaging (TDI) and strain or SRI were
obtained in all subjects. The hypertensives were subanalyzed
according to geometric patterns. The hypertensive
subjects were more likely to have enlarged left atrial dimensions,
prolonged decelerating time and isovolumic relaxation
time, and showed a lower TDI of early diastolic mitral
annulus and SRI of early diastolic component (SR-e).
Among hypertensive subjects, there was a signifi cant trend
toward a lower value of SR-e in those with hypertrophy and
SR-e was the lowest in the concentric hypertrophy than
other geometric patterns. In addition, SR-e was associated
most strongly with LVMI of LV other than echoparameters.
The hypertrophic hypertensive subjects showed altered
systolic and/or diastolic function. Moreover, SR-e appeared
to be correlated most with geometric patterns according to
LVMI.
Key words Hypertension · Hypertrophy · Echocardiography
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