Korean Circ J.  1997 Jul;27(7):712-720. 10.4070/kcj.1997.27.7.712.

The Cprrelation between LVH, LV Function and 24-hour Ambulatory Blood Pressure Monitoring in Patients with Newly Diagnosed Hypertension

Abstract

BACKGROUND
Left ventricular hypertrophy is one of the major cardiovascular risk factors. So it is generally thought to be a predictor of complication and prognosis of hypertension. The 24-hour noninvasive ambulatory blood pressure monitoring (ABP) has been shown to be superior to office BP inpredicting target organ involvement in patients with hypertension and assessing antihypertensivve therapy. To determine the correlation between blood pressure and left ventricular hypertrophy in patients with newly diaggnosed systemic hypertension, we evaluate blood pressure by 24-hour ABP, office BP and echocardiiographic parameters of left ventricular hypertrophy.
METHODS
From january 1995 to September 1995, in 22 patients with untreated essential hypertension who were diagnosed recently (within 1 month). They were studied by 24-hour noninvasive ambulatory blood pressure monitoring and cross sectional, M-mode and pulsed Doppler echocardiography for examining the relation between ABP and echocardiographic parameters. In the present study, we divided the oatuebts by two groups; white-coat hypertensive group and sustained hypertensive group.
RESULTS
1) Among the 22 patients who were diagnosed by office blood pressure, the white-coat hypertension was in 7 cases (31.8%) and sustained hypertension was 15 cases (68.2%). 2) In sustained hypertensive group, LV mass, LV mass index and relative posterior septal wall thickness were significantly increased compared with white-cost hypertensive group. 3) 24-hour ABP and systolic BP and loading % were significantly correlated with relative posterior septal wall thickness (p<0.05).
CONCLUSION
In patients with newly diagnosed hypertension (especially with sustained hypertension), there was left ventricular hypertrophy expressed by increasing of LV mass, LV mass index, and relative posterior septal wall thickness. And, there were close correlation between 24-hour ABP monitoring-especially systolic BP and loading % of systolic BP and LVH.

Keyword

24-hour ambulatory blood pressure monitoring; LVH; Hypertension

MeSH Terms

Blood Pressure
Blood Pressure Monitoring, Ambulatory*
Echocardiography
Echocardiography, Doppler, Pulsed
Humans
Hypertension*
Hypertrophy, Left Ventricular
Prognosis
Risk Factors
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