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KMID : 1146220200280030174
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Journal of Cardiovascular Imaging
2020 Volume.28 No. 3 p.174 ~ p.182
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Addition of Amlodipine or Valsartan for Improvement of Diastolic Dysfunction Associated with Hypertension
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Oh Jin-Kyung
Seo Jeong-Sook
Park Yong-Hyun
Park Jae-Hyeong
Lee Seung-Ah
Lee Sah-Min
Kim Dae-Hee
Song Jong-Min
Kang Duk-Hyun
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Abstract
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BACKGROUND: Hypertensive patients are at increased risk of diastolic dysfunction. The hypothesis of this study was that addition of amlodipine would be superior to valsartan in improving diastolic dysfunction associated with hypertension.
METHODS: In this randomized trial, we randomly assigned 104 controlled, hypertensive patients with diastolic dysfunction to receive either amlodipine 2.5 mg or valsartan 40 mg, in addition to antihypertensive therapy. The primary end point was the change in the ratio of early mitral inflow velocity to early mitral annular relaxation velocity (E/E′) from baseline to the 6-month follow-up. Secondary end points included changes in systolic blood pressure (SBP), left ventricular (LV) mass index, and left atrial volume index.
RESULTS: SBP decreased significantly from baseline in both treatment groups (p < 0.001). E/E′ decreased significantly from 13.0 ± 2.2 to 12.0 ± 2.7 in the amlodipine arm and from 14.4 ± 4.3 to 12.7 ± 3.7 in the valsartan arm (p < 0.01 in both groups). The change of E/E′ was not significantly different between treatment groups (p = 0.25). There were also no significant between-group differences regarding the changes in SBP, LV mass index, and left atrial volume index. Two patients (3.8%) in the amlodipine group and 1 (16%) in the valsartan group had serious adverse event.
CONCLUSIONS: In this randomized trial involving controlled hypertensive patients, addition of amlodipine or valsartan was associated with an improvement of diastolic dysfunction, but the effects on diastolic dysfunction did not differ significantly between the treatment groups.
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KEYWORD
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Amlodipine, Valsartan, Diastolic dysfunction, Hypertension
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