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Published on: November 18, 2018
Maximum home blood pressure readings are associated with left atrial diameter in essential hypertensives
Toshiki Kaihara1,2, Yuki Imaizumi3, Kazuo Eguchi3
1Department of Cardiology, Tokyo Metropolitan Hiroo Hospital, Tokyo, Japan. m03014tk@jichi.ac.jp.
Abstract:
We tested the hypothesis that the maximum value of home systolic BP (MSBP) is a marker of hypertensive target organ damage (TOD). We conducted a cross-sectional study of 220 hypertensives. The subjects performed HBP monitoring using a telemonitoring system and measured their HBP for 7 days. Mean, maximum, standard deviation, and coefficient of variation of SBPs were used as independent variables. Brachial-ankle pulse wave velocity, left ventricular mass index (LVMI), mean carotid intima-media thickness, and left atrial diameter index (LADI) were used as dependent variables. Mean and maximum SBPs were significantly associated with each TOD marker. MSBP showed a significantly stronger association with LADI compared to mean SBP (p = 0.0012) and a significant relationship with LADI independent of LVMI (p = 0.024). Our findings suggest that MSBP is associated with TOD measures, similar to mean SBP. These results may indicate that MSBP could be a target of intervention for patients with atrial fibrillation.
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