PMID: 15253103Jul 16, 2004Paper

Association of QT interval with blood pressure in 80-year-old subjects

Hypertension Research : Official Journal of the Japanese Society of Hypertension
Kiyoshi MatsumuraMitsuo Iida

Abstract

Few data are available on the association between the prolonged heart rate-adjusted QT (QTc) interval and high blood pressure in elderly individuals, particularly in subjects over 80 years old. The aim of the present study was to determine the association between the QTc interval and blood pressure in 80-year-old subjects. This study was part of the 8020 Data Bank Survey, which was designed to collect the baseline data of systemic and dental health conditions in 80-year-old subjects. We studied the cross-sectional association of the QTc interval with blood pressure in 642 Japanese (257 men and 385 women), all 80 years old. Mean systolic blood pressure (SBP) rose from 146.0 mmHg in the first quartile of QTc interval to 149.1 mmHg in the second, 154.6 mmHg in the third, and 152.3 mmHg in the fourth quartile (test for trend, p=0.008). Mean diastolic blood pressure (DBP) also rose from 76.9 mmHg in the first quartile of QTc interval to 77.7 mmHg in the second, 81.8 mmHg in the third, and 79.0 mmHg in the fourth quartile (test for trend, p=0.003). We performed multiple regression analysis, controlling for factors known to influence the QTc intervals-e.g., SBP, heart rate, sex, and left ventricular hypertrophy assessed by the voltage...Continue Reading

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Citations

Oct 16, 2008·Clinical and Experimental Hypertension : CHE·Jan KlimasLjuba Bacharova
Jul 16, 2013·Clinical and Experimental Hypertension : CHE·Mehmet Demir, Umut Uyan
Jun 2, 2007·Hypertension Research : Official Journal of the Japanese Society of Hypertension·Katsuaki MiyajimaHisayoshi Fujiwara
Jul 31, 2019·BioMed Research International·Guo-Zhe SunYing-Xian Sun
Mar 14, 2017·The Journal of Clinical Pediatric Dentistry·Fundagül Bilgiç, İbrahim Erhan Gelgör
Feb 2, 2021·Canadian Journal of Physiology and Pharmacology·Ramkumar JayanthiArchana Gaur

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