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KMID : 1812120210270010016
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Clinical Hypertension
2021 Volume.27 No. 1 p.16 ~ p.16
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Morning blood pressure surge in the early stage of hypertensive patients impacts three-dimensional left ventricular speckle tracking echocardiography
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Kwon A-Mi
Ihm Sang-Hyun
Park Chan-Seok
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Abstract
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Background: The aim of this study was to examine left ventricular (LV) function in untreated, newly diagnosed hypertensive patients with morning blood pressure surge (MBPS) status using three-dimensional (3D) speckle tracking echocardiography (STE).
Methods: In this study, 163 newly diagnosed hypertensive patients were included, and all patients underwent 24-h ambulatory blood pressure monitoring (ABPM). According to ABPM, participants were divided into a MBPS group and a non-MBPS group. The entire study population was examined by complete two-dimensional (2D) transthoracic echocardiography (TTE) and 3D STE.
Result: The results of this study showed that 3D LV longitudinal strain was significantly decreased in the MBPS group compared with the non-MBPS group (??30.1?±?2.0 vs. -31.1?±?2.7, p?=?0.045). Similar trends were observed for 3D twist (9.6?±?6.1 vs. 12.1?±?4.8, p?=?0.011) as well as for 3D torsion (1.23?±?0.78 vs. 1.49?±?0.62, p?=?0.042). The LV principal strain was decreased in the MBPS group (??33.9?±?1.7 vs. -35.5?±?2.8, p?
Conclusion: The 3D STE revealed that LV mechanics were more impaired in the MBPS group than in the non-surge newly diagnosed, untreated hypertensive patients; even the 2D TTE parameters showed no difference.
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KEYWORD
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Blood pressure, Ambulatory blood pressure monitoring, Three dimensional echocardiography, Speckle tracking echocardiography, Left ventricular deformation
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