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Electrocardiographic tracking of left ventricular hypertrophy in hypertension: incidence and prognostic outcomes from the SPRINT trial

Hu Zhao|Zhang Zhuxin|Li Le|Zhang Zhenhao|Xiong Yulong|Zhou Likun|Yao Yan
대한고혈압학회 (The Korean Society of Hypertension)|2024.01|Clinical Hypertension|제30권 |pp. 17-17|DOI 10.1186/s40885-024-00275-8

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키워드

HypertensionLeft ventricular hypertrophyIntensive blood pressure loweringSPRINT tria

초록

This study explores the impact of intensive blood pressure (BP) control on left ventricular hypertrophy (LVH) incidence and evaluates the prognostic implications of LVH status (pre-existing/new-onset/persistent/regression) using Systolic Blood Pressure Intervention Trial (SPRINT) Electrocardiogram Data.Poisson regression was used to assess new-onset LVH and LVH regression rates. Multivariable-adjusted Cox proportional hazard models determined the risk of adverse cardiovascular events (ACE), a composite of myocardial infarction (MI), non-MI acute coronary syndrome, stroke, heart failure, or cardiovascular death, alongside safety adverse events. In 8,016 participants, intensive BP control significantly reduced new-onset LVH (8.27 vs. 14.79 per 1000-person years; adjusted p <0.001) and increased LVH regression (14.89 vs. 11.89 per 1000-person years; adjusted p <0.001). Elevated ACE risk was notable in participants with pre-existing LVH [adjusted HR: 1.94 (95% CI: 1.25–2.99); p = 0.003], new-onset LVH [adjusted 1.74 (95% CI: 1.16–2.60); p = 0.007], and persistent LVH[adjusted HR: 1.96 (95% CI: 1.11–3.46); p = 0.020], compared to those without LVH. Intriguingly, LVH regression attenuated this risk increment [adjusted HR: 1.57 (95% CI: 0.98–2.53); p = 0.062]. Achieving a BP target of < 120/80 mmHg nullified the increased ACE risk in those with pre-existing LVH. Intensive BP control is instrumental in both reducing the emergence of LVH and fostering its regression. Pre-existing, new-onset LVH and persistent LV remain a predictor of adverse cardiovascular prognosis, whereas LVH regression and achieving on-treatment BP < 120/80 mmHg in pre-existing LVH individuals may further mitigate residual cardiovascular risk.URL: ClinicalTrials.gov Unique Identifier: NCT01206062.

Abstract

Background This study explores the impact of intensive blood pressure (BP) control on left ventricular hypertrophy (LVH) incidence and evaluates the prognostic implications of LVH status (pre-existing/new-onset/persistent/ regression) using Systolic Blood Pressure Intervention Trial (SPRINT) Electrocardiogram Data. Methods Poisson regression was used to assess new-onset LVH and LVH regression rates. Multivariable-adjusted Cox proportional hazard models determined the risk of adverse cardiovascular events (ACE), a composite of myocardial infarction (MI), non-MI acute coronary syndrome, stroke, heart failure, or cardiovascular death, alongside safety adverse events. Results In 8,016 participants, intensive BP control significantly reduced new-onset LVH (8.27 vs. 14.79 per 1000-person years; adjusted p<0.001) and increased LVH regression (14.89 vs. 11.89 per 1000-person years; adjusted p<0.001). Elevated ACE risk was notable in participants with pre-existing LVH [adjusted HR: 1.94 (95% CI: 1.25–2.99); p=0.003], new-onset LVH [adjusted 1.74 (95% CI: 1.16–2.60); p=0.007], and persistent LVH[adjusted HR: 1.96 (95% CI: 1.11–3.46); p=0.020], compared to those without LVH. Intriguingly, LVH regression attenuated this risk increment [adjusted HR: 1.57 (95% CI: 0.98–2.53); p=0.062]. Achieving a BP target of <120/80 mmHg nullified the increased ACE risk in those with pre-existing LVH. Conclusions Intensive BP control is instrumental in both reducing the emergence of LVH and fostering its regression. Pre-existing, new-onset LVH and persistent LV remain a predictor of adverse cardiovascular prognosis, whereas LVH regression and achieving on-treatment BP<120/80 mmHg in pre-existing LVH individuals may further mitigate residual cardiovascular risk.

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