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Published on: May 3, 2018
Hidden Cardiovascular Risk: Arterial Stiffness and Left Ventricular Remodeling as Potential Indicators of Masked
Chengjie Zhu1, Yanna Lei1, Vipin Kumar2
1Intensive Care Unit, Yanbian University Hospital, Yanji, Jilin, P.R. China.
Insights
Masked hypertension (MH), a condition with normal office blood pressure but high out-of-office readings, poses significant cardiovascular risks. Early detection using cardiac-ankle vascular index (CAVI) and cardiac assessments can identify at-risk individuals.
Area of Science:
- Cardiology
- Vascular Medicine
- Hypertension Research
Background:
- Masked hypertension (MH) presents normal office blood pressure (OBP) with elevated out-of-office readings.
- MH carries cardiovascular risks similar to sustained hypertension, yet is challenging to diagnose.
- Emerging evidence suggests combined vascular and cardiac assessments can aid MH detection.
Purpose of the Study:
- To review evidence on screening for masked hypertension.
- To highlight the utility of combined vascular and cardiac assessments for MH detection.
- To propose a screening strategy for earlier MH identification.
Main Methods:
- Review of emerging evidence on masked hypertension screening.
- Analysis of findings from the PAMELA study on combined vascular and cardiac assessments.
- Evaluation of cardiac-ankle vascular index (CAVI) as a screening parameter.
Main Results:
- Patients with elevated CAVI and left ventricular hypertrophy (LVH) or concentric remodeling showed a 2.3-fold increased risk of MH.
- This association was particularly noted in men and was independent of age and antihypertensive treatment.
- CAVI demonstrated advantages in screening due to measurement stability and prognostic value.
Conclusions:
- A stepwise screening approach using CAVI followed by echocardiography may facilitate earlier MH detection in at-risk patients.
- Timely intervention based on early MH detection can potentially reduce cardiovascular morbidity and mortality.
- Further validation and cost-effectiveness analyses are needed for the proposed screening strategy.
Abstract:
Masked hypertension (MH), characterized by normal office blood pressure (OBP) but elevated out-of-office readings, carries significant cardiovascular risks comparable to those of sustained hypertension, but remains difficult to detect in clinical practice. This review examines the emerging evidence on screening for MH, highlighting recent findings from the PAMELA study demonstrating the clinical utility of combined vascular and cardiac assessments for the detection of MH. Particularly noteworthy is the observation that patients with both an elevated cardiac-ankle vascular index (CAVI) and left ventricular hypertrophy (LVH) or concentric remodeling had a 2.3-fold increased risk of MH, particularly in men, independent of age and antihypertensive treatment. CAVI offers distinct advantages as a screening parameter due to its independence from blood pressure fluctuations during measurement, its established prognostic value for cardiovascular outcomes, and its high reproducibility in primary care. We propose a stepwise screening approach, prioritizing CAVI assessment in patients with normal OBP but multiple cardiovascular risk factors, followed by echocardiographic assessment in those with elevated CAVI values. This strategy may facilitate earlier detection of MH, allowing timely intervention to reduce cardiovascular morbidity and mortality, although further validation in different age groups and cost-effectiveness analyses are warranted.
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