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Published on: December 2, 2014
Clinical implications of non-invasive measurement of central aortic blood pressure
Mariusz Stepień1, Maciej Banach, Piotr Jankowski
1Department of Nephrology, Hypertension and Family Medicine, Medical University of Lodz, Lodz, Poland.
Insights
Central arterial blood pressure is a crucial cardiovascular disease factor and better predicts risk than peripheral pressure. Some antihypertensives effectively lower central pressure, impacting treatment strategies.
Area of Science:
- Cardiology
- Hypertension Research
- Pharmacology
Background:
- Central arterial systolic blood pressure plays a key role in cardiovascular disease development.
- Central arterial pressure is a superior predictor of cardiovascular risk compared to peripheral brachial blood pressure.
- Measuring central blood pressure aids in diagnosing conditions like spurious systolic hypertension in younger individuals.
Purpose of the Study:
- To highlight the significance of central arterial pressure in cardiovascular pathophysiology.
- To compare the efficacy of different antihypertensive drug classes on central versus peripheral blood pressure.
- To explore the potential clinical implications of central blood pressure monitoring.
Main Methods:
- Review of existing literature on central arterial pressure.
- Analysis of the differential effects of various antihypertensive medications on central and peripheral blood pressure.
- Discussion of the prognostic and therapeutic relevance of central blood pressure measurements.
Main Results:
- Central arterial pressure is a critical factor in cardiovascular disease.
- Certain antihypertensive drugs (ACE inhibitors, ARBs, calcium channel blockers) more effectively reduce central blood pressure than beta-blockers.
- This differential effect on central pressure may explain observed clinical benefits despite similar peripheral pressure changes.
Conclusions:
- Central blood pressure measurement offers valuable insights beyond peripheral readings.
- The distinct impact of antihypertensives on central pressure warrants further investigation for therapeutic optimization.
- More clinical trials are needed to establish routine use of central blood pressure monitoring in practice.
Abstract:
Central arterial systolic blood pressure is a very important factor in the pathophysiology of cardiovascular diseases. Central arterial pressure is a better predictor of cardiovascular risk than peripheral brachial blood pressure. Measurement of central blood pressure is useful for a diagnosis of spurious systolic hypertension in young people. Antihypertensive drugs have a different impact on central blood pressure, for example angiotensin converting enzyme inhibitors, antagonists of angiotensin II receptors, calcium channel blockers more effectively lower central blood pressure than betablockers, despite all of those drugs (including beta-blockers) having a similar impact on peripheral pressure. This mechanism may be responsible for the beneficial effect of some antihypertensive drugs on cardiovascular end points observed in clinical trials, despite a low peripheral hypotensive effect. However, further clinical trials are required to provide more evidence for the prognostic and therapeutic implications of the measurement of central blood pressure before adopting its routine application in clinical practice.
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