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Published on: September 26, 2018
Ambulatory blood pressure monitoring: a mean to stratify cardiovascular risk
Bernard Waeber1, Myriam Genoud, François Feihl
1Division of Clinical Pathophysiology, University Hospital, Lausann, Switzerland.
Insights
Ambulatory blood pressure monitoring can significantly impact cardiovascular risk assessment. Elevated readings, along with hypercholesterolemia and atherosclerotic plaques, indicate higher risk categories.
Area of Science:
- Cardiology
- Hypertension Research
- Vascular Medicine
Background:
- Current hypertension guidelines emphasize total cardiovascular risk assessment.
- Precise methods for integrating ambulatory blood pressure into risk stratification are lacking.
Purpose of the Study:
- To evaluate the role of ambulatory blood pressure measurements in cardiovascular risk stratification.
- To determine how ambulatory blood pressure influences risk category assignment.
Main Methods:
- Calculated global cardiovascular risk using 2003 European Society of Hypertension/European Society of Cardiology guidelines.
- Analyzed data from 127 patients with recorded daytime ambulatory blood pressures.
- Performed carotid/femoral ultrasonography to assess atherosclerosis.
Main Results:
- Ambulatory blood pressures ≥135/85 mmHg elevated cardiovascular risk categories.
- Hypercholesterolemia also shifted patients to higher risk categories.
- Presence of atherosclerotic plaques most significantly increased cardiovascular risk classification.
Conclusions:
- Ambulatory blood pressure measurements are valuable in cardiovascular risk assessment.
- Further research is required to establish the definitive role of ambulatory blood pressure in risk stratification.
Objective:
Current hypertension guidelines stress the importance to assess total cardiovascular risk but do not describe precisely how to use ambulatory blood pressures in the cardiovascular risk stratification.
Method:
We calculated here global cardiovascular risk according to 2003 European Society of Hypertension/European Society of Cardiology guidelines in 127 patients in whom daytime ambulatory blood pressures were recorded and carotid/femoral ultrasonography performed.
Results:
The presence of ambulatory blood pressures >or =135/85 mmHg shifted cardiovascular risk to higher categories, as did the presence of hypercholesterolemia and, even more so, the presence of atherosclerotic plaques.
Conclusion:
Further studies are, however, needed to define the position of ambulatory blood pressures in the assessment of cardiovascular risk.
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Pre-Procedural Guidelines for Assessing Blood Pressure
Errors occurring during blood pressure monitoring
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Special considerations while measuring blood pressure
Monitoring Both Arms:
Monitoring BP in both arms during the initial assessment is advisable, as the systolic value may differ by five to ten mm Hg between arms. For subsequent BP assessments, use the arm with the higher reading.
Sites for measuring blood pressure
The Brachial Artery: Primary Site for Blood Pressure Measurement
Assessing Blood pressure in the Leg
Preparation:
Assessment of blood pressure in brachial artery(one-step method)
Prepare for the Procedure: