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Noninvasive Determination of Vortex Formation Time Using Transesophageal Echocardiography During Cardiac Surgery
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The Dicrotic Notch: Mechanisms, Characteristics, and Clinical Correlations
Abdelrahman Abushouk1,2, Tikal Kansara3, Omar Abdelfattah4
1Department of Cardiovascular Medicine, Heart, Vascular, and Thoracic Institute, Cleveland Clinic Foundation, 9500 Euclid Ave, Cleveland, OH, USA.
Current Cardiology Reports
|July 26, 2023
Summary
The dicrotic notch (DN), a marker of arterial stiffness, shows potential for wider clinical use in cardiovascular medicine. Recent non-invasive methods may enhance its diagnostic accuracy and prognostic value.
Area of Science:
- Cardiovascular Medicine
- Vascular Physiology
Background:
- The dicrotic notch (DN) is a recognized indicator of arterial stiffness and compliance.
- Historically, its clinical utility was limited by challenges in measurement, primarily requiring invasive arterial catheterization.
Purpose of the Study:
- To review recent advancements in vascular medicine research concerning the dicrotic notch (DN).
- To assess the potential utility of the DN in clinical cardiovascular medicine, particularly with emerging non-invasive techniques.
Main Methods:
- Review of recent developments in non-invasive measurement techniques for the dicrotic notch (DN).
- Analysis of studies investigating DN parameters in various physiological and pathological states.
Main Results:
- Despite historical limitations, the DN has shown significance in reflecting arterial conditions.
- Development of non-invasive methods over the past two decades may overcome previous measurement challenges.
- The DN shows potential for broader applications in clinical cardiovascular medicine.
Conclusions:
- Further research is essential to validate non-invasive DN measurement methods.
- Comparative studies are needed to establish the prognostic value of the DN against other circulatory parameters.
- The dicrotic notch (DN) may regain prominence as a valuable clinical tool in cardiovascular assessment.
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