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REVIEW ARTICLE
Year : 2019  |  Volume : 5  |  Issue : 2  |  Page : 37-41

Cardiovascular clinical implications of heart rate variability


Department of Clinical and Experimental Internal Medicine, Cardiology and Angiology Unit, Medical Research Institute, Alexandria University, Alexandria, Egypt

Correspondence Address:
Dr. Mahmoud Hassan Abdelnabi
Department of Clinical and Experimental Internal Medicine, Cardiology and Angiology Unit, Medical Research Institute, Alexandria University, 165 El-Horeya Rd, Al Ibrahimeyah Qebli WA Al Hadrah Bahri, Qesm Bab Sharqi, Alexandria
Egypt
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/IJCA.IJCA_36_18

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Heart rate variability (HRV) is one of the promising emerging noninvasive modalities that are extensively used nowadays in research and risk stratification of several diseases. Reduced HRV has been linked to several cardiovascular risk factors such as hypertension (HTN) and diabetes mellitus (DM) also; it has been linked and used for years now in the risk stratification of congestive heart failure, coronary artery disease (CAD), and acute myocardial infarction (AMI). Controversial data are present about the effect of coronary artery bypass graft (CABG) on HRV and the use of HRV for risk stratification in post-CABG patients while percutaneous coronary intervention was linked to a dramatic improvement in HRV and improved survival of CAD patients. Although experimental data are present correlating reduced HRV with increased risk for cardiovascular morbidity and mortality, extensive research is required for further implementation in daily clinical use. In this review, we will discuss the current cardiovascular clinical implications and highlight the limitations of usage and future perspective of HRV.


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