Key result
Heart rate variability analysis provides independent prognostic value for risk stratification, including sudden cardiac death and mortality, in patients with heart failure, myocardial infarction, and stroke.
Why the study?
Does Heart Rate Variability (HRV) analysis improve risk stratification in patients with cardio- and cerebrovascular diseases?
Does Heart Rate Variability (HRV) analysis improve risk stratification in patients with cardio- and cerebrovascular diseases?
HRV analysis, encompassing both traditional linear and novel non-linear methods, provides independent prognostic value for risk stratification in patients with heart failure and myocardial infarction.
May aid risk stratification in HF, MI, and stroke; leaves open prospective validation before clinical adoption.
The modulation of the autonomic nervous system (ANS) under physiological and pathophysiological conditions is in focus of recent research. Many patients with cardio- and cerebrovascular diseases display features of sympathovagal dysregulation. Measuring specific ANS parameters could improve risk stratification. Thus, the early diagnosis of ANS dysfunction in these patients poses a great challenge with high prognostic relevance.The most relevant methods and measures of Heart Rate Variability (HRV) analysis and HRV monitoring will be described in detail in this chapter. The grown importance of these easily obtainable heart rate patterns in stratifying the risk of patients with myocardial infarction and heart failure as well as ischemic stroke will be demonstrated based on recent clinical studies. In order to perspectively improve clinical management of these patients further large scale clinical investigations on the role of ANS dysfunction will be useful.
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Albrecht Günther (2010) conducted a review in Autonomic dysfunction, heart failure, myocardial infarction, stroke. Heart Rate Variability (HRV) analysis was evaluated. Heart rate variability analysis provides independent prognostic value for risk stratification, including sudden cardiac death and mortality, in patients with heart failure, myocardial infarction, and stroke.
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