Heart Rate Variability Analysis of Healthy Individuals and Patients with Ischemia and Arrhythmia

Galya Georgieva-Tsaneva1, Evgeniya Gospodinova1

  • 1Institute of Robotics, Bulgarian Academy of Science, 1113 Sofia, Bulgaria.

PubMed

Insights

Treatment improved heart rate variability (HRV) in patients with ischemia and arrhythmia. Key HRV parameters, including SDNN and RMSSD, showed significant increases, indicating better cardiac function after intervention.

Area of Science:

  • Cardiology
  • Biomedical Engineering
  • Medical Informatics

Background:

  • Arrhythmia and ischemic heart disease are significant cardiovascular conditions affecting cardiac activity.
  • Assessing heart rate variability (HRV) provides crucial insights into autonomic nervous system function and cardiovascular health.
  • Established cardiology information systems aid in the analysis of complex physiological signals like Holter monitoring data.

Purpose of the Study:

  • To evaluate the impact of treatment on cardiac activity in patients with arrhythmia and ischemic heart disease.
  • To compare HRV parameters between patients and a healthy control group.
  • To assess the utility of an information demonstration cardiology system in analyzing cardiac recordings.

Main Methods:

  • Utilized long-term (approx. 24h) Holter monitoring to record cardiac activity during daily life.
  • Employed an established information demonstration cardiology system for signal processing and analysis.
  • Applied linear, non-linear, and graphical methods to analyze heart rate variability (HRV).

Main Results:

  • Significant increases observed in time-domain HRV parameters (SDNN, SDANN, RMSSD, SDNN index, HRVTi) in both ischemic and arrhythmia patient groups post-treatment.
  • Non-linear HRV parameters (e.g., alpha) also showed improvement in both patient cohorts.
  • The information system effectively processed and analyzed complex cardiac data for diagnostic insights.

Conclusions:

  • Treatment positively impacts cardiac autonomic function, as evidenced by improved HRV parameters in patients with ischemia and arrhythmia.
  • The analyzed HRV metrics demonstrate the effectiveness of the intervention in enhancing cardiac regulation.
  • The information demonstration cardiology system is a valuable auxiliary tool for diagnosing and managing cardiovascular diseases.

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