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Analyzing Long-Term Electrocardiography Recordings to Detect Arrhythmias in Mice
Published on: May 23, 2021
A comparison of three software platforms for automated ECG analysis
1Investigative Toxicology, Amgen Inc., One Amgen Center Drive, MS25-0-A, Thousand Oaks, CA 91320, USA.
Journal of Pharmacological and Toxicological Methods
|May 27, 2009
Summary
Automated ECG analysis tools showed similar trends in cardiovascular safety studies. Pattern recognition software better adapted to changing ECG morphology during 24-hour telemetry monitoring.
Area of Science:
- Pharmacology and Toxicology
- Cardiovascular Research
- Biomedical Engineering
Background:
- Regulatory guidelines for new compound safety assessment lack standardized data derivation methods.
- Increasing data volumes in safety studies necessitate evaluation of automated electrocardiogram (ECG) analysis tools.
- Cardiovascular telemetry studies generate extensive data requiring efficient analysis.
Purpose of the Study:
- To assess and compare the performance of commercially available automated ECG analysis software.
- To evaluate the suitability of these tools for analyzing cardiovascular telemetry data in preclinical safety studies.
- To identify the most effective ECG analysis approach for long-term telemetry monitoring.
Main Methods:
- Cardiovascular telemetry studies were performed in beagle dogs administered E-4031 (0 and 1 mg/kg).
- Raw ECG data were processed using Data Sciences International (DSI) Ponemah with pattern recognition option (PRO), EMKA ecgAuto, and Notocord HEM.
- Software performance was validated using a reference signal generator.
Main Results:
- All evaluated software applications demonstrated comparable performance.
- Significant QT/QTc interval increases (25-40 ms) were observed after E-4031 administration.
- All software consistently identified similar trends in QT/QTc analyses.
Conclusions:
- The selection of ECG analysis software depends on factors like animal model, real-time needs, and flexibility.
- While all tested applications showed similar trends, pattern recognition methods proved more adaptable to ECG morphology changes.
- Automated ECG analysis tools are crucial for efficient and reliable cardiovascular safety assessment.
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