Home ECG monitoring of high-risk post-myocardial infarction patients

János Tomcsányi; Péter Bezzeg

doi:10.1556/CEMED.3.2009.28622

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Clinical and Experimental Medical Journal

Volume/Issue:: Volume 3: Issue 2

Home ECG monitoring of high-risk post-myocardial infarction patients

Authors:

János Tomcsányi

János Tomcsányi Department of Cardiology, Hospitaller Brothers of St John of God Hospital, Budapest, Hungary
Árpád fejedelem út 7, H-1023, Budapest, Hungary

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Péter Bezzeg

Péter Bezzeg ArguScan Ltd, Budapest, Hungary

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Pages:: 263–267

Online Publication Date:: 01 Jun 2009

Publication Date:: 01 Jun 2009

Article Category:: Research Article

DOI:: https://doi.org/10.1556/CEMED.3.2009.28622

Keywords:: ECG; home monitoring; internet; myocardial infarction; high risk; ECG, electrocardiogram; ICD, implantable cardioverter defibrillator; MI, myocardial infarction; PCI, primary coronary intervention; VT, ventricular tachycardia

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Abstract

Introduction

In the current era of acute coronary interventions, patients who suffer a myocardial infarction (MI) are discharged either to home or to a rehabilitation facility very rapidly, after just a few days. Mortality, however, is highest during the first month after MI. Patients with decreased left ventricular systolic function who lost a significant percentage of their myocardium are at the highest risk. Given the advances of telemedicine, it may therefore be important to develop new methods of home arrhythmia monitoring for these patients.

Objective

To determine the reliability of an internet-based continuous home arrhythmia monitoring during the first month after discharge in patients with decreased left ventricular function who suffered an acute MI and underwent coronary intervention.

Methods

Numerous telephone-based ECG monitoring systems exist but the authors present their experiences with a new technology involving continuous internet-based ECG monitoring which does not require activation by the patient. A mobile internet-based device was developed for patients who had no access to internet.

Results

We monitored 10 post-MI patients with an ejection fraction of less than 40% who were discharged home. Cumulative monitoring time was 170 days. The completely noise-free and error-free ECG periods amounted to 98 % and 99%, respectively. Average time to response to the 66 alarms raised was 27 seconds. The average number of alarms per day was 0.39 while the positive predictive value was 0.106. Total alarm time was 29.8 minutes which works out to 10.5 seconds per day.

Conclusions

As the unique chest band we developed makes it possible to record error-free ECGs during most of the monitoring period, our method appears to be suitable for home monitoring of patients discharged from hospital. The low alarm time means that many patients can be monitored simultaneously without compromising patient safety.

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Clinical and Experimental Medical Journal

Print ISSN:: 2060-6249

Online ISSN:: 2060-968X

Clinical and Experimental Medical Journal
Language	English
Size
Year of Foundation	2007
Publication Programme	ceased
Volumes per Year
Issues per Year
Publisher	Akadémiai Kiadó
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	2060-6249 (Print)
ISSN	2060-968X (Online)