Prognostic value of Holter monitoring in congestive heart failure

Iwona Cygankiewicz1, Wojciech Zareba, Antoni Bayes de Luna

  • 1Department of Electrocardiology, Sterling Memorial University Hospital, Łódź, Poland. iwona.cygankiewicz@heart.rochester.edu

Cardiology Journal
|August 14, 2008
PubMed

Insights

Dynamic electrocardiogram (ECG) markers from Holter monitoring, including heart rate variability and turbulence, can predict mortality in congestive heart failure (CHF) patients. Combining ECG data with imaging improves risk stratification for this widespread disease.

Area of Science:

  • Cardiology
  • Medical Technology

Background:

  • Congestive heart failure (CHF) presents a significant and growing global health challenge with high mortality rates.
  • Current treatments for CHF have limitations, making accurate risk stratification crucial for patient management.

Purpose of the Study:

  • To review the prognostic value of Holter-derived ECG parameters in predicting mortality and modes of death in CHF patients.
  • To emphasize the role of dynamic ECG markers in assessing myocardial vulnerability and autonomic function.

Main Methods:

  • Literature review of studies utilizing ambulatory Holter monitoring in CHF patients.
  • Analysis of various ECG parameters, focusing on dynamic markers like heart rate variability and turbulence.
  • Consideration of combining ECG findings with myocardial substrate assessment.

Main Results:

  • Holter-based ECG parameters, particularly dynamic markers, are independent predictors of total mortality and heart failure progression.
  • Dynamic markers reflect myocardial vulnerability and autonomic nervous system activity, complementing imaging techniques.
  • Combined ECG and substrate assessment offers a comprehensive view of mortality risk factors.

Conclusions:

  • Dynamic Holter-derived ECG markers provide valuable prognostic information in CHF.
  • Integrating ECG-based risk stratification with myocardial substrate assessment can enhance the understanding of mortality predictors in CHF.

Related Concept Videos

Holter Monitor: 24-Hour Monitoring01:23

Holter Monitor: 24-Hour Monitoring

Holter monitoring is a continuous electrocardiography (ECG) recording that tracks the heart's electrical activity over an extended period, generally 24 to 48 hours. This noninvasive diagnostic tool detects irregular heart rhythms that may not be captured during a standard ECG performed in a clinical setting.DeviceThe Holter monitor is a portable, small device connected to several electrodes on the patient's chest. These electrodes detect the heart's electrical signals and transmit them to the...
Pulse rhythm01:30

Pulse rhythm

Pulse rhythm refers to the pattern of pulsations within specific intervals, offering valuable insights into the regularity or irregularity of the heart's beats as observed through the pattern of pulsation within specific intervals. A regular pulse exhibits a consistent heart rate with uniform waveforms and pulsation force, variations of which can be classified as normal, weak, or bounding.
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac muscle...
Heart Failure IV: Classification and Diagnostic Evaluation01:30

Heart Failure IV: Classification and Diagnostic Evaluation

Heart failure can be classified in various ways, with the most common classifications based on physical activity limitations, disease progression, severity, and treatment strategies.The Functional Classification of Heart Failure divides patients into four categories based on physical activity limitation due to symptom burden.Class I: Patients in this class have cardiac disease but no physical activity limitations. Ordinary activities like walking, climbing stairs, or routine tasks do not cause...
Cardiomyopathy III: Hypertrophic Cardiomyopathy01:29

Cardiomyopathy III: Hypertrophic Cardiomyopathy

Hypertrophic cardiomyopathy, or HCM, is an autosomal dominant genetic disorder characterized by asymmetric left ventricular hypertrophy without ventricular dilation. It is more common in men and is typically diagnosed in young, athletic adults.EtiologyHCM is primarily genetic and is caused by mutations in genes encoding sarcomeric proteins. Researchers have identified over 1400 mutations across at least 11 different genes. Among these, the most frequently occurring mutations are found in the...
Cardiomyopathy II: Dilated Cardiomyopathy01:30

Cardiomyopathy II: Dilated Cardiomyopathy

Dilated cardiomyopathy, or DCM, is a progressive myocardial disorder characterized by ventricular chamber dilation and contractile dysfunction.EtiologyVarious factors can cause DCM, including hypertension and heavy alcohol intake, which contribute to the weakening and enlargement of the heart muscle. Viral infections, such as Coxsackievirus B, adenoviruses, and influenza, can lead to DCM by causing inflammation and damage to heart tissue. Certain chemotherapeutic agents, including daunorubicin,...
Electrocardiogram01:29

Electrocardiogram

An electrocardiogram (ECG or EKG) is a critical diagnostic tool that records the electrical signals produced by the heart during each heartbeat. This recording is achieved through electrodes placed strategically on the arms, legs, and chest. The electrocardiograph amplifies these signals and produces 12 distinct tracings, offering a comprehensive understanding of the heart's electrical activity.
Three major waveforms are present in a typical ECG recording: the P wave, the QRS complex, and the T...