Three‐Dimensional Heart Rate Variability Diagnostic for Monitoring Heart Failure Through an Implantable Device

Carlson, Gerrard; Girouard, Steven D.; Schlegl, Michael; Butter, Christian

doi:10.1046/j.1540-8167.2004.03521.x

Cited by 12 publications

(4 citation statements)

References 1 publication

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“…HRV footprint: The HRV footprint 12 is a graphical rendering of the likelihood of a particular beat‐to‐beat heart rate change occurring at each intrinsic sinus rate during a 24‐hour period and is represented as a percentage. The frequency (3 rd dimension) of each heart rate and variability occurrence is shown by color; red and orange are more frequent and blue and gray are less frequent.…”

Section: Methodsmentioning

confidence: 99%

Changes in Heart Rate Variability, Quality of Life, and Activity in Cardiac Resynchronization Therapy Patients: Results of the HF‐HRV Registry

Gilliam

Kaplan

Black

et al. 2007

Pacing Clinical Electrophis

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Section: Methodsmentioning

confidence: 99%

Changes in Heart Rate Variability, Quality of Life, and Activity in Cardiac Resynchronization Therapy Patients: Results of the HF‐HRV Registry

Gilliam

Kaplan

Black

et al. 2007

Pacing Clinical Electrophis

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“…With the Boston Scientific CRT device, the HRV can be plotted at each heart rate over a 24‐h period, resulting in the so‐called “foot‐print” [25]. The normalized size of the foot‐print is termed the foot‐print number, and the graph and number give an easy understanding of the level of HRV: “the larger the better.” In another cohort study [26], HRV using either the SDANN or foot‐print was used to predict mortality in 842 patients implanted with CRT during a 11.8‐month follow‐up period.…”

Section: Sensors For Heart Failure (Table 2)mentioning

confidence: 99%

Optimizing heart failure therapy with implantable sensors

Lau

Siu

Tse

2012

Journal of Arrhythmia

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a b s t r a c tHeart failure (HF)-related hospitalization is associated with significant mortality and morbidity and can be prevented by early intervention. Implantable sensors detect early pathophysiological changes in HF, using an accelerometer, a paced electrogram, impedance and pressure sensors in implanted intracardiac leads, or stand-alone devices. Such sensors monitor daily activity, QT and ST intervals, pulmonary fluid, and intracardiac pressures at various points. Sensor data are available either by patient's or physician's regular interrogation, or using remote patient monitoring. Different sensors have different levels of sensitivity and specificity for HF detection, and they have the ability to antedate HF exacerbation and thereby allow for the initiation of intervention to avert decompensation. Clinical studies suggest that alone or in combination, such sensors have a greater beneficial impact than conventional therapy on acute HF outcome.

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“…Therefore, HRV cannot be measured during atrial pacing. Despite this, effective HRV measures have been obtained and demonstrate prognostic signifi cance as well as improvement with effective therapy [5][6][7].…”

Section: Physiologic Monitoring Must Be Combined With Effective Diseamentioning

confidence: 99%

Therapeutic implications of implantable device-based monitoring of patients with heart failure

Popjes

Boehmer²

2008

Curr Treat Options Cardio Med

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Heart failure is one of the most common medical problems faced by patients and clinicians. It has the potential for high morbidity and mortality, and its overall financial cost to society is enormous. Management of heart failure is often difficult and time consuming, and is sometimes frustrating. The usual signs and symptoms of heart failure may not be obvious early in an exacerbation, which has prompted the development of other methods to identify early and subtle clinical changes to initiate early intervention. Current implantable devices, such as defibrillators and pacemakers, can monitor changes in heart rate and heart rate variability, patient activity, arrhythmia frequency, and thoracic impedance, all of which may be markers of clinical decline. Newer implantable devices can also measure right ventricular pressures, oxygen saturation, and pulmonary artery pressures. Many of these technologies have been shown to be feasible and potentially helpful, but outcomes data showing reductions in morbidity and mortality are currently limited. Importantly, none of these newer technologies should be used in isolation; all must be used in combination with clinical findings to provide effective disease management.

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Three‐Dimensional Heart Rate Variability Diagnostic for Monitoring Heart Failure Through an Implantable Device

Cited by 12 publications

References 1 publication

Changes in Heart Rate Variability, Quality of Life, and Activity in Cardiac Resynchronization Therapy Patients: Results of the HF‐HRV Registry

Changes in Heart Rate Variability, Quality of Life, and Activity in Cardiac Resynchronization Therapy Patients: Results of the HF‐HRV Registry

Optimizing heart failure therapy with implantable sensors

Therapeutic implications of implantable device-based monitoring of patients with heart failure

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