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Author(s):
Suketu H Nanavati
,
Robert J Bulgarelli
,
Jose Vazquez-Tanus
,
et al
Added:
3 years ago
Heart rate variability (HRV) is considered to be a means of assessing autonomic function. However, HRV alone provides mixed measures of autonomic function1–11 and, as a result, cannot provide much insight into the autonomic involvement in arrhythmia.1,6,10 When HRV analysis is employed in conjunction with respiratory activity (RA) analysis, it has been shown to independently, simultaneously, and…
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Author(s):
George D Katritsis
,
Demosthenes G Katritsis
Added:
3 years ago
Implantable cardiac devices, such as pacemakers, are used to treat a number of heart conditions, especially those related to the electrical conduction system. Cardiac pacemakers are a well-established and effective therapy, and have been in use for more than 50 years.
The first pacemaker was implanted in a patient in October 1958 by Åke Senning in Stockholm, in cooperation with engineer Rune…
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Author(s):
Peter Hanna
,
Kalyanam Shivkumar
,
Jeffrey L Ardell
Added:
3 years ago
Heart failure (HF) is associated with significant morbidity and mortality, and the burden of disease is rising.1 Despite improved survival – partly a result of advances in medical therapy, coronary interventions and ICD – the mortality rate remains high and relatively stagnant.2 Moreover, advanced HF is associated with impaired quality of life (QOL), which is reflected in the significant number…
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Device-Based Approaches to Modulate the Autonomic Nervous System and Cardiac Electrophysiology
Author(s):
William J Hucker
,
Jagmeet P Singh
,
Kimberly Parks
,
et al
Added:
3 years ago
Article
Author(s):
Mattia Cattaneo
,
E Pravatà
,
M Provenzi
,
et al
Added:
3 years ago
Purpose: We hypothesised that takotsubo syndrome (TTS) and primary microvascular angina (MVA) may exhibit peculiar functional organisation of the central autonomic nervous system network (CAN) at rest, as well as specific psychological patterns, when compared to patients with acute MI (AMI).
Design and methods: We prospectively enrolled patients in three groups: MVA, after TTS or AMI. Subjects…
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Author(s):
Peter J Schwartz
Added:
3 years ago
Despite the clear improvements in clinical outcomes brought about by medical therapy with β-blockers, ACE inhibitors and aldosterone antagonists, as well as by device therapy with cardiac resynchronisation, many patients with chronic heart failure (HF) remain symptomatic despite optimal medical therapy. Symptomatic HF can have devastating consequences for the quality of life of individuals, and…
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Author(s):
Stavros Stavrakis
,
Sunny Po
Added:
3 years ago
There are numerous conglomerations of autonomic ganglia on the epicardial surface of the heart, known as ganglionated plexi (GP). These GP have been shown to play a significant role in different arrhythmias, including AF. As such, GP ablation has become an adjunctive procedure in the treatment of AF. This review will present the current data on the significance of GP in arrhythmogenesis and will…
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Author(s):
Steven Podd
,
Jacqueline Hunt
,
Neil Sulke
Added:
3 years ago
Vasovagal syncope (VVS) is most common cause of syncope,1 with 37 % of the population suffering at least one attack during their life time.2 Head up tilt-table testing (HUTT) was first evaluated and used for the diagnosis of VVS in 1986.3–4 Prior to this, diagnosis relied purely on the clinical history and exclusion of other conditions. With almost 40 % of patients with VVS experiencing no…
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Stavros Stavrakis
Research Area(s) / Expertise:
Job title: Associate Professor of Medicine; Laureate Chair in Molecular Medicine; Vice Chief, Cardiovascular Section
Author
Author(s):
Mahmoud H Abdelnaby
Added:
3 years ago
Coronary artery disease (CAD) is the most common cause of morbidity and premature mortality globally,1 and cardiac autonomic dysfunction is one of the risk factors for CAD.2 Heart rate variability (HRV) is the physiological phenomenon of variation in the time interval between heartbeats and is one of the most promising non-invasive diagnostic methods for assessing autonomic dysfunction.
HRV…
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