Abstract
Atrial fibrillation (AF) may occur in the absence of identifiable causes, co-morbidities or structural cardiac disease (lone AF). Silent AF is common and patients may have a completely asymptomatic arrhythmia or may experience both symptomatic and asymptomatic AF episodes. It has been estimated that among patients with recognized AF, one third has no appreciable symptoms. In contemporary clinical practice, AF remains largely underdiagnosed and 25% of patients with AF-associated cardioembolic stroke have not been previously diagnosed with AF. The strategies for AF screening include opportunistic and systematic screening. Several methods for AF detection are nowadays available: from very simple (pulse palpation) to more advanced technologies proposed for ambulatory external monitoring of variable time duration. In patients previously implanted with cardiac electrical devices with an atrial lead, according to current clinical indications, the ability to continuously detect AF and to monitor its evolution is magnified, and AF burden can be precisely measured and monitored along with time. Similar information on AF burden can be also obtained by implantation of subcutaneous cardiac monitors that rely on the analysis of consecutive RR intervals for the diagnosis of AF. The prognosis is generally favorable for patients presenting with lone AF, but adverse outcomes, including stroke and thromboembolic events may occur at long term, in association with aging, or the development of underlying heart disease, or progression from paroxysmal to permanent AF. In this respect, the role of new technologies and diagnostic tools for AF detection and monitoring should be fully defined.
Keywords: Lone atrial fibrillation, electrocardiography, monitoring, stroke, thromboembolism.
Current Pharmaceutical Design
Title:Asymptomatic Lone Atrial Fibrillation - How can we Detect the Arrhythmia?
Volume: 21 Issue: 5
Author(s): Giuseppe Boriani, Cinzia Valzania, Mauro Biffi, Igor Diemberger, Matteo Ziacchi and Cristian Martignani
Affiliation:
Keywords: Lone atrial fibrillation, electrocardiography, monitoring, stroke, thromboembolism.
Abstract: Atrial fibrillation (AF) may occur in the absence of identifiable causes, co-morbidities or structural cardiac disease (lone AF). Silent AF is common and patients may have a completely asymptomatic arrhythmia or may experience both symptomatic and asymptomatic AF episodes. It has been estimated that among patients with recognized AF, one third has no appreciable symptoms. In contemporary clinical practice, AF remains largely underdiagnosed and 25% of patients with AF-associated cardioembolic stroke have not been previously diagnosed with AF. The strategies for AF screening include opportunistic and systematic screening. Several methods for AF detection are nowadays available: from very simple (pulse palpation) to more advanced technologies proposed for ambulatory external monitoring of variable time duration. In patients previously implanted with cardiac electrical devices with an atrial lead, according to current clinical indications, the ability to continuously detect AF and to monitor its evolution is magnified, and AF burden can be precisely measured and monitored along with time. Similar information on AF burden can be also obtained by implantation of subcutaneous cardiac monitors that rely on the analysis of consecutive RR intervals for the diagnosis of AF. The prognosis is generally favorable for patients presenting with lone AF, but adverse outcomes, including stroke and thromboembolic events may occur at long term, in association with aging, or the development of underlying heart disease, or progression from paroxysmal to permanent AF. In this respect, the role of new technologies and diagnostic tools for AF detection and monitoring should be fully defined.
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Boriani Giuseppe, Valzania Cinzia, Biffi Mauro, Diemberger Igor, Ziacchi Matteo and Martignani Cristian, Asymptomatic Lone Atrial Fibrillation - How can we Detect the Arrhythmia?, Current Pharmaceutical Design 2015; 21 (5) . https://dx.doi.org/10.2174/1381612820666140825142639
DOI https://dx.doi.org/10.2174/1381612820666140825142639 |
Print ISSN 1381-6128 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4286 |
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