Telemed J E Health - Detection of asymptomatic paroxysmal atrial fibrillation with the trans-telephonic electrocardiograph system.

Tópicos

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Resumo

Paroxysmal atrial fibrillation (PAF) carries an equally high annual stroke rate as chronic atrial fibrillation (AF). Furthermore, the frequency and duration of PAF are thought to be associated with stroke risk. In this pilot study, a trans-telephonic electrocardiograph (TTE) monitoring system was used to detect asymptomatic PAF and to study the relationship between ischemic stroke and the frequency of PAF. Between December 2004 and April 2006, 70 patients enrolled in the TTE monitoring program. Patients either transmitted electrocardiograms (ECGs) daily or upon experiencing cardiac symptoms. Of the 70 patients included, 25 were diagnosed with PAF. In total, 11% (855/7,768) of the recordings were diagnosed as PAF, yet less than 2% of total calls collected and less than 17% of all the calls with PAF were associated with obvious symptoms. Four patients developed five ischemic strokes resulting in a calculated annual stroke rate of 0.56%. Patients with stroke had more episodes of AF (56.5?106.3 versus 6.7?85.9, p=0.685) and symptomatic AF episodes (9.8?17.5 versus 4.9?8.1, p=0.381) than the patients who did not have a stroke, but the differences were not statistically significant because of the low numbers of patients and episodes. Most PAF episodes were asymptomatic, and the TTE system could easily detect these episodes. Furthermore, these four patients tended to have more episodes of PAF and more symptomatic attacks of PAF than patients who did not have a stroke.

Resumo Limpo

paroxysm atrial fibril paf carri equal high annual stroke rate chronic atrial fibril af furthermor frequenc durat paf thought associ stroke risk pilot studi transtelephon electrocardiograph tte monitor system use detect asymptomat paf studi relationship ischem stroke frequenc paf decemb april patient enrol tte monitor program patient either transmit electrocardiogram ecg daili upon experienc cardiac symptom patient includ diagnos paf total record diagnos paf yet less total call collect less call paf associ obvious symptom four patient develop five ischem stroke result calcul annual stroke rate patient stroke episod af versus p symptomat af episod versus p patient stroke differ statist signific low number patient episod paf episod asymptomat tte system easili detect episod furthermor four patient tend episod paf symptomat attack paf patient stroke

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