Atrial Fibrillation Clinical Trial
— TriggersAFOfficial title:
Personalized Detection of Triggers and Risk Factors for Recurrence of Atrial Fibrillation and Other Atrial Arrhythmias With the Use of Long-term Monitoring
A prospective cohort study to evaluate the association between various triggers encountered in daily life and induction of atrial arrhythmias (atrial fibrillation, atrial flutter, atrial tachycardia and premature atrial contractions) with the use of long-term monitoring devices. The collected data of personalized triggers and risk factors will be used to define the individual phenotype of atrial arrhythmia.
Status | Recruiting |
Enrollment | 200 |
Est. completion date | September 30, 2024 |
Est. primary completion date | December 31, 2023 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: - Patients with previously diagnosed paroxysmal or persistent atrial fibrillation who are in sinus rhythm at inclusion time. - An informed consent is signed by the patient. Exclusion Criteria: - The qualifying episode of AF has never been documented in ECG or Holter ECG monitoring. - Patients with atrial fibrillation, atrial flutter or atrial tachycardia at inclusion time. - Patients with permanent atrial fibrillation or permanent atrial flutter. - Age <18 years. - Patients with a pacemaker or an implanted cardiovert-defibrillator. - Patients suffering from dementia or other severe neurological disorders and thus incapable to participate. - Patients who present with antisocial behavior and/or do not want to participate in the study. |
Country | Name | City | State |
---|---|---|---|
Lithuania | Vilnius University Santaros Clinics | Vilnius | Vilniaus |
Lead Sponsor | Collaborator |
---|---|
Vilnius University | Kaunas University of Technology |
Lithuania,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Blood pressure association with atrial arrhythmias in patients with previously diagnosed atrial fibrillation | Patterns of blood pressure fluctuations in relation to atrial arrhythmias (atrial fibrillation, atrial flutter, atrial tachycardia, premature atrial contractions) within a monitoring period of 7 days. An association between episodes of uncontrolled arterial hypertension and occurrence of arrhythmia episodes is anticipated. | 7 days | |
Secondary | Association of various triggers with atrial arrhythmias in patients with previously diagnosed atrial fibrillation | Patterns of distinct triggers in relation to atrial arrhythmias (atrial fibrillation, atrial flutter, atrial tachycardia, premature atrial contractions) within a monitoring period of 7 days. Mobile application and accelerometer of Holter ECG device will be used to record these factors as well as mark the time and the frequency of these actions. Attempts will be made to link all patient-marked triggers, their frequency, time of onset to the occurrence of arrhythmia.
Triggers such as: coffee intake alcohol consumption distinguished by strength into: spirits: brandy, vodka, vine or champagne low alcohol drinks: beer, cider emotional stress, overeating, physical activity, strenuous exercise, cold food, cold drink, lack of sleep other activities or things participants feel are related to the onset of arrhythmias |
7 days | |
Secondary | Association of available blood tests results to predict the risk of atrial arrhythmias in patients with previously diagnosed atrial fibrillation | Blood tests may be useful in determining the effect of concomitant illness, their exacerbations, or, conversely, the stable course of the disease on the arrhythmia.
Available results of each separate test (potassium, sodium, magnesium, BNP, creatinine, glomerular filtration rate, lipid profile, c-reactive protein) in relation to atrial arrhythmias (atrial fibrillation, atrial flutter, atrial tachycardia, premature atrial contractions) within a period of 3 months prior to 3 months after inclusion. |
3 months prior to 3 months after inclusion | |
Secondary | Association of sleep analysis data with atrial arrhythmias in patients with previously diagnosed atrial fibrillation | Each participant will be given a sleeping mat to put under the mattress and data collected from it in relation to atrial arrhythmias (atrial fibrillation, atrial flutter, atrial tachycardia, premature atrial contractions) within a monitoring period of 7 days.
Measured separately as: Sleep Quality Index, Apnea Episodes, Snoring Episodes, Snoring (%), Sleep Duration (Hours), Regular Sleep, Sleep Depth, Sleep Breaks |
7 days | |
Secondary | Temporal relation between changes in blood pressure and atrial arrhythmias in patients with previously diagnosed atrial fibrillation | The results from the 48-hour blood pressure measurements (ambulatory BPM Mobil-o-graph's data) and additional 5 days measurements (Withings BPM) will be used to describe temporal relation between changes in blood pressure and atrial arrhythmias (atrial fibrillation, atrial flutter, atrial tachycardia, premature atrial contractions) within a monitoring period of 7 days. The temporal relation will be measured as a time of blood pressure rise/fall before arrhythmia occurrence personalized for each individual and generalized for groups of individuals.
Collected data: date, time, systole mean arterial pressure, Diastole, Peripheral pulse pressure (pPP), Heart rate (Hr), cSPB, cDBP, MAP-C2 (calibration for calculating the aortic central systolic blood pressure) |
7 days | |
Secondary | Association of echocardiographic results to predict the risk of atrial arrhythmias in patients with previously diagnosed atrial fibrillation | Echocardiography parameters will show cardiac status and function: chambers sizes, presence of left ventricular (LV) hypertrophy, atrial enlargement; the strains of left atrium and the predicted risk of these parameters in relation to atrial arrhythmias. Echocardiography will be acquired within a period of 3 months prior to 3 months after inclusion.
Echocardiography parameters: Main: LV ejection fraction (LV EF) (%), LV end diastolic diameter (LVdd) (cm), Interventricular septal diameter (IVd) (cm), LV posterior wall diameter (LVPWd) (cm), E and A waves (m/s), Left atrial diameter (cm), LA volume index (ml/m2), LA maximum volume (ml), E' lat, E' med (cm/s), E' vid, E/e' vid, E deceleration time (ms). Additional parameters (%): mean contractile strain, 4 chamber (4 CH) contractile strain, 2 CH contractile strain, mean conduit strain, 4 CH conduit strain, 2 CH conduit strain, mean reservoir strain (%), 4 CH reservoir strain (%), 2 CH reservoir strain (%). |
3 months prior to 3 months after inclusion. | |
Secondary | Association of parasympathetic and sympathetic tone to predict the risk of atrial arrhythmias in patients with previously diagnosed atrial fibrillation | The activity of autonomic nervous system will be measured as heart rate variability (HRV), standard deviation of normal-to-normal heart rate intervals (SDNN) and other parameters in relation to atrial arrhythmias (atrial fibrillation, atrial flutter, atrial tachycardia, premature atrial contractions) within a monitoring period of 7 days. | 7 days | |
Secondary | Association of physical activity to predict the risk of atrial arrhythmias in patients with previously diagnosed atrial fibrillation | To assess level of physical activity (measured as MET and the number of steps taken per day) in relation to atrial arrhythmias (atrial fibrillation, atrial flutter, atrial tachycardia, premature atrial contractions) within a monitoring period of 7 days. | 7 days | |
Secondary | Potential triggers named by participants, symptoms, burden of arrhythmia and the quality of life in patients with previously diagnosed atrial fibrillation before monitoring | Before the start of monitoring participants will fill out the questionnaire of most frequent known triggers, which could provoke their arrhythmias as well as mark the arrhythmia-related symptoms and the burden of arrhythmia in everyday life. | 1 day | |
Secondary | Usability of devices in everyday use | After the monitoring of 7 days participants will fill out the questionnaire of the convenience of each device and the willingness to use them if recommended by a physician in everyday practice. | 1 day | |
Secondary | Potential triggers named by participants, symptoms, burden of arrhythmia and the quality of life in patients with previously diagnosed atrial fibrillation after the collected information is presented to the patients | At least 3 months after the collected monitoring results are presented to the patients, the participants will fill out the questionnaire about changes of perceived potential triggers, symptoms, burden of arrhythmia and the quality of life ad symptoms. | 3 months after the collected information is presented to the patient |
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