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| Name | Class |
|---|---|
| Istanbul University - Cerrahpasa | OTHER |
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Cut-off values indicating higher symptom burden and impairment in health status in 6-min walk test and 30-second sit-to-stand test in patients with atrial fibrillation will be determined in the study.
The 6-min walk test (6MWT) is the most used field test for measuring functional impairment in cardiopulmonary patients. However, to be able to objectively interpret 6MWT of a patient with specific chronic condition, the distance walked in 6MWT should be compared to either a healthy control group or a cut-off value that was specifically determined for that population. Such cut-off values are present for 6MWT in several cardiopulmonary diseases including COPD (350 m), heart failure (200 m) and pulmonary hypertension (400 m) for identifying patients with high mortality, poor prognosis and/or poor health status, but there is no cut-off value determined for atrial fibrillation (AF). The European Heart Rhythm Association (EHRA) score is a practical measure for assessing symptom burden and functional impairment caused by AF-related symptoms. While EHRA class 1 indicates asymptomatic patients, EHRA class 2, 3 and 4 indicates higher severities of symptom burden and functional impairment. Primary aim of this study is to determine a cut-off value in 6MWT for discriminating between the asymptomatic and symptomatic AF patients according to EHRA classification. In addition, a cut-off value for 30-second sit-to-stand test will be determined in these patients as well, since sit-to-stand tests have gained a lot of interest in the recent literature for practically evaluating functional status in various cardiopulmonary conditions.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Atrial fibrillation | Adult patients with atrial fibrillation |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Evaluation of functional impairment | Other | Symptom burden and functional impairment will be evaluated with EHRA Score, 6-min walk test and 30-second sit-to-stand test |
|
| Measure | Description | Time Frame |
|---|---|---|
| The European Heart Rhythm Association (EHRA) score | Functional impairment and symptom burden of the patients will be determined according to The European Heart Rhythm Association (EHRA) score. While EHRA class 1 indicates asymptomatic patients, EHRA class 2, 3 and 4 indicates higher severities of symptom burden and functional impairment, respectively. | At baseline |
| 6-min walk distance | Distance walked in six minutes will be recorded. Test will be conducted according to the guideline of American Thoracic Society (ATS). | At baseline |
| Number of repetitions in 30-second sit-to-stand test | Participants will be asked to perform sit-to-stand maneuver as fast as possible for 30 seconds and the number of completed repetitions will be recorded. | At baseline |
| Measure | Description | Time Frame |
|---|---|---|
| Forced Vital Capacity (FVC) | FVC will be measured using basic spirometry according to the guideline of European Respiratory Society (ERS) | At baseline |
| Forced Expiratory Volume in 1 second (FEV1) |
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Inclusion Criteria:
- Diagnosis of paroxysmal, persistant or permanent atrial fibrillation
Exclusion Criteria:
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Adult patients diagnosed with atrial fibrillation
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Istanbul University-Cerrahpasa, Institute of Cardiology | Istanbul | Turkey (Türkiye) |
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| Evaluation of pulmonary function | Other | Pulmonary function will be evaluated using basic spirometry and respiratory pressure meter. |
|
| Evaluation of quality of life | Other | Quality of life will be evaluated using Short Form-36 Questionnaire. |
|
| Evaluation of physical activity level | Other | Physical activity level will be evaluated using International Physical Activity Questionnaire Short Form |
|
FEV1 will be measured using basic spirometry according to the guideline of European Respiratory Society (ERS)
| At baseline |
| Peak Expiratory Flow (PEF) | PEF will be measured using basic spirometry according to the guideline of European Respiratory Society (ERS) | At baseline |
| Maximum inspiratory pressure (MIP) | MIP will be measured using electronic mouth pressure meter according to the guideline of European Respiratory Society (ERS) | At baseline |
| Maximum expiratory pressure (MEP) | MEP will be measured using electronic mouth pressure meter according to the guideline of European Respiratory Society (ERS) | At baseline |
| Short Form-36 | Short Form-36 questionnaire will be used to measure quality of life. | At baseline |
| International Physical Activity Questionnaire - Short Form | International Physical Activity Questionnaire - Short Form will be used to measure physical activity level | At baseline |
| ID | Term |
|---|---|
| D001281 | Atrial Fibrillation |
| ID | Term |
|---|---|
| D001145 | Arrhythmias, Cardiac |
| D006331 | Heart Diseases |
| D002318 | Cardiovascular Diseases |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
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