Heart Failure With Preserved Ejection Fraction Clinical Trial
Official title:
Positive Diagnosis of Heart Failure With Preserved LVEF by Exercise Pulmonary Ultrasound.
The E-LUS study is a prospective, non randomised, monocenter case-control study. The main objective is to evaluate the association of exercise lung ultrasound data acquired during a stress test on a bicycle ergometer with the diagnosis of heart failure with preserved ejection fraction (HFpEF).
Secondary objectives: 1. To assess the diagnostic performance of exercise lung ultrasound for the diagnosis of HFpEF. 2. To identify the value of the B-lines score on exercise maximizing the sensitivity and specificity for the diagnosis of HFpEF. 3. To evaluate the relationship of the delta of B-lines scores between rest and exercise with the diagnosis of HFpEF. 4. To assess the diagnostic performance of the delta of B-lines between rest and exercise for the diagnosis of HFpEF. 5. To identify the score of the delta of B-lines value between rest and exercise maximizing sensitivity and specificity for the diagnosis of HFpEF. 6. To evaluate the relationship between the resting value of the B-lines scores with the diagnosis of HFpEF. 7. To assess the diagnostic performance of the resting lung ultrasound for the diagnosis of HFpEF. 8. To identify the value of the B-lines score at rest maximizing the sensitivity and specificity for the diagnosis of HFpEF. 9. To evaluate the correlation between the B-line score measured at rest and exercise and the dyspnoea score measured at rest, during exercise, and during the recovery phase. 10. To assess the correlation of the delta of B-lines scores between rest and exercise and the dyspnoea score measured at rest, during exercise and during the recovery phase. ;
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