Mitral Regurgitation Clinical Trial
Official title:
Evaluating the Severity of Mitral Regurgitation Using Phenylephrine During Transesophageal Echocardiography
The study proposes to develop a phenylephrine protocol to be used during transesophageal echocardiography, whereby intravenous phenylephrine would be used to increase afterload with the intent to mimic the awake hemodynamic profile and variation that occurs with normal physical activity. The expectation is to see changes in severity of Mitral Regurgitation (MR) grade with increasing afterload, which in turn can provide more accurate quantification of MR severity to assist in clinical decision making.
Status | Recruiting |
Enrollment | 35 |
Est. completion date | June 2024 |
Est. primary completion date | June 2024 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: - Patients 18 years or older with MR on baseline echocardiographic evaluation who are scheduled to undergo TEE for further evaluation of mitral regurgitation. Exclusion Criteria: - The following patients will be excluded from the study: 1. Patients who are not clinically eligible for TEE. 2. Patients with contraindications to esophageal intubation. 3. Patients with hemodynamic instability. 4. Patients with acute decompensated heart failure (HF). 5. Patients with un-revascularized severe coronary artery disease (triple vessel or left main disease). 6. Patients with ongoing unstable angina or ongoing myocardial infarction (MI) 7. Patients with significant arrhythmias including atrial fibrillation. 8. Patients with uncontrolled hypertension (BP = 150/90 mmHg). 9. Patients with preexisting bradycardia (HR < 50) and heart blocks. 10. Patients with severe symptomatic peripheral vascular disease. 11. Patients with severe pulmonary hypertension (estimated systolic pulmonary arterial pressure sPAP = 60mm Hg). 12. Patients who are at high risk for intracranial bleeding such as patients with previous strokes, transient ischemic attack (TIA) and vascular malformations. 13. Additionally, patients with mean arterial blood pressure MAP > 100 mmHg during TEE and those with severe MR, effective regurgitant orifice area (ERO > 39cm2) on baseline TEE evaluation will not be given phenylephrine and excluded from the study. |
Country | Name | City | State |
---|---|---|---|
United States | Montefiore Medical Center | New York | New York |
Lead Sponsor | Collaborator |
---|---|
Montefiore Medical Center |
United States,
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Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | The percentage of patients with greater than 25% increase in MR regurgitant volume (Rvol) after the use of phenylephrine during transesophageal echocardiography. | The purpose of this study is to compare the echocardiographic parameters of MR grade before and after the use of phenylephrine during transesophageal echocardiography (TEE) and to document an increase in echocardiographic parameters of MR grade after the use of phenylephrine. | Before and after phenylephrine administration during transesophageal echocardiography, approximately 40 minutes |
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