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Administratively closed by the IRB
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This study will assess the reliability of POC ultrasound in estimating right and left atrium pressures in patients with acute decompensated heart failure. This study will compare hemodynamic measurements obtained from pulmonary artery catheters with those estimated from POC ultrasound using inferior vena cava (IVC) measurements and the presence of atrial septal bulge.
For those patients admitted to the CCU who have pulmonary artery catheters placed by the primary team as part of their medical care, the investigators will collect hemodynamic data from their pulmonary artery catheters and echocardiographic data. Echocardiographic and hemodynamic data obtained from pulmonary artery catheters will be simultaneously collected at baseline (within 24 hours of catheter placement) and after 24 and 48 hours of intensive medical therapy if the pulmonary artery catheter is still in place at those times. The placement of the pulmonary artery catheter and the taking of hemodynamic measurements from the catheter will be done as per the primary medical team. The research team will not place any pulmonary artery catheters.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| POCUS Patients | Experimental | A bedside echocardiogram will be taken using a point-of-care pocket ultrasound (General Electric (GE) Vscan). Central venous pressure (right atrial pressure) and pulmonary capillary wedge pressure (left atrial pressure) will be collected from pulmonary artery catheters. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| General Electric (GE) VScan | Device | This is a small, point-of-care, hand-held device used for ultrasound (POCUS). It uses sound waves to generate images without using any radiation. |
| Measure | Description | Time Frame |
|---|---|---|
| Right atrial pressure at baseline | Right atrial pressure is the pressure in one of the chambers of the heart (the right atrium). It reflects the amount of blood returning to the heart. Normal right atrial pressure is 5 to 10 mm Hg. Low pressures indicate that less blood is returning to the heart than normal, higher pressures indicate that more blood is returning to the heart than normal. Higher pressures can occur for example, in patients with heart failure who are fluid overloaded. | Pressures will be estimated at baseline (within 24 hours of placement of pulmonary artery catheter upon admission to CCU) |
| Right atrial pressure at 24 hours | Right atrial pressure is the pressure in one of the chambers of the heart (the right atrium). It reflects the amount of blood returning to the heart. Normal right atrial pressure is 5 to 10 mm Hg. Low pressures indicate that less blood is returning to the heart than normal, higher pressures indicate that more blood is returning to the heart than normal. Higher pressures can occur for example, in patients with heart failure who are fluid overloaded. | Pressures will be estimated 24 hours after baseline |
| Right atrial pressure at 48 hours | Right atrial pressure is the pressure in one of the chambers of the heart (the right atrium). It reflects the amount of blood returning to the heart. Normal right atrial pressure is 5 to 10 mm Hg. Low pressures indicate that less blood is returning to the heart than normal, higher pressures indicate that more blood is returning to the heart than normal. Higher pressures can occur for example, in patients with heart failure who are fluid overloaded. | Pressures will be estimated 48 hours after baseline |
| Left atrial pressure at baseline | Left atrial pressure is the pressure in one of the chambers of the heart (the left atrium). It represents the filling pressure of the left side of the heart before blood is pumped to the rest of the body. Normal left atrial pressure is 6 to 12 mm Hg. In patients with heart failure, the left atrial pressure may be high due to the heart failing to effectively pump blood to the rest of the body. |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Mario Garcia, MD | Montefiore Medical Center | Principal Investigator |
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| ID | Term |
|---|---|
| D006333 | Heart Failure |
| ID | Term |
|---|---|
| D006331 | Heart Diseases |
| D002318 | Cardiovascular Diseases |
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| Pressures will be estimated at baseline (within 24 hours of placement of pulmonary artery catheter upon admission to CCU) |
| Left atrial pressure at 24 hours | Left atrial pressure is the pressure in one of the chambers of the heart (the left atrium). It represents the filling pressure of the left side of the heart before blood is pumped to the rest of the body. Normal left atrial pressure is 6 to 12 mm Hg. In patients with heart failure, the left atrial pressure may be high due to the heart failing to effectively pump blood to the rest of the body. | Pressures will be estimated 24 hours after baseline |
| Left atrial pressure at 48 hours | Left atrial pressure is the pressure in one of the chambers of the heart (the left atrium). It represents the filling pressure of the left side of the heart before blood is pumped to the rest of the body. Normal left atrial pressure is 6 to 12 mm Hg. In patients with heart failure, the left atrial pressure may be high due to the heart failing to effectively pump blood to the rest of the body. | Pressures will be estimated 48 hours after baseline |