The study is being done to determine if the Endovent pulmonary catheter kit, used for port access surgery, can be used as a passageway for a pacing wire. The study hypothesis is that the Endovent kit can be used effectively as a passageway for a pacing wire system.
Many times cardiac surgery requires the use of epicardial pacing in order to wean the patient from bypass. During minimally invasive port access valve surgery, it may not be possible to place the leads on the surface of the heart because of the limited surgical exposure. In this case, transvenous pacing is used. Minimally invasive port access surgery uses specially designed, FDA approved catheters for the procedure. We wish to review the effectiveness of being able to place the wires through the catheters and pace the patient.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
OTHER
Masking
NONE
Enrollment
100
Patients having minimally invasive aortic valve surgery will have a pacing wire placed through the endovent catheter. The anesthesiologist will attempt to pace the ventricle with this wire if needed to wean from bypass.
The Anesthesiologist will advance a pacing wire through the Endovent Catheter under TEE in order to pace the heart when the subject is coming off the Cardiopulmonary bypass machine
Endovent and pacing wire when coming off cardiopulmonary bypass
Number of Participants Were the Endovent Pacing Wire Were Able to Obtain a Ventricular Sensing Signal
Heart to begin pacing upon passing the wire through the catheter to the heart. The catheter would be to be able to pace the heart, with 5 or less milliamps, post heart surgery
Time frame: Preparing to wean from the cardiopulmonary bypass machine (heart lung machine) until 40 hours post wean.
Number of Participants That Required Pacing Who Were Able to be Paced
To be able to pace the heart post aortic valve replacement surgery
Time frame: Preparing to wean from the cardiopulmonary bypass machine (heart lung machine) until 40 hours post wean.
Number of Participants Who Developed Abnormal Blood Pressure or Heart, and/or Arrhythmias Potentially Related to the Pacing Endovent
Subjects hemodynamic status will be measured and assessed throughout the study including all vital signs
Time frame: Preparing to wean from the cardiopulmonary bypass machine (heart lung machine) until 40 hours post wean.
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