Related Experiment Videos
Percutaneous cardiopulmonary bypass support in the catheterization laboratory: technique and complications
F A Shawl1, M J Domanski, M H Wish
1Department of Interventional Cardiology, Washington Adventist Hospital, Takoma Park, MD 20912.
Insights
A new percutaneous cardiopulmonary bypass technique offers hemodynamic stability during high-risk cardiac procedures. This method supports patients in critical conditions and expands options for coronary interventions.
Area of Science:
- Cardiology
- Interventional Cardiology
- Cardiopulmonary Support
Background:
- High-risk cardiac interventions require robust hemodynamic support.
- Maintaining circulatory stability is crucial for patient outcomes during complex procedures.
Purpose of the Study:
- To introduce and evaluate a novel percutaneous cardiopulmonary bypass (PCBP) technique.
- To assess the feasibility and utility of PCBP in the cardiac catheterization laboratory.
Main Methods:
- Percutaneous insertion of 18F venous and arterial cannulas after sequential dilatation.
- Utilizing a stiff guide wire for accurate cannula placement.
- Achieving bypass flow rates up to 5 L/min.
Main Results:
- The technique safely maintains hemodynamic stability during high-risk interventions.
- Successfully applied in cases of cardiac arrest, hemodynamic collapse, and cardiogenic shock.
- Facilitates stable patient transport to the operating room after failed angioplasty.
Conclusions:
- Percutaneous cardiopulmonary bypass is a safe and effective support method in the cardiac catheterization lab.
- This technique can expand the eligibility of patients for advanced coronary interventions.
- Complications are primarily associated with cannula removal and manageable with proper technique.
Abstract:
A safe and easily applied technique of percutaneous cardiopulmonary bypass support has been developed for use in the cardiac catheterization laboratory. The importance of this technique lies in its ability to maintain hemodynamic stability during high risk interventional procedures regardless of intrinsic cardiac function. Venous and arterial cannulas (18F) are inserted percutaneously over a stiff guide wire after sequential dilatation with 12F and 14F dilators. Bypass flow rates of up to 5 L/min can be achieved. This technique can be applied to support patients with cardiac arrest, hemodynamic collapse after abrupt closure during coronary angioplasty, and cardiogenic shock, as well as those undergoing high-risk elective coronary angioplasty. This form of support also permits transport of the patient to the operating room in a stable condition after an unsuccessful angioplasty. The complications are mostly related to cannula removal and can be minimized by the use of a proper technique. Although the ultimate role of this new technique remains to be completely defined, it appears that it will expand the patient population for whom coronary interventions can be applied.