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Right Ventricular Rupture and Tamponade Caused by Malposition of the Avalon Cannula for Venovenous Extracorporeal Membrane Oxygenation
We report a case of unexpected wire migration into the right ventricle at the time of final cannula advancement, resulting in right ventricular rupture and tamponade.
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Percutaneous Access for Cardiopulmonary Bypass Reduces Complication Rates in Minimally Invasive Cardiac Surgery
Femoral cutdown is standard in most centers if groin cannulation is used for cardiopulmonary bypass (CPB) in minimally invasive cardiac surgery (MICS). Arterial closure devices (ACDs) allow placement of larger cannulas percutaneously, but its benefit in MICS is unclear. We assessed our results with ACDs in comparison with conventional surgical access in patients undergoing MICS.
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Computational Numerical Analysis of Different Cannulation Methods During Cardiopulmonary Bypass of Type A Aortic Dissection Model Based on Computational Fluid Dynamics
Different cannulation modes have an effect on the hemodynamic characteristic of the tear, but this effect is related to different states of CPB. AAC was found to superior to IAC, especially in reducing velocity, stress, and shear stress of site of tear. However, IAC and AAC are more conductive to blood supply than FAC in branch vessels of the aortic arch without being affected by the CPB state.
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