Minimally invasive cardiac surgery: transapical aortic valve replacement

Area of Science:

• Cardiovascular Surgery
• Medical Engineering
• Robotics in Medicine

Background:

• Minimally invasive cardiac surgery offers reduced trauma and faster recovery compared to traditional methods.
• Advancements in engineering, imaging, and robotics are key to improving minimally invasive cardiac surgery.
• Expanding the applicability of minimally invasive techniques can enhance patient treatment cohorts.

Purpose of the Study:

• To demonstrate the integration of surgical techniques and engineering technologies in minimally invasive cardiac surgery.
• To evaluate the feasibility and practicality of transapical aortic valve implantation under MRI guidance.
• To investigate the use of an MRI-compatible robotic surgical system for precise aortic valve delivery.

Main Methods:

• Utilized transapical aortic valve implantation as a model procedure.
• Conducted feasibility studies and long-term evaluations of MRI-guided transapical aortic valve implantation.
• Developed and tested an MRI-compatible robotic surgical system for prosthesis delivery.

Main Results:

• Transapical aortic valve implantation under MRI guidance was proven feasible and practical.
• Ex vivo experiments demonstrated the potential of a robotic system for in vivo applications.
• The integration of surgical techniques and engineering technologies was successfully shown.

Conclusions:

• Minimally invasive cardiac surgery, augmented by engineering and robotics, promises improved clinical outcomes.
• MRI-guided transapical aortic valve implantation is a viable and effective minimally invasive approach.
• Robotic systems show significant potential to enhance precision and expand capabilities in minimally invasive cardiac surgery.