Papers
3
Total Citations
143
H-Index
3
About
Armin Welz is a pioneering cardiac surgeon whose work has fundamentally shaped the landscape of minimally invasive heart surgery. His research focuses on the intersection of advanced visualization and robotic assistance to reduce the trauma of complex cardiac procedures. Welz’s major contributions lie in validating the feasibility and safety of the Port-Access technique—an endovascular method using femoral cardiopulmonary bypass and aortic balloon occlusion—for both valve and coronary operations. His most cited work, a 2000 study on three-dimensional video and robot-assisted port-access mitral valve operations (80 citations), demonstrated that these technologies could provide superior visualization for intricate repairs. Earlier, he compared port-access to off-pump techniques for coronary artery bypass grafting (40 citations), offering critical insights into procedural selection. Notably, his 1998 case series on 3D-video- and robot-assisted ASD closure (23 citations) was among the first to apply this minimally invasive approach to congenital heart defects, proving that even structural repairs could be performed through small incisions. Through these landmark studies, Welz established a foundation for modern robotic cardiac surgery, directly influencing how surgeons today approach valve repair, bypass grafting, and congenital defect closure.
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