In this new episode of INR Stories hosted by Nanthiya Sujijantarat, Alejandro Berenstein reflects on his pioneering career in neurointervention, from building his own catheters in the 1970s to shaping the treatment of vein of Galen malformations and advancing true endovascular surgery. He recounts formative moments, personal losses, and major breakthroughs, while sharing his philosophy of intellectual honesty, teamwork, and curiosity as the spark that guided his innovations.

Topics discussed in this episode:

• Early motivations for medicine and improvising catheter technology in the absence of modern tools
• The development of variable stiffness catheters and the vision for articulating technology enabling “true endovascular surgery”
• Becoming a global reference for vein of Galen malformations through teamwork and collaboration with Pierre Lasjaunias
• Lessons learned from patient complications, including the need for honesty and humility in medicine
• The role of mentorship in his professional life and his advice for trainees
• Future perspectives on robotics, articulating catheters, radiosurgery, genetic therapy, and epilepsy treatment

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