In 1977, Andreas Gruentzig performed the first percutaneous coronary angioplasty. The procedure used a balloon catheter to open narrowed coronary arteries without open surgery. It helped create interventional cardiology, a field deeply dependent on anticoagulants and antiplatelet drugs.

The first percutaneous coronary angioplasty in 1977 provided a powerful metaphor for opening blocked passages in life. Poets often draw parallels between medical interventions and emotional healing, using this event to explore themes of constriction and release.