The Professor Who Turned His Surgery into a Lesson for the World
Summary Paragraph
After surviving a heart attack and discovering silent mitral valve damage months later, retired professor John Erickson became an unexpected part of medical history. By choosing a cutting‑edge, minimally invasive heart surgery, he transformed a personal health crisis into a powerful teaching moment.
Key Takeaways
- Silent heart valve damage can develop after a heart attack, making follow‑up care and advanced imaging critical even when symptoms are absent.
- Totally Endoscopic Cardiac Surgery (TECS) offers a minimally invasive option for complex heart repairs, supporting faster recovery and less physical trauma.
- Patient partnership and innovation at St. Elizabeth Healthcare are helping advance heart surgery education and improve outcomes worldwide.
The Professor Who Turned His Surgery into a Lesson for the World
On his Indiana farm, surrounded by fields he has tended for years, retired Purdue University anatomy and physiology professor John Erickson looked forward to his approaching 79th birthday with energy and purpose. But unfortunately, John’s family history of heart disease caught up to him.
“My father died of his third heart attack. His father died of a heart attack,” John says. “I’ve always tried to stay healthy, but genetics can be powerful.”
Just one week before his birthday, John did indeed suffer a heart attack of his own. He received four stents to open blocked arteries and restore blood flow to his heart. The treatment saved his life – but the two‑hour gap between the cardiac event and the procedure caused unexpected damage to his mitral valve – damage that produced zero symptoms and would go undetected for months.
John returned home and eased back into his daily routines, unaware that a different problem was quietly taking shape.
An Unexpected Finding
Six months later, during a follow‑up visit at St. Elizabeth, he learned his heart troubles were far from over. “During my check‑up, my cardiologist got a concerned look on his face,” John recalls. “He asked how long I’d had a murmur. I told him I didn’t know I had one.”
Concerned about the possibility of valve damage, his doctor ordered additional testing: blood vessel scans, MRI and a transesophageal echocardiogram. The images revealed severe mitral valve regurgitation – meaning his mitral valve wasn’t closing properly and blood was leaking backward with each heartbeat. Without surgical repair, the condition would steadily worsen.
John was referred to Dr. Mario Castillo-Sang, a cardiac surgeon and global leader in minimally invasive mitral valve surgery.
A New Kind of Heart Surgery
Decades earlier, as a graduate student, John assisted with cardiac research and observed several open‑heart surgeries. He was familiar with traditional methods, but when Dr. Castillo‑Sang described his preferred technique – Totally Endoscopic Cardiac Surgery (TECS) – John was intrigued by its sophistication.
“I figured there had been a few changes to the procedure,” said John. “But I didn’t realize how amazing those changes were. “I had seen surgeons make large incisions through the sternum and completely open the chest. When Dr. Castillo-Sang said that he would be repairing my valve through a small hole on the right side of my chest – that was difficult for me to grasp.”
Dr. Castillo-Sang explained that TECS was a highly specialized form of minimally invasive heart surgery. He uses this approach to treat an array of complex heart conditions with just a 2-2.5cm incision, a state-of-the-art 3D 4K camera and customized tools – no bone cutting and no rib spreading. This would mean less pain, a smaller scar and a faster return to normal activities.
For John, this wasn’t just impressive – it was an opportunity.
A Classroom Like No Other
In early September 2025, St. Elizabeth Healthcare hosted the Endoscopic Cardiac Surgeons Club (ECS) Annual Meeting – marking the first time this prestigious global even was held in the U.S. More than 200 surgeons and medical professionals from 42 countries gathered to share knowledge, techniques and view live video feeds of endoscopic cases from around the world. This would include an operation being performed at St. Elizabeth Edgewood hospital.
When Dr. Castillo-Sang asked John if he would consider being the patient for a live‑broadcast case, the educator in him didn’t hesitate.
“I taught anatomy and physiology for 38 years,” he says. “The idea of me being used to help teach cardiac surgeons how to do this technique was an incredible opportunity – how could I say no?”
On the day of surgery, cameras were rolling and the operation went as planned.
“What stands out most about John isn’t just his resilience – it’s his willingness to turn his own vulnerability into a source of learning for others,” said Dr. Castillo-Sang. “John’s instinct to teach, even in a moment of uncertainty was incredibly generous and touching.”
A Teacher’s Perspective on Hope
“My recovery was really fast,” John says. “The day after my surgery, I walked a half mile around the hospital. My operation was on Friday, and I went home on Monday.” He felt great and within a few weeks was able to resume his work on the farm.
“I wasn’t a fragile person,” he says. “I was a wounded person – someone who had the unique privilege of educating the next generation of heart surgeons.”
If you or a loved one need heart surgery, visit our website to learn more about Totally Endoscopic Cardiac Surgery
To schedule a consultation with Dr. Castillo-Sang, call (859) 301‑9010 or complete this online form: Schedule a Consultation
Medically Reviewed by Mario Castillo-Sang, MD, on 3/2/2026.
