Marking a medical milestone, 62-year-old Richard “Rick” Slayman became the first person to receive a pig kidney transplant and be discharged from the hospital.

Slayman received the kidney in a four-hour surgery and was able to leave the hospital with a clean bill of health. He has type 2 diabetes and high blood pressure, which are the most common causes of chronic kidney disease. Slayman’s first transplanted kidney, received five years ago, eventually failed, necessitating a return to dialysis.

Slayman’s transplant was made possible through xenotransplantation, which is the transplantation of organs from other animals. This procedure is considered a solution to the worldwide shortage of donated human organs. More than 100,000 people who could have been saved by an organ transplant die each year globally.

The success of Slayman’s transplant is the culmination of efforts by thousands of scientists and physicians over several decades. The hope is that this transplant approach will offer a lifeline to millions of patients worldwide who are suffering from kidney failure.

However, there is still much work to be done before xenotransplantation can become widely available. Clinical trials need to be conducted to replicate the results in a large number of patients, and the long-term outcomes need to be studied. Additionally, there is a risk of rejection for all organ transplants, and the recent xenotransplants have shown that scientists and researchers have been able to overcome the immediate rejection risk with genetically modified porcine organs.

Overall, Slayman’s transplant is a major symbolic event for the entire transplant community and represents a real possibility of xenotransplantation benefiting a large number of patients in the future.