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The red-faced elderly professor frowned and said, "Since it's heart failure, the most effective treatment option is heart transplant. Although heart transplant is not a routine treatment for heart disease, it is undoubtedly the most effective means to save the lives of end-stage heart disease patients and improve their quality of life."
"However, heart transplant is the most difficult among all organ transplants. Last year, there were only over a hundred heart transplant cases in the entire country."
Professor Huang also chimed in, "The biggest challenge lies in this: the transplant can only rely on hearts donated by brain-dead patients, and the still-beating organ needs to be preserved in a refrigerator and immediately delivered to the recipient for surgery."