Wu Kang-his, the hematology-oncology physician at the China Medical University Hospital who performed little Miss Yeh's cord blood transplant, states that the hematopoietic stem cells performed their function after Chien-an's cord blood was injected into her body. Her type B blood transformed into Chien-an's type O blood, and she escaped the nightmare of daily shots of iron chelating agent and lifelong blood transfusions.
為葉小妹妹完成臍帶血移植的中國醫藥大學附設醫院小兒血液腫瘤科醫師巫康熙指出，建安的臍帶血植入葉小妹妹體內後，造血幹細胞已發揮功能，葉小妹妹由原來的 B 型血轉變成建安的 O 型血，並從此走出天天打排鐵劑和一輩子輸血的惡夢。