新研究发现，尽管美国医院普遍具备相关技术，但多种因素阻碍了患者获得这种有效且易于获得的治疗手段。镰状细胞病患者因此错失了有效的治疗机会。
Various factors block sufferers of disease from receiving treatment that is effective and has widespread availability Sickle cell patients are missing out on an effective treatment despite widespread US hospital access to the technology, new research has found.
这种治疗方法被称为红细胞置换术，它通过替换患者受损的红细胞，并将患者剩余的血浆、血小板和白细胞与捐赠者的红细胞混合后再输回体内来发挥作用。
That treatment is called a red blood cell exchange, a procedure that discards a patient’s damaged red blood cells while simultaneously mixing the patient’s remaining plasma, platelets and white blood cells with red blood cells from a donor before returning them to the body.