ROSS手术的护理配合

ROSS手术又称为自体肺动脉瓣移植术，它是心脏瓣膜置换术的一种。由于主动脉瓣关闭不全和／或狭窄而造成血液返流，所以用病人本身的肺动脉瓣代替病变的主动脉瓣。因为主动脉瓣在器官、细胞、组织的营养供应上起重要作用，氧含丰富的血液泵出心脏通常通过主动脉瓣泵出主动脉而到身体其他部位。如果主动脉瓣病变，那么身体其他部位会因缺氧而造成损害。用病人本身健康的肺动脉瓣代替病变的主动脉瓣，病人的肺动脉瓣需要用代替品。在同一手术中病人的肺动脉瓣用来自供体的健康瓣膜代替。ROSS的最大优点是新的主动脉瓣会和病人本身一起生长，这对孩子来说是很重要的。尽管ROSS手术有一定难度，但最近研究表明ROSS手术是一种临床疗效好的矫治主动脉瓣疾病的手术方法。

Ross procedure is also known as auto-transplantation of pulmonary valve .It is a type of heart valve replacement. The aortic valve that is severely narrowed and/or improperly closing, allowing blood to leak back in the wrong direction. The aortic valve plays a critical role in the nourishment of organs, cells and tissues. Oxygen-rich blood is normally pumped from the heart ,through the aortic valve and out the aorta to the rest of the body. If the aortic valve is defective, the rest of the body could be damaged from lack of oxygen. The Ross procedure replaces the aortic valve with the patient healthy pulmonary valve. Now the patient needs a replacement for the pulmonary valve. Therefore, during the same surgery, the pulmonary valve is replaced with a healthy valve from a deceased human donor. The main advantage of the Ross procedure is that the new aortic valve will grow with the patient, which is very important for children. Ross procedure provides is difficult but recent studies have noted that Ross procedure had excellent results in treating with aortic valve disease.