Answer / sunil

Heart transplant:-It is the process of transfer of the heart from one person to another. When the heart of a patient has lost its functions irretrievably due to disease, injury or cinggenits defects the patient may be destined to a lingering and painful death. The only course then left is the surgical removal of the diseased heart and attaching a healthy one in its position. The process begins with selecting the ‘donor’ of the same blood group with a healthy heart who is about to die. The heart of the donor is detached in the shortest possible time and is kept alive by artificial blood circulation and oxygenation at low temperature of 4oC or less. The diseased heart is removed and while the new heart is being attached, the blood circulation and oxygenation of the patient’s body are taken over by a hearluing machine. The greatest hurdle to the post operative success of such transplant is the immunity reaction rejection of the transplanted organ by the natural defence mechanism of the patient’s body resulting in gradual destruction of the grafted organ. Researches in the field of immunology may usher in the complete success of transplant therapy.

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