In lung transplant surgery, someone with life-threatening respiratory problems is given one or two healthy lungs taken from a person who has died. If one lung is transplanted, the procedure is called a single-lung transplant. If both lungs are transplanted, it is a bilateral or double-lung transplant.
Lungs for transplantation usually come from young, healthy people who have had severe brain damage because of trauma or cardiac arrest (a stopped heart). Their lungs and other organs are maintained with life-support machinery.
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