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Kidney Transplant: A Lifesaving Procedure for End-Stage Kidney Disease
The kidneys are two bean-shaped organs located near the mid-backside of the body. Their main function is to filter waste and excess fluid from the blood to produce urine. Kidney failure, also called end-stage kidney disease, occurs when the kidneys are no longer able to effectively remove waste and regulate fluid levels. There are several possible causes of kidney failure, including diabetes, high blood pressure, glomerulonephritis (inflammation of the glomeruli), polycystic kidney disease (fluid-filled cysts develop in the kidneys), and toxic exposures. Untreated kidney failure is fatal, so patients require dialysis or a kidney transplant to survive.
Dialysis as a Treatment Option
When the kidneys fail, a process called dialysis is needed to artificially filter waste and fluids from the blood. There are two main types of dialysis — hemodialysis and peritoneal dialysis. In hemodialysis, blood is pumped out of the body to a dialysis machine where it is cleaned before returning it to the body. A hemodialysis treatment lasts several hours, typically three times per week. Peritoneal dialysis uses the lining of the abdomen, called the peritoneum, as a natural filter. A cleansing fluid is introduced into the abdomen, and it absorbs wastes and extra fluids before draining them out. Dialysis is life-sustaining but is not a cure — it only mimics some kidney functions and patients remain dependent on the treatment.
Kidney Transplant as a Treatment
A Kidney Transplant is currently the best treatment option for end-stage kidney disease as it restores nearly normal kidney function. The new kidney removes waste and regulates fluids in the same way as a healthy kidney. In a transplant, a donor kidney is surgically placed in the lower abdomen and attached to blood vessels to provide a new filtering system. The donor kidney can come from a deceased donor (after being recovered soon after death and preserved on ice until transplantation) or a living donor (with one of their two healthy kidneys removed through laparoscopic surgery). After a transplant, patients require anti-rejection medications for life to prevent their immune system from attacking the new organ. With good self-care and medical follow-up, transplanted kidneys can last 10–15 years on average.
Preparing for Transplant Surgery
Before being listed for a transplant, patients undergo rigorous testing to ensure they are healthy enough for major surgery and their body is primed to accept an organ without immediately rejecting it. This includes an extensive medical history review, physical exams, lab work, imaging tests, and a psychological evaluation. Once listed, patients are prioritized based on factors like time spent waiting, medical urgency, and blood type compatibility. When a suitable kidney becomes available, transplant surgeons prepare the recipient for a 4–6 hour operation. Nearby hospitals are alerted so additional support staff can arrive quickly if needed.
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