Comparing Dialysis & Transplants (WJEC GCSE Biology)

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Comparing Dialysis & Transplants

  • Kidney transplants are considered to be a long term solution to kidney failure, however, there are several disadvantages to kidney transplants, including:
    • Even with tissue typing, there will always be some immune response to the new kidney; this has to be suppressed by taking immunosuppressant drugs which can leave the patient vulnerable to infections
    • There are not enough donors to cope with demand, so dialysis keeps patients healthy while they wait for a suitable donor
      • The average person with kidney disease in the UK spends 2-3 years on the waiting list before being matched with an appropriate organ
  • If a healthy, tissue-matched kidney is available then the benefits of a transplant include:
    • The patient has much more freedom as they are not tied to long dialysis sessions several times a week
      • Machines can also be difficult to access, meaning that patients often need to travel long distances for dialysis sessions
    • After a transplant, a patient's diet no longer needs to be restricted, as it is during dialysis
    • Long-term use of dialysis machines is very expensive, so a transplant removes this cost
    • A kidney transplant is a long-term solution whereas dialysis needs to be repeated frequently
    • Kidney donor schemes exist to help to match donors and recipients, increasing the chances of finding a successful match

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Emma

Author: Emma

Expertise: Biology

Prior to working at SME, Emma was a Biology teacher for 5 years. During those years she taught three different GCSE exam boards and two A-Level exam boards, gaining a wide range of teaching expertise in the subject. Emma particularly enjoys learning about ecology and conservation. Emma is passionate about making her students achieve the highest possible grades in their exams by creating amazing revision resources!