Renal Transplantation Flashcards

(42 cards)

1
Q

where is a kidney transplanted to

A

the iliac fossa

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2
Q

what blood vessels are the kidney typically anastomosed onto

A

iliac vessels

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3
Q

two reasons why you might remove the native kidneys

A

polycystic kidneys or infection

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4
Q

vascular complications of transplant surgery

A

bleeding from anastomotic sites
arterial or venous thrombosis
lymphocele (collection of lymphatic fluid where it shouldn’t be)

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5
Q

2 non-vascular complications of kidney transplant

A

urine leak and infections

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6
Q

first line of immunesuppression

A

basiliximab

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7
Q

is the kidney put in or out of the peritoneum

A

outside

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8
Q

long term maintenance immunesuppression

A

tacrolimus, mycophenolate and steroids

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9
Q

what drug type does mycophenolate belong to (azathioprine is also one)

A

anti-proliferative immunosuppressants

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10
Q

ciclosporin and tacrolimus are two examples of what kind of drug

A

immunosuppressants

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11
Q

4 major side effects of the immunosuppressants used

A

hyperglycaemia, AKI, hypertension, hirtuitism

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12
Q

what does ESRD stand for

A

end-stage renal disease

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13
Q

patients with what condition should all be considered for transplant

A

end-stage renal disease

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14
Q

proportion of donors that are dead

A

85-90%

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15
Q

what immune cells are induction immunesuppressants aimed at

A

T cells

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16
Q

two types of deceased donors

A

donation after brain death/cardiac death

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17
Q

3 types of living unrelated donors

A

spousal, altruistic and paired/pooled

18
Q

principal of paired donation

A

two pairs where the donor matches the recipient of the other pair and vice versa

19
Q

principal of pooled donation

A

living donors who don’t match their intended recipient but match another

20
Q

long term, which has better survival rate, transplant or dialysis

21
Q

two types of acute rejection

A

T cell mediated and acute antibody mediated

22
Q

what is hyperacute rejection

A

rejection occuring within minutes of transplant, not so common

23
Q

how does T cell mediated rejection present

A

fever, swollen kidney, rapidly increasing creatinine

24
Q

histological signs of TCMR

A

lymphocytic infiltrate

25
histological signs of antibody mediated rejection
microvascular inflammation of glomeruli and peritubular capillaries with neutrophil infiltrate
26
antibody seen on stain in AMR
c4d
27
what endocrine disorder commonly is onset following transplant
type 2 diabetes
28
what is the most iomportant transplant related infection and how common is it
cytomegaolvirus - 8%
29
signs of chronic rejection
gradual rise in creatinine, proteinuria, resistant hypertension.
30
biopsy signs of chronic rejection
fibrosis, tubular atrophy and vascular changes
31
which type of rejection is not responsive to increasing immunesuppression
chronic
32
survival rates at 1 and 10 years
89% and 67%
33
which donor type has a higher survival at 10 years, living or cadaveric
living
34
how do human polyomaviruses cause cancer
they produce T antigens which bind to intracellular proteins and block tumour-suppressor proteins
35
examples of human polyomaviruses
JC and BK
36
risk factors for BK infection
intense immunosuppresion, older male white diabetic recipient, HLA mismatch
37
what factor is matched between donor and recipient
HLA (human leukocyte antigen)
38
7 contraindications of transplant
1. cancer 2. active infection 3. uncontrolled IHD 4. acquired immunodeficiency disease 5. active viral hepatitis 6. peripheral vascular disease 7. mental incapacity
39
which of these is increasing: a. patients of transplant waiting list b. transplants from living donors c. transplants from dead donors
c. transplants from dead donors
40
people live longest when given a transplant from: a. living related b. living unrelated c. dead
a/b. a living transplant has a greater survival than a cadaveric transplant
41
true/false living kidney donors are more susceptible to ESRD and have shortened life span
false - similar survival to GP and maybe even a lower rate of ESRD
42
effect of donating a kidney on GFR
GFR is reduced (because half the kidneys) but the remaining kidney can compensate to up to 70% of original GFR