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Living Donor Kidney Transplant. What does the evidence say about outcome ? Professor Peter J Conlon.

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Presentation on theme: "Living Donor Kidney Transplant. What does the evidence say about outcome ? Professor Peter J Conlon."— Presentation transcript:

1 Living Donor Kidney Transplant. What does the evidence say about outcome ? Professor Peter J Conlon

2 Renal Transplantation at Beaumont Hospital 1964 to 2012 (YTD Nov 2012)

3 National Growth in Treated ESRD 2007 - 2011

4 European Kidney Transplant activity - 2012

5 European Live Donor Kidney Transplant activity - 2012

6 Dialysis numbers do not need to continue rising !! Annual Growth in ESRD 40 pmp Transplant activity of 250 TX would equate to 55 pmp

7 Financial impact of expanded transplant activity Net savings of €248 million over 10 years

8 © 2008 Lippincott Williams & Wilkins, Inc. Published by Lippincott Williams & Wilkins, Inc.5 Outcome of Identical twin Transplants 1988-2004 Renal Transplantation in Identical Twins in United States and United Kingdom. Kessaris, Nicos; Mukherjee, Dayal; Chandak, Pankaj; Mamode, Nizam Transplantation. 86(11):1572-1577, December 15, 2008. DOI: 10.1097/TP.0b013e31818bd83d FIGURE 1. Kaplan-Meier curve showing graft survival in the US group (based on OPTN data as of November 10, 2006).

9 Kaplan–Meier survival curves for three groups of RRT patients: those transplanted with a living ‐ related kidney donor (LD), those transplanted with a cadaveric kidney, and those remaining on dialysis. Medin C et al. Nephrol. Dial. Transplant. 2000;15:701-704 © European Renal Association-European Dialysis and Transplant Association 58 76 92

10 Adjusted all-cause mortality in the ESRD & general populations, by age, 2011 Figure 5.2 (Volume 2) Prevalent ESRD patients from day one, 2011, & general Medicare (non-ESRD) patients with at least one month of Medicare eligibility in 2011. Adj: gender/race; ref: Medicare patients, 2011.

11 Adjusted all-cause mortality rates in the ESRD & general populations, by age & gender, 2011 Figure 5.5 (Volume 2) January 1, 2011 point prevalent ESRD & general Medicare patients age 65 & older. Adj: age/gender/race/ comorbidity; ref: ESRD patients, 2011.

12 Adjusted all-cause mortality rates (from day 1 and day 90), by modality & year of treatment Figure 5.1 (Volume 2) Incident ESRD patients. Adj: age/gender/race /primary diagnosis; ref: incident ESRD patients, 2010.

13 Annual Death Rates and Total Numbers of Deaths, 1991–1997. Wolfe RA et al. N Engl J Med 1999;341:1725-1730.

14 Years of life benefit by having a transplant Additional Years 16 3

15 Projected years of life from WL: by age group Projected years of life WL dialysis Transplant 40 20 0 20–3940–5960–74 Age group Wolfe RA, et al. N Engl J Med 1999;341:1725

16 Average relative risk of death after renal transplantation in the time periods 0 to 30 d, 31 to 365 d, and greater than 365 d. RABBAT C G et al. JASN 2000;11:917-922 ©2000 by American Society of Nephrology

17 Expected remaining lifetimes (years) of the general U.S. population, & of prevalent dialysis & transplant patients Table 5.a (Volume 2) U.S. data: calculated from Table 7 in the U.S. life tables (Arias E). ESRD data: prevalent dialysis & transplant patients, 2011. Expected remaining lifetimes by race & gender can be found in Reference Table H.13. Prevalent ESRD population 2011, used as weight to calculate overall combined-age remaining lifetimes.

18 Years of life remaining the benefit of Living donor

19 Beaumont Outcomes Graft Survival Year of transplant No. at risk on day 0 One year graft survival Two year graft survival Five year graft survival Ten year graft survival 1999 – 2001 2002 – 2004 2005 – 2007 2008 - 2011 276 301 300 446 90 (85 - 93) 97 (94 - 98) 98 (94 - 98) 97 (95 - 99) 89 (84 - 92) 97 (94 - 98) 98 (95 - 99) 84 (79 - 88) 90 (85 - 93) 95 (92 - 97) 73 (67 - 78)

20 Patient Survival Year of transplant No. at risk on day 0 One year survival Two year survival Five year survival Ten year survival 1999 – 2001 2002 – 2004 2005 – 2007 2008 - 2011 276 301 300 446 94 (91 - 97) 98 (95 - 99) 98 (96 - 99) 98 (97 - 99) 92 (88 - 95) 96 (93 - 98) 97 (95 - 99) 87 (83 - 91) 91 (87 - 94) 78 (72 - 82)

21 Patient survival 1985-2011

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23 % graft survival Impact of donor type on 68% 30%

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25 Deceased V Living Donor Outcome Graft

26 Deceased V Living Donor Patient Survival

27 Graft Failure Deceased V living Donor

28 Long term Patient Mortality Deceased V living Donor

29 Proportion of prevalent ESRD patients on Tx waiting list

30 Referral for pre-emptive transplant by centre

31 Proportion of Living donor Tx per centre

32 Mean Time on Tx waiting list --------------------------------------------------------------------------------

33 Time on Dialysis prior to Transplantation -------------------------------------------------------------------------- ------ Referring | centre median 25 th centile 75 th centile maximum number ----------+--------------------------------------------------------------------- TSH | 16.13 67.42 13 TULL | 39.72 14.32 0.00 36.21 104.25 22 OLH | 16.33 0.00 30.46 87.89 14 BH | 22.57 10.05 37.03 221.67 145 WAT | 27.27 12.91 42.22 95.77 66 TAL | 27.47 15.24 46.92 136.08 97 SVH | 29.82 16.10 42.87 119.98 62 CBAR | 29.91 10.92 64.13 100.34 12 MAT | 29.93 19.81 40.87 93.47 34 GAL | 30.82 14.75 40.38 137.72 57 CORK | 36.01 16.92 52.14 168.11 97 LIM | 36.47 24.34 54.74 82.10 42 SLI | 38.44 31.31 49.15 54.34 115.35 15 LET | 41.59 19.61 61.67 89.86 15 CAV | 42.83 27.84 61.42 87.82 16 | Total | 29.67 14.85 46.46 221.67 707 --------------------------------------------------------------------------------

34 The Benefit of avoiding dialysis altogether

35 Methods 27,253 cadaveric kidney pairs 2,405 kidney pairs Analysis Kaplan-Meier Cox regression Covariates: recipient demographics, HLA matching, dialysis time, cause of ESRD, immunosuppressive regimen and era Kidney pairs First transplants Single organ transplant Adult recipients All pairs of whom one kidney went to a six antigen matched recipient were excluded 2,405 dialysis <6 months2,405 dialysis >24 months

36 Baseline characteristics PRA = panel reactive antibody; AA = African American Meier-Kriesche HU, et al. Transplantation (In press)

37 Graft survival as determined by dialysis time over 10 yr. Davis C L, Delmonico F L JASN 2005;16:2098-2110 ©2005 by American Society of Nephrology

38 Figure 2. Relationship between preemptive transplantation and outcomes among recipients of living donor kidney transplants. Kasiske B L et al. JASN 2002;13:1358-1364 ©2002 by American Society of Nephrology

39 Time on dialysis No. at risk on day 0 One year graft survival Two year graft survival Five year graft survival Ten year graft survival 0 – 1 year 1 – 3 years > 3 years 289 467 182 92 (88 - 94) 92 (89 - 94) 81 (75 - 86) 90 (85 - 93) 90 (87 - 92) 79 (72 - 84) 82 (77 - 86) 84 (80 - 87) 72 (65 - 78) 68 (62 - 73) 72 (67 - 76) 60 (50 - 68) Beaumont experience Death Censored graft survival

40 Year of transplant No. at risk on day 0 One year graft survival Two year graft survival Five year graft survival Ten year graft survival 0 – 1 year 1 – 3 years > 3 years 289 467 182 99 (96 – 99) 97 (95 - 98) 88 (82 - 92) 97 (94 - 98) 96 (93 - 97) 82 (75 - 87) 93 (89 - 95) 89 (86 - 92) 62 (54 - 69) 85 (80 - 89) 79 (75 - 82) 43 (36 - 50) Patient Survival

41 Benefit of Renal Transplantation in at Risk Sub Groups

42 The problems of immunological barriers What is the best option ? Remain on dialysis Deceased donor Tx Desensitised Living donor Tx Paired kidney exchange Which approach is Best ??

43

44 Survival Benefit of Desensitization in HLA-Incompatible Kidney Recipients. Montgomery RA et al. N Engl J Med 2011;365:318-326. 52% 70 82%

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47 Standard living donor 92% Standard deceased Donor 82% HLA I 89% ABO i 84%

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49 Benefit of Renal Transplantation in at Risk Sub Groups

50 Renal Transplantation in Obesity Options for Obese recipient Remain on DialysisLoose weightProceed to Transplant without weight loss Largely impossible

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53 The Survival Benefit of Kidney Transplantation in Obese Patients American Journal of Transplantation Volume 13, Issue 8, pages 2083-2090, 25 JUL 2013 DOI: 10.1111/ajt.12331 http://onlinelibrary.wiley.com/doi/10.1111/ajt.12331/full#ajt12331-fig-0001 Volume 13, Issue 8, http://onlinelibrary.wiley.com/doi/10.1111/ajt.12331/full#ajt12331-fig-0001 Immediate benefit in these groups Days to equal survival

54 Low risk Intermediate Risk High Risk If the they had two or

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56 Survival Benefit of Transplantation

57 Where a willing an acceptable Living donor is available Living donor transplantation is almost always preferable to deceased in terms of long term recipient survival


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