Type 2 & other diabetes

Impact of Type 2 Diabetes on the Outcomes of Solid Organ Transplantations in the U.S.: Data From a National Registry

Diabetes CarePublished Retrospective registry-based cohort study

Authors' conclusion

The prevalence of T2D in solid organ transplantation candidates is increasing. In all solid organ transplantations, pretransplantation T2D was independently associated with higher posttransplantation mortality, most profoundly in kidney transplantations.

Study context

Population
Adults aged ≥18 years who received a lung, heart, liver or kidney transplant in the U.S., 2006–2021
Participants
462,692 solid organ transplant recipients
Exposure
Pretransplantation T2D vs no T2D
Outcome
Posttransplantation mortality
Methodological detailsnational registry, Scientific Registry of Transplant Recipients 2006–2021
  • National registry
  • Scientific Registry of Transplant Recipients 2006–2021

Main finding

As reported in the abstract

Posttransplantation mortality, adjusted
Each group vs without T2DEstimate (95% CI)P value
T2D
aHR (lung) 1.08(1.03–1.13)
P < 0.01
T2D
aHR (heart) 1.26(1.20–1.32)
P < 0.01
T2D
aHR (liver) 1.25(1.21–1.28)
P < 0.01
T2D
aHR (kidney) 1.65(1.62–1.68)
P < 0.01

Observational data: associations, not effects.

Further findings

OutcomeP value
Posttransplantation mortality, lungP < 0.01
Posttransplantation mortality, heartP < 0.0001
Posttransplantation mortality, liverP < 0.0001
Posttransplantation mortality, kidneyP < 0.0001
Posttransplantation mortality, lung — 3 years, T2D vs without
32.1% vs. 29.3%
Posttransplantation mortality, lung — 5 years, T2D vs without
46.4% vs. 42.6%
Posttransplantation mortality, heart — 1 year, T2D vs without
11.2% vs. 9.1%
Posttransplantation mortality, heart — 5 years, T2D vs without
24.4% vs. 20.6%
Posttransplantation mortality, liver — 1 year, T2D vs without
10.6% vs. 8.9%
Posttransplantation mortality, liver — 5 years, T2D vs without
26.2% vs. 22.0%
Posttransplantation mortality, kidney — 1 year, T2D vs without
5.3% vs. 2.5%
Posttransplantation mortality, kidney — 5 years, T2D vs without
20.8% vs. 10.1%

Prevalence of pretransplantation T2D

Lung
15%
Heart
26%
Liver
25%
Kidney
30%
Trend
increasing over time

Original publication

Impact of Type 2 Diabetes on the Outcomes of Solid Organ Transplantations in the U.S.: Data From a National Registry. Diabetes Care. Published 25 September 2023. doi:10.2337/dc23-1085

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