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Comparative Study
. 2019 Dec;244:146-152.
doi: 10.1016/j.jss.2019.06.037. Epub 2019 Jul 6.

Impact of Donor Diabetes on Outcomes of Lung Transplantation in the United States

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Comparative Study

Impact of Donor Diabetes on Outcomes of Lung Transplantation in the United States

Alexandra L Mardock et al. J Surg Res. .

Abstract

Background: Diabetes mellitus is among several factors considered when assessing the suitability of donated organs for transplantation. Lungs from diabetic donors (LDD) are not contraindicated for use as allografts, despite established evidence of diabetes-mediated parenchymal damage. The present study used a national database to assess the impact of donor diabetes on the longevity of lung transplant recipients.

Methods: This retrospective study of the United Network for Organ Sharing database analyzed all adult lung transplant recipients from June 2005 through September 2016. Donor and recipient demographics including the presence of diabetes were used to create a multivariable model. The primary outcome was 5-y mortality, with hazard ratios (HRs) assessed using multivariable Cox regression analysis. Survival curves were calculated using the Kaplan-Meier method.

Results: Of the 17,839 lung transplant recipients analyzed, 1203 (6.7%) received LDD. Recipients of LDD were more likely to be female (44.1% versus 40.2%, P < 0.01) and have mismatched race (47.5% versus 42.2%, P < 0.01). Diabetic donors were more likely to have hypertension (74.6% versus 19.0%, P < 0.01). Multivariable analysis revealed LDD to be an independent predictor of mortality at 5 y (HR 1.16 [1.04-1.29], P < 0.01). However, among the subgroup of diabetic recipients, transplantation of LDD showed no independent association with 5-y mortality (HR 0.81 [0.63-1.06], P = 0.12).

Conclusions: Recipients of LDD had a lower 5-y post lung transplantation survival compared with recipients of lungs from nondiabetic donors. LDD allografts did not influence the survival of diabetic recipients.

Keywords: Diabetes mellitus; Donor selection; Lung transplantation; Thoracic surgery.

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