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Ultrasound Assessing Donor Kidney Quality in Deceased Donor Kidney Transplantation

S. Yun1, K. Lee1, S. Park2, J. Park1

1Surgery, Samsung Medical Center, Seoul, Korea, Republic of, 2Radiology and Center for Imaging Science, Samsung Medical Center, Seoul, Korea, Republic of

Meeting: 2022 American Transplant Congress

Abstract number: 732

Keywords: Donors, marginal, Graft survival, Kidney transplantation, Ultrasonography

Topic: Clinical Science » Kidney » 32 - Kidney Deceased Donor Selection

Session Information

Session Name: Kidney Deceased Donor Selection

Session Type: Poster Abstract

Date: Saturday, June 4, 2022

Session Time: 5:30pm-7:00pm

 Presentation Time: 5:30pm-7:00pm

Location: Hynes Halls C & D

*Purpose: We evaluated the role of functional kidney volume using donor kidney ultrasound (US) alone or in combination with other donor factors and parameters appropriate for kidney grafts in deceased donor kidney transplantation (DDKT)

*Methods: A total of 273 patients who underwent deceased donor kidney transplantation from 2000 to 2020 were enrolled after adjusting for exclusion criteria and donors were recruited only at the Samsung Medical Center. Estimated GFR was the laboratory value used to evaluate kidney function. To binarize each kidney US character, we selected an optimal cut-off value for eGFR less than 30 within 1 year after KT using Youden’s index among values with specificity above 60%. Cox regression analysis was performed for eGFR less than 30 within 1 year after KT and graft failure within 2 years after KT

*Results: We found all the US findings were risk factors for eGFR less than 30 within a year after KT. The odds ratios of renal length, cortical thickness, parenchymal thickness and the product of renal length and cortical thickness were 6.417cm (95% CI; 1.332-28.361, P = .020), 10.146cm (95% CI; 1.934-53.217, P = .006), 6.665cm (95% CI; 1.540-28.852, P = .011) and 14.700 (95% CI; 2.805-77.030, P = .001), respectively. Cortical thinning and decreased product of renal length and cortical thickness were risk factors for graft failure within 2 years after KT, with odds ratios 3.792 (95% CI; 1.006-14.295, P = .049) and 4.129 (95% CI; 1.119-15.236, P = .033), respectively

*Conclusions: Based on these results, US findings of donor kidney can be predictors of short-term prognosis after KT and used to facilitate deceased donor selection. However, US findings alone do not represent a gold standard, and are meaningful as a factor constituting extended criteria of DDKT.

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To cite this abstract in AMA style:

Yun S, Lee K, Park S, Park J. Ultrasound Assessing Donor Kidney Quality in Deceased Donor Kidney Transplantation [abstract]. Am J Transplant. 2022; 22 (suppl 3). https://atcmeetingabstracts.com/abstract/ultrasound-assessing-donor-kidney-quality-in-deceased-donor-kidney-transplantation/. Accessed May 25, 2025.

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