Impact of recipient and donor smoking in living-donor kidney transplantation: a prospective multicenter cohort study
- Authors
- Jung, Hee-Yeon; Jeon, Yena; Huh, Kyu Ha; Park, Jae Berm; Jung, Cheol Woong; Lee, Sik; Han, Seungyeup; Ro, Han; Yang, Jaeseok; Ahn, Curie; Cho, Jang-Hee; Park, Sun-Hee; Kim, Yong-Lim; Kim, Chan-Duck
- Issue Date
- Dec-2021
- Publisher
- WILEY
- Keywords
- graft survival; kidney transplantation; living donors; smoking; transplant recipient
- Citation
- Transplant International, v.34, no.12, pp.2794 - 2802
- Journal Title
- Transplant International
- Volume
- 34
- Number
- 12
- Start Page
- 2794
- End Page
- 2802
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/83163
- DOI
- 10.1111/tri.14137
- ISSN
- 0934-0874
- Abstract
- The smoking status of kidney transplant recipients and living donors has not been explored concurrently in a prospective study, and the synergistic adverse impact on outcomes remains uncertain. The self-reported smoking status and frequency were obtained from recipients and donors at the time of kidney transplantation in a prospective multicenter longitudinal cohort study (NCT02042963). Smoking status was categorized as “ever smoker” (current and former smokers collectively) or “never smoker.” Among 858 eligible kidney transplant recipients and the 858 living donors, 389 (45.3%) and 241 (28.1%) recipients were considered ever smokers at the time of transplant. During the median follow-up period of 6 years, the rate of death-censored graft failure was significantly higher in ever-smoker recipients than in never-smoker recipients (adjusted HR, 2.82; 95% CI 1.01–7.87; P = 0.048). A smoking history of >20 pack-years was associated with a significantly higher rate of death-censored graft failure than a history of ≤20 pack-years (adjusted HR, 2.83; 95% CI 1.19–6.78; P = 0.019). No donor smoking effect was found in terms of graft survival. The smoking status of the recipients and donors or both did not affect the rate of biopsy-proven acute rejection, major adverse cardiac events, all-cause mortality, or post-transplant diabetes mellitus. Taken together, the recipient’s smoking status before kidney transplantation is dose-dependently associated with impaired survival. © 2021 Steunstichting ESOT. Published by John Wiley & Sons Ltd
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