- Nephrology
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The Association of Preoperative Body Mass Index with Acute Kidney Injury in Liver Transplantation Recipients: A Retrospective Study
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Ju Yeon Park, Jung-Hyun Park, Su Sung Lee, Hyun-Su Ri, Hye-jin Kim, Yun Mi Choi, Yoon Ji Choi, Ji-Uk Yoon
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Korean J Crit Care Med. 2017;32(3):265-274. Published online August 31, 2017
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DOI: https://doi.org/10.4266/kjccm.2017.00178
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- Background
Liver transplantation (LT) is a complicated procedure with a high incidence of postoperative acute kidney injury (AKI). Previous studies indicate that even transient or mild post-LT AKI can result in critical conditions, including prolonged stays in hospitals and intensive care units and increased morbidity and mortality. The aim of this study was to investigate the association between body mass index (BMI) and occurrence of AKI in LT recipients. Methods: Medical data from 203 patients who received LT surgery from January 2010 to August 2016 in a single university hospital setting were retrospectively collected and analyzed. Patients were classified as either underweight (BMI <20 kg/m2) or normal weight (20 ≤ BMI < 30 kg/m2). Demographic data, anesthetic methods, complications, and perioperative laboratory test values of each patient were assessed. Propensity analyses and logistic regression were performed to evaluate the association between BMI and post-LT AKI. Results: There was no significant difference in occurrence of post-LT AKI between underweight and normal weight patients. The underweight patient group had significantly longer hospital stay compared with the normal weight patient group (P = 0.023). Conclusions: BMI classification was neither a positive nor negative predictor of postoperative AKI occurrence. However, patients with lower BMI had significantly longer hospital stay compared with their counterparts. Although our study was limited by its retrospective design, our observations suggest that lower BMI might play a role in post-LT AKI.
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Citations
Citations to this article as recorded by  - Association of Body Mass Index and Acute Kidney Injury Incidence and Outcome: A Systematic Review and Meta-Analysis
Jiarong Lan, Guangxing Xu, Yongfu Zhu, Congze Lin, Ziyou Yan, Sisi Shao
Journal of Renal Nutrition.2023; 33(3): 397. CrossRef - Association of overweight with postoperative acute kidney injury among patients receiving orthotopic liver transplantation: an observational cohort study
Jian Zhou, Lin Lyu, Lin Zhu, Yongxin Liang, He Dong, Haichen Chu
BMC Nephrology.2020;[Epub] CrossRef
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