Evidence map›Paper›PMID 41057791›Full record

Observational studyBMC nephrology2025

Higher daily protein intake was a protective factor for graft function of kidney transplant recipients in the early post-transplant period: a retrospective cohort study.

Bin-Qi Yang, Yuan Liu, Jia-Ming Feng, Shu-Meng Hu, Ye Tao, Yun-Ying Shi

Abstract readObservational Study
In one paragraph

Observational study in BMC nephrology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Bin-Qi YangDepartment of Nephrology, Kidney Research Institute, West China Hospital of Sichuan University, No. 37, Guoxue Xiang, Wuhou District, Chengdu, 610041, China.ORCID 0009-0000-0759-1366
Yuan LiuDepartment of Clinical Nutrition, West China Hospital, Sichuan University, Chengdu, China.
Jia-Ming FengWest China School of Medicine, West China Hospital, Sichuan University, Chengdu, China.
Shu-Meng HuDepartment of Renal Transplantation, Hospital of Nephrology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.
Ye TaoDepartment of Nephrology, Kidney Research Institute, West China Hospital of Sichuan University, No. 37, Guoxue Xiang, Wuhou District, Chengdu, 610041, China.
Yun-Ying ShiDepartment of Nephrology, Kidney Research Institute, West China Hospital of Sichuan University, No. 37, Guoxue Xiang, Wuhou District, Chengdu, 610041, China. shiyunying@wchscu.cn.ORCID 0000-0002-4544-5439

Funding

1·3·5 Project for Disciplines of Excellence Clinical Research Incubation Project, West China Hospital, Sichuan University 21HXFH016National Natural Science Foundation of China 81771714
6 · The paper itself

Abstract

backgroundThe use of immunosuppressants and glucocorticoids after transplantation will affect the recipients' metabolism and aggravate their malnutrition. Adequate daily protein intake in the early post-transplant period facilitates the rapid recovery of surgical wounds. This study aimed to explore the relationship between daily protein intake and graft function in the early post-transplant period, which may provide a basis for clinical nutritional management of kidney transplant recipients.

methodsThis is a retrospective observational study. 176 kidney transplant recipients who underwent kidney transplant in West China Hospital from December 2021 to June 2022 were included. 24-hour urine urea nitrogen data were collected at 1 month and 3 months post-transplant to calculate daily protein intake. These KTRs were further divided into two groups according to the recommended daily protein intake for KTRs by KDOQI Clinical Practice Guideline for Nutrition in CKD, namely High group (with DPI ≥ 1.4 g/kg·d, n = 66) and Low group (with DPI < 1.4 g/kg·d, n = 110). Laboratory data and post-transplant adverse events within 3 months were recorded. Linear regressions were used to analyze the relationship between DPI and early post-transplant recovery as well as graft function.

resultsRecipients were divided into High and Low protein intake groups according to their daily protein intake 3 months after transplantation. The estimated glomerular filtration rate measured at three months post-transplant was significantly greater in the High protein intake group compared to the Low protein intake group (67.32 mL/min per 1.73 m

conclusionsIn the early post-transplant period, increased daily protein intake was linked to improved kidney graft function, lipid metabolism, and hemoglobin levels. Higher protein intake during this early post-transplant phase independently contributed to protecting graft function after kidney transplantation. Long-term protein intake regimens should be customized based on kidney function evaluated one year after the transplantation. CLINICAL TRIAL REGISTRY NUMBER: ChiCTR2500099186. (Registration Date 2025.03.19) Clinical Trial Registry ( http://www.chictr.org.cn/ ).

Indexed as

Dietary ProteinsKidney TransplantationAdultFemaleGraft SurvivalHumansMaleMiddle AgedRetrospective StudiesDietary ProteinsDaily protein intakeEarly post-transplant periodGraft functionKidney transplant

Identifiers

PMID41057791
PMCPMC12505705

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.