Cited by 201Renal Transplantation Outcomes and TreatmentsOrgan Donation and TransplantationTransplantation: Methods and Outcomes

Recipient obesity and outcomes after kidney transplantation: a systematic review and meta-analysis

Hill, Christopher J., Courtney, Aisling E., Cardwell, Christopher R., Maxwell, Alexander P., Lucarelli, Giuseppe, Veroux, Massimiliano, Furriel, Frederico, Cannon, Robert M. +3 more·2015·Nephrology Dialysis Transplantation

Abstract

BACKGROUND: The prevalence of obesity is increasing globally and is associated with chronic kidney disease and premature mortality. However, the impact of recipient obesity on kidney transplant outcomes remains unclear. This study aimed to investigate the association between recipient obesity and mortality, death-censored graft loss and delayed graft function (DGF) following kidney transplantation. METHODS: A systematic review and meta-analysis was conducted using Medline, Embase and the Cochrane Library. Observational studies or randomized controlled trials investigating the association between recipient obesity at transplantation and mortality, death-censored graft loss and DGF were included. Obesity was defined as a body mass index (BMI) of ≥30 kg/m(2). Obese recipients were compared with those with a normal BMI (18.5-24.9 kg/m(2)). Pooled estimates of hazard ratios (HRs) for patient mortality or death-censored graft loss and odds ratios (ORs) for DGF were calculated. RESULTS: Seventeen studies including 138 081 patients were analysed. After adjustment, there was no significant difference in mortality risk in obese recipients [HR = 1.24, 95% confidence interval (CI) = 0.90-1.70, studies = 5, n = 83 416]. However, obesity was associated with an increased risk of death-censored graft loss (HR = 1.06, 95% CI = 1.01-1.12, studies = 5, n = 83 416) and an increased likelihood of DGF (OR = 1.68, 95% CI = 1.39-2.03, studies = 4, n = 28 847). CONCLUSIONS: Despite having a much higher likelihood of DGF, obese transplant recipients have only a slightly increased risk of graft loss and experience similar survival to recipients with normal BMI.

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  1. Stroup DF, Berlin JA, Morton SC et al. Meta-analysis of observational stud- ies in epidemiology: a proposal for reporting. Meta-analysis of Observa- tional Studies in Epidemiology (MOOSE) group. JAMA 2000; 283: 2008-2012

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Authors
Hill, C. J., Courtney, A. E., Cardwell, C. R., Maxwell, A. P., Lucarelli, G., Veroux, M., Furriel, F., Cannon, R. M., Hoogeveen, E. K., Doshi, M., & McCaughan, J. A.
Affiliations
  • Belfast City Hospital (GB)
  • University of Bari Aldo Moro (IT)
  • University of Catania (IT)
  • Unidade Local de Saúde de Coimbra (PT)
  • University of Louisville (US)
  • Leiden University Medical Center (NL)
  • Wayne State University (US)
Corresponding author
Hill, Christopher J.
Venue
Nephrology Dialysis Transplantation
Published
2015-06-04
Volume
30
Issue
8
Pages
1403-1411
ISSN
  • 0931-0509 (ISSN-L)
  • 1460-2385
OpenAlex
W2188967216
Cited by
201
References
57
Citations by year
2026: 11 · 2025: 13 · 2024: 15 · 2023: 21 · 2022: 22 · 2021: 32 · 2020: 20 · 2019: 25 · 2018: 10 · 2017: 12 · 2016: 16 · 2015: 3
FWCI
2.95
Type
journal article
Language
en
Open access
closed
Locations
  • Nephrology Dialysis Transplantation (publishedVersion)
  • PubMed (publishedVersion)
  • Research Portal (Queen's University Belfast) (submittedVersion)
  • CINECA IRIS Institutional Research Information System (University of Bari Aldo Moro) (submittedVersion)
Funders
  • Kidney Research UK (TF20/2012)
  • Public Health Agency (STL/3714/07)
Topics
  • Health Sciences › Medicine › Transplantation › Renal Transplantation Outcomes and Treatments
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Organ Donation and Transplantation
  • Health Sciences › Medicine › Surgery › Transplantation: Methods and Outcomes
Keywords
kidney transplantation, graft loss, delayed graft function, post-transplant mortality, body mass index, transplant outcomes
MeSH terms
Graft Survival, Humans, Kidney Failure, Chronic, Obesity, Risk Factors, Body Mass Index, Survival Rate, Kidney Transplantation, Treatment Outcome, Delayed Graft Function, Transplant Recipients

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