Kidney function, cardiovascular outcomes and survival of living kidney donors with hypertension: a systematic review protocol
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Published on: February 21, 2016
Ann Bugeja1, Mariam Eldaba2, Sumaiya Ahmed2
1Division of Nephrology, Department of Medicine, The Ottawa Hospital, University of Ottawa, Kidney Research Centre, and Ottawa Hospital Research Institute, Ottawa, Ontario, Canada abugeja@toh.ca.
Insights
This systematic review examines the safety of living kidney donation in individuals with hypertension. It aims to clarify risks to donor cardiovascular and kidney health, informing future clinical guidelines.
Area of Science:
- Nephrology
- Cardiology
- Transplantation Science
Background:
- Historically, hypertension was a contraindication for living kidney donation.
- Living kidney donation is crucial for managing kidney failure, leading to increased acceptance of donors with hypertension.
- The long-term cardiovascular and renal safety for hypertensive living kidney donors remains uncertain.
Purpose of the Study:
- To systematically review and synthesize existing literature on the safety of living kidney donation in hypertensive individuals.
- To assess the cardiovascular and kidney health outcomes for living kidney donors with hypertension.
Main Methods:
- A systematic review of prospective randomized, non-randomized, and retrospective studies.
- Literature search of MEDLINE, EMBASE, Cochrane CENTRAL, and EBM reviews (1946-2021).
- Assessment of donor survival, major adverse cardiovascular events, estimated glomerular filtration rate, and end-stage kidney failure.
Main Results:
- Data extraction and study screening by two independent reviewers.
- Risk of Bias in Non-Randomised studies tool will be used for bias assessment.
- Meta-analysis will be performed on eligible studies.
Conclusions:
- Findings will be disseminated in a peer-reviewed, open-access journal.
- Results will inform clinical guidelines for evaluating and following up living kidney donor candidates.
- This review addresses critical knowledge gaps in living kidney donation practices.
Introduction:
Hypertension has been considered a contraindication for living kidney donation in the past. Since transplantation from living kidney donors remains the best modality for kidney failure, there is now an increased acceptance of living kidney donors with hypertension. However, the safety of this practice for the cardiovascular and kidney health of the donor is unclear. We will conduct a systematic review to summarise and synthesise the existing literature on this topic.
Methods And Analysis:
A systematic review of prospective randomised and non-randomised and retrospective studies will be conducted. MEDLINE, EMBASE, Cochrane CENTRAL and EBM reviews published from January 1946 to December 2021 will be reviewed. Primary outcome will be the difference in the survival, major adverse cardiovascular events, estimated glomerular filtration rate of 45 mL/min or less and development of end-stage kidney failure, between living kidney donors with and without hypertension. Study screening, selection, and data extraction will be performed by two independent reviewers. Studies must fulfil all eligibility criteria for inclusion into the systematic review and meta-analysis. The Risk of Bias in Non-Randomised studies tool will be used to assess bias.
Ethics And Dissemination:
No ethical approval is required for this systematic review. The results of this review will be disseminated in a peer-reviewed, open-access journal to ensure access to all stakeholders in kidney transplantation and to inform clinical guidelines on the evaluation and follow-up care of living kidney donor candidates.
Prospero Registration Number:
CRD42022300119.
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