ReviewFrontiers in transplantation2026
Renal transplantation and variations in blood supply: a narrative review.
Review in Frontiers in transplantation, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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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.
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4 authors.
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Abstract
Introduction: Chronic kidney disease (CKD) has become a significant global health challenge as patients frequently progress to end-stage renal disease leading to kidney transplantation. Anatomical variations of the renal vascular structure may affect donor candidates, surgical management, and graft success, making it important to consider in transplantation. Although the use of anatomically complicated grafts is growing, differences in vascular pattern continue to impact clinical decision-making. Objective: To investigate the anatomical features of the renal vasculature and determine its clinical significance for kidney transplantation and their effect on surgical complexity and transplant outcomes. Methods: Narrative literature review was performed through PubMed, Scopus and Google Scholar. Articles were included if they were related to kidney vascular anatomy, imaging evaluation, surgical methods, and transplant results. Literature: Included in this review were historical and relevant secondary studies to offer a global perspective of the latest developments in renal transplantation practice. Results: A large body of studies have explored these renal vascular variations with up to 30% of people having at least two renal arteries, and venous variations such as retroaortic or circumaortic renal veins. These variations can lead to a more complex surgery and duration of operation, as well as a higher chance of development of early complications (delayed graft function or vascular thrombosis) due to ischemia-induced complications. Yet evidence is currently accumulating that, with sound preoperative imaging and surgical precision, the long-term prognosis of grafts and patient outcomes is similar to that of standard vascular anatomy graft. Developments in imaging modalities, especially computed tomography angiography, have greatly advanced both preoperative detection and surgical planning. Conclusion: Such renal vascular variations should not automatically preclude transplantation and should not be considered as an adverse event when donating or transplanting kidneys. Anatomically complex grafts can be successfully used, with careful preoperative assessment, multidisciplinary planning and modern surgical techniques. More standardized reporting and more recent studies are required to optimise donor utilisation and thereby optimize transplant success.
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