Anatomical variants of the renal veins and their relationship with morphofunctional alterations of the kidney: a systematic review and meta-analysis of prevalence

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dc.contributor.authorValenzuela Fuenzalida, Juan José
dc.contributor.authorVera Tapia, Karla
dc.contributor.authorUrzúa Márquez, Camila
dc.contributor.authorYáñez Castillo, Javiera
dc.contributor.authorTrujillo Riveros, Martín
dc.contributor.authorKoscina, Zmilovan
dc.contributor.authorOrellana-Donoso, Mathias
dc.contributor.authorSuazo-Santibañez, Alejandra
dc.contributor.authorSanchis Gimeno, Juan
dc.contributor.authorBruna Mejias, Alejandro
dc.contributor.authorGutiérrez Espinoza, Héctor
dc.date.accessioned2025-03-12T12:22:49Z
dc.date.available2025-03-12T12:22:49Z
dc.date.issued2024-04-21
dc.description.abstractBackground: Variations in renal veins are quite common, and most people do not experience issues due to them. However, these variations are important for healthcare professionals, especially in surgical procedures and imaging studies, as precise knowledge of vascular anatomy is essential to avoid complications during medical interventions. The purpose of this study was to expose the frequency of anatomical variations in the renal vein (RV) and detail their relationship with the retroperitoneal and renal regions. Methods: A systematic search was conducted in the Medline, Scopus, Web of Science, Google Scholar, CINAHL, and LILACS databases from their inception until January 2024. Two authors independently carried out the search, study selection, and data extraction and assessed methodological quality using a quality assurance tool for anatomical studies (AQUA). Ultimately, consolidated prevalence was estimated using a random effects model. Results: In total, 91 studies meeting the eligibility criteria were identified. This study included 91 investigations with a total of 46,664 subjects; the meta-analysis encompassed 64 studies. The overall prevalence of multiple renal veins was 5%, with a confidence interval (CI) of 4% to 5%. The prevalence of the renal vein trajectory was 5%, with a CI of 4% to 5%. The prevalence of renal vein branching was 3%, with a CI of 0% to 6%. Lastly, the prevalence of unusual renal vein origin was 2%, with a CI of 1% to 4%. Conclusions: The analysis of these variants is crucial for both surgical clinical management and the treatment of patients with renal transplant and hemodialysis.
dc.identifier.citationJournal of Clinical Medicine, Vol 13, N°13, 3689 (2024) p. 1-31.
dc.identifier.doihttps://doi.org/10.3390/jcm13133689
dc.identifier.issne2077-0383
dc.identifier.orcidhttps://orcid.org/0000-0002-1781-062X
dc.identifier.urihttp://hdl.handle.net/20.500.12254/4061
dc.language.isoen
dc.publisherMDPI
dc.rightsAtribución-NoComercial-CompartirIgual 3.0 Chile (CC BY-NC-SA 3.0 CL)
dc.rights.urihttp://creativecommons.org/licenses/by-nc-sa/3.0/cl/
dc.subjectRenal vein
dc.subjectKidney failure
dc.subjectVariations renal veins
dc.subjectVascularization kidney
dc.subjectVariation anatomical
dc.subjectKidney surgery
dc.subjectKidney transplant
dc.titleAnatomical variants of the renal veins and their relationship with morphofunctional alterations of the kidney: a systematic review and meta-analysis of prevalence
dc.typeArticle
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