Albuminuria as a risk factor for mild cognitive impairment and dementia—what is the evidence?
Author:
Bikbov Boris1ORCID, Soler Maria José2ORCID, Pešić Vesna3, Capasso Giovambattista45, Unwin Robert6ORCID, Endres Matthias7, Remuzzi Giuseppe1, Perico Norberto1, Gansevoort Ron8, Mattace-Raso Francesco9, Bruchfeld Annette10ORCID, Figurek Andreja11, Hafez Gaye12ORCID, Capasso Giovambattista, Andrade Alexandre, Bachmann Maie, Bumblyte Inga, Covic Adrian Constantin, Delgado Pilar, Endlich Nicole, Engvig Andreas, Fouque Denis, Franssen Casper, Frische Sebastian, Garneata Liliana, Gesualdo Loreto, Giannakou Konstantinos, Goumenos Dimitrios, Kartal Ayşe Tuğba, Mani Laila-Yasmin, Marti Hans-Peter, Mayer Christopher, Nielsen Rikke, Pešić Vesna, Rroji Molla Merita, Sakkas Giorgos, Spasovski Goce, Stevens Kate, Vazelov Evgueniy, Viggiano Davide, Zacharia Lefteris, Ferreira Ana Carina, Malyszko Jolanta, Hoorn Ewout, Figurek Andreja, Unwin Robert, Wagner Carsten, Wanner Christoph, Bruchfeld Annette, Pepin Marion, Wiecek Andrzej, Nitsch Dorothea, Fridolin Ivo, Hafez Gaye, Romeo Maria José Soler, Barbieri Michelangela, Batinić Bojan, Carrasco Laura, Carriazo Sol, Gansevoort Ron, Martino Gianvito, Raso Francesco Mattace, Nistor Ionut, Ortiz Alberto, Paolisso Giuseppe, Rastenytė Daiva, Stefan Gabriel, Tedeschi Gioacchino, Massy Ziad, Bikbov Boris, Endlich Karl Hans, Godefroy Olivier, Chillon Jean-Marc, Kossioni Anastassia, Kurganaite Justina, Perico Norberto, Remuzzi Giuseppe, Grodzicki Tomasz, Trepiccione Francesco, Zoccali Carmine, Arici Mustafa, Blankestijn Peter, Eckardt Kai-Uwe, Fliser Danilo, Jiménez Eugenio Gutiérrez, Konig Maximilian, Rychlik Ivan, Deleidi Michela, Reusz George,
Affiliation:
1. Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Bergamo, Italy 2. Division of Nephrology Autonomous University of Barcelona, Hospital Universitari Vall d’Hebron, Barcelona, Spain 3. Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia 4. Department Translational Medical Sciences, Univ. Campania “L. Vanvitelli”, Naples, Italy 5. BIOGEM, Insititute Molecular Biology and Genetics, Ariano Irpino, Italy 6. Department of Renal Medicine, University College London, London, UK 7. Klinik und Hochschulambulanz für Neurologie, Charité-Universitätsmedizin Berlin, Berlin, Germany 8. Department of Internal Medicine, University Medical Center Groningen, Groningen, The Netherlands 9. Department of Internal Medicine, Erasmus MC University Medical Center, Rotterdam, The Netherlands 10. Unit of Renal Medicine, Linköping and Karolinska University Hospital, Stockholm, Sweden 11. Institute of Anatomy, University of Zurich, Zurich, Switzerland 12. Department of Pharmacology, Faculty of Pharmacy, Altinbas University, Istanbul, Turkey
Abstract
ABSTRACT
Kidney dysfunction can profoundly influence many organ systems, and recent evidence suggests a potential role for increased albuminuria in the development of mild cognitive impairment (MCI) or dementia. Epidemiological studies conducted in different populations have demonstrated that the presence of increased albuminuria is associated with a higher relative risk of MCI or dementia both in cross-sectional analyses and in studies with long-term follow-up. The underlying pathophysiological mechanisms of albuminuria’s effect are as yet insufficiently studied, with several important knowledge gaps still present in a complex relationship with other MCI and dementia risk factors. Both the kidney and the brain have microvascular similarities that make them sensitive to endothelial dysfunction involving different mechanisms, including oxidative stress and inflammation. The exact substrate of MCI and dementia is still under investigation, however available experimental data indicate that elevated albuminuria and low glomerular filtration rate are associated with significant neuroanatomical declines in hippocampal function and grey matter volume. Thus, albuminuria may be critical in the development of cognitive impairment and its progression to dementia. In this review, we summarize the available evidence on albuminuria’s link to MCI and dementia, point to existing gaps in our knowledge and suggest actions to overcome them. The major question of whether interventions that target increased albuminuria could prevent cognitive decline remains unanswered. Our recommendations for future research are aimed at helping to plan clinical trials and to solve the complex conundrum outlined in this review, with the ultimate goal of improving the lives of patients with chronic kidney disease.
Funder
COST Action CA19127-Cognitive Decline in Nephro-Neurology: European Cooperative Target
Publisher
Oxford University Press (OUP)
Subject
Transplantation,Nephrology
Cited by
11 articles.
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