{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,27]],"date-time":"2026-02-27T04:15:01Z","timestamp":1772165701026,"version":"3.50.1"},"reference-count":28,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2026,1,21]],"date-time":"2026-01-21T00:00:00Z","timestamp":1768953600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0"},{"start":{"date-parts":[[2026,2,13]],"date-time":"2026-02-13T00:00:00Z","timestamp":1770940800000},"content-version":"vor","delay-in-days":23,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["BMC Nephrol"],"DOI":"10.1186\/s12882-026-04763-x","type":"journal-article","created":{"date-parts":[[2026,1,21]],"date-time":"2026-01-21T15:54:08Z","timestamp":1769010848000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Survey of Spanish nephrologists\u2019 opinion on the applicability of Fried\u2019s geriatric frailty criteria in patients with end-stage renal disease"],"prefix":"10.1186","volume":"27","author":[{"given":"Mar\u00eda","family":"P\u00e9rez-Fern\u00e1ndez","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mara A.","family":"McAdams-DeMarco","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ana","family":"Alonso-Fuente","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Susana","family":"L\u00f3pez-Ongil","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fernando","family":"Tornero-Molina","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Diego","family":"Rodr\u00edguez-Puyol","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Patricia","family":"Mart\u00ednez-Miguel","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2026,1,21]]},"reference":[{"issue":"4","key":"4763_CR1","doi-asserted-by":"publisher","first-page":"315","DOI":"10.1093\/ageing\/26.4.315","volume":"26","author":"AJ Campbell","year":"1997","unstructured":"Campbell AJ, Buchner DM. Unstable disability and the fluctuations of frailty. Age Ageing. 1997;26(4):315\u20138.","journal-title":"Age Ageing"},{"key":"4763_CR2","doi-asserted-by":"crossref","unstructured":"Bortz WM 2. The physics of frailty. J Am Geriatr Soc. 1993;41(9):1004\u20138.","DOI":"10.1111\/j.1532-5415.1993.tb06769.x"},{"issue":"1","key":"4763_CR3","doi-asserted-by":"publisher","first-page":"1","DOI":"10.1016\/S0749-0690(18)30494-4","volume":"8","author":"DM Buchner","year":"1992","unstructured":"Buchner DM, Wagner EH. Preventing frail health. Clin Geriatr Med. 1992;8(1):1\u201317.","journal-title":"Clin Geriatr Med"},{"issue":"11","key":"4763_CR4","doi-asserted-by":"publisher","first-page":"945","DOI":"10.7326\/0003-4819-130-11-199906010-00022","volume":"130","author":"D Hamerman","year":"1999","unstructured":"Hamerman D. Toward an Understanding of frailty. Ann Intern Med. 1999;130(11):945\u201350.","journal-title":"Ann Intern Med"},{"issue":"3","key":"4763_CR5","doi-asserted-by":"publisher","first-page":"M146","DOI":"10.1093\/gerona\/56.3.M146","volume":"56","author":"LP Fried","year":"2001","unstructured":"Fried LP, Tangen CM, Walston J, Newman AB, Hirsch C, Gottdiener J, Seeman T, Tracy R, Kop WJ, Burke G, McBurnie MA, Cardiovascular Health Study Collaborative Research Group. Frailty in older adults: evidence for a phenotype. J Gerontol Biol Sci Med Sci. 2001;56(3):M146\u201356.","journal-title":"J Gerontol Biol Sci Med Sci"},{"key":"4763_CR6","unstructured":"Evans WJ. What is sarcopenia? J Gerontol Biol Sci Med Sci. 1995;50(Spec No):5\u20138."},{"issue":"5","key":"4763_CR7","doi-asserted-by":"publisher","first-page":"737","DOI":"10.1016\/j.clnu.2014.03.007","volume":"33","author":"G Biolo","year":"2014","unstructured":"Biolo G, Cederholm T, Muscaritoli M. Muscle contractile and metabolic dysfunction is a common feature of sarcopenia of ageing and chronic diseases: from sarcopenic obesity to cachexia. Clin Nutr. 2014;33(5):737\u201348.","journal-title":"Clin Nutr"},{"issue":"Jan\u2013Feb","key":"4763_CR8","doi-asserted-by":"publisher","first-page":"135","DOI":"10.1016\/j.archger.2016.10.007","volume":"68","author":"R Chowdhury","year":"2017","unstructured":"Chowdhury R, Peel NM, Krosch M, Hubbard RE. Frailty and chronic kidney disease: a systematic review. Arch Gerontol Geriatr. 2017;68(Jan\u2013Feb):135\u201342.","journal-title":"Arch Gerontol Geriatr"},{"issue":"1","key":"4763_CR9","doi-asserted-by":"publisher","first-page":"449","DOI":"10.1186\/s12877-023-04101-y","volume":"23","author":"AL Kennard","year":"2023","unstructured":"Kennard AL, Rainsford S, Glasgow NJ, Talaulikar GS. Use of frailty assessment instruments in nephrology populations: a scoping review. BMC Geriatr. 2023;23(1):449.","journal-title":"BMC Geriatr"},{"issue":"6","key":"4763_CR10","doi-asserted-by":"publisher","first-page":"896","DOI":"10.1111\/jgs.12266","volume":"61","author":"MA McAdams-DeMarco","year":"2013","unstructured":"McAdams-DeMarco MA, Law A, Salter ML, Boyarsky B, Gimenez L, Jaar BG, Walston JD, Segev DL. Frailty as a novel predictor of mortality and hospitalisation in individuals of all ages undergoing haemodialysis. J Am Geriatr Soc. 2013;61(6):896\u2013901.","journal-title":"J Am Geriatr Soc"},{"issue":"1","key":"4763_CR11","doi-asserted-by":"publisher","first-page":"115","DOI":"10.1007\/s11255-019-02310-2","volume":"52","author":"Y Zhao","year":"2020","unstructured":"Zhao Y, Liu Q, Ji J. The prevalence of frailty in patients on haemodialysis: a systematic review and meta-analysis. Int Urol Nephrol. 2020;52(1):115\u201320.","journal-title":"Int Urol Nephrol"},{"issue":"2","key":"4763_CR12","doi-asserted-by":"publisher","first-page":"381","DOI":"10.1681\/ASN.2013040431","volume":"25","author":"KL Johansen","year":"2014","unstructured":"Johansen KL, Dalrymple LS, Delgado C, Kaysen GA, Kornak J, Grimes B, Chertow GM. Association between body composition and frailty among prevalent haemodialysis patients: a US renal data system special study. J Am Soc Nephrol. 2014;25(2):381\u20139.","journal-title":"J Am Soc Nephrol"},{"key":"4763_CR13","doi-asserted-by":"publisher","first-page":"224","DOI":"10.1186\/1471-2369-14-224","volume":"14","author":"MA McAdams-DeMarco","year":"2013","unstructured":"McAdams-DeMarco MA, Suresh S, Law A, Salter ML, Gimenez LF, Jaar BG, Walston JD, Segev DL. Frailty and falls among adult patients undergoing chronic haemodialysis: a prospective cohort study. BMC Nephrol. 2013;14:224.","journal-title":"BMC Nephrol"},{"key":"4763_CR14","doi-asserted-by":"crossref","unstructured":"P\u00e9rez-S\u00e1ez MJ, Guti\u00e9rrez-Dalmau \u00c1, Moreso F, Rodr\u00edguez-Ma\u00f1as L, Pascual J. Frailty and kidney transplant candidates. Nephrology (Engl Ed). 2021 May-Jun;41(3):237\u201343.","DOI":"10.1016\/j.nefroe.2021.08.003"},{"issue":"2","key":"4763_CR15","doi-asserted-by":"publisher","first-page":"273","DOI":"10.1097\/TP.0000000000005093","volume":"109","author":"MJ P\u00e9rez-S\u00e1ez","year":"2025","unstructured":"P\u00e9rez-S\u00e1ez MJ, Pascual J. Unmet questions about frailty in kidney transplant candidates. Transplantation. 2025;109(2):273\u201384.","journal-title":"Transplantation"},{"issue":"1","key":"4763_CR16","doi-asserted-by":"publisher","first-page":"8","DOI":"10.1186\/s12882-017-0806-0","volume":"19","author":"S Van Pilsum Rasmussen","year":"2018","unstructured":"Van Pilsum Rasmussen S, Konel J, Warsame F, Ying H, Buta B, Haugen C, King E, DiBrito S, Varadhan R, Rodr\u00edguez-Ma\u00f1as L, Walston JD, Segev DL, McAdams-DeMarco MA. Engaging clinicians and patients to assess and improve frailty measurement in adults with end-stage renal disease. BMC Nephrol. 2018;19(1):8.","journal-title":"BMC Nephrol"},{"issue":"Supplement2","key":"4763_CR17","doi-asserted-by":"publisher","first-page":"ii43","DOI":"10.1093\/ndt\/gfae126","volume":"39","author":"IG Okpechi","year":"2024","unstructured":"Okpechi IG, Tummalapalli SL, Chothia MY, Sozio SM, Tungsanga S, Caskey FJ, Riaz P, Ameh OI, Arruebo S, Damster S, Donner JA, Jha V, Levin A, Nangaku M, Saad S, Tonelli M, Ye F, Bello AK, Johnson DW. A global assessment of kidney care workforce. Nephrol Dial Transpl. 2024;39(Supplement2):ii43\u20138.","journal-title":"Nephrol Dial Transpl"},{"key":"4763_CR18","unstructured":"Registro Espa\u00f1ol de Enfermos Renales. 4.9.4 - Organizaci\u00f3n Nacional de Trasplantes. https:\/\/www.ont.es\/informacion-a-los-profesionales-4\/registros-de-donacion-de-trasplantes-4-9\/registro-espanol-de-enfermos-renales-4-9-4\/. Accessed 26 December 2025."},{"issue":"10","key":"4763_CR19","doi-asserted-by":"publisher","first-page":"2332","DOI":"10.1093\/ndt\/14.10.2332","volume":"14","author":"F Berthoux","year":"1999","unstructured":"Berthoux F, Jones E, Gellert R, Mendel S, Saker L, Briggs D. Epidemiological data of treated end-stage renal failure in the European union (EU) during the year 1995: report of the European renal association registry and the National registries. Nephrol Dial Transpl. 1999;14(10):2332\u201342.","journal-title":"Nephrol Dial Transpl"},{"key":"4763_CR20","unstructured":"Global Observatory on Donation and Transplantation. https:\/\/www.transplant-observatory.org\/data-charts-and-tables\/. Accessed 26 December 2025."},{"issue":"5","key":"4763_CR21","doi-asserted-by":"publisher","first-page":"635","DOI":"10.1007\/s10522-010-9292-5","volume":"11","author":"RE Hubbard","year":"2010","unstructured":"Hubbard RE, Woodhouse KW. Frailty, inflammation and older people. Biogerontology. 2010;11(5):635\u201341.","journal-title":"Biogerontology"},{"issue":"5","key":"4763_CR22","doi-asserted-by":"publisher","first-page":"489","DOI":"10.1503\/cmaj.050051","volume":"173","author":"K Rockwood","year":"2005","unstructured":"Rockwood K, Song X, MacKnight C, Bergman H, Hogan DB, McDowell I, Mitnitski A. A global clinical measure of fitness and frailty in older adults. CMAJ. 2005;173(5):489\u201395.","journal-title":"CMAJ"},{"key":"4763_CR23","doi-asserted-by":"publisher","first-page":"11564","DOI":"10.3389\/ti.2023.11564","volume":"36","author":"C Annema","year":"2023","unstructured":"Annema C, De Smet S, Castle EM, Overloop Y, Klaase JM, Janaudis-Ferreira T, Mathur S, Kouidi E, Perez Saez MJ, Matthys C, Dobbels F, Ferrari P, Go\u0142\u0119biewska J, Mrzljak A, Girman P, Perch M, Lopez-Lopez V, White C, Koval D, Greenwood S, Monbaliu D. European society of organ transplantation (ESOT) consensus statement on prehabilitation for solid organ transplantation candidates. Transpl Int. 2023;36:11564.","journal-title":"Transpl Int"},{"issue":"2","key":"4763_CR24","doi-asserted-by":"publisher","first-page":"71","DOI":"10.1016\/j.jamda.2007.11.005","volume":"9","author":"G van Abellan","year":"2008","unstructured":"van Abellan G, Rolland YM, Morley JE, Vellas B. Frailty: toward a clinical definition. J Am Med Dir Assoc. 2008;9(2):71\u20132.","journal-title":"J Am Med Dir Assoc"},{"issue":"12","key":"4763_CR25","doi-asserted-by":"publisher","first-page":"2181","DOI":"10.2215\/CJN.01960215","volume":"10","author":"MA McAdams-DeMarco","year":"2015","unstructured":"McAdams-DeMarco MA, Tan J, Salter ML, Gross A, Meoni LA, Jaar BG, Kao WH, Parekh RS, Segev DL, Sozio SM. Frailty and cognitive function in incident haemodialysis patients. Clin J Am Soc Nephrol. 2015;10(12):2181\u20139.","journal-title":"Clin J Am Soc Nephrol"},{"issue":"5","key":"4763_CR26","doi-asserted-by":"publisher","first-page":"526","DOI":"10.1093\/ageing\/afl041","volume":"35","author":"DB Rolfson","year":"2006","unstructured":"Rolfson DB, Majumdar SR, Tsuyuki RT, Tahir A, Rockwood K. Validity and reliability of the Edmonton frail scale. Age Ageing. 2006;35(5):526\u20139.","journal-title":"Age Ageing"},{"key":"4763_CR27","doi-asserted-by":"publisher","first-page":"675049","DOI":"10.3389\/fmed.2021.675049","volume":"8","author":"MJ P\u00e9rez-S\u00e1ez","year":"2021","unstructured":"P\u00e9rez-S\u00e1ez MJ, Morgado-P\u00e9rez A, Faura A, Mu\u00f1oz-Redondo E, G\u00e1rriz M, Muns MD, Nogu\u00e9s X, Marco E, Pascual J. The FRAILMar study protocol: frailty in patients with advanced chronic kidney disease awaiting kidney Transplantation. A randomised clinical trial of multimodal prehabilitation. Front Med (Lausanne). 2021;8:675049.","journal-title":"Front Med (Lausanne)"},{"issue":"5","key":"4763_CR28","doi-asserted-by":"publisher","first-page":"634","DOI":"10.1053\/j.ajkd.2025.07.003","volume":"86","author":"MJ P\u00e9rez-S\u00e1ez","year":"2025","unstructured":"P\u00e9rez-S\u00e1ez MJ, Mu\u00f1oz-Redondo E, Morgado-P\u00e9rez A, Delcros-Forestier L, Bach A, Faura A, Redondo D, Chamoun B, Burballa C, Buxeda A, Crespo M, Marco E, Pascual J. FRAILMar study Group. Exercise-Based prehabilitation for kidney transplant candidates: the FRAILMar randomized controlled trial. Am J Kidney Dis. 2025;86(5):634\u201345.","journal-title":"Am J Kidney Dis"}],"container-title":["BMC Nephrology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/article\/10.1186\/s12882-026-04763-x","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1186\/s12882-026-04763-x.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1186\/s12882-026-04763-x.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,2,13]],"date-time":"2026-02-13T12:46:45Z","timestamp":1770986805000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1186\/s12882-026-04763-x"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,1,21]]},"references-count":28,"journal-issue":{"issue":"1","published-online":{"date-parts":[[2026,12]]}},"alternative-id":["4763"],"URL":"https:\/\/doi.org\/10.1186\/s12882-026-04763-x","relation":{"has-preprint":[{"id-type":"doi","id":"10.21203\/rs.3.rs-8011485\/v1","asserted-by":"object"}]},"ISSN":["1471-2369"],"issn-type":[{"value":"1471-2369","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,1,21]]},"assertion":[{"value":"2 November 2025","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"16 January 2026","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"21 January 2026","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"The survey did not include patient data, just doctors\u2019 opinions, it was completely anonymous, and informed consent was implicit in the heading of the own survey. For this reason, review by a research ethics committee was not requested as there were no relevant ethical issues to address, including those concerning data protection (Regulation EU 2016\/679 of the European Parliament and of the Council of 27 April 2016). This study adheres to the Declaration of Helsinki.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}},{"value":"Not applicable.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"The authors declare no competing interests.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"116"}}