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The main aim of this study was to evaluate the prevalence of sarcopenia and quantify the functional capacity of older sarcopenic and non-sarcopenic patients participating in iCR.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Prospective, observational cohort study within the framework of the ongoing multicenter prehabilitation study \u201cPRECOVERY\u201d. A sample of 122 patients \u226575\u2009years undergoing iCR after cardiac procedure were recruited in four German iCR facilities and followed up 3 months later by telephone. At iCR (baseline), the Strength, Assistance with walking, Rise from a chair, Climb stairs and Falls (SARC-F) questionnaire was used to identify sarcopenic patients. In addition, Katz-Index, Clinical Frailty Scale (CFS), handgrip strength (HGS), Short Physical Performance Battery (SPPB) and 6-minute walk distance (6MWD) measured functional capacity and frailty at baseline. Outcomes were prevalence of sarcopenia and the correlation of sarcopenia to functional capacity and frailty at baseline as well as the SARC-F score at follow-up. The Wilcoxon test was applied for pre-post-test analysis. Correlation between sarcopenia and 6MWD, SPPB score and HGS was tested with the eta coefficient with one-way ANOVA.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Complete assessments were collected from 101 patients (79.9\u2009\u00b1\u20094.0\u2009years; 63% male). At baseline, the mean SARC-F score was 2.7\u2009\u00b1\u20092.1; 35% with sarcopenia. Other baseline results were Katz-Index 5.7\u2009\u00b1\u20090.9, CFS 3.2\u2009\u00b1\u20091.4, HGS 24.9\u2009\u00b1\u20099.9\u2009kg, SPPB score 7.5\u2009\u00b1\u20093.3 and 6MWD 288.8\u2009\u00b1\u2009136.5\u2009m. Compared to baseline, fewer patients were sarcopenic (23% versus 35%) at follow-up. In the subgroup of sarcopenic patients at baseline (<jats:italic>n<\/jats:italic>\u2009=\u200935), pre-post comparison resulted in a significant SARC-F improvement (<jats:italic>p<\/jats:italic>\u2009=\u20090.017). There was a significant correlation between sarcopenia measured by SARC-F and poor results in the assessments of functional capacity (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001; r\u2009&gt;\u20090.546).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The prevalence of sarcopenia in older patients at iCR after cardiac procedure is high (35%) and remains high at follow-up (23%). Sarcopenia screening is important since the diagnosis of sarcopenia in these patients correlates significantly with poor functional capacity. The results indicate that these patients may benefit from prehabilitation aimed at improving perioperative outcomes, increasing functional capacity and mitigating adverse effects.<\/jats:p><\/jats:sec><jats:sec><jats:title>Trial registration<\/jats:title><jats:p>German Clinical Trials Register (DRKS;<jats:ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"http:\/\/www.drks.de\">http:\/\/www.drks.de<\/jats:ext-link>; DRKS00032256). Retrospectively registered on 13 July 2023.<\/jats:p><\/jats:sec>","DOI":"10.1186\/s12877-024-04694-y","type":"journal-article","created":{"date-parts":[[2024,1,24]],"date-time":"2024-01-24T16:02:33Z","timestamp":1706112153000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["The prevalence and impact of sarcopenia in older cardiac patients undergoing inpatient cardiac rehabilitation \u2013 results from a prospective, observational cohort pre-study"],"prefix":"10.1186","volume":"24","author":[{"given":"Carolin","family":"Steinmetz","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Laura","family":"Krause","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Samra","family":"Sulejmanovic","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sabrina","family":"Kaumk\u00f6tter","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thomas","family":"Mengden","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Clemens","family":"Grefe","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ernst","family":"Knoglinger","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nils","family":"Reiss","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Klara","family":"Brixius","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Birna","family":"Bjarnason-Wehrens","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thomas","family":"Schmidt","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stephan","family":"von Haehling","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Monika","family":"Sadlonova","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christine A. 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All participants signed informed consent forms.","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":"CAFvA received honoraria from serving on the scientific advisory board of Biogen, Roche, Novo Nordisk and Dr. Willmar Schwabe GmbH & Co. KG and has received funding for travel as well as speaker honoraria from Biogen, Roche diagnostics AG, Medical Tribune Verlagsgesellschaft mbH, Landesvereinigung f\u00fcr Gesundheit und Akademie f\u00fcr Sozialmedizin Niedersachsen e. V. and Dr. Willmar Schwabe GmbH & Co. KG. CAFvA has received research support from Roche diagnostics AG and research funding from the Innovationsfond (Fund of the Federal Joint Committee, Gemeinsamer Bundesausschuss, G-BA Grants No. VF1_2016\u2013201; 01NVF21010; 01VSF21019). The other authors declare that they have no competing interests.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"94"}}