{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,26]],"date-time":"2026-09-26T12:58:31Z","timestamp":1790427511778,"version":"4.1.0"},"reference-count":12,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T00:00:00Z","timestamp":1790812800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T00:00:00Z","timestamp":1790812800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"content-domain":{"domain":["ajconline.org","clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["The American Journal of Cardiology"],"published-print":{"date-parts":[[2026,10]]},"DOI":"10.1016\/j.amjcard.2026.08.012","type":"journal-article","created":{"date-parts":[[2026,8,14]],"date-time":"2026-08-14T15:48:38Z","timestamp":1786722518000},"page":"155-156","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":0,"special_numbering":"C","title":["The Left Atrium in Heart Failure: When the Left Ventricle Faces a Stiff Competition"],"prefix":"10.1016","volume":"277","author":[{"given":"Aurelia","family":"Brescia","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9841-2737","authenticated-orcid":false,"given":"Victoria","family":"Delgado","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.amjcard.2026.08.012_bib12","doi-asserted-by":"crossref","first-page":"537","DOI":"10.1016\/j.echo.2025.03.011","article-title":"Recommendations for the evaluation of left ventricular diastolic function by echocardiography and for heart failure with preserved ejection fraction diagnosis: an update from the American Society of Echocardiography","volume":"38","author":"Nagueh","year":"2025","journal-title":"J Am Soc Echocardiogr"},{"key":"10.1016\/j.amjcard.2026.08.012_bib0001","doi-asserted-by":"crossref","first-page":"e007696","DOI":"10.1161\/CIRCIMAGING.118.007696","article-title":"Left atrial reservoir function and outcome in heart failure with reduced ejection fraction","volume":"11","author":"Carluccio","year":"2018","journal-title":"Circ Cardiovasc Imaging"},{"key":"10.1016\/j.amjcard.2026.08.012_bib0002","doi-asserted-by":"crossref","first-page":"1306","DOI":"10.1007\/s00392-023-02244-x","article-title":"Prognostic value of temporal patterns of left atrial reservoir strain in patients with heart failure with reduced ejection fraction","volume":"113","author":"Abou Kamar","year":"2024","journal-title":"Clin Res Cardiol"},{"key":"10.1016\/j.amjcard.2026.08.012_bib0003","doi-asserted-by":"crossref","first-page":"691","DOI":"10.1016\/j.jcmg.2022.10.011","article-title":"Left atrial strain for assessment of left ventricular diastolic function: focus on populations with normal LVEF","volume":"16","author":"Nagueh","year":"2023","journal-title":"JACC Cardiovasc Imaging"},{"key":"10.1016\/j.amjcard.2026.08.012_bib0004","doi-asserted-by":"crossref","first-page":"891","DOI":"10.1002\/ejhf.1464","article-title":"Left atrial strain and compliance in the diagnostic evaluation of heart failure with preserved ejection fraction","volume":"21","author":"Reddy","year":"2019","journal-title":"Eur J Heart Fail"},{"key":"10.1016\/j.amjcard.2026.08.012_bib0005","doi-asserted-by":"crossref","first-page":"435","DOI":"10.1016\/j.jcmg.2022.11.002","article-title":"Prognostic implications of left atrial stiffness index in heart failure patients with preserved ejection fraction","volume":"16","author":"Kim","year":"2023","journal-title":"JACC Cardiovasc Imaging"},{"key":"10.1016\/j.amjcard.2026.08.012_bib0006","doi-asserted-by":"crossref","first-page":"4","DOI":"10.1016\/j.amjcard.2026.07.017","article-title":"Association between left atrial stiffness index and clinical outcomes in chronic heart failure with impaired left ventricular systolic function","volume":"276","author":"Nakayama","year":"2026","journal-title":"Am J Cardiol"},{"key":"10.1016\/j.amjcard.2026.08.012_bib0007","doi-asserted-by":"crossref","first-page":"140","DOI":"10.1016\/j.amjcard.2017.03.243","article-title":"Effect of aging on left atrial compliance and electromechanical properties in subjects without structural heart disease","volume":"120","author":"Abou","year":"2017","journal-title":"Am J Cardiol"},{"key":"10.1016\/j.amjcard.2026.08.012_bib0008","doi-asserted-by":"crossref","first-page":"610","DOI":"10.1093\/ehjci\/jeaf010","article-title":"Prognostic value of left atrioventricular coupling index in heart failure","volume":"26","author":"Kasa","year":"2025","journal-title":"Eur Heart J Cardiovasc Imaging"},{"key":"10.1016\/j.amjcard.2026.08.012_bib0009","doi-asserted-by":"crossref","first-page":"30","DOI":"10.1016\/j.amjcard.2023.06.058","article-title":"Prognostic relevance of left ventricular global longitudinal strain in patients with heart failure and reduced ejection fraction","volume":"202","author":"Chimed","year":"2023","journal-title":"Am J Cardiol"},{"key":"10.1016\/j.amjcard.2026.08.012_bib0010","doi-asserted-by":"crossref","first-page":"65","DOI":"10.1016\/j.amjcard.2023.09.046","article-title":"Left atrial stiffness index as a predictor of effort intolerance and hemodynamics evaluated by invasive exercise stress testing in degenerative mitral regurgitation","volume":"208","author":"Takahari","year":"2023","journal-title":"Am J Cardiol"},{"key":"10.1016\/j.amjcard.2026.08.012_bib0011","doi-asserted-by":"crossref","first-page":"100903","DOI":"10.1016\/j.jacadv.2024.100903","article-title":"Association of left atrial stiffness with risk of cryptogenic ischemic stroke in young adults","volume":"3","author":"Sindre","year":"2024","journal-title":"JACC Adv"}],"container-title":["The American Journal of Cardiology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0002914926005151?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0002914926005151?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2026,9,26]],"date-time":"2026-09-26T12:15:59Z","timestamp":1790424959000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0002914926005151"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,10]]},"references-count":12,"alternative-id":["S0002914926005151"],"URL":"https:\/\/doi.org\/10.1016\/j.amjcard.2026.08.012","relation":{},"ISSN":["0002-9149"],"issn-type":[{"value":"0002-9149","type":"print"}],"subject":[],"published":{"date-parts":[[2026,10]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"The Left Atrium in Heart Failure: When the Left Ventricle Faces a Stiff Competition","name":"articletitle","label":"Article Title"},{"value":"The American Journal of Cardiology","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.amjcard.2026.08.012","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"simple-article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2026 Elsevier Inc. All rights are reserved, including those for text and data mining, AI training, and similar technologies.","name":"copyright","label":"Copyright"}]}}