{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,7]],"date-time":"2026-02-07T13:35:37Z","timestamp":1770471337105,"version":"3.49.0"},"reference-count":29,"publisher":"Oxford University Press (OUP)","issue":"2","license":[{"start":{"date-parts":[[2024,12,16]],"date-time":"2024-12-16T00:00:00Z","timestamp":1734307200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"French Heart Foundation"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2025,3,18]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>Aims<\/jats:title>\n                  <jats:p>While few traditional scores are available for risk stratification of patients hospitalized for acute heart failure (AHF), the potential benefit of machine learning (ML) is not well established. We aimed to assess the feasibility and accuracy of a supervised ML model including environmental factors to predict in-hospital major adverse events (MAEs) in patients hospitalized for AHF.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Methods and results<\/jats:title>\n                  <jats:p>In April 2021, a French national prospective multicentre study included all consecutive patients hospitalized in intensive cardiac care unit. Patients admitted for AHF were included in the analyses. A ML model involving automated feature selection by least absolute shrinkage and selection operator (LASSO) and model building with a random forest (RF) algorithm was developed. The primary composite outcome was in-hospital MAE defined by death, resuscitated cardiac arrest, or cardiogenic shock requiring assistance. Among 459 patients included (age 68 \u00b1 14 years, 68% male), 47 experienced in-hospital MAE (10.2%). Seven variables were selected by LASSO for predicting MAE in the training data set (n = 322): mean arterial pressure, ischaemic aetiology, sub-aortic velocity time integral, E\/e\u2032, tricuspid annular plane systolic excursion, recreational drug use, and exhaled carbon monoxide level. The RF model showed the best performance compared with other evaluated models [area under the receiver operating curve (AUROC) = 0.82, 95% confidence interval (CI) (0.78\u20130.86); precision-recall area under the curve = 0.48, 95% CI (0.42\u20130.5), F1 score = 0.56). Our ML model exhibited a higher AUROC compared with an existing score for the prediction of MAE (AUROC for our ML model: 0.82 vs. ACUTE HF score: 0.57; P &amp;lt; 0.001).<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusion<\/jats:title>\n                  <jats:p>Our ML model including in particular environmental variables exhibited a better performance than traditional statistical methods to predict in-hospital outcomes in patients admitted for AHF.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Study registration<\/jats:title>\n                  <jats:p>ClinicalTrials.gov identifier: NCT05063097.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/ehjdh\/ztae094","type":"journal-article","created":{"date-parts":[[2024,12,16]],"date-time":"2024-12-16T04:07:31Z","timestamp":1734322051000},"page":"190-199","source":"Crossref","is-referenced-by-count":1,"title":["Supervised machine learning including environmental factors to predict in-hospital outcomes in acute heart failure patients"],"prefix":"10.1093","volume":"6","author":[{"ORCID":"https:\/\/orcid.org\/0009-0001-8156-5200","authenticated-orcid":false,"given":"Benjamin","family":"Sibilia","sequence":"first","affiliation":[{"name":"Service de Cardiologie, Universit\u00e9 Paris Cit\u00e9, H\u00f4pital Lariboisi\u00e8re, Assistance Publique-H\u00f4pitaux de Paris , 2 rue Ambroise Par\u00e9, Paris 75010 ,","place":["France"]},{"name":"Inserm MASCOT\u2014UMRS 942, University Hospital of Lariboisiere , 2 rue Ambroise Par\u00e9, Paris 75010 ,","place":["France"]},{"name":"MIRACL.ai Laboratory, Multimodality Imaging for Research and Analysis Core Laboratory and Artificial Intelligence, University Hospital of Lariboisiere (AP-HP) , 2 rue Ambroise Par\u00e9, Paris 75010 ,","place":["France"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Solenn","family":"Toupin","sequence":"additional","affiliation":[{"name":"Service de Cardiologie, Universit\u00e9 Paris Cit\u00e9, H\u00f4pital Lariboisi\u00e8re, Assistance Publique-H\u00f4pitaux de Paris , 2 rue Ambroise Par\u00e9, Paris 75010 ,","place":["France"]},{"name":"Inserm MASCOT\u2014UMRS 942, University Hospital of Lariboisiere , 2 rue Ambroise Par\u00e9, Paris 75010 ,","place":["France"]},{"name":"MIRACL.ai Laboratory, Multimodality Imaging for Research and Analysis Core Laboratory and Artificial Intelligence, University Hospital of Lariboisiere (AP-HP) , 2 rue Ambroise Par\u00e9, Paris 75010 ,","place":["France"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nabil","family":"Bouali","sequence":"additional","affiliation":[{"name":"Department of Cardiology, University Hospital of Poitiers , Poitiers 86000 ,","place":["France"]},{"name":"Service de Cardiologie, Centre Hospitalier de Saintonge , 11, Boulevard Ambroise-Par\u00e9, Saintes 17100 ,","place":["France"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jean-Baptiste","family":"Brette","sequence":"additional","affiliation":[{"name":"Cardiology Department, Rangueil University Hospital , Toulouse ,","place":["France"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Arthur","family":"Ramonatxo","sequence":"additional","affiliation":[{"name":"Department of Cardiology, University Hospital of Poitiers , Poitiers 86000 ,","place":["France"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Guillaume","family":"Schurtz","sequence":"additional","affiliation":[{"name":"Department of Cardiology, University Hospital of Lille , Lille ,","place":["France"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kenza","family":"Hamzi","sequence":"additional","affiliation":[{"name":"Service de Cardiologie, Universit\u00e9 Paris Cit\u00e9, H\u00f4pital Lariboisi\u00e8re, Assistance Publique-H\u00f4pitaux de Paris , 2 rue Ambroise Par\u00e9, Paris 75010 ,","place":["France"]},{"name":"Inserm MASCOT\u2014UMRS 942, University Hospital of Lariboisiere , 2 rue Ambroise Par\u00e9, Paris 75010 ,","place":["France"]},{"name":"MIRACL.ai Laboratory, Multimodality Imaging for Research and Analysis Core Laboratory and Artificial Intelligence, University Hospital of Lariboisiere (AP-HP) , 2 rue Ambroise Par\u00e9, Paris 75010 ,","place":["France"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Antonin","family":"Trimaille","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Medicine, Nouvel H\u00f4pital Civil, Strasbourg University Hospital , Strasbourg 67000 ,","place":["France"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Emmanuel","family":"Gall","sequence":"additional","affiliation":[{"name":"Service de Cardiologie, Universit\u00e9 Paris Cit\u00e9, H\u00f4pital Lariboisi\u00e8re, Assistance Publique-H\u00f4pitaux de Paris , 2 rue Ambroise Par\u00e9, Paris 75010 ,","place":["France"]},{"name":"Inserm MASCOT\u2014UMRS 942, University Hospital of Lariboisiere , 2 rue Ambroise Par\u00e9, Paris 75010 ,","place":["France"]},{"name":"MIRACL.ai Laboratory, Multimodality Imaging for Research and Analysis Core Laboratory and Artificial Intelligence, University Hospital of Lariboisiere (AP-HP) , 2 rue Ambroise Par\u00e9, Paris 75010 ,","place":["France"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3020-6758","authenticated-orcid":false,"given":"Nicolas","family":"Piliero","sequence":"additional","affiliation":[{"name":"Service de Cardiologie, Univ. 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