{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,17]],"date-time":"2026-10-17T03:26:32Z","timestamp":1792207592970,"version":"4.4.0"},"reference-count":56,"publisher":"American Society of Hematology","issue":"19","content-domain":{"domain":["ashpublications.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2020,10,13]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>Multiple risk-assessment models (RAMs) for venous thromboembolism (VTE) in hospitalized medical patients have been developed. To inform the 2018 American Society of Hematology (ASH) guidelines on VTE, we conducted an overview of systematic reviews to identify and summarize evidence related to RAMs for VTE and bleeding in medical inpatients. We searched Epistemonikos, the Cochrane Database, Medline, and Embase from 2005 through June 2017 and then updated the search in January 2020 to identify systematic reviews that included RAMs for VTE and bleeding in medical inpatients. We conducted study selection, data abstraction and quality assessment (using the Risk of Bias in Systematic Reviews [ROBIS] tool) independently and in duplicate. We described the characteristics of the reviews and their included studies, and compared the identified RAMs using narrative synthesis. Of 15\u2009348 citations, we included 2 systematic reviews, of which 1 had low risk of bias. The reviews included 19 unique studies reporting on 15 RAMs. Seven of the RAMs were derived using individual patient data in which risk factors were included based on their predictive ability in a regression analysis. The other 8 RAMs were empirically developed using consensus approaches, risk factors identified from a literature review, and clinical expertise. The RAMs that have been externally validated include the Caprini, Geneva, IMPROVE, Kucher, and Padua RAMs. The Padua, Geneva, and Kucher RAMs have been evaluated in impact studies that reported an increase in appropriate VTE prophylaxis rates. Our findings informed the ASH guidelines. They also aim to guide health care practitioners in their decision-making processes regarding appropriate individual prophylactic management.<\/jats:p>","DOI":"10.1182\/bloodadvances.2020002482","type":"journal-article","created":{"date-parts":[[2020,10,13]],"date-time":"2020-10-13T19:57:11Z","timestamp":1602619031000},"page":"4929-4944","update-policy":"https:\/\/doi.org\/10.1182\/blood.2019cm0000","source":"Crossref","is-referenced-by-count":59,"title":["Risk-assessment models for VTE and bleeding in hospitalized medical patients: an overview of systematic reviews"],"prefix":"10.1182","volume":"4","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2498-1697","authenticated-orcid":false,"given":"Andrea J.","family":"Darzi","sequence":"first","affiliation":[{"name":"Department of Health Research Methods, Evidence, and Impact, Michael G. DeGroote Cochrane Canada, McMaster GRADE Centres, McMaster University, Hamilton, ON, Canada;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7513-532X","authenticated-orcid":false,"given":"Allen B.","family":"Repp","sequence":"additional","affiliation":[{"name":"Department of Medicine, Larner College of Medicine, University of Vermont, Burlington, VT;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Frederick A.","family":"Spencer","sequence":"additional","affiliation":[{"name":"Department of Medicine, McMaster University, Hamilton, ON, Canada;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2131-3711","authenticated-orcid":false,"given":"Rami Z.","family":"Morsi","sequence":"additional","affiliation":[{"name":"AUB GRADE Center, Clinical Research Institute, American University of Beirut, Beirut, Lebanon;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rana","family":"Charide","sequence":"additional","affiliation":[{"name":"AUB GRADE Center, Clinical Research Institute, American University of Beirut, Beirut, Lebanon;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Itziar","family":"Etxeandia-Ikobaltzeta","sequence":"additional","affiliation":[{"name":"Department of Health Research Methods, Evidence, and Impact, Michael G. 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