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When there are contraindications to treatment with oral anticoagulants, another therapeutic option to reduce the possibility of thrombus formation in the LAA is the implantation of an occlusion device by cardiac catheterization. The effectiveness of LAA occlusion is dependent on accurate preprocedural device sizing and proper device positioning at the LAA ostium, to ensure sufficient device anchoring and avoid peri-device leaks. Additive manufacturing, commonly known as three-dimensional printing (3DP), of LAA models is beginning to emerge in the scientific literature to address these challenges through procedural simulation. This review aims at clarifying the impact of 3DP on preprocedural planning of LAA occlusion, specifically in the training of cardiac surgeons and in the assessment of the perfect adjustment between the LAA and the biomedical implant.<\/jats:p>","DOI":"10.1089\/3dp.2022.0373","type":"journal-article","created":{"date-parts":[[2023,6,15]],"date-time":"2023-06-15T11:28:35Z","timestamp":1686828515000},"page":"333-346","source":"Crossref","is-referenced-by-count":4,"title":["Preprocedural Planning of Left Atrial Appendage Occlusion: A Review of the Use of Additive Manufacturing"],"prefix":"10.1177","volume":"11","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8285-1332","authenticated-orcid":false,"given":"Sara","family":"Valvez","sequence":"first","affiliation":[{"name":"Department of Mechanical Engineering, CEMMPRE, ARISE, University of Coimbra, Coimbra, Portugal."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Manuel","family":"Oliveira-Santos","sequence":"additional","affiliation":[{"name":"CBR, Faculty of Medicine, University of Coimbra, Coimbra, Portugal."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lino","family":"Gon\u00e7alves","sequence":"additional","affiliation":[{"name":"CBR, Faculty of Medicine, University of Coimbra, Coimbra, Portugal."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ana M.","family":"Amaro","sequence":"additional","affiliation":[{"name":"Department of Mechanical Engineering, CEMMPRE, ARISE, University of Coimbra, Coimbra, Portugal."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1588-0640","authenticated-orcid":false,"given":"Ana P.","family":"Piedade","sequence":"additional","affiliation":[{"name":"Department of Mechanical Engineering, CEMMPRE, ARISE, University of Coimbra, Coimbra, Portugal."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2024,2,15]]},"reference":[{"key":"e_1_3_5_2_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jscai.2022.100405"},{"key":"e_1_3_5_3_2","doi-asserted-by":"publisher","DOI":"10.1001\/jama.2012.339"},{"key":"e_1_3_5_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(14)60648-6"},{"key":"e_1_3_5_5_2","doi-asserted-by":"publisher","DOI":"10.1136\/hrt.2003.021642"},{"key":"e_1_3_5_6_2","doi-asserted-by":"publisher","DOI":"10.1136\/hrt.82.5.547"},{"key":"e_1_3_5_7_2","doi-asserted-by":"publisher","DOI":"10.14503\/THIJ-18-6693"},{"key":"e_1_3_5_8_2","doi-asserted-by":"publisher","DOI":"10.3390\/jcm10091959"},{"key":"e_1_3_5_9_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijcard.2022.03.042"},{"key":"e_1_3_5_10_2","unstructured":"Asmarats L Rod\u00e9s-Cabau J. 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