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The patient was treated with intravenous antibiotics followed by open heart surgery in order to remove this mass as well as the pacing device, including all three pacing leads. Histology and culture of the retrieved mass confirmed a sterile thrombus with no features to suggest an infected mass (vegetation). The patient made an uncomplicated recovery and there were no long-term sequelae on follow-up during the 2\u2005years after the event.<\/jats:p>","DOI":"10.1136\/bcr-2015-210314","type":"journal-article","created":{"date-parts":[[2015,7,7]],"date-time":"2015-07-07T04:09:03Z","timestamp":1436242143000},"page":"bcr2015210314","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":9,"title":["Pacemaker lead-associated thrombosis in cardiac resynchronisation therapy"],"prefix":"10.1136","volume":"2015","author":[{"given":"Jesmar","family":"Buttigieg","sequence":"first","affiliation":[{"name":"Department of Medicine, Mater Dei Hospital, Malta, Msida, Malta"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rachelle","family":"Asciak","sequence":"additional","affiliation":[{"name":"Mater Dei Hospital, Msida, Malta"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Charles","family":"Mallia 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