Abstract:
BACKGROUND:Infective endocarditis (IE) following percutaneous pulmonary valve replacement (PPVR) with the Melody valve is rarely reported. Furthermore, there are challenges in this diagnosis; especially echocardiographic evidence of vegetation within the prosthesis may be difficult. METHOD AND RESULT:This study is a retrospective review of all patients with Melody valve implantation in a tertiary centre. Between November 2006 and November 2012, 43 procedures were performed in 42 patients (mean age 25 years, 6-67 years). At a median follow-up of 27 months (2-66 months), six patients were suspected for IE. However, repeated transthoracic echocardiography (TTE) and transesophageal echocardiography (TEE) showed no evidence of IE and the patients were diagnosed as possible cases according to the modified Duke's criteria. Two patients did not respond to antibiotic treatment and underwent intra-cardiac echocardiography (ICE), which clearly demonstrated vegetations. These two cases required surgical explantation, while the other four patients were treated medically without complications. CONCLUSION:IE after Melody valve implantation is uncommon, but difficult to verify since TTE and TEE often cannot demonstrate vegetations inside the stent. ICE should be considered in suspected cases of IE following PPVR with negative TTE and TEE examinations in order to early tailor the best treatment for the individual patient suspected for IE.
journal_name
Int J Cardioljournal_title
International journal of cardiologyauthors
Cheung G,Vejlstrup N,Ihlemann N,Arnous S,Franzen O,Bundgaard H,Søndergaard Ldoi
10.1016/j.ijcard.2013.10.016subject
Has Abstractpub_date
2013-11-30 00:00:00pages
425-9issue
6eissn
0167-5273issn
1874-1754pii
S0167-5273(13)01830-5journal_volume
169pub_type
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